Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 68\1\        Box Selection

IdentifierEntry
scan0001 Requesting modifications to the steering nuts and cages on Sports Phantom cars to resolve an issue at full lock.
View original record To RHC. from Hs/Rm. +8430 Hs/Rnl/LG6.1.28. STEERING - EAC.14. +8430 +877+ Will you please arrange to machine .100" off the ends of the steering nuts of the Sports Phantom cars. Also the latest…

scan0002 Production difficulties in obtaining a free steering due to issues with the .900 lead large diameter nut and worm.
View original record 78430 To R. from Hs. c. to BJ. Wor. c. to E. DA. c. to BY. Hs1/LG13.1.28. .900 LEAD LARGE DIAMETER NUT. This item has not been forgotten. Our trouble so far is that we cannot obtain a free steering.…

scan0003 The difficulty with a larger experimental worm of .900 pitch steering component.
View original record Hs. BY DA/HDY. c. to BJ. Wor. R7/M1 7.1.28. DIFFICULTY WITH LARGER EXPERIMENTAL X. 8430 WORM OF .900 PITCH. X. 7430 I cannot understand why this should be so, because the angle of the worm threads is…

scan0004 Requesting steering adjustments for the 8-EX car.
View original record To RHC. from Hs/Rm. Handwritten: X8430 Hs/Rml/LG18.1.28. 8-EX STEERING. Handwritten: X8430 (crossed out) Handwritten: X8425 (crossed out) Will you please arrange for the pivots on this car to be set…

scan0005 Requesting an alteration to the steering of Geoffrey Summers' car by fitting a shorter pendulum lever.
View original record To Hm. from Hs/Rm. Handwritten: X8430 Hs/Rm2/LG23.1.28. Geoffrey Summers Car. Handwritten: X4117 (crossed out) X8430 We have an alteration we should like to try on the above car. This consists of…

scan0006 Engine torque reaction and vibration testing with a modified rubber block engine mounting.
View original record L8430 Hs/Rm/LG25.1.28. LG34 +8005 TORQUE REACTION. Condition of car as in Hs/Rm/LG24.1.28. Rubber block fitted to dash and torque taken through this, slight improvement noticeable but not very marked.…

scan0007 Letter to a customer regarding the fitting of a shorter pendulum lever to improve steering and reduce road shocks.
View original record X8430 Expl: Dept: Hs/Rm3/LG. 27th. Jan. 1928. Geoffrey Summers Esq., Hadlow Wood, Willaston, Nr. Birkenhead. Y4117 Dear Mr. Summers, Very many thanks for your letter which I have shewn to a number of…

scan0008 Confirming the delivery of experimental car 10-EX, noting its steering column and parts for 'pick up' vibration.
View original record +8430 To C. from Hs/Rn: Hs/Rn7/LG1.2.28. +8774 This is to confirm our telephonic conversation this afternoon that 10-EX will be at Bruton Street at noon tomorrow Thursday the 2nd. inst. The steering…

scan0009 Recommending production of a shortened nut for the Phantom steering system following successful testing.
View original record To BY. from Hs/Rm. c. to Wor. Mx. V8430 Hs/Rm3/LG3. 2. 28. SHORTENED NUT ON PHANTOM STEERING TO GIVE CLEARANCE ON FULL LOCK. X8430 We have now run one of these shortened nuts a considerable distance…

scan0010 Proposal to modify the pendulum lever by repositioning the ball pin to the outside.
View original record DA. from Hs./Rm. H8430 Hs/Rm4/LG6.2.28. SHORTER PENDULUM LEVER. H8430 In fitting shorter pendulum levers we find that we can get a nice straight side steering tube in side elevation and a straighter…

scan0011 Tests on a 9.5' pendulum lever for steering.
View original record To R. from Hs./Rm. c. to BJ. Wor. c. to DA? BY. c. to OY. Hn. Y x8430 Hs. absent. Hs/Rm2/LG9.2.28 9.5" PENDULUM LEVER. We have been continuing tests with the 9.5" pendulum lever on a heavy closed…

scan0012 Modifications to the Phantom steering, specifically a shortened pendulum lever and side steering tube.
View original record X8430 To BY. from Hs/Rm. Hs/Rm2/LG14.2.28. PHANTOM STEERING. X8430 (crossed out) X8450 R. is pushing the shortened pendulum lever as you will see from RL/M10.2.28. We are also pushing it for…

scan0013 Instructions for fitting a shortened pendulum lever to a Phantom chassis.
View original record X8430 BY/HEB18/M.16.2.28. PHANTOM CHASSIS. STEERING COLUMN & BOX SEC:7050. SIDE STEERING TUBE - SEC:7070. FRONT AXLE - SEC:7040. FITTING SHORTENED PENDULUM LEVER(9.500") Herewith please receive one…

scan0014 Driving position for the Continental Phantom, recommending adjustable steering options for owner drivers.
View original record To R. from Hs/Rn. c. to BJ. Wor. c. to E. DA. c. to BY. OY. Hs/Rml/LG18.2.28. CONTINENTAL PHANTOM - DRIVING POSITION. We consider that it is of primary importance that the Continental Phantom should…

scan0015 Technical letter discussing steering issues, frame twist, and high-speed wobbling on experimental car models.
View original record 78430 Expl: Dept: Messrs. Rolls-Royce Ltd., Derby. England. 78940L Hs/Rm2/LG20.2.28. Mr. Hancock from Hs/Rm. With reference to your reports re. the steering of 15-EX. As the steering is substantially…

scan0016 Modifications to steering and suspension to improve handling and cure bumping.
View original record contd :- -2- This you can easily do by putting packing washers behind the cross steering tube springs. We believe it should improve the steering considerably. It may make it heavy for shunting but we…

scan0017 Instructions for fitting a shortened pendulum lever to the steering system of an experimental chassis.
View original record RHC c. Hs/Rm. X8430 BY/HEB7/M.22.2.28. E.A.C. 14. CHASSIS. STEERING COLUMN & BOX SEC:7050. SIDE STEERING TUBE - SEC:7070. FITTING SHORTENED PENDULUM LEVER (9.500") Further to our BY/HEB18/M.16.2.28,…

scan0018 Scheme for fitting a 9.5' shortened pendulum lever to old type Phantom models.
View original record To B.Y. from Hs/Rm. H8430 Hs/Rm5/LG23. 2. 28. SHORTENED PENDULUM LEVER. X8430 F8430 We have now schemes for fitting the 9.5" pendulum lever on the standard and sports Phantom. We are very anxious to…

scan0019 Steadiness and optimal length of the Phantom Sports steering column.
View original record DA. Hs. from R. c. to BJ. Wor. BY. E. x8430 R1/M1.3.28. PHANTOM SPORTS STEERING COLUMN. X. 8430 X. 7430 x7380 I noticed that the steering column was not as steady on this car as on my car at Le…

scan0020 Sizing and positioning of the Phantom steering wheel for driver ergonomics.
View original record DA/EV. Hs. from R 48430 c. to BJ. Wor. PN. c. to C. CWB. SG. R3/M5.3.28. PHANTOM STEERING WHEEL. X. 7430 STANDARD, SPORTS & SUPERSPORTS. X. 3430 X. 3861 Personally I like our standard of 16", but 15"…

scan0021 Instructions for fitting a shorter pendulum lever to Phantom Chassis 117-MC.
View original record X8430 BY/HEBE/M.8.3.28. PHANTOM CHASSIS 117-MC. of 416 STEERING COLUMN AND BOX SECTION 7050. SIDE STEERING TUBE - SECTION 7070. FITTING SHORTER PENDULUM LEVER. Herewith please receive one Blue Print…

scan0022 Fitting of a shorter pendulum lever and part updates for Phantom Chassis 117-MC.
View original record c. He/Rm. K8430 BY/HEB6/M.10.3.28. PHANTOM CHASSIS 117-MC. STEERING COLUMN & BOX SEC:7050. SIDE STEERING TUBE - SEC:7070. FITTING SHORTER PENDULUM LEVER. Further to our memo' BY/HEB5/M.8.3.28, whereby…

scan0023 Response to a part failure, proposing an increase in column diameter and assessing the safety of stretching near a brazed joint.
View original record X8430 H8980 To Pt. from Hs/Rm. Hs/Rml/LG10.3.28. With reference to Pt6/FM11.1.28. This is a trouble we have never had on a 10,000 miles test car, you must have bumped very hard. However it will not…

scan0024 Steering system tests, specifically a larger diameter worm and nut, and recommendations for future design.
View original record To OY. from Hs/Rn. 48430 Hs/Rn4/LG14.3.28. STEERING. We have been running the larger diameter worm and nut and the 900 lead. Although our tests have not been sufficiently extended to pass a considered…

scan0025 Technical memorandum discussing steering system designs, ratios, and performance comparisons with a Buick.
View original record contd :- -2- are not really very much worse. To back this theory up we have the fact that changing over from the 1125 steering to the 720 really did not help us a great deal with regard to steering…

scan0026 Continued discussion on irreversibility and efficiency related to 'joggles' and 'parking', including a table of typical measurements.
View original record contd :- -3- In Hs/Rm2/LG19.7.27 we shewed the unfortunate state of affairds where μ for joggles is so very low that irreversibility does not count. For parking μ is high so irreversibility does count…

scan0027 Requesting the setup of two friction pivot schemes on experimental cars 10-EX and 12-EX.
View original record X8430 To RHC. from Hs/Rm. Hs/Rm3/LG16.3.28. We shall want to run two sets of the friction in the pivots scheme (N.sch.2296 Sch.2.) one on 12-EX and one on 10-EX. We have asked BY. to instruct the…

scan0028 Modifications to the steering system for the 12-EX model.
View original record X7430 To By. from Hs/Rm. STEERING. X7430 R. has given us such glowing accounts of the steering on his car that we wish to reproduce it as far as possible on 12-EX. Will you therefore please instruct…

scan0029 Steering modifications and parts fitted to car 117-MC for Mr. Geoffrey Summers.
View original record To Hm. from Hts/Rm. +8x30 Hs/Rm2/LG16.3.28 117-MC - GEOFFREY SUMMERS. X417 F8x30 We give below a list of parts which we have fitted to the steering of this car. The main features are a 8.25" pendulum…

scan0030 Report comparing the efficiency and performance of different steering worm gears.
View original record To RJ from Hs/Rm. c. to BJ. Wor. c. to RG. E. c. to BY. OY. c. to DA. 48430 X8430 X7430 - X8420 STEERING. We have been running one of the latest .900 worms with the longer rocking lever in the box. As…

scan0031 Steering system design, focusing on worm and nut types, helix angles, and solutions for road shocks and vibrations.
View original record contd :- -2- The conclusions that we made in Hs/Ra2/LG19.7.27 are therefore confirmed by our recent experiments, and we do believe that with the worm and nut type of steering it is very difficult to…

scan0032 Analysis of steering friction with different axle arrangements and a proposed scheme for sports cars.
View original record contd :- -3- us to get the additional friction which we can make use of owing to our low overall steering ratio of 16-1. We have previously been rather apprehensive as to what might happen to this…

scan0033 General review and experimental notes on steering systems, focusing on large worm gears and damping friction.
View original record DA. Hs. BY. c. to BJ. Wor. RG. OY. c. to E. CWB. PN. Fl. X8430 R1/M28.3.28. STEERING - PHANTOM ETC. GENERAL REVIEW X.8430 AND EXP: .900 LARGE WORM. X.7430 I am not convinced that Hs/Rm22.3.28 leaves…

scan0034 Steering and suspension improvements, focusing on friction, damping, steering ratios, and weight reduction.
View original record contd :- -2- greater than the friction in motion. This would be equivalent to fitting a hartford each side the longitudinal flexibility. If it were found (as one believes) to be most advantageous on…

scan0035 Modification to the steering pivot to reduce road shocks at high speeds for the 20 HP & 40/50 models.
View original record X8430 To BY. from Hs/Rm. c. to DA. Hs/Rm3/LG31.3.28. X5430 X8430 20 HP. & 40/50 STEERING. With reference to RL/M25.3.28. The only simple way we know of reducing road shocks at high speeds at the…

scan0036 Potential changes to steering geometry and components for J, F, and M series vehicles.
View original record To BY. from Hs/Rn. X8430 Hs/Rnl/LG2.4.28. X7430 With reference to Rl/M25.3.28. para.4. We should like to know whether there is any objection due to fouls etc. to us fitting the improved geometry to J.…

scan0037 Outlining objections to irreversible steering, discussing high-speed wobble, self-centering, and part failures.
View original record To R: from Hs/Rm. c. to BJ. Wor. c. to E. DA. c. to BY. OY. X8430 Hs/Rm2/LG2.4.28. 20 HP. & 40/50 STEERING. Y5430 Y457 With reference to KL/M25.3.28. Our objections to an irreversible steering are as…

scan0038 Analysis of steering wobble, discussing steering ratios, king pin geometry, and proposed solutions.
View original record contd :- -2- violently, does not lead us to suppose that parallel moving wheels are a certain cure from our present troubles. We think that the Lancia steering with balloon tyres is very far from…

scan0039 Continuation page of a memo regarding steering satisfaction in France.
View original record contd :- -3- from the king pin than the present standard if 12-EX steering is not satisfactory in France. HS/Bn.

scan0040 Comparison of steering ratios between various American cars and Rolls-Royce models, with commentary on steering design.
View original record To R. from Hs/Rm. c.c. to BJ. Wor. c.c. to E. DA. c.c. to BY. X8430 X5430 [crossed out] X3531 [crossed out] Hs/Rm1/LG12.4.28. With reference to Rl/M28.3.28. We give below a list of the overall…

scan0041 Acquisition of a 1927 straight-eight Bugatti to study its steering and road holding characteristics.
View original record Hs. E. from R. Da. c. to BJ. C. Sg. X8430 R1/M12.4.28. RE. STEERING. X. 8430 X. 7430 X. 2266 The car which (after the Hispano) might be interesting from a road holding point of view, and for other…

scan0042 Steering ratios and flexibility, comparing current designs to competitors and addressing a specific customer complaint.
View original record To DA. Hs. E. from R. c. to BJ. Wor. BY. PN. C. CWB. SG. +8430 R2/M16.4.28. STEERING. X.7430 X.5430 X.8430 X.963 It is fairly certain that with a 15/1 steering we are still faster than the average…

scan0043 Parts required for a Phantom Chassis steering conversion.
View original record RHS c. Hs/Rm. X8430 BY/HEB 12/M.17.4.28. PHANTOM CHASSIS. S.250" PENDULUM LEVER FOR "V" SERIES CONVERSION (.940 LEAD STEERING). STEERING COLUMN AND BOX SEC: 7050 SIDE STEERING TUBE - SEC: 7070.…

scan0044 Modifications to the 20 HP model to improve its appearance and handling by lowering the steering.
View original record DA/EV. E. Hs. c. to BJ. Wor. PN. BY. c. to C. SG. X 8430 R3/M18.4.28. PHANTOMS. X.7430 X. 8430 I like DA/EV's idea of treating the above like I had arranged for the 20 HP. to improve its appearance -…

scan0045 Steering column geometry and lever modifications for 'M' and 'N' series chassis.
View original record Hs. 78430 BY/Cgh8/G.19.4.28. With reference to Hs/Rm1/LG.2.4.28. we are unable to arrange to fit the improved geometry to chassis fitted with the old type steering column on which the steering…

scan0046 Steering improvements for the Phantom model, with comparisons to Bentley and Hispano vehicles and customer feedback.
View original record To R. from Hs. c. to BJ. Wor. c. to E. DA. c. to BY. OY. 48430 Hs3/LG23. 4. 28. PHANTOM STEERING. X.8430 X.4214 X.7430 X.5430 The steering ratio of the 6½ litre Bentley is 16/1. It is just over 3…

scan0047 Continued discussion on steering characteristics, skidding, low-geared steering on models like the Phantom, and comparisons to Bugatti.
View original record contd :- -2- some reason skids across the road at 45°, to correct that skid it means the steering should be turned well over on the lock in the opposite direction. With a low geared steering it is not…

scan0048 Improvements for the Phantom steering system, comparing ratios and flexibility with Hispano's and suggesting hydraulic damping.
View original record Hs. from R. 4830 c. to BJ. BY. DA. R11/M25.4.28. X.7430 X.4214 X.8430 X.7420 PHANTOM STEERING. With reference to Hs3/LG23.4.28., I quite agree that enormous improvement has been made in the steering…

scan0049 Steering gear specifications for present production, F.2 conversion, and 'SS' models.
View original record Hs. DA. from R. c. to BJ. BY. PN. E. C. Sg. 78430 R1/M28.4.28. PHANTOM STEERING. X. 7430 X. 8430 For the present production the best we can do is - .720 worm and box. Rocking lever 1.75". Pendulum…

scan0050 Modifications to the Phantom steering pendulum levers, increasing the length from 9.5' to 10'.
View original record X8430 Hs. from DA. BY. DA3/M1.5.28. PHANTOM STEERING. X. 7430 & X. 8430 X. 7420 With reference to R1/M28.4.28, we know the original Phantoms had 9.5" pendulum levers, but the longer lever on the front…

scan0051 Proposal for steering and suspension modifications and tests on car 98-NK.
View original record To RHC. from Hs/Rm. 48430 Hs/Rm2/LG2.5.28. X 82430 Y235 98-NK CAR. We propose to use this car for steering tests with the castor pivots. We therefore would like the Marles steering removing and…

scan0052 Suggestion to add a groove to the steering column to aid oiling of the felt packings for the Phantom chassis.
View original record Mx. c. Hs. c. EP. c. Hm. X8430 BY/Cgh6/G.2.5.28. re PHANTOM CHASSIS CONTROLS. ----------------------------- With reference to Mx7/T.23.4.28. in connection with the felt packings in the top of the…

scan0053 Change in steering ratio by altering the worm and nut lead instead of the pendulum lever.
View original record To BY. from Hs/Rn. X8430 Hs/Rnl/LG7.5.28. STEERING. [crossed out: X7430] X8430 With reference to R's latest note on steering. You will see that he wishes the cars fitted with old type front axles to…

scan0054 Implementation of 825 lead steering nuts versus the 940 lead conversion.
View original record BY. from Hs/Rn. 48430 Hs/Rml/LG9.5.28. .825 LEAD STEERING NUTS. 48430 Although R. has expressed a wish that the 825 steering should be brought in as soon as possible, it will be some little time…

scan0055 Steering ratio complaints, potential solutions involving pendulum levers and worms, and spring ratings to prevent wobbles.
View original record R. from Hs/Rm. c. to BJ. Wor. c. to E. DA. c. to BY. OY. X8430 Hs/Rm3/LG8.5.28. 40/50 STEERING. X. 8430 X. 7430 With reference to the curing of complaints by reducing the overall steering ratio. The…

scan0056 Comparison table of specifications for various steering system conversions, aiming to resolve complaints.
View original record 40/50 CONVERSIONS FOR COMPLAINTS AIMING AT OVER-ALL RATIO OF 15/1. 1/5/28 TABLE DATA: COLUMN HEADERS: 1: SERIES V 2: ORIGINAL CONVERSION 3: CONVERSION FOR STEERING COLS: 1 AND 2 4: 'B' 2 5: CONVERSION…

scan0057 Standardisation of chassis parts for a 9.5' pendulum lever with otherwise standard steering.
View original record RR 755 REVISED (10H) (D.C. 777 - 29 - 2 - 28) MS C. LTD 42430 COMPLETED 10. 5. 28 STANDARDISATION of CHASSIS PARTS. Date 24. 3. 28 Description of Parts. 9.5" PENDULUM LEVER WITH OTHERWISE STANDARD…

scan0058 Logistics and costs for fitting a new part to a chassis.
View original record STANDARDISATION CHASSIS PARTS X (1) The number of the chassis on which the new part will be fitted. F.E.B. (2) Date when the chassis will be handed to test. 9.6.28 (3) Cost of scrapped material, if…

scan0059 Modifications and performance of the 40/50 HP steering system.
View original record DA. from Hs/Rm. X8430 Hs/Rm1/LG14.5.28. X8430 X7450 40/50 HP. STEERING. With reference to DA4/M11.5.28. Columns 6 and 7 are correct for F2. series as on this series axle control was brought in. A 9.5"…

scan0060 Report discussing the reduction of ball pin travel to improve steering control and prevent high-speed wobbles.
View original record contd :- -2- for the same springs in an emergency than .600 travel. We have proved by tests that when the driver locks over as hard as he can in a crisis, the whole available .600 movement in…

scan0061 The cause and potential solutions for steering wheel 'joggling' on the Phantom model.
View original record Hs. from R. c. to BJ. Wor. c. to BY. PN. c. to CWB. 48430 R7/M17.5.28. PHANTOM STEERING. X. 8430 X. 7430 My own ideas have been for some time that the 'joggling' at the steering wheel is largely due…

scan0062 Instruction for steering conversions on a Phantom chassis, detailing the required parts.
View original record RMO. c. Hs/Rm. X82430 BY/HEB18/M.22.5.28. PHANTOM CHASSIS. STEERING COLUMN & BOX SEC:7050. STEERING CONVERSIONS "V" SERIES TO 48 IN "Y" SERIES. Herewith please receive one Blue Print of each of the…

scan0063 Steering issues related to balloon tyres, recommending a minimum pressure of 40 lbs/sq.in and the fitting of Hartford dampers.
View original record W/S. Whr. from Hs/Rm. c. to BY. X8430 X4565 Hs/RmL/LG24.5.28. With reference to extract from Fnl3/G6.2.28. It would be easier for us to reply to this if we knew the speed at which the objectionable…

scan0064 Technical note on the spring-loaded cross steering tube and its retrospective fitting.
View original record contd :- -2- With the spring loaded cross steering tube, and side steering tubes fitted with springs F.76726, we cannot understand any serious cause for complaint arising, provided tyre pressures are…

scan0065 Ongoing criticisms of steering systems and comparisons with competitors' designs.
View original record To R. from Hs/Rn. c. to BJ. Wor. c. to E. DA. c. to BY. FN. c. to CWB. 78430 Hs/Rml/LG25.5.28. STEERINGS. X5430 X7430 We are still criticised for our steerings. We admit that they are not perfect but…

scan0066 Continued discussion on steering performance, comparing the 20 HP and 40/50 models against competitors and considering factors like speed and parking.
View original record contd :- -2- A customer who has always quoted the 20 HP. Sunbeam steering against us, admitted the other day that the latest 20 HP: RR: steering was now much superior to that of the Sunbeam. If any…

scan0067 Request for advice and recommendations regarding Dunlop low pressure tyres in India.
View original record +8430 Ro/Rm S/W. Whr/Ro15/WP. 2.6.28 Re: Dunlop low pressure tyres in India With further reference to our Whr/GST2/WP.21.5.28 and Whr/Ro8/WP.25.5.28 we shall be glad to receive your advice and…

scan0068 Steering difficulty and wear issue, which has been referred to Messrs. Dunlops and Sir Reginald Ford for investigation.
View original record W/S. Whr. from Hs/Rm. c. to BY. X8430 X4565 Hs/Rm3/LG4. 6. 28. With reference to Why/Ro15/WP2. 6. 28. We have replied to the question of steering difficulty in our Hs/RmL/LG24. 5.28. The question of…

scan0069 Complaints about balloon tyres affecting steering, mandating a minimum pressure of 40 lbs/sq.in.
View original record To Hm. from Hs. X8430 Hs1/LG4. 6.28. BALLOON TYRES - (For Depot sheet). Y4565 We have received complaints that balloon tyres have spoilt the 40/50 steering. We therefore consider that the following…

scan0070 Advising not to proceed with the 9' lever at the present time.
View original record To BY/Cgh. from Hs/Rm. X 8430 Hs/Rm2/LGS.6.28. With reference to BY/Cgh8/G19.4.28. At the moment we do not want to proceed further with the 9" lever. We may however modify our views at some later…

scan0071 The steering performance of a Phantom Trials Sedanca, chassis 81-RP, after a drive to Cambridge.
View original record S/W Copy to HS X8430 BJ. Copy to CWB. PN.3/WT12.6.28. PHANTOM TRIALS SEDANCA. Chassis 81-RP. On driving this car to Cambridge and back on Friday last, where it was able to be very prominently in the…

scan0072 Solutions for a steering problem, including a spring damped pendulum and hydraulic arrangements.
View original record Hs. from T. c. to BJ. BY. 48430 RL/M15.6.28. RE. PROBLEM OF STEERING. X.7430 X.7830 X.8430 X.235 We have now sent you a spring damped pendulum lever with laminated springs. This is arranged so that in…

scan0073 The weakness of Dunlop low-pressure tyres for hunting in India and recommendations for special equipment.
View original record 48430 To Whr/Bo. from Hs/Rm. Hs/RmL/LG23.7.28. DUNLOP LOW PRESSURE TYRES. +4565 With reference to Whr/Ro4/AP18.7.28. It is very difficult for us to in any way reproduce Indian conditions on our tests…

scan0074 Wheel centrepoint testing and modifications to steering and suspension components.
View original record To OY. from Hs/Rm. X8430 Hs/Rm4/LG24.7.28. X8450 With reference to your OY4/H7.12.28. When you are testing with wheels 1/4" further out of centrepoint we would like to point out that it is almost…

scan0075 Technical note discussing shock absorber loads, spring ratings, and ball end movement.
View original record contd :- -2- This gives an excellent steering but the riding at the front of the car is too harsh for ordinary conditions. Our normal shock absorber load on the front is 80 lbs. down and 70 lbs. up.…

scan0076 Steering improvements on the American Phantom, potential wobble issues with smaller wheels, and new adjustable shock absorbers.
View original record To OY. from Hs/Rm. X8430 Hs/Rm4/LGL4. 8. 28. X8810 X8430 We are glad to hear you find the wheels further out from centre point a steering improvement. We have had a number of American owners over here…

scan0077 Tests conducted on a Phantom to determine the effectiveness of repositioning shock absorbers to prevent high-speed wobbles.
View original record To R. from Hs/Rn. +8430 c. to BJ. Wor. c. to DA. OY. c. to BY. Hs/Rml/LG13.11.28. HIGH SPEED WOBBLES. X.487 <- sketch X.235 X.8430 We carried out tests on the Phantom to determine if shock absorbers…

scan0078 Naming conventions for improved steering column positions.
View original record Hs. BY. from R. DA. c. to BJ. SG. 48430 R2/M21.11.28. STEERING POSITIONS. X.7430 X.8430 X.1775 When we introduce or adopt anything like the recently improved steering column positions we ought to give…

scan0079 The standardisation of semi-isolation to prevent jellying of the scuttle and support the steering column.
View original record To JLE. from Hs/Rn. c.c. to C. c.c. to DA/EV. X8430 ✔ X4613 Hs/RnS/LG5.1.29. Sometime ago we standardised semi isolation. The object of this was to prevent jellying of the scuttle and support the…

scan0080 Issues with side steering tube ends on SS cars following a 10,000-mile test.
View original record To BY. from Hs/Rm. c. to Wor. Y8430 Hs/Rm6/LG22.1.29. SIDE STEERING TUBE ENDS. X7430 X7450 The SS. cars that have run in France have so far been fitted with side steering tubes having ends to…

scan0081 Steering issues like 'tramping' and 'joggles' and proposed solutions for achieving perfect geometry.
View original record OY-1 X8430 August 29, 1929. TO: Mr. Beaver. FROM: Mr. Olley. cc Mr. Ainsworth Mr. Caswell Experimental Dept. Mr. Burton Mr. Southern Mr. Hives (England) STEERING - SECTION 7050. Further to OY-1,…

scan0082 Design committee report discussing the hot well pump, steering column, and foot brakes.
View original record R. (Held up). Sg. Wor. E. BY. Hs. V8430 Rg.1/LW.14.2.30. X.2924 X.2444 X.5430 X.8430 X.7370 SEVENTH REPORT OF DESIGN COMMITTEE. Hot Well Pump. The Design of the hot well pump required for the 'Hart'…

scan0083 Tests on hydraulic steering shock dampers for a lighter axle, comparing different load settings.
View original record To R. from Hs/Rm. c. to BJ. Wor. c. to RG. E. c. to DA. BY. (Handwritten: X8431) Hs/Rm2/LG8.10.26. S̶T̶E̶E̶R̶I̶N̶G̶ HYDRAULIC S̶H̶O̶C̶K̶ DAMPERS - LIGHTER AXLE. (Handwritten: X8430, X235) We have…

scan0084 Undesirable features and test results of a hydraulic steering damper.
View original record To R. from Hs/Rn. c. to BJ. Wor. c. to RG. E. c. to DA. BY. X835 X8431 Hs/Rm5/LG12.10.26. HYDRAULIC STEERING DAMPER. X835 X8430 X8431 Further tests have shewn up one or two undesir- able features of…

scan0085 Continued discussion on steering damper characteristics, comparing frictional load versus hydraulic damping.
View original record contd :- -2- Thus for quick reversals of minute amplitude the frictional load is more effective than the spring controlled hydraulic damping, which is more constant over its whole range. The friction…

scan0086 Design and function of hydraulic dampers for a steering system, focusing on lean of pivots and wobble prevention.
View original record To Hs. from R. c. to BJ. Wor. c. to DA. BY. Mr. Claremont. K235 X8431 R1/M11.10.26. STEERING - HYDRAULIC DAMPERS - LEAN OF PIVOTS. X.8430 X.235 X.457. You will see in various memos, that I have…

scan0087 Suggestion to obtain one dozen solid cork gland packings for a damper to resolve an oil leakage issue.
View original record RY/HBP X8431 BY11/H.12.10.26. c. Hs/Rm. Order Office. It would be of interest to obtain one dozen gland packings for the damper, in solid cork. They can be obtained from Messrs Roberts & Company, Mere…

scan0088 Design objectives and limitations of the longitudinal tube ball end for steering systems.
View original record To Hs. ) DA. ) FROM R. BY. ) c. to BJ. E. X8431 R3/M11.11.26. STEERING 20 HP. & 40/50. X.8431 X.5430 BUFFER SPRINGS ETC. X.8430 X.8425 Regarding the longitudinal tube ball end we now have involved the…

scan0089 Scheme for a spring on a hydraulic steering damper filter.
View original record X8431 TO BY. FROM DA. HYDRAULIC DAMPER ON STEERING. DA2/M20.11.26. C. to -BJ. HS. Replying to BY/CGH17/G121126., we send herewith N. scheme 2305. shewing the spring for endwise control on the damper…

scan0090 Results of bench and road tests on a hydraulic steering damper.
View original record To R. from Hs/Rm. c. to BJ. Wor. c. to RG. E. c. to DA. BY. c. to OY. +8431 Hs/RmS/LG27.1.27. HYDRAULIC STEERING DAMPER. H431 We have carried out bench and road tests on the hydraulic steering damper.…

scan0091 Technical memorandum on hydraulic damper performance, oil viscosity, and steering system calculations.
View original record contd :- -2- We also give a viscosity curve of the oil used at present in the hydraulic dampers. Tests on the Condor pump box shewed us that the back pressure occasioned by forcing liquid through an…

scan0092 Specifications for shock damper pressure, oil flow, and leak dimension to counteract wobble.
View original record contd :- -3- tube radius to counteract wobble. This is equivalent to 75 lbs. at shock damper ball end or internal pressure of 237 lbs/sq.in. .. Leak must be adjusted so that it sets up a back pressure…

scan0093 Blueprint detailing the performance characteristics of a hydraulic steering damper, with graphs for oil viscosity and pressure versus flow.
View original record HYDRAULIC STEERING DAMPER Top Graph: OIL TEMP. F DEGREES REDWOOD VISCOSITY IN SECONDS THIN MINERAL COMPRESSOR OIL VISCOSITY 90°F 250 SECS VISCOSITY 40°F 1600 SECS RESISTANCE SET UP BY A GIVEN LEAK FOR…

scan0094 Spring load variations in shock absorbers and the use of aluminium washers for adjustment.
View original record To BY/HEB. from Hs/Rm. X8431 Hs/Rm2/LG1. 2. 27. X235 With reference to BY/HEB7/M31.1.27. We have tested spring F.75148 and find that it gives 105 to 110 lbs. at the end of the 7¼" lever, or about 62½…

scan0095 Advantages and considerations of hydraulic damping for steering systems.
View original record To Hs. DA/HDY. BY. c. to BJ. Wor. E. X8431 R 4/M1.2.27. X. 8425 X. 235 X. 8431 HYDRAULIC DAMPING OF STEERING. One naturally must not expect too much from this, but I believe it will justify itself if…

scan0096 Proposal to modify the steering shock damper with a bypass system to facilitate shunting.
View original record To BY. Hs. from DA. c. to RG. x8431 DA4/M1.2.27. DAMPER IN STEERING. X. 8431 X. 235 We send herewith N.sch.2356, on which is shewn a proposal for cutting out the shock damper on extreme locks so as to…

scan0097 Request for blueprints and parts to experimentally fit a hydraulic steering damper to a Phantom chassis.
View original record C. Hs/Rm. X82431 BY/HEB14/M.16.2.27. PHANTOM CHASSIS. HYDRAULIC STEERING DAMPER SEC:7161. IN ACCORDANCE WITH "N" SCHEME 2356. Please receive two blue prints of each of the following:- F.76648 Piston…

scan0098 Benefits of damping friction on the cross steering tube to avoid rattles.
View original record To BJ. from R. c.c to OY. Hs. BY. f8431 R3/M29.4.27. STEERING - DAMPING FRICTION. X. 5431 X. 8425 X. 9431 X. 5425 Regarding the damping friction on the balls of the cross steering tube, 1200 lbs.…

scan0099 Proposal to standardize the Klaxon horn wiring on the 20 HP model to a single earthed wire, similar to the New Phantom.
View original record [Handwritten] X 8440 To BY. from EFC. c. BY/RD. EFC1/T9.12.25. RE KLAXON WIRES. [Handwritten] [Strikethrough]X8440[/Strikethrough] [Strikethrough]X3590[/Strikethrough] X 5440 On present standard, we…

scan0100 Standardisation of the 40/50 Type Klaxon switch and wire for the 20 HP chassis.
View original record RR 755 (10H) (DB130 12-9-24) MS 301225 STANDARDISATION of CHASSIS PARTS. Description of Parts: 40/50 TYPE KLAXON SWITCH AND WIRE FOR 20 HP. CHASSIS. Origin: Desirability of having these similar to the…

scan0101 Faulty Klaxon switch on chassis 9-EX, which caused the horn to blow continuously.
View original record To RHC. from EFC. c. HS/AJL. X8440 ORIGINAL EFCL/T23.8.27. KLAXON SWITCH ON CHASSIS 9-EX. During my weekend run on this chassis, the moving contact of the Klaxon switch came adrift from its spring,…

scan0102 Issue with the side steering tube interfering with the lock on car 46-PK and proposing a solution.
View original record To HS. from DA. c. to BY. S E C R E T. EAC.11. SIDE STEERING TUBE. X.9450(crossed out) XS450 On the car which we saw here on Friday last - 46-PK - the lock was seriously interfered with by the side…

scan0103 Special Side Steering Tube made to fit an EAC engine into an E.A.C.III chassis frame.
View original record Y8450 De. c. Hs. BY/C8/H. 18. 7. 24. E.A.C.II. SIDE STEERING TUBE. Y8450 With reference to Dal/M. 14. 7. 24. in order to get an EAC. engine fitted in a chassis as quickly as possible, E.A.C.III. type…

scan0104 Graph showing the mechanical efficiency of an E.A.C.V. steering box with increasing loads in the side steering tube.
View original record MECHANICAL EFFICIENCY OF E.A.C.V STEERING BOX WITH INCREASING LOADS IN SIDE STEERING TUBE. E.A.C. WITH WHITE METAL STEERING NUT. X 8450 X8450 To. R.only Y-Axis: MECHANICAL EFFICIENCY % X-Axis: LOAD IN…

scan0105 Modifications and experimental testing of a combined side and cross steering lever.
View original record +8450 BY/HER. c. RY/TWD. c. Hs. ---------- BY10/H. 13.8.25. -------------- The special combined side and cross steering lever set forward 100 on its outer centre, and the modifications to the pivots…

scan0106 High-speed steering wobbles and the results of tests using a damped pendulum lever.
View original record R.R. 493A (50 H) (D.D. 31. 12-6-25) J.H.D. X8450 EXPERIMENTAL REPORT. Expl. No. REF: Hs4/LG17.8.25. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. HIGH SPEED STEERING WOBBLES. 1457…

scan0107 The phenomenon of high-speed steering wobbles.
View original record R.R. 493a (50 H) (D.D. 31, 12-6-25) J.H.D. Expl. No. REF: He/Bal/LG17. S. 25. EXPERIMENTAL REPORT. HIGH SPEED STEERING WOBBLES. We have been carrying out continuous experiments with regard to this…

scan0108 High-speed wobbles, detailing tests on tyre pressures, wheel gather, and steering tube springs.
View original record R.R. 433A (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. -2- Expl. No. REF: Hs/Rml/LG17.8.25. In addition, the rotational moment of inertia of the balloon tyre and wheel is 15% less than the…

scan0109 Tests conducted to understand and mitigate high-speed wobbles in vehicles.
View original record R.R. 483A (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. -3- Expl. No. REF: Hs/Rml/LG17. 8. 25. side steering tube springs we tried against standard were very weak and would undoubtedly promote…

scan0110 Fitting Dunlop wheels and modifying the steering lever on a 'Phantom' test car.
View original record R.R. 493A (50 H) (D.D. 31. 12-6-25) J.H.D. F8450 EXPERIMENTAL REPORT. Expl. No. REF: Hs5/LG28.9.25. To R. from Hs. c. to CJ. BJ. c. to RG. M. c. to DA. BY. c. to Wor. 8-EX. 10,000 MILES TEST ON…

scan0111 High-speed steering wobbles and tyre testing.
View original record R.R. 493A (50 H) (D.D. 31, 12-8-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. +8450 REF: Hs/Bm1/LGS.10.25 To R. from Hs/Rm. c. to CJ. BJ. c. to RG. E. c. to EA. BY. c. to Wor. +457 HIGH SPEED STEERING…

scan0112 Tests on hub wobble, comparing different tyres and suspension configurations.
View original record R.R. 493A (50 H) (D.D. 31. 12-6-25) J.H.D. EXPERIMENTAL REPORT. -2- Expl. No. REF: Hs/Rm/LG6.10.25. We send you figures taken by a pencil in the end of the hub which demonstrate the relative amplitude…

scan0113 Diagram illustrating tyre contact patch tests under various suspension and tube configurations.
View original record TOP LEFT SECTION: MOUNT WITH TUBE ON INSIDE OR OUTSIDE ONLY. Since found to be incorrect TOP RIGHT SECTION (E): FRONT O/S MIDDLE LEFT SECTION (D): FRONT N/S R-R STD TYPE S.S TUBE SOLID. PIVOTS & TRACK…

scan0114 Tests conducted to resolve high-speed steering wobbles.
View original record R.R. 493A (50 H) (D.D. 91, 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. +8450 REF: HS/R m1/LG9.10.25. To R. from Hs/Rn. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. HIGH SPEED STEERING…

scan0115 The endurance testing of a hydraulic device and the geometry of a side steering tube to eliminate wobble.
View original record R.R. 493a (50 H) (D.D. 31. 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. REF Hs/R ml/LGD.10.25. We are testing these for endurance on the bumping rig, they would appear to be very much more reliable…

scan0116 Over-stressing and deflection of springs in the side steering tube for the Phantom model.
View original record X. 8450 To Hs. from DA. DAL/M17.10.25. PHANTOM - SPRINGS IN THE SIDE STEERING TUBE. We notice on F.72514 that the springs in the side steering tubes at each end are allowed a deflection of .175 from…

scan0117 Required modifications to a plunger spring for the New Phantom side lever mechanism.
View original record X 8450 To C. Hs. from RHC. RHC12/BE. 17.11.25. RE NEW PHANTOM SIDE LEVER MECH: N.S.2079 With reference to the Improved Change Speed Mechanism to N.S. 2079. We omitted to mentioned in our RHC11/BE.…

scan0118 Reducing the rating of the side steering tube spring to mitigate road shocks.
View original record +8450 To BY. from Hs/Rm. Hs/Rm3/LG12.2.26. SIDE STEERING TUBE. +8450 +8430 We are contemplating reducing the rating of the present side steering tube spring. The object of doing this is to reduce the…

scan0119 The urgent delivery of side steering tube springs.
View original record To RHC. from Hs/Rm. 78450 Hs/Rm/LG19.2.26. SIDE STEERING TUBE SPRINGS. HEB. is today issuing details of some side steering tube springs. We should be glad if you would treat this matter as urgent and…

scan0120 Producing and fitting side steering tube springs with a reduced rating for an experimental 40/50 HP chassis.
View original record +8450 To NHD C. Hs/Am: BY/HEB1/M.30.2.26. 40/50 HP. CHASSIS. SIDE STEERING TUBE SEC: 7070. SIDE STEERING TUBE SPRINGS WITH REDUCED RATING. Herewith please receive two Blue Prints of each of the…

scan0121 Modifications to the Phantom steering to reduce road shocks and joggles.
View original record 48450 To B.J. from Hs. c. to Wor. BY. c. to EP. Hm. c. to FN. CWB. PHANTOM STEERING. +8430 We suggest there are several alternative moves which might improve joggles or road shocks felt on the…

scan0122 The testing and feedback on weaker side steering tube springs for the Phantom model.
View original record To Wor. from Hs. X8450 Hs1/LG30.4.26. PHANTOM STEERING. X8430 X8450 Referring to Wor2/M29.4.26. We have run weaker side steering tube springs for over 10,000 miles in France. The side steering tube…

scan0123 Report on Phantom steering complaints in Paris and arranging tests to resolve them.
View original record To BJ. from Hs. c. to WGR. c. to FN. c. to CWB. X8450 Hs1/LGS.5.26. PHANTOM STEERING. X8430 We attach a report we have received from our man Hancock in connection with the Phantom steering complaints…

scan0124 Steering trouble, including kick back and high-speed wobble, on the Paris Phantom Trials Car.
View original record COPY. PARIS. To Hs; from G.W.Hancock; STEERING TROUBLE. The car in question is the Paris Phantom Trials Car. The chief trouble complained of is the bad shocks on the steering wheel when travelling…

scan0125 Dismantling and resetting of standard friction components, with work held in abeyance pending the fitting of hydraulic dampers.
View original record contd :- -2- the O.S. standard friction. I have had these dismantled - made the serrations free and reset to 70 lbs., but as your letter arrived stating that the hydraulic dampers were to be fitted, I…

scan0126 Steering tests in Paris evaluating the effectiveness of weaker springs and hydraulic dampers to reduce steering shock and high-speed wobble.
View original record To R. from Hs. c. to BJ. E. c. to DA. BY. c. to PN. Wor. X8450 Hsl/LG19.5.26. STEERING. X235 X8430 We attach herewith report from GWH. of tests carried out at Paris in conjunction with Mr. Parsons of…

scan0127 Steering tube springs and low-speed wobbles on the Phantom and Silver Ghost chassis.
View original record contd :- -2- The weak steering tube springs were actually fitted as standard on the very first Phantom chassis, but owing to the tendency for low speed wobbles and also to the complaints of stiff…

scan0128 Testing and proposed solutions for steering complaints on the Phantom model in France.
View original record C O P Y. To Hs. from GWH. 17.5.26 RE. PHANTOM STEERING COMPLAINTS IN FRANCE. We tried the steering of the car complained of on a stretch of road, which with the present standard side steering tube…

scan0129 Request to send three sets of less strong side steering tube springs to Commdr. Briggs for fitting to an original Phantom type chassis.
View original record X.8450 PN8/DN19.5.26. TO Hs c. to Wor, EP & GWB FROM PN Will you please send to Conduit Street at once, addressed to Commdr. Briggs, three sets of the less strong side steering tube springs, in order…

scan0130 Urgent internal memo regarding the despatch of 12 Side Steering Tube Springs to Conduit Street for Commander Briggs.
View original record X8450 To D/BP. from Hs/Rm. c. to Mt. Hs/Rm3/LG20.5.26. We are sending into the Stores for despatch to Conduit Street, London :- 12 F.71401 Side Steering Tube Springs. These should be addressed - "For…

scan0131 Despatch of three sets of side steering tube springs for standardisation.
View original record W/S. X8450 CWB. from Hs/Rm. Hs/Rm6/LG20.5.26. SIDE STEERING TUBE SPRINGS. We have despatched to Conduit Street, marked for your attention, 3 sets of side steering tube springs F.71401. These are the…

scan0132 Steering issues, particularly a 'tendency to wander', and proposing tests on competitor cars and component alterations.
View original record Hs. X 8450 CWB3/GM/21.5.26. RE. STEERING - ref. Hs2/LG12.5.26. X.3929 X.1052. X.8430 I have available a Lincoln Saloon car which I could arrange to have sent to Derby for a day, or possibly two, if…

scan0133 The test of developing stiff steering and testing weaker buffer springs for the 40/50 HP chassis.
View original record Hs COPY 48450 Hs 19 JUL 1926 ( RECEIVED ) BY. c. Hs. c. Mx. EP9/H28.5.26. re. 40/50 HP. Steering Developing Stiff and test of weaker buffer springs. 48430 During a test of about 250 miles recently…

scan0134 Proposal for obtaining additional friction in existing Phantom front axles.
View original record X 8450 TO BY. FROM DA. DAL/M. 28.5.26. C. to - BJ. HS. FRICTION IN PHANTOM EXISTING FRONT AXLES. - X.8450. Herewith we send N.Schemes 2200 shewing the proposal for obtaining additional friction in the…

scan0135 Outlining tests and proposed improvements for the Phantom model's tyres and steering system.
View original record To BJ. ) Hs. ) FROM R. c. to Wor. RG. CWB. c. to BY. PN. OY. Mr. Fuller. X8450 R2/M29.5.26. PHANTOMS - MEDIUM PRESSURE TYRES AND STEERING. X.457 X.8820 X.8430 X.8450 (1) Providing the hydraulic…

scan0136 Steering trial for chassis No. 21-TC, comparing different side steering tube spring strengths.
View original record S/W. Hs. +8450 CWB2/GM/9-6-26. Re: Chassis No. 21-TC. Trial of steering. I fitted the 2,500 lb springs in the side steering tube of the above chassis and gave it a lengthy trial during the last week…

scan0137 Standardisation of weaker springs in the side steering tube to reduce road shocks.
View original record RR 755 (10H) (DB130 12-9-24) MS 301225 COMPLETED 15.6.26 STANDARDISATION of CHASSIS PARTS. Date 4.6.26 X No. 8450 Drawing No. Part List Description of Parts: WEAKER SPRINGS IN SIDE STEERING TUBE.…

scan0138 Scheme for handling steering complaints by fitting weaker springs, with a recommendation for review in 3 months.
View original record To Wor. from Hs. c. to BY. 78450 Hs3/LG28.6.26. STEERING. 78430 Answering Wor6/M23.6.26 attached to which is copy of BJ5/M23.6.26. We think the scheme set out by BJ. is a satisfactory way of dealing…

scan0139 The performance of weaker side steering tube springs to reduce steering shocks.
View original record To Ps. Paris. from Hs. x8450 Hs2/LG5.7.26. SIDE STEERING TUBE SPRINGS. x8450 x8430 We should like to know what your experience has been when you have fitted the weaker springs in the side steering…

scan0140 Modifications and testing for Phantom steering springs.
View original record To Wor. from BJ. Copy to Hs. Copy to DF. X8450 Phantom Steering. BJ9/E6/7/26 With reference to PN5/GM2/7/26, copy of which you have received, I have spoken to PN this morning and should be glad of…

scan0141 Customer satisfaction regarding the expense of fitting alterations.
View original record To Wor. from BJ. BJ9/E6/7/26 - 2 - be sufficient to satisfy the customer, he can inform me of his reasons for going to the extra expense of fitting the other alterations. BJ.

scan0142 Phantom steering, discussing disagreements on equipping experimental cars, spring design, and driver feedback.
View original record To B.J. from Hs. c. to Wcr. c. to EY. /8450 Hs2/LG7.7.26. PHANTOM STEERING. /8430 Replying to BJ9/EG.7.26. We cannot agree with paragraph 1. Our view is that the chief reason for equipping the Expl:…

scan0143 Steering spring standardization and testing results from France.
View original record contd :- -2- the driver losing control of the wheel altogether. Ps. (Paris) very clearly described the faults and the consequences. Tests were made by Ps. and an Expl: Dept: tester in France and their…

scan0144 Experiments with side steering tube springs, discussing potential modifications and critiquing tests made by the Sales department.
View original record contd :- -3- Experiments with side steering tube springs are going on the whole time. It is possible that we shall wish to make modifications to the 1500 lbs. either as regards the strength or initial…

scan0145 The tests and specifications for Phantom side steering tube springs.
View original record To B.J. from Hs/Rm. c. to Wor. PN. c. to CWB. BY. c. to EP. MX. 48450 Hs/RmL/LG7.7.26. PHANTOM - SIDE STEERING TUBE SPRINGS. 48430 We believe that, for a number of reasons, tests at present being…

scan0146 Page of typed fitting instructions for a spring assembly, with an accompanying blueprint diagram showing part numbers and notes.
View original record -2- contd :- unacquainted with the job should consider .188 as applying to all springs and fit them accordingly. This would mean that the static load on the ball end with 2520 lbs. springs would be…

scan0147 Spring ratings, manufacturing tolerances, and the effects on vehicle steering and shocks.
View original record contd :- -3- Then the ball load with the stronger springs is only 280 lbs. and with the weaker springs 350 lbs. As a matter of fact the errors need not be so great as those indicated above because in…

scan0148 Report discussing spring strength variations, steering shock tests, and the arrangement of side steering tubes.
View original record contd :- -4- to the method of lubrication and assembly, friction is a widely varying factor. If all side steering tubes fitted up with one strength of spring gave results which did not vary by more…

scan0149 Effects of weaker side steering tube springs on vehicle steering and handling.
View original record From" Ps" (Private) To " Hs".Derby 48450 Ps/JP.10/7/26 RE: SIDE STEERING TUBE SPRINGS Your memo Hs2/LGS726 to hand. I am of the opinion that the weaker S.S.T. springs improve the steering 60 %. We…

scan0150 Distinguishing between different types of Phantom steering worms.
View original record To CWB. from Hs. 78450 Hs1/LG10.7.26. PHANTOM STEERING. f.7430 With reference to CWB14/8.7.26. There should be no difficulty in distinguishing the .720 worm from the .940 worm or the 1.125 because the…

scan0151 Steering system updates, comparing different leads and spring ratings.
View original record Ps. Paris. from hs. [Handwritten] X8450 Hsl/LG14. 7.26. STEERING. [Handwritten and crossed out] X8430 X8450 We believe that you will shortly be receiving either steerings or cars in Paris fitted with…

scan0152 Typed letter expressing skepticism about an inventor's steering scheme but remaining open to reviewing it.
View original record contd :- -2- Referring to your Ps11/Crn28.6.26. I do not think we should ever adopt a scheme of steering as the inventor describes. If you could obtain a picture of the scheme without raising any…

scan0153 Testing different car configurations to resolve Phantom steering complaints.
View original record 78450 Hs. To Hs. from BJ. Copy to Wor. Copy to Br. Steering Springs etc. BJS/E16/7/26 Re R6/M12/7/26, I am glad to see R's views of the possible saving of expense in this way of dealing with…

scan0154 Standardization and testing of different steering springs for the Phantom model.
View original record 78458 To BJ. from Hs. c. to Wor. c. to BY. Hs1/LG17.7.26. PHANTOM STEERING. 78430 78450 Answering your BJ5/E16.7.26. We are proposing to go to WW. on Tuesday next the 20th. We shall be taking a…

scan0155 Alterations to the New Phantom's steering and springs.
View original record S/W. Copy to:- Mor. Hs. By. Hs Y8450 OWB5/GM/19-7-26. New Phantom steering alterations. Reference PN5/GM2726. Hs/RM1/LG7726 and telegrams of 10.7.26 on the above matter. Last week one of the chassis…

scan0156 Confirming a telephone message requesting a car with specific steering and springs for a sales trial.
View original record X8450 To Hs. from BJ. BJ5/E19/7/26 In confirmation of telephone message: It would be very helpful if you could send a car with .940 steering and 1500 lbs. springs, with which you are satisfied, for…

scan0157 Testing 2000 lbs. springs in the Phantom's side steering tube.
View original record To Hs. from DA. c. to BY. X. 8450 DA1/M22.7.26. PHANTOM - SPRINGS IN SIDE STEERING TUBE. It was agreed yesterday that you should try 2000 lbs. springs in the side steering tube, both with the .720…

scan0158 Improvements to the Phantom side steering tube springs to reduce road shock felt on the steering column.
View original record To WOR. from Hs. x8450 Hsl/LG7.8.26. PHANTOM SIDE STEERING TUBE SPRINGS. x8430 Replying to BJ17/E5.8.26. R. has already laid it down very definitely that his recommendation as regards dealing with…

scan0159 Component parts and drawings for a side steering tube experiment on a 40/50 HP chassis.
View original record C. Hs/Rm. X8450 BY/HEB1/M.12.8.26. 40/50 HP. CHASSIS. SIDE STEERING TUBE SEC:7070. Further to our memo' BY/HEB7/M.16.7.26. by which we issued Temporary Arrangement Drawing F.75379 marked up with the…

scan0160 Complaints and resolutions regarding Phantom model steering and springs.
View original record To Wor. from BJ. c. to Hs. As X8450 BJ7/D12.8.26. Phantom Steering, Springs, etc. I quite agree with your views and the views expressed in Hs1/LG7/8/26 in regard to dealing with complaints of…

scan0161 Methods for handling customer complaints regarding Phantom steering and springs.
View original record To Hs. from BJ. c. to Wor. Hs X8450 BJ9/D13.8.26. Phanton Steering, Springs, etc. Further to BJ7/D12.8.26, in discussing this matter with R. you will doubtless arrange to place before him the relative…

scan0162 Phantom Steering and Springs, referencing other correspondence.
View original record Hs. - from Wor. X8450 Wor3/M13/8/26. Phantom Steering, Springs etc. With reference to BJ7/D12/8/26, copy of which you have, please talk this matter over with R. when you are at West Wittering. I have…

scan0163 Broken side steering tube spring found on Chassis 99 SC and its replacement.
View original record "Hs" WORKS. ----------- x8450 Ps2/Crn.18.8.26. Chassis 99 SC - Mr. Soulas. It might interest you to know that yesterday we found a side steering tube spring broken on the above chassis. We have fitted…

scan0164 Query regarding whether a broken spring found in the side steering tube on chassis 99-SC was of a weaker type.
View original record +8450 To Ps. from Hs. Hs1/LG20.8.26. Chassis 99-SC - Mr. Soulas. +4117 Referring to Ps2/Crn18.8.26. Are we right in assuming that the spring which was found broken in the side steering tube on the…

scan0165 Internal memorandum discussing an epidemic of 'Phantom' steering joggle complaints and proposed modifications.
View original record From: "Ps". To: "Hs" copy to. "BJ" X8450 Re: "Phantom" steering joggles. Further to our recent correspondence on steering joggles, we unfortunately have at present an epidemic of complaints of…

scan0166 Confirming approval to change side steering tube springs on original Phantom models to resolve customer complaints.
View original record To BJ. from Hs. c. to Ps. (Paris) c. to Wor. X8450 PHANTOM STEERINGS. Hs4/LG23. 8. 26. X8430 (crossed out) X8450 Reference Psl/Crn20. 8. 26. R. has agreed that we can change side steering tube springs…

scan0167 Fitment of 1500 lb. springs to the side steering tube and suggesting a redesign to accommodate more coils.
View original record To DA. from Hs/Rm. X8450 Hs/Rm7/T23.8.26. X8450 X5450 SIDE STEERING TUBE. 1500 lb. springs are now being fitted to the side steering tube in considerable quantities to cure customers' complaints.…

scan0168 Modifications and assembly instructions for a side steering tube.
View original record 48450 To RHC. from Hs/Rm. Hs/Rm2/LG25. 8. 26. SIDE STEERING TUBE. With reference to the steering tube F.75379 which you are at present making. This tube should be fitted up with the latest…

scan0169 The disapproval of a Phantom Steering scheme and the upcoming design of a spring.
View original record To Hs. from Da. x8450 De3/M26. 8.26. PHANTOM STEERING. X.8430 X.7430 X.8450 With reference to Hs1/T21. 8.26., Mr. Royce does not quite approve of the scheme submitted, and we are making a drawing…

scan0170 Revised side steering tube springs.
View original record To BY. from DA. c. to BJ. Hs. X8450 DA3/M3. 9. 26. SIDE STEERING TUBE. X. 8430 X. 8450 X. 7450 We send herewith N.sch.2258 shewing revised 1500 lb. side steering tube springs, which have been done…

scan0171 Proposal to use weaker springs in the side steering tube to reduce road shocks on the Phantom model.
View original record RR 755 (10H) (DB130 12-9-24) MS 301225 STANDARDISATION of CHASSIS PARTS. Description of Parts WEAKER SPRINGS IN SIDE STEERING TUBE. Origin. To reduce road shocks. Experimental Test Report. It is…

scan0172 Unsatisfactory results with a modified steering system on chassis 18-MC after changing springs.
View original record [handwritten] X8450 [/handwritten] [strikethrough]"Whr" London[/strikethrough] [strikethrough]"Hs" Derby[/strikethrough] [handwritten] 8 40 [/handwritten] Ps8/JP.23/9/26 25. Sep. 1926 [underlined]RE…

scan0173 Customer complaints and potential solutions for failing side steering tube springs.
View original record To BY. from Hs/Rm. +8450 Hs/Rm3/LG27.9.26 SIDE STEERING TUBE SPRINGS. X8450 X8430 We have received a note from Ps. (Paris) stating that he has found nothing so satisfactory for curing customers…

scan0174 High speed wobbles and broken springs on cars fitted with new Phantom steering.
View original record To Wor. from Hm. C. to Hs. C. to BY. C. to Mx. X8450 1. Oct 1926 8 40 Hm13/W30.9.26. New Phantom Steering. Our man has returned from his visit to Paris and San Sebastian, where he has modified the…

scan0175 Redesign of Phantom side steering tube springs to reduce stress.
View original record X 8450 Wom. c. Hm. c. Hs. c. MK. BY absent. S-O BY/Cghl/H. 1.10.26. ----------- PHANTOM STEERING. ----------------- With reference to Hm13/W, 30.9.26. although the 15CQb. side steering tube springs…

scan0176 Breakage of 1500 lb. springs on the New Phantom steering and the development of a new design.
View original record To Hm. from Hs/Rm. c. By. c. Mx. X4450 Hs/Rm1/T1.10.26. NEW PHANTOM STEERING. With reference to Hml3/W30.9.26. we are somewhat surprised at the reports on 1500 lb. springs breaking frequently, because…

scan0177 New and replacement parts for the Side Steering Tube on the 40/50 HP chassis.
View original record C. Rs/Rm. X8450 BY/HEB/M.6.10.26. 40/50 HP. CHASSIS. SIDE STEERING TUBE SEC:7070. (IN ACCORDANCE WITH "N" SCHEME 2258). Please receive herewith two Blue Prints of each of the following:- F.75673…

scan0178 Requesting an order of springs for the side steering tube to be fitted on experimental 40/50 HP chassis.
View original record [Redacted] C. Hg/Rm. X9450 EX/HSB14/M.8.10.26. 40/50 HP. CHASSIS. -------------------- SIDE STEERING TUBE SEC:7070. ----------------------------- SPRINGS ETC. SUITABLE FOR CHANGEOVERS.…

scan0179 Issues with 0.940' steering, including breaking springs and high-speed wobbles.
View original record To Ps. Paris. From Hs/Rm. c. to Hm. 48450 Hs/Rm3/LG11.10.26. RE. 0.940" STEERING. 48430 With reference to Ps7/Cm 6.10.26. We quite appreciate that there are still shocks to be felt upon the steering…

scan0180 Parts list and instruction memo for special parts suitable for changeovers on the 40/50 HP chassis side steering tube.
View original record C. Hs/Rm. BY/HEB1a/M.12.10.26 40/50 HP. CHASSIS. SIDE STEERING TUBE SEC: 7070. (SPECIAL PARTS SUITABLE FOR CHANGEOVERS). Please receive herewith two Blue Prints of each of the following:- F.75839…

scan0181 Issue of blueprints for Side Steering Tube F.75859 for the 40/50 HP Chassis, Scheme 2258.
View original record X8450 C. Hs/Rm. BY/HEB6/M.14.10.26. 40/50 HP. CHASSIS. SIDE STEERING TUBE - SECTION 7070. IN ACCORDANCE WITH "N" SCHEME 2258. Further to our memo' BY/HEB3/M6.10.26, by which we issued certain parts in…

scan0182 Steering performance with different spring, axle, and tyre combinations.
View original record To DJ. From Hs/Rm. c.c. to CWB. [crossed out] c.c. to C. [crossed out] c.c. to RN. [crossed out] c.c. to H. [crossed out] [Handwritten number: X8450] Hs/Rml/LG11.11.26. STEERING. [Handwritten numbers…

scan0183 Proposed spring joint for the Phantom side steering tube.
View original record TO BY. FROM DA. DA2/M13.11.26. X8450 ORIGINAL C. to DJ. HS. PHANTOM SIDE STEERING TUBE. X8450 We send herewith N. sch. 2301. shewing the proposed spring joint for the side steering tube. It follows…

scan0184 Instructions for fitting lower-rated springs with increased deflection to the side steering tubes on a Phantom Chassis.
View original record C. Hs/Rm. 48450 BY/HEBg/M.16.11.26.Hs RECEIVED NOV-16 1926 PHANTOM CHASSIS. SIDE STEERING TUBE SEC:7070. Please receive herewith two Blue Prints of each of the following:- F.76108 Scheme for fitting…

scan0185 Continued document page listing standard parts that are replaced and their required quantities per chassis.
View original record -2- BY/HEBg/M.16.11.26.-Con't'd- The remaining parts required are in accordance with the Standard Arrgt. F.72514. The following are the Standard parts replaced by the above:- F.74816 Side Steering…

scan0186 The unsatisfactory steering on Mr. Royce's Car 7-EX, requesting details of its current configuration.
View original record To Hs. from DA. X8450 DA3/M20.11.26. MR. ROYCE'S CAR 7-EX. X. 8992 X. 8450 X. 8430 X. 8435 The steering on this car is not entirely satisfactory, and it would be of interest to us to know how it is…

scan0187 Urgent request for two springs with a 600 lbs rating for a side steering tube end.
View original record To BY/HEB. from Hs/Rn. X8450 Hs/Rn2/LG17.12.26. With reference to N.sch.2208. We should be obliged if you could get out 2 springs to be used in conjunction with this side steering tube end of rating…

scan0188 Cancelling and replacing instructions for 'K' Series and 'J' Series side steering tubes.
View original record Hs DEC 22 1926 RECEIVED X8450. BY/ALEE [Strikethrough] Copied. [Strikethrough] C. Gen. Man. [Strikethrough] c. Hs. [Strikethrough] c. Sft [Strikethrough] BY11/H. 21.12.26. ------------------------ "K"…

scan0189 Standardisation of chassis parts relating to 1500 lbs+ springs, heavy front axle, and .720 worm.
View original record RR 755 REVISED (10H) (DE 444 6-10-26) BM. K8450. Completed 23/12/26 STANDARDISATION of CHASSIS PARTS. Date 29.11.26 Description of Parts. 1500 LBS+ SPRINGS WITH OLD TYPE HEAVY FRONT AXLE AND .720…

scan0190 Standardisation sheet for fitting 1500 lbs springs with an old type heavy front axle and 720 worm.
View original record C O P Y. To Hs. from My/Rb. My/Rb4/N/139A/BJ22.12.26. STANDARDISATION SHEET. 1500 LBS. SPRINGS WITH OLD TYPE HEAVY FRONT AXLE & 720 WORM. The figure given is for fitting the lower rated springs with…

scan0191 Standardisation of weaker springs in the side steering tube to reduce steering shocks.
View original record RR 785 REVISED (10H) (DE 444 6-10-26) BM. 18450 COMPLETED 23.12.26 STANDARDISATION of CHASSIS PARTS. Date 26.11.26 Description of Parts. WEAKER SPRINGS IN SIDE STEERING TUBE+ Origin. To reduce…

scan0192 Standardization of side steering tube springs for 20 HP and 40/50 Phantom models.
View original record To R. from Hs/Rm. c. to. BJ. WOR. c. to RG. E. c. to DA. BY. c. to OY. X8450 Hs/Rm5/T26.1.27. SIDE STEERING TUBE SPRINGS. X8450 X5450 With reference to the straightening out of the position with…

scan0193 Comparison of steering arrangements with plans for future testing of a new scheme.
View original record Contd. -2- Hs/Rm5/T26.1.27. general characteristics of the steering with this arrangement is the same as with the 1500 lbs. springs in the old type end, an arrangement which was considered to be the…

scan0194 Breaking side steering tube springs for the 40/50 HP model, recommending replacement.
View original record To BY. from Hs/Rm. X8450 Hs/Rm1/LG3. 2. 27. 40/50 HP. SIDE STEERING TUBE. We note in a report from Paris on Quarterly Complaints, that they have experienced 3 cases of 1500 lbs. side steering tube…

scan0195 Design release and implementation of a side steering tube for changeover work.
View original record Try & see N.K. for brief X8450 Hs/Rm C BY/HEB BY10/H. 21.2.27. RECEIVED SIDE STEERING TUBE - N.Scheme 2258. Referring to BY6/H. 4.2.27. on the above subject, I would like to know whether you are in a…

scan0196 Calculations concerning fluid delivery rates and head pressures.
View original record 120.H.P. at .7 pts/ H.P. hr = 1.4 pts/ min Delivery under this head 8/3 pts/m. 2 2.8. 13 ft- head. normal deliv. = 2.8 pts/m. filter in circuit = 2.3 pts/min 1 ft-head " = 2.8/13 = .215 = 2 ft of…

scan0197 Testing and potential modifications for the 40/50 Side Steering Tube.
View original record To BY. from Hs/Rm. X 8450 Hs/Rm1/LG22.2.27. N.sch.2258. 40/50 SIDE STEERING TUBE. We have tested out N.sch.2258 and consider that it is quite suitable for release on changeover work. We are quite…

scan0198 Specifications and clearances for side steering tube N.sch.2253.
View original record To Rm. from GWH. X.8450 Rm/LG25.2.27. Side steering tube N.sch.2253. X8420 Fitted to 98-NK with 9.5 pendulum lever. Steering tube 36.750" centres. With 2.125" rebound clearance between frame and/tube…

scan0199 Testing recommendations for Trials cars, steering issues with chassis 107-TC, and a proposed spring fitting experiment.
View original record "pm" LONDON copy "for" LONDON "Hs" DERBY X8450 Ps28/RJ.2.3.27 RE: CHASSIS 107-TC The recommendations you have made as a result of your testing our Trials cars are in hand and we hope by the next time…

scan0200 Test results and future plans for side steering tube springs.
View original record To BY. from Hs/Rm. X8450 Hs/Rm5/LG4.3.27. SIDE STEERING TUBE SPRINGS. With reference to the side steering tube springs to be fitted to N.sch.2258. We have carried out tests and decided that we can fit…

scan0201 Clarifying the use of different springs for various car series in relation to side steering tubes.
View original record X8450 BY2/H.14.Hs.27. [STAMP: RECEIVED MAR 14 1927] SIDE STEERING TUBES. Further to my memo BY5/H.11.3.27, I find that in the memo quoted I did not fully cover the position. The facts of the case are…

scan0202 Instruction to experimentally assemble a new spring for the Side Steering Tube on a Phantom chassis.
View original record X8450 C. Hs/Rm. BY/HEB2/M.14.3.27. PHANTOM CHASSIS. SIDE STEERING TUBE SEC: 7070. IN ACCORDANCE WITH "N" SCHEME 2258. Please receive herewith one blue print of the following:- F.76726 Spring for Side…

scan0203 Supplying and testing new springs for the side steering tube.
View original record X8450 Hs/Rm. C. IdC. BY17/H. 14.3.27. SPRINGS IN SIDE STEERING TUBE. I have instructed the Order Office to hand over to you two dozen of the latest type of side steering springs, namely, .300…

scan0204 The fitting of a steering tube, an improved lubrication scheme, and a front axle control.
View original record To RHC. from Hs/Rm. X8450 Hs/Rm3/LG14.3.27. Will you please arrange to fit as soon as the parts are available :- 1 side steering tube in accordance with BY/HEB2/M14.3.27. Improved lubrication scheme…

scan0205 Standardisation of the side steering tube end to improve the steering.
View original record RR 755 REVISED (10H) (DE 444 6-10-26) BM. STANDARDISATION of CHASSIS PARTS. Description of Parts. SIDE STEERING TUBE END. N.sch.2258. Origin. To improve the steering. Experimental Test Report. This…

scan0206 Fitting of an E2 series chassis, including the test date and associated costs.
View original record STANDARDISATION OF CHASSIS PARTS 1st. chassis to be fitted ........ E2. series. Date to test ................ 14.7.27 Tool cost .................... £40 Scrap ........................ Nil B.T. from…

scan0207 Factory cost for supplying and fitting a modified side steering tube.
View original record To Hs. from Rb. C O P Y. Rb2/Nl/139A/BJ12.3.27. Side steering tube end - N. sch. 2258. X. 8450 Returned herewith is std. sheet with cost filled in. Please note the factory cost for supplying and…

scan0208 Issue of blueprints for Side Steering Tubes for the Phantom Chassis.
View original record X8450 C. Hs/Rm. BY/HEB4/M.21.3.27. PHANTOM CHASSIS. SIDE STEERING TUBES SEC:7070. IN ACCORDANCE WITH "N" SCHEME 2258. Please receive herewith one blue print of each of the following:- L.O.P. F.76787…

scan0209 Blueprint for the Side Steering Tube on the Phantom Chassis, in accordance with scheme 2258.
View original record C. Hg/Rm. x9450 BY/HEBS/M.29.3.27. PHANTOM CHASSIS. SIDE STEERING TUBE - SEC:7070. IN ACCORDANCE WITH "N" SCHEME 2258. Please receive herewith one blue print of the following:- F.76787 Arrgt. of Side…

scan0210 Arrangement F.76788 for the Side Steering Tube (SEC:7070) on the Phantom Chassis.
View original record C. Hg/Rm. X8450 BY/HEB6/M.2.4.27. PHANTOM CHASSIS. SIDE STEERING TUBE SEC:7070. IN ACCORDANCE WITH "N" SCHEME 2258. Further to our memo 'BY/HEB2/M.29.3.27. by which we issued Arrgt. F.76787 showing…

scan0211 Need for stronger springs for hydraulic shock dampers and side steering tubes.
View original record To BY. from Hs/Rn. X8450 Hs/Rn3/LG25.4.27. HYDRAULIC SHOCK DAMPERS. X235- We find that in a number of cases we require a much greater low pressure loading than we are able to get with the springs…

scan0212 List of blueprints for guides, springs and ball pads for the Phantom Chassis side steering tube.
View original record C. Hs/Rm. VSU50 BY/HEB7/M.2.5.27. PHANTOM CHASSIS. SIDE STEERING TUBE SEC:7070. (IN ACCORDANCE WITH "N" SCHEME 2301). Please receive herewith one blue print of each of the following:- F.76903 Inner…

scan0213 Instruction regarding a blue print for the Cover for Side Steering Tube Joint on a Phantom Chassis.
View original record C. Hs/Rm. X8450 BY/HEB3/M.12.5.27. RECEIVED MAY 13 1927 PHANTOM CHASSIS. SIDE STEERING TUBE - SEC:7070. Please receive herewith one blue print of the following:- F.76947 Cover for Side Steering Tube…

scan0214 The side steering tube for a Phantom chassis, for use with a spring damped pendulum lever.
View original record C. Hs/Rm. X 8450 BY/HEB3/M.27.5.27. PHANTOM CHASSIS. SIDE STEERING TUBE FOR USE WITH SPRING DAMPED PENDULUM LEVER. SEC:7070 & 7050. IN ACCORDANCE WITH "N" SCHEME 2390. Please receive herewith one blue…

scan0215 Side steering tube knock, confirming a successful fix on one car and reporting parts incompatibility on two other cars.
View original record Hs X8450 S/W. Hs EP. Copy to:- Hs. RECEIVED CWB2/GM/26.10.27. 20 H.P. SIDE STEERING TUBE KNOCK. REF. YOUR EP/Thnl/H18.10.27. We have now fitted the device to GAJ-53 and find it completely effective…

scan0216 Request to obtain springs with a 2000 lbs. rating for a Sports car.
View original record X8450 To BY. from Hs/Rm. Hs/Rm1/LG5.11.27 Will you please obtain for us springs of 2000 lbs. rating to suit N. sch. 2258. We anticipate using these springs with the Sports car. Hs/Rm.

scan0217 Manufacturing limits for the 40/50 side steering tube and proposing a solution for tolerance issues with internal springs.
View original record To B.Y. from Hs/Rm. X8450 Hs/Rm2/LG9.11.27. 40/50 SIDE STEERING TUBE. X8450 F8430 We have been going into the question of limits on N.Sch.2301. This scheme is dependent for its success upon a 'set up'…

scan0218 Experimental test results for SS Tube Joints, schemes N.Sch 2258 and N.Sch 2301, showing load vs. movement graphs.
View original record SS TUBE JOINTS N.Sch 2258 AND 2301 FOR EXP TEST Drawing Labels: SMALL CLEARANCE THICKNESS OF DISTANCE WASHER D L Graph 1 (Left): N. SCHEME 2301 600 TWO VARIATIONS WITH 2000 LBS / SPRINGS LOAD MOVMT…

scan0219 Continuation page for 'SCHEME C' detailing spring rating, length, washer thickness, and modification suggestions for part F.76268.
View original record contd :- -2- SCHEME C. 1500 lbs/1" rating, free length 2.417. Distance washer thickness - Front end..... Nil. Rear end...... .100 and tied together in their respective sets of four. We suggest that…

scan0220 Part changes for the Side Steering Tube on the E.A.C.14 and Phantom Chassis.
View original record C. Hs/Rm. X8450 BY/HEB4/M.11.11.27. E.A.C.14. & PHANTOM CHASSIS. SIDE STEERING TUBE - SEC:7070. Further to our memo' BY/HEB19/M.9.11.27, by which we issued the following:- F.77931 Inner Plug. 2 off…

scan0221 Suggesting a change in spring rating for side steering tubes to reduce the number of different parts.
View original record To BY/HEB. from Hs/Rm. X8450 Y8430 Hs/Rml/LG11.11.27. With reference to BY/HEB19/N9.11.27. We suggest that the details included in this memo. in order to get a spring of exactly 2000 lbs. rating in…

scan0222 Modifications to the 40/50 HP chassis side steering tube to improve clearances and avoid fouls.
View original record Y8450 C. Hs. BY/Cgh11/K. 5. 12. 27. 40/50 HP CHASSIS SIDE STEERING TUBE. Further to BY/Cgh14/H.29.3.27., with which we sent you blueprint F.76787 showing general arrangement of the new side steering…

scan0223 Alterations to a 40/50 S.S. tube and step-irons to clear the axle.
View original record Y8450 To EY. from EEC. Hs/Rm Hs/Rm1/T16.12.27. 40/50 S.S. TUBE. In order to obtain a S.S. tube with the minimum number of bends we have been trying various alterations. We find that if we raise the…

scan0224 The fitment and approval of a bent side steering tube on a car being used in the south of France.
View original record X8450 To Hs from BJ. BJ6/E20.12.27 Has the car which R. is using in the south of France been fitted with the si/de steering tube which is bent as mentioned in BY/Cghll/G7.11.27 addressed to EP? Has he…

scan0225 Fitment of a side steering tube on an experimental car.
View original record X8450 BJ. from Hs. Hs4/LG20.12.27. SIDE STEERING TUBE. Replying to BJ6/E20.12.27. The tube mentioned in BY/CGH11/G7.11.27. has never been fitted or tried on an experimental car. This tube is not…

scan0226 The unattractive design of a side steering tube and the plan to send a drawing.
View original record X8450 To Hs. from BJ. Side Steering Tube. BJ4/E21.12.27 Referring to your Hs4/LC20.12.27 I think it would be as well if we sent a drawing to R. so that he may know the shape of the side steering tube…

scan0227 Notification forwarding one print of the improved F.78230 Side Steering Tube for the Phantom Chassis.
View original record PHO[struck through] C. Hs/Rm. V8450 BY/HEB6/M.31.12.27. PHANTOM CHASSIS. SIDE STEERING TUBE SEC: 7070. We forward you herewith one print of the undermentioned.- F.78230 Side Steering Tube. 1 off. This…

scan0228 Investigation into a failed side steering tube spring.
View original record To HL. from Hs/Rm. X8450? Hs/Rm3/LG28.12.27. We have sent to you a side steering tube spring F.54789. This spring has failed on test. We should be obliged if you would see whether it is of…

scan0229 Micro-examination report on the fractures and material composition of a side steering tube spring.
View original record X8450 20H OF L5/50 Micro-Examination Report. M573. Hs. Hl2/EA31.12.27. Laboratory. c to By Re Side Steering Tube Spring F54759. ( Your Ref. Hs/Rm3/LG28.12.27.). Examination of the fractures in the…

scan0230 Query regarding the number of chassis to be fitted with the Phantom side steering tube.
View original record Hs X8450 To WOP. from BJ. Copy to Hs. Phantom Side Steering Tube. BJ4/E17.1.28 With reference to the Phantom side steering tube which has so many bends in it, I understand that only a limited number…

scan0231 Request to manufacture a tube for GWH's car, referencing a previous instruction.
View original record To RHC. from Hs/Rn. +8450. Hs/Rml/LG27.1.28. Will you please make a tube for GWH's car to take the 2 ends N.sch.2301 which have been made and were instructed in Hs/Rm2/LG10.11.27. Hs/Rn.

scan0232 Modifications to the Phantom steering system, specifically a shortened pendulum lever and a side steering tube.
View original record To BY. from Hs/Rn. X8450 Hs/Rn2/LG14.2.28. PHANTOM STEERING. X8430 R. is pushing the shortened pendulum lever as you will see from RL/MO.2.28. We are also pushing it for complaints, as being a very…

scan0233 Implementation of a standardization scheme for the side steering tube.
View original record F76108 HS/Rm. 76108 X8450 BY16/H. 14.2.27. SIDE STEERING TUBE. N.SCH.2258. Referring to the standardization sheet which has been issued, dated 9.2.27, X.No.480, covering the above N.Scheme, we find…

scan0234 Experiments and conclusions on side steering tube springs to prevent high-speed wobbles.
View original record K82450 To Na. from Hs/Rm. c. to BJ. c. to BY. Hs/Rm/LG27.4.28. SIDE STEERING TUBE. X3682 With reference to NaS/B41228. Our experiments on side steering tubes have covered a great deal of ground. The…

scan0235 Compilation of a summary for 40/50 side steering tubes.
View original record To BY/HEB. from Hs/Rm. +8450 Hs/Rm1/LG3. 5. 28. 40/50 HP. STEERINGS. +8450 We are trying to compile a summary of the 40/50 side steering tubes on the same lines as the worm and nut details which you…

scan0236 Specifications table for Phantom side steering tube ends, detailing part numbers, stress ratings, movement, and chassis fitment.
View original record PHANTOM SIDE STEERING TUBE ENDS. 14th. May 1928. ARRGT. OR LOP. NO. | PIECE NO: OF SPRING. | RATING AND MAXIMUM STRESS. | TOTAL BALL END MOVEMENT. | CHASSIS TO WHICH FITTED. | REPLACED BY. F.72514 |…

scan0237 Order for two types of springs with detailed specifications.
View original record To HHC. from Hs/Rm. 78450 Hs/Rm4/LG28.6.28. order 78950 Will you please order the following springs :- Springs : 5 coils with a coil gx ground square at each end making 7 coils in all. Free…

scan0238 The despatch of three different sets of springs for chassis 29-CL.
View original record To RHC. from Hs/Rm. X8450 Hs/Rm2/LG16.7.28. Will you please send to CWB. for chassis 29-CL :- 4 off springs F.77944 (A) 4 " " ordered in Hs/Rm4/LG28.6.28. 8.25 coils in all. (B) E.X3095- 4 " " 7 coils…

scan0239 Despatch of hydraulic dampers and three sets of experimental side steering tube springs.
View original record To CWB. from Hs/Rn. X8450 X235/8950 Hs/Rn3/L/16.7.28. We have despatched the hydraulic dampers and with them 3 sets of side steering tube springs of - 2000, 2500, and 3000 lbs/1" rating. They are…

scan0240 Effects of wheel offset, spring rates, and shock absorbers on steering characteristics.
View original record 48450 To OY: from Hs/Rm: Hs/Rm4/LG24.7.28. 78430 With reference to your OY4/R7.12.28. When you are testing with wheels 1/2" further out of centrepoint we would like to point out that it is almost…

scan0241 Technical note on shock absorber loads and spring movement to improve ride quality.
View original record contd :- -2- This gives an excellent steering but the riding at the front of the car is too harsh for ordinary conditions. Our normal shock absorber load on the front is 80 lbs. down and 70 lbs. up.…

scan0242 Steering on Chassis No. 66-YC and the effect of special tube springs.
View original record X8450 3215 S/W CWB5/GM/3.10.28. Re: Chassis No. 66-YC. Inspection Department. Thank you for your note regarding this car. I shall hope to get some information from the Experimental Department because,…

scan0243 Testing car 66-YC for steering sponginess and high-speed wobble, with details of modifications made.
View original record [Handwritten, crossed out]: X8450 To CWB. from Hs/Rm. Hs/Rml/LG6.10.28. [Handwritten]: X8450 [Handwritten]: X457 66-YC CAR. With reference to CWB5/GM3.10.28. We tried this car in the condition…

scan0244 Experimental springs for chassis N.122 KR, advising against their use due to potential issues.
View original record To BY. from Hs/Rn. 78450 Hs/Rml/LG4. 5. 39. c. to EP. Sft. c. to Cx. CHASSIS N.122 KR. MR. HAYWOOD. 7417 With reference to the experimental springs fitted to the trial chassis on which the test was…

scan0245 Issuing tracings for special side steering tube springs and ball pads for the Phantom Chassis 122-KR.
View original record X8450 BY/HEDS/H.10.5.29. C. Hs/Thm. PHANTOM CHASSIS 122-KR. O/6105. SIDE STEERING TUBE - SEC: 7070. SPECIAL SIDE STEERING TUBE SPRINGS AND BALL PADS. Herewith please receive tracings of:- F.81051…

scan0246 Redesign of petrol tank fittings and the switch to a vacuum feed system for cars with 4-wheel brakes.
View original record To Hs. from R. c. to CJ. BJ. RG. Wor. DA. E. BY. PN. EP. SECRET R6/M27.6.24. EAC.11. x8460 x.9460 x.9400 x8400 X.3575 PETROL TANK ETC. A complete drawing has been made of various fittings round the…

scan0247 Secret memorandum discussing modifications to the luggage grid, petrol tank, and chassis for various models.
View original record To BY. from DA. c. to CJ. HS. SECRET DAL/M8. 7. 24. E.A.C.11. LUGGAGE GRID, PETROL TANK ETC. Handwritten notes: Top center: V8460 Top right box: X. 9460 V8460, X. 9400 V8400 We send herewith…

scan0248 Design changes for the 'V' series petrol tanks, including a partition and new filters.
View original record X. 8460 To HS. from R. c. to CJ. BJ. c. to PN. BY. c. to EP. R1/M28.11.24. 'V' SERIES PETROL TANKS. X. 8460. ------------------ The vacuum tank on small dash is difficult to get in with the great…

scan0249 Cancelling a special oil pump and replacing it with a relief valve box system for engine lubrication.
View original record 48460 To HS. } To EY. } FROM R. S E C R E T. R1/M1.12.24. c. to CJ. BJ. EAC.2. X. 8460 ENGINE. X. 8770 Since it has been found that the special pump and stream of oil on the half time gears is not an…

scan0250 Confirming instructions to use the 'U' Series petrol tank for the 'V' Series, and a new tank for the 'W' Series.
View original record +82460 Mr. Booth. c. Hs. BY4/H. 11.12.24. PETROL TANK. "V" SERIES. I attach hereto copy of Da3/M.9.12.24. the result of my having written to him, pointing out that when they begin to work on the "V"…

scan0251 Approval and fitting of a new two-level device and double filter for the 'V' Series petrol tank.
View original record Copy BY from DA. DA3/M. 9.12.24. "V" SERIES PETROL TANK. ----------------------- Referring to your BY12/H. 3.12.24. Mr.Royce has previously approved of a scheme of two level device, the general…

scan0252 The petrol tank for the 'V' series.
View original record +82460 Mr. Booth. c. Hs. BY5/H. 15. 12. 24. PETROL TANK. "V" SERIES. I attach hereto copy of Da4/M. 9.12.24. This agrees with what I have already instructed. BY. By

scan0253 Confirming Mr. Royce's decision not to use the double level device on the 'V' Series, making its petrol tank identical to the 'U' Series.
View original record Copy BY from DA. DA4/M.9.12.24. Since writing our DA3/M.9.12.24. Mr.Royce has agreed not to get the double level device on "V" Series. We therefore conclude that the petrol tank should be identical…

scan0254 Design alterations to the petrol tank, its filters, and sump.
View original record 48460 To H. from R. c. to CJ. BJ. c. to PN. BY. c. to Hs. DA. RE. PETROL TANK. R6/M11.6.25. X. 3701 [strikethrough] X5460 X. 8460 X. 8190 The reason why the ingoing filter has been deleted is because…

scan0255 The availability of a petrol tank with a reserve compartment for the 7-EX 'V' series car.
View original record To B.J. from Hs. X8460 Hs4/LG23.6.25. PETROL TANK WITH RESERVE COMPARTMENT. Referring to your telephone message in connection with the above. We shall not have one of these completed for another 3 or…

scan0256 Improvements and new features for the new Phantom chassis.
View original record To B.J. from Hs. c. to BY. 78460 Hs5/LG1.7.25. NEW PHANTOM CHASSIS. 7870 With reference to BJ3/H30.6.25. BY. will be able to report what is being done as regards improving the finish of the parts you…

scan0257 Functionality and dial readings of a two-level petrol tank device.
View original record +8460 Da. c. Hs. BY3/H. 13.7.25. ------------------------------ 7-EX FOR MR ROYCE. PETROL TANK WITH TWO-LEVEL DEVICE. ------------------------------ Referring to Da/Evl/M. 9.7.25. and dealing with…

scan0258 Faults with the petrol tank and vent system for the New Phantom model.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. +8460 EXPERIMENTAL REPORT. Expl. No. REF: Hs5/LG20.8.25. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. NEW PHANTOM. PETROL TANK WITH…

scan0259 Necessity of petrol filters and specifications for future fuel tanks.
View original record +8460 To Hs. from R. c. to Cf. BJ. c. to PN. H. c. to E. DA. c. to RG. BY. c. to Hm. EP. R1/M20.8.25. PETROL FILTERS AND REAR TANK. X.3701 X.8080 X.8190 X.8460 It is no use our saying that owners must…

scan0260 Fuel filter gauze specifications, materials, and performance in carburettors.
View original record contd :- -2- The gauzes on all these filters should be on the fine standard of 160 mesh. This includes the smaller one on the carburetter, which should be the same because it is only asked to pass…

scan0261 Modifications to the New Phantom petrol tank.
View original record +8260 To BY. from Da. c. to CJ. Hs. DA3/M5. 9. 9. 25. NEW PHANTOM PETROL TANK. X. 8460 X. 8190 We send herewith N.sch. 2051 shewing some modifications to the petrol tank which have been made as a…

scan0262 Petrol tank design, pump capacities, and the inclusion of an ingoing filter or strainer.
View original record Hs. X.8460 BJ7/DN10.9.25. TO R c. to Hs & RY FROM BJ As you are now considering the design of petrol tanks, I asked H. to make the fullest inquiries in regard to different forms of petrol pumps which…

scan0263 The decision to abandon the separate compartment petrol tank design in favour of a two-suction pipe system.
View original record To CJ. from R. c. to BJ. CWB. c. to Hs. BY. X8460 R1/M29.9.25. REAR TANK AND PETROL SUPPLY. X. 8460 X. 5460 It is concluded that the separate compartment scheme of petrol tank presents such…

scan0264 Modifications to the Phantom petrol tank, specifically abandoning the weir for a more accurate level gauge.
View original record X. 8460 To BY. from DA. c. to CJ. Hs. DA4/M2.10.25. PHANTOM PETROL TANK. We send herewith N.sch.2059 shewing a modified 2 level device, dispensing with the weir shewn on N.sch.2051. We have taken the…

scan0265 Design alterations to the Phantom petrol tank, including a new side filler and changes to the central suspension.
View original record X. 8460 To BY. from DA: c. to CJ. Hs. DA5/M3.10.25. PHANTOM PETROL TANK. Herewith we send N.sch.2060 shewing the new side filler for the above tank. The end of the tank is to be reinforced by a…

scan0266 Suggestions for reducing petrol loss from an air lock in the petrol tank and modifying the cap's spring lock.
View original record X. 8460 To BY. from DA. c. to CJ. Hs. DA1/M5.12.25. PETROL TANK - EAC.6. In reply to your BY/C10/DB21.2.25, we send herewith N.sch.2100 shewing a suggestion for reducing the amount of petrol lost when…

scan0267 Supplementary petrol tank lever markings and the design of the petrol gauge for the new Phantom model.
View original record To Hs. from BJ. Copy to..... By. T8460 SUPPLEMENTARY PETROL TANK. BJ2/H17.12.25. With reference to the scheme for turning on the reserve supply, it is understood that there is a dial and lever which…

scan0268 The new petrol tank for the Phantom model, detailing changes to the reserve supply marking and petrol gauge.
View original record R.R. 493A (50 H) (D.D. 31. 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. PR460 Ref: RHS4/LG19.12.25 To BJ. from Hs. PHANTOM - NEW PETROL TANK. We will arrange that the marking for the reserve supply…

scan0269 Design improvements for petrol tanks, with sketches.
View original record To Hs. BY. DA. FROM R. LE CANADEL. c. to CJ. BJ. X8460 PETROL TANKS ETC. X. 8460 X. 8992. The tank on 7-EX (R's car at Le Canadel) is a great improvement, and with the exception that the gauge goes…

scan0270 Improvements and early standardisation for the rear petrol tank, carrier and guard.
View original record To DA. Hs. BY. } FROM R+ LE CANADEL. c. to CJ. BJ. E. c. to RG. X8460 R3/M27.2.26. REAR PETROL TANK COMBINED X.8460 BY CARRIER AND GUARD. X.3701 The large filler and other features of the above on the…

scan0271 Design improvements for petrol fillers and petrol gauges.
View original record To DA. from R. c. to CJ. BJ. c. to BY. Hs. c. to RG. E. X8460 RL/M15.2.26. PETROL FILLERS - PETROL GAUGE. X.3701 X.8460 X.8190 I think N.sch.2100 might be better, thus :- (1) Spring disc fitting…

scan0272 New louvered bonnet and a petrol tank alteration for a 20 HP car.
View original record To BJ. from Hs. c. to BY. c. to CWB. X8460 Hs2/LG19.3.26. 20 HP. CAR. BJS/H18.3.26 - Louvred Bonnet. X8260 We shall have one of the new louvered bonnets fitted to a 20 HP. early next week. We will…

scan0273 Requesting an inspection of a modified petrol tank for the New Phantom.
View original record S/W. Hs. X.8460 CWB7/GM/20-5-26. There are certain features of the latest petrol tank for the New Phantom which have not yet been inspected by Sales. In particular it is understood that the air…

scan0274 Standardisation of a petrol tank with an improved side filler.
View original record RR 755 (10H) (DB130 12-9-24) MS 301225 STANDARDISATION of CHASSIS PARTS. COMPLETED 2.6.26. Date 30.4.26. Drawing No. X No. 8460 Description of Parts: PETROL TANK WITH IMPROVED SIDE FILLER Origin: To…

scan0275 Issues with and improvements to petrol filters for 20 HP and Phantom models.
View original record To BJ. from R. c. to Wor. BY. c. to DA. Hs. EP. 48460 R2/M3.6.26. 20 HP. PETROL FILTRES. X.3701 X.8460 X.5460 X.8190 Referring to your BJ21/E21.5.26, and the choking of the 20 HP. filter every 500…

scan0276 Confirmation of the use of a standardized new type petrol tank for the 40/50 HP C.2 Series.
View original record 40/50 HP. MATERIAL. - C.2.SERIES. I wish to confirm that we shall be using the recently standardized new type petrol tank with the large size filler and R.R. type of petrol level indicator. This had…

scan0277 Air lock issue in the reserve petrol tank of an 11-EX car, requesting a re-test and explaining the starting procedure.
View original record To EN. from Hs. c. to CWB. c. to BJ. c. to Bk. X8460 Hs8/LG25. 8. 26. 11-EX CAR. X8510 L8900 BJ. has sent us a copy of PN1/EN12. 8. 26. We are very interested in your remarks on reserve tank which…

scan0278 Revised design of the 40/50 Luggage Grid for the Phantom.
View original record To BY. from DA. c. to BJ. Hs. X8460 DA1/M28.10.26. 40/50 LUGGAGE GRID. X. 8460 X. 8400 Herewith we send N.Sch. 2286 shewing the revised luggage grid for Phantom, using the existing frames with the…

scan0279 Instructions for chassis modifications, including fitting a new lever cover, petrol tank, gauge, and rear screen.
View original record To Hs. from DA/EV. 78460 DA/EV1/M11.12.26. 10-EX X.8774 As previously mentioned we wish you to immediately modify the chassis at Barkers by fitting the new pendulum lever cover, removing the stepirons…

scan0280 Modification instructions for the 20-gallon petrol tank on 'C2' Series Phantom Chassis.
View original record [Redacted] C. Hs. X8460 BY/HEB9/M.31.1.27. PHANTOM CHASSIS. O/ PETROL TANK - SEC: 7080 [STAMP: RECEIVED] [STAMP: Hs 1 FEB 1927] All 20 Gallon Petrol Tanks for "C2" Series, which have the tap assembled…

scan0281 Insufficient road clearance for 20 HP and 7-EX models experienced on bumpy roads in France.
View original record To Hs. from R. c. to BJ. Wor. c. to DA. BY. +8460 RL/M7. 5. 27. RE. ROAD CLEARANCE. X. 615 X. 8460 X. 5460 This must be reduced over the present 20 HP. and 7-EX. Experience teaches us that these are…

scan0282 Proposal to increase road clearance for Phantom and 20 HP models by modifying the exhaust pipe and rear petrol tank sump.
View original record To Hs. from R. c. to BJ. BY. 78460. R4/M9.7.27. PHANTOM AND 20 HP. ROAD CLEARANCE. X.516 X.5230 X.8230 X.8470 It is proposed to lift up the exhaust pipe somewhat, by flattening it (making it oval…

scan0283 Design of a spare wheel carrier for the tail of the Phantom model.
View original record To DA. from Hs/Rm. X860 Hs/Rm8/LG17.10.27. SPARE WHEEL CARRIER. X8600 We have no doubt that you have carefully considered all the ways and means of carrying the spare wheel in the tail of the car. We…

scan0284 Proposing the cancellation of the standardisation sheet for a larger diameter petrol pipe.
View original record To E. from Hs. c.c. to BA. BY. c.c. to RG. Wor. c.c. to BP. CWB. c.c. to FN. Hm. c.c. to MXe. +8460 HS4/L07.11.27. X8510 43579 STANDARDISATION SHEET - X.3579. LARGER DIAMETER PETROL PIPE.…

scan0285 Telegauge vent pipe issue and experimental tests with Claudel Hobsons.
View original record To DA from Hs/Rn. x8460 Hs/Rml/LG10.11.27. TELEGAUGE. X4038/X8460 With reference to your note re. the vent pipe on the telegauge. Herewith is Claudel Hobsons reply on the points in question. You will…

scan0286 Letter from H.M. Hobson Ltd. regarding the function and potential redesign of the vent pipe on Hobson K-S Telegages.
View original record COPY. Messrs. H.M. Hobson Ltd., 47-55 Acton Vale, London W.3. Messrs. Rolls-Royce Ltd., Derby. Dear Sirs, For the attention of Mr. W. A. Robotham. We beg to thank you for yours of the 7th. Nov. with…

scan0287 Letter discussing a tank unit fitting and the practice of operating a fuel gauge.
View original record contd :- -2- One of customers already uses such a fitting for the complete carrying of our tank unit and vent to his tank, but we have not as yet added the petrol feed service to this fitting. We…

scan0288 Issue of water accumulating in the main petrol tank, which can render the reserve fuel supply inoperative.
View original record S/W. BP. Copy to:- By. Hs. PN. H. Hy X5460 CWB11/GM/16.1.28. WATER IN MAIN PETROL TANK. A disadvantage of the system now fitted to our cars whereby a reserve of some 2 or 3 gallons is made available…

scan0289 Design and functionality of a Hobson petrol gauge, specifically regarding a new balanced pipe unit and tank casting.
View original record To DA: from Hs/Rm. c. to BY. X8400 Hs/Rm2/LG24:7.28. HOBSON PETROL GAUGE. X 4038. We have asked Messrs. Claudel Hobsons to send you details of their latest balanced pipe unit. The main feature of this…

scan0290 The 20 HP petrol filler cap's locking mechanism, comparing it to the Phantom's.
View original record To PN. from Hs. XS460 Hs2/LG2.11.28. 20 HP. PETROL FILLER CAP. X8460 XS460 The 20 HP. petrol filler cap is a similar lock to the Phantom i.e., there is a spring steel plate at the top of the cap which…

scan0291 Incorrectly installed K-S petrol gauge and offering to perform a test.
View original record To Mx. from Hs. +8246 Hs2/LG12.12.28. K-S PETROL GAUGES. X4038 When the Hobson Petrol Gauge expert was here yesterday, we found a car running about in the Test with the petrol gauge on. The rear end…

scan0292 Instructions for fitting K-S petrol gauges to avoid unsatisfactory operation.
View original record RHC. ) AJL. ) FROM Hs/Rm. GWH. ) c. to MX. C O P Y. Hs3/LC24. 9. 28. K-S PETROL GAUGES. These gauges have been behaving unsatisfactorily. There are one or two points which should be carefully observed…

scan0293 Instructions and best practices for operating the Hobson petrol gauge.
View original record To Mx. from Hs/Rm. 48460 Hs/Rm/LG15.1.29 HOBSON PETROL GAUGE. X4038 With reference to Mx/McM10/T7.1.29. We think the instructions in the label are quite good. We think however you should state…

scan0294 Previously rejected petrol tank design matter being submitted to the Design Department.
View original record Pt. c. Hmr. c. Hs. c. EP. c. Whr. c. CWB. Y8460 BY/G.17/1.29. PETROL TANK. Pt.3/EP/29.11.28. We are putting this matter to the Design Department. It has been considered by R. before, but has been…

scan0295 Decision not to alter the clutch and brake pedals for the 'V' series.
View original record V.S470 To CJ. from Hs. c. to BJ. c. to BY. c. to Wor. c. to DA/EV. Hs3/LG22. 12. 24. CLUTCH AND BRAKE PEDALS FOR 'V' SERIES. It has been agreed that we should not alter the pedals for 'V' series. If…

scan0296 Seeking clarification on clutch and brake pedal specifications for 'V' and 'W' series vehicles.
View original record To Hs. from BJ. 48470 BJ6/H29.12.24. CLUTCH AND BRAKE PEDALS FOR 'V' SERIES. Hs3/LG22.12.24. I am not quite clear with regard to your memorandum, and what is your suggestion. Please let us know (a)…

scan0297 Clutch and brake pedal pressures for 'V' and 'W' series vehicles.
View original record X8470 To BJ. from Hs. S E C R E T. Hs1/LG30.12.24. CLUTCH AND BRAKE PEDAL FOR 'V' SERIES. X8470 Referring to your BJ6/H29.12.24. The following are replies to your questions :- (a) With the pedals…

scan0298 Secret memo discussing the clutch pedal pressure for 'V' Series cars.
View original record To Hs. from BJ. BJ9/H13.1.25. X8470 SECRET. CLUTCH AND BRAKE PEDAL FOR 'V' SERIES. Hs1/LG30.12.24. Please let us know whether the car which we tried had a clutch pedal pressure of 46lbs. or 64 lbs.…

scan0299 Complaint about 'V' Series accelerator control wear and proposing modifications.
View original record To Hs. from E. c. to CJ. BY. S E C R E T. +8470 E5/M3.4.25. 'V' SERIES. ACCELERATOR CONTROL. X. 8140 X. 8470 X. 8S240 With regard to the complaint that the accelerator control wears and prevents the…

scan0300 Relative movement and pedal travel of the EAC and 40/50 HP accelerator pedals.
View original record BY/SS. from Hs/Rm. 48470 Hs/Rm3/LG21.425. 40/50 HP. ACCELERATOR PEDALS. V3450 There has recently been some discussion as to the relative movement of the EAC. and 40/50 accelerator pedals. Attached are…

scan0301 Accelerator movements and suggesting alterations to the 'EAC' controls.
View original record X8470 To E. from Hs/Rm. c.c. to BY. c.c. to DA. SECRET. 'EAC' - CONTROLS. Hs/Rm1/LG22.4.25. X.8240 X.8080 X.8470 We have laid out the respective accelerator movements of the EAC. and 40/50. HP. As…

scan0302 Blueprint detailing the mechanics and calculations for an E.A.C. accelerator pedal movement.
View original record MOVEMENT POINT = π x 2.75 x 80 / 360 x 1 / 1.5 = 1.28" ANGULAR MOVEMENT OF LEVER B TO MOVE A THROUGH 1.28" = 72° THIS IS DUE TO TOGGLE ARRANGEMENT RESULTANT PEDAL MOVEMENT 2π x 72 / 360 x 10.1 / 3.475…

scan0303 Blueprint showing the design and calculations for the 40/50 model accelerator pedal linkage.
View original record PEDAL MOVEMENT = 1 x 2.375 / 1.625 x 1.875 / 2.500 x 1.250 / 2.250 x 10.75 / 3.45 = 1.95 1.95" MOVEMENT FULL THROTTLE ·100" THROTTLE MOVEMENT ·100" 40/50 ACCELERATOR · PEDAL MOVEMENT 10.750 3.45"…

scan0304 Modifications to the 'V' Series accelerator pedal control to reduce pedal movement.
View original record TO DA. FROM E. Copy to - HS. Handwritten: 48470 'V' SERIES - ACCELERATOR PEDAL CONTROL. We send you herewith drawing LeC. 2090. shewing the connection from the accelerator pedal to the engine…

scan0305 Motion and design of the 'V' series accelerator pedal.
View original record X. 8470 To BY. from DA. c. to Hs. DA1/M3.7.25. 'V' SERIES ACCELERATOR PEDAL. Referring to the question of the motion of the accelerator pedal on this series, Mr. Royce instructs us not to do any more,…

scan0306 New design for the Phantom accelerator pedal and related complaints.
View original record ts470 NOT. c. Hs. NEW PHANTOM ACCELERATOR PEDAL. x S470 Referring to Da/Ev1/M.21.8.25. and CWB3/LH. 27.8.25, attached to BJ's memo BJ2/H.28.8.25, the position is that we have just received a new…

scan0307 Testing and proposed redesigns of the accelerator pedal for the 'New Phantom' model.
View original record De 48470 To Hs. from BJ. BJ3/H25.9.25. ACCELERATOR PEDAL, 'D' STEERING. 'New Phantom.' We give below a copy of memorandum from CWB. Will you kindly arrange for us to try two further pedals, as…

scan0308 Design and trial of the 'D' Steering and Accelerator Pedal for the New Phantom.
View original record X8470 To BJ. from Hs. c. to DA. Hs2/LG26.9.25. NEW PHANTOM. 'D' STEERING & ACCELERATOR PEDAL. As the design for the accelerator pedal reported on in CWB7/LH24.9.25. was designed by W.W. we have sent a…

scan0309 Confirming the use of a new accelerator pedal with less travel for the 'Y' Series.
View original record X8470 RY./IND. RY. CMB. C. Wd/ Hs. C. Hs. "Y" SERIES. ---------- BY7/H. 20.10.25. I wish to confirm that we shall use the new accelerator pedal with less travel on "Y" Series, that forgings certainly…

scan0310 Various proposed positions for the accelerator pedal on 'W' Series vehicles.
View original record To BY. from DA. c. to CJ. Hs. +8470 DAL/M5.11.25. ACCELERATOR PEDAL - 'W' SERIES. X. 8470 X. 7470 X. 3450 We send herewith N.sch.2078. We have shewn on this the various positions of the pedal which…

scan0311 New accelerator pedal design for the New Phantom, referencing earlier models and suggesting improvements.
View original record HS420 TO B.J. FROM DA/EV. DA/EV1/M18.11.25. Copy to - HS. re. NEW PHANTOM ACCELERATOR PEDAL. We send herewith print of N. sch: 2078. shewing the accelerator pedals of the original Silver Ghost, 'V'…

scan0312 Requesting physical testing of new Phantom accelerator pedals as drawings are insufficient for evaluation.
View original record x8470 -> To Hs. from BJ. Copy to... Da/Ev BJ18/H25.11.25. New Phantom Accelerator Pedal. With reference to Da/Evl/M18.11.25, P.N. and CWB. have carefully examined the drawings, etc., and as it is…

scan0313 Internal memorandum regarding a proposal for a new Phantom accelerator pedal.
View original record COPY. NEW PHANTOM ACCELERATOR PEDAL. from W.W. I have consulted with PN. regarding this proposal We can see no objection to this proposal which is exactly on the lines that we have been urging from…

scan0314 Proposal to fit a rubber upward stop to the accelerator pedal.
View original record X. 8470 To BY. from DA. DA5/M10.2.26. EAC. ACCELERATOR PEDAL STOP. We send herewith N.sch.2142 shewing how we propose to fit a rubber upward stop to the accelerator pedal. On the first car, should the…

scan0315 Request to see a car fitted with new 'B', 'C', and 'D' type Phantom accelerator pedals for final approval.
View original record S/W. HS. from CWB. X8470 CWB5/EP/13.2.26. re:- New Phantom Accelerator Pedal. Reference BJ18/H25.11.25. Are you yet in a position to show us a car with "B", "C" and "D" pedals in accordance with the…

scan0316 Instructing that new clutch pedal leverage with stiffer shafts and levers has been ordered for all cars.
View original record Hs. C. Mr. Blatch. C. Mr. Booth. C. Mr. Davis. BY6/W.28.2.25. X8470 CLUTCH PEDAL LEVERAGE. We have instructed the new leverage to be ordered up with stiffer shafts and levers, for all cars. If you…

scan0317 Standardisation of chassis parts concerning the modified position of accelerator pedals for 'B', 'C' & 'D' steering.
View original record STANDARDISATION of CHASSIS PARTS. COMPLETED / 12.3.26 Description of Parts: MODIFIED POSITION OF ACCELERATOR PEDALS FOR 'B' 'C' & 'D' STEERING. Origin: To make more comfortable to operate. Date:…

scan0318 Diagnosing the cause of a sticking accelerator pedal on car 11-EX, which was a tight exhaust butterfly valve.
View original record 48470 PN3/DN2.9.26. TO Hs. c. to BJ, H, CWB & Br. FROM P.N. Your Hs3/LG1.9.26. It was found with 11-EX that the sticking accelerator-pedal, which of course is quite equivalent to a sticking throttle,…

scan0319 With a handwritten note concerning the comfort of operating pedals.
View original record Hs +8470 By 8th February 1927 Hs 2047. RECEIVED 8 FEB 1927 LETTERS FOR ATTENTION. Whr/Ro24/WP7.2.27 Re:- Comfort of Operating Pedals. D/L. 9.a.m. Hs I have not appreciated this need of the foot rest…

scan0320 The comfort of operating pedals.
View original record S/W. Whr/Ro24/WP.7.2.27. 2047 Re: Comfort of Operating Pedals We attach original memo Pt5/FM.29.12.26. As this is a technical matter please write direct to Pt. forwarding us a copy for our reference.…

scan0321 Suggestion for a footrest for the accelerator pedal to improve control on poor road surfaces.
View original record Whr. London. In regard to the control on our cars, a feature which would be much appreciated by drivers in this country would be some form of foot rest for the foot operating accelerator pedal,…

scan0322 Short memo confirming the fitting of part 78-SC to a shortened 'D' column.
View original record To Sg. from Hs/Rn. x8470 Hs/Rn2/LCl.4.7.27. x8430 SHORTENED 'D' COLUMN. With reference to Sg4/M13.7.27. We will fit up 78-SC as suggested. Hs/Rn.

scan0323 Request to the Pattern Shop to create blocks and a board for the pedals of chassis 78-SC.
View original record X8470 To Mr. Walker (Pattern Shop) from Hs/Rm. Hs/Rm3/LG14.7.27. X8470 Will you please make 3 blocks 1 1/4" deep to fit on the pedals of chassis 78-SC, and also a piece of board to go under the pedals…

scan0324 Noting that suggested pedal modifications for car number 78-SG have not been completed.
View original record S/W. X 8470 CAR NO. 78-SG. Sg/Hn22/EDI/8. 8. 27. Hs/Rm2/LG14. 7. 27. This car, as you probably know, is back in London, but we cannot see that the pedals have been packed up or the pedal plate packed…

scan0325 Parts for car no. 78-SC that were not sent from the Works and a note on the function of a pedal plate.
View original record To Sg/Hn. from Hs/Rm. 48470 Hs/Rm7/LG10.8.27. CAR NO. 78-SC. X8950 With reference to Sg/Hn22/EDL/8.8.27. We find that the pieces we made for this car were not sent down with it when it left the Works.…

scan0326 Driver feedback on the difficulty of reaching the clutch pedal and a suggested modification.
View original record Hms. Derby. Ft.5/FM-16/8/27. C. to Hs. Derby. E.F. Derby By. Derby Whr. London G.H.D. London. Several owners and drivers here have excused themselves for bad gear changing by raising an objection to…

scan0327 Driver ergonomics, specifically pedal and seat positioning to accommodate drivers of different heights.
View original record X8470 Pt Australia c. to Hs C. to By c. to W/S Whr & CWE Hm/NRC20/MW20/9.27 PEDAL & SEAT POSITION In reply to your Pt5/EM16.8.27, we consider that inability to reach easily the clutch pedal is an…

scan0328 The features to be fitted to the first car of the Sports series EAC.14.
View original record To BY. from DA/EV. c. to Hs. BJ. +8470 EV1/M13.10.27. RE. SPORTS PHANTOM X.8774 X.8470 X.8430 X.8500 X.4556 We send herewith N.sch.2484 showing the following features which we wish to be fitted to the…

scan0329 Chassis modifications for the Sports Phantom, including changes to the dash, radiator, and bonnet.
View original record 48470 Hs. from R. c. to BJ. BY. Da. c. to SG. R9/M20.10.27. SPORTS PHANTOM. X. 8774 X. 8830 X. 8250 X. 8500 It is understood that the chassis for this will have the slight modifications that were…

scan0330 Modifications to the petrol tank, friction shock damper, and exhaust pipe.
View original record BY. from DA. c. to BJ. Hs. X8470 DAL/M29.10.27. EAC.14. PETROL TANK ETC. X. 8470 X. 4058 Herewith we send N.sch.2497 shewing the modifications to the petrol tank, such as the filler brought outside…

scan0331 Modifications to clutch couplings and associated parts for the 'V' and 'W' series.
View original record N8480 Sft. CWD. O.Hd. c.Hs. ---------- BY4/H. 13. 1. 25. ------------------- CLUTCH COUPLINGS. "V" SERIES. ----------------------------- We have to-day received from West Wittering the fabric…

scan0332 List of questions seeking further particulars regarding the EAC Clutch.
View original record Mr. Lidsey from Hs. 42480 Hs/LG16.1.25. E. A. C. We should like further particulars as regards the EAC. Clutch. (1) What is the correct position for the clutch pedal? (2) Does it have to be set lower…

scan0333 Difficulties with clutch clearance and a comparison of the EAC 'V' Series, 20 HP, and Hispano clutches.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. 18280 REF Hs3/LGS.2.25. To R. from Hs. c. to CJ. SJ. c. to E. DA. c. to BY. RG. c. to Wor. S E C R E T. EAC. 'V' SERIES CLUTCH.…

scan0334 Comparative table of clutch and pedal movement details for Hispano, E.A.C., and 20 HP models.
View original record CLUTCH AND PEDAL MOVEMENT DETAILS. DETAILS. | Hispano. | E.A.C. | 20 HP. Mean friction disc radius. | 5.91 | 5.95 | 4.72 Max. B.M.E.P. (lbs.sq.in.) | 112 | 105 | 90 Max. clutch torque (lbs.ft.) | 302…

scan0335 The results of tests conducted on 'B' type pedals.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. -1- Expl. No. REF: TESTS OF 'B' TYPE PEDALS. A pressure of 48 lbs. was assumed as the load on the clutch pedal at a radius of 13.450"…

scan0336 Page with data tables and a diagram illustrating clutch pedal movement, plate movement, and pedal deflection.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -2- EXPERIMENTAL REPORT. Expl. No. REF: Table 1. Pedal movement. | Plate movement. | Pedal movement. | Plate movement. 0 | 0 | 2.5" | .033" .5" | .002" | 3.0"…

scan0337 The deflection of pedal components and shafts.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. REF: Fig.111. Rod to indicate clamped to brkt. on Cross member. The deflection of the pedal shaft brackets were then taken and…

scan0338 The deflections of a clutch operating shaft and associated levers under various applied loads, including a data table.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. -4- Expl. No. REF: The clutch operating shaft was then fixed upon a large bed-plate with bearings as in the clutch casing. The bearings…

scan0339 Analyzing pedal deflection and lost movement in a clutch operating system, including a diagram.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. -5- Expl. No. REF : .011" + .142" + .003 + .0025 = .158". This equal a lost movement at end of pedal plate of .810" and due to the pedal…

scan0340 The deflection and twisting of a lever and shaft assembly.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. -6- Expl. No. REF: scribed lines was very small, whilst there was a big difference in the two scribed lines at the pin end of the lever.…

scan0341 Unsatisfactory exhaust noise and proposed modifications to the silencer and cutout.
View original record 78490 To Hs. from R. c. to CJ. c. to BY. c. to E. c. to EP. S E C R E T. R9/M23.10.24. EAC.3 & 2. EXHAUST X.8230 X.9230 X.8490 This is the type that is hardly satisfactory in the exhaust (not EAC.2 as…

scan0342 Drawings and design modifications for a 'V' Series rear exhaust silencer and cut-out.
View original record 48490 To BY. from E. c. to CJ. HS. S E C R E T. E3/M7.1.25. E. A. C. RE. 'V' SERIES REAR EXHAUST SILENCER AND CUT-OUT. X.8230 X.8490 We send you herewith drawings LeC.1970/1., dealing with the above.…

scan0343 Failure of torsion springs on an exhaust silencer cutout and a proposed modification.
View original record X. 8490 To R. from E. c. to CJ. HS. S E C R E T. E4/M17.3.25. E. A. C. EXHAUST SILENCER CUTOUT 'V' SERIES. X. 8490 We send you herewith blue print of Sch.626 dealing with the above. The torsion…

scan0344 Issues with leaky exhaust cutout valves on the New Phantom.
View original record R.R. 493A (50 H) (D.D. 31. 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. +8490 REF: Hs/AJL1/LG161025 To R. from Hs/AJL. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. NEW PHANTOM EXHAUST CUTOUT.…

scan0345 Design scheme for a New Phantom exhaust cutout.
View original record X. 8490 To Hs. from R. c. to CJ. BY. R5/M19.10.25. NEW PHANTOM EXHAUST CUTOUT. Referring to your Hs/AJL1/LG16.10.25., I am in favour of making this positive in both ways, as lately schemed. R.

scan0346 Issue of the 'Phantom' exhaust cut-out burning the leather cover on the rear brake adjustment and proposing potential solutions.
View original record By. C. to Hs. X8490 Hm/NRC4/EW28.10.25. "Phantom" Exhaust Cut-Out. We have had a number of cases of the leather cover over the rear brake adjustment being burnt away by the Cut-out, and so far as we…

scan0347 Standardisation of chassis parts for the cutout operating mechanism.
View original record RR 755 (10H) (SL391 2-11-23) MP 281297 4S490 COMPLETED 23.12.25 STANDARDISATION of CHASSIS PARTS. Date 10.12.25. Description of Parts. CUTOUT OPERATING MECHANISM. Origin. To improve reliability.…

scan0348 Sticking Phantom Cutout valve, proposing design modifications and material changes to prevent jamming.
View original record To Hs. BY. DA. } FROM R. c. to CJ. BJ. c. to RG. Wor. c. to E. PN. 18490 RL/M15.3.26. PHANTOM CUTOUT. X. 8490 X. 8992 Our cutout on 7-EX stuck slightly open, .08 about and made a slight extra noise.…

scan0349 Feedback on instruments, instrument boards, and petrol gauges for Phantom and India models.
View original record Hs. To BY. FROM R. DA. LE CANADEL. c. to CJ. BJ. LHS. c. to E. RG. PN. Wor. 48490 R1/M16.3.26. PHANTOM AND INDIA INSTRUMENTS ETC. X.5530 X.3896 X.8530 X.8490 INSTRUMENTS. I am very pleased with these…

scan0350 Simplification of the cutout control on the Phantom chassis.
View original record X8490 TO BY. FROM DA. C. to BJ. HS. Da2/M29.6.26. PHANTOM CUTOUT - X.8490. It is desired to simplify the cutout control on the present Phantom chassis, and we send herewith N.S. 2216, shewing the…

scan0351 Enclosure of a new schedule for bronze bushes to be used in the cast iron cutout nozzle for the Phantom exhaust.
View original record To BY. from DA. c. to BJ. Hs. X.8740 X8490 DA1/M16.7.26. PHANTOM EXHAUST CUTOUT. Replying to BY/CGH6/H12.7.26., we enclose N.sch.2237 shewing bronze bushes in the cast iron cutout nozzle. We suggest…

scan0352 Investigation and proposed modifications to the exhaust cutout system for the Phantom model.
View original record To BY: from Hs/GWH. c. to Wor. c. to De; X8490 Hs/GWH1/LG13.1.27. RE. EXHAUST CUTOUT. X8490 77490 ARRGT. E.7469 - PHANTOM. We have investigated the cutout system and are of the opinion that the rear…

scan0353 Design modification to the Phantom exhaust cutout system.
View original record X. 8490 To BY. from DA. c. to Wor. Hs/GWH. DA1/M15.1.27. PHANTOM EXHAUST CUTOUT. Referring to Hs/GWH/LG13.1.27., we sent through a design - N.sch.2216 - about the end of June 1926., in which the front…

scan0354 Phantom exhaust cut-out and an improved silencer operating scheme.
View original record RECEIVED [STAMP: Hs 17 JAN 1927] De. Hs. [Struck through] X8480 BY2/H. 17.1.27. c. Hs/GWH. PHANTOM EXHAUST CUT-OUT. X7490 -------------------------------- Referring to Dal/M.15.1.27. the improved…

scan0355 The standardization and modification of the Phantom exhaust cutout.
View original record To DA. from Hs. X8490 Hs1/LG17.1.27 PHANTOM EXHAUST CUTOUT. X7490 With reference to DA1/M.5.1.27. The new Phantom exhaust cutout to N.sch.2216 has been standardised but it will be 2 or 3 months before…

scan0356 Damage to the new tubular rod cut out control on the New Phantom chassis by coachbuilders.
View original record S/W. Hs. Copy to:- EP. X8490 OWB13/GM/27.1.27. CUT OUT CONTROL NEW PHANTOM. We are already delivering finished cars, the chassis of which are fitted with the new tubular rod cut out control. Whilst…

scan0357 Control for the exhaust cutout and suggesting its rod be removed during coachbuilding to prevent damage.
View original record To CWB. from Hs. c. to EP. X8490 Hs2/LG28.1.27. CONTROL FOR EXHAUST CUTOUT. X8260 We consider it is asking too much to expect the designers to alter the design of the cutout mechanism in order to…

scan0358 The control for the exhaust cut-out and securing the control rods during chassis transit.
View original record S/W. BP. Copy to: Hs. 78490 Hs. CWB1/GM/1-2-27 Control for exhaust cut out. You will have received a copy of Hs2/LG28127. Would you please see if you can find some satisfactory method of attaching…

scan0359 Procedures for the exhaust cutout control after chassis testing and inspection.
View original record W/S CWB (struck through) c. Hs. c. BY. X.8490. EP9/H2.2.27. Stamp: RECEIVED FEB 3 1927 Hs re. CONTROL FOR EXHAUST CUTOUT. ------------------------- With further reference to the above, and your…

scan0360 Continued memo discussing the satisfactory method of attaching rods to the chassis.
View original record EP9/H2.2.27. (Continued). In regard to your query as to a satisfactory method of attaching these rods to the chassis, the only satisfactory way, if it is decided to do anything in this direction, will…

scan0361 Delivery policy of 40/50 HP chassis with detached exhaust cutout rods to coachbuilders.
View original record COPY. (S) W/S Sg. C. Mx C. EP BY1/H.1.1.27 40/50 HP Chassis. Exhaust Cutouts? With reference to Sg12/M.29.12.26. the reply given in our previous memo was made after full consideration of the matter…

scan0362 Advising against delivering a chassis with detached rods, but deferring to the Sales department's instructions.
View original record Top paragraph (Original document): We are definitely against delivering chassis with the rods in question detached and tied to one of the cross members, but if Sales still wish that this should be…

scan0363 Policy for delivering chassis with connected or disconnected exhaust cut-out control rods.
View original record HS X 8490 CWB2/GM/7-2-27. S/W. Copy to:- Hs. By. PN. Sg. CONTROL FOR EXHAUST CUT OUT. I am absolutely in sympathy with the general principle that chassis should not be delivered in an incomplete…

scan0364 Standardisation of the exhaust cutout and controls to simplify the design and prevent rattling.
View original record RR 755 REVISED (10H) (DE 444 6-10-26) BM. 48490. COMPLETED 10.3.27 STANDARDISATION of CHASSIS PARTS. Date 23.12.26 Description of Parts: EXHAUST CUTOUT AND CONTROLS. Origin: To stop valve from…

scan0365 Costs and implementation for the standardization of chassis parts.
View original record STANDARDISATION of CHASSIS PARTS. (1) The number of the first chassis on which the new part will be fitted. D.2 Series. (2) Date when the chassis will be handed to test. 14.5.27. (3) Cost of scrapped…

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