Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Proposed modification drawing for the Phantom II Air Silencer. | ||
| View original record | HS. FROM E. Copy to SG. Copy to WOR. Copy to BY. PHANTOM 2. AIR SILENCER. We have a drawing in hand of proposed modification to the above. E1/M2.1.30. x7080. E. | ||
| Scan002 | Proposing a change from a single to a double guide for the Phantom radiator shutter thermostat bellows. | ||
| View original record | FROM E. C. to SG. [crossed out] C. to BY. [crossed out] C. to HS. X7250. [handwritten] ORIGINAL [stamped] E3/M2.1.30. x3499 [handwritten] x7250. [handwritten] re. PHANTOM RADIATOR SHUTTER THERMOSTAT.… | ||
| Scan003 | Rear spring clips striking the frame and a proposed modification to increase clearance. | ||
| View original record | BY. ) FROM DA. HS. ) LP. ) ORIGINAL DA1/M4.1.30. REAR SPRING CLIPS. X1333 We understand that tests over rough roads have demonstrated that the nuts of the clips holding the rear springs to the axle… | ||
| Scan004 | Lack of lateral adjustment for 20HP rubber-mounted engine feet and proposed solutions. | ||
| View original record | K. FROM E. Copy to SG. Copy to BY. Copy to HS. 20HP. RUBBER MOUNTED ENGINE FEET. In connection with the above a difficulty has arisen in that no adjustment was provided laterally for engine… | ||
| Scan005 | Clarifying an error in the proposed letter-based nomenclature for new steering column options on long chassis vehicles. | ||
| View original record | -BY. FROM DA/EV. C. to SG. C. EX. C. to HS. -MR. re ORIGINAL LONG CHASSIS. DA/EV7/M6.1.30. X5770 X5430 We regret that we made an error in conveying to you SG's suggested nomenclature of the new… | ||
| Scan006 | Design for conveying pressure oil to the rear axle via a coil spring and shackle pin. | ||
| View original record | R.Y. FROM DA. Copy to S.G. Copy to HS. ORIGINAL DA2/M7.1.30. x3806. x840. CENTRALISED CHASSIS LUBRICATION. CONVEYING OIL ON TO THE AXLES. We send herewith N. sch. 3007. shewing a method of conveying… | ||
| Scan007 | Requesting a print of drawing LeC. 2780 for an expanding carburetter with a fixed throat for the Phantom II. | ||
| View original record | PY. [crossed out] FROM E. C. to S.R. [crossed out] HS. ORIGINAL [stamped] E2/M9.1.30. x7080 [handwritten] RR. EXPANDING CARBURETTER WITH FIXED THROAT - PHANTOM 2 The number for the above drawing left… | ||
| Scan008 | Options for conveying oil to the axles for centralised chassis lubrication. | ||
| View original record | Pf. FROM DA. Copy to SG. Copy to HS. ORIGINAL DA1/M10.1.30. x3806 x1148. CENTRALISED CHASSIS LUBRICATION. CONVEYING OIL ON TO THE AXLES. We send herewith N. sch. 3008. shewing the pipe coil for… | ||
| Scan009 | Alternative method for spring lubrication via an annulus inside the pins for a centralised chassis lubrication system. | ||
| View original record | ORIGINAL FROM DA. DA3/M10.1.30. C. to HS. CENTRALISED CHASSIS LUBRICATION. V3806 x840 x1148 We send herewith N. sch. 3011. shewing an alternative method of conveying oil for the spring lubrication by… | ||
| Scan010 | Specifications for the Experimental Continental Touring Car on a short chassis. | ||
| View original record | FROM DA. C. to HS. ORIGINAL DA4/M10.1.30. EXP. CONTINENTAL TOURING CAR - SHORT CHASSIS. x7/20. We send herewith N. schs. 3000/1. shewing the proposed exp. touring car. N. sch. 3000. is 1/16th scale… | ||
| Scan011 | From 'R.' (Royce) discussing the development of a silent, easy-to-change 4-speed gearbox using a Salerni coupling. | ||
| View original record | FA/HDY. ) FROM R. F. HS. ) At Le Canadel. C. to SG. WOM. BY. CAR CHANGE SPEED GEAR. [STAMP] ORIGINAL RS/W13.1.30. [Handwritten] v 523. x 7310. x 5310- x 4510. I have asked Mr. Hardy to see if he can… | ||
| Scan012 | Summary of a discussion on gearbox performance, gear changing, and silence. | ||
| View original record | W. FROM DA/HDY. C. to SG. WCR. G. C. to PN. FWG. C. to HS. BM DA/HDY1/H15.1.30. XSZ3. X7310 XS310. V2061 GEARBOX. CHANGING & SILENCE. I discussed the gearbox situation with C. CX. and H. on Friday the… | ||
| Scan013 | Gearbox noise and comparisons with Armstrong-Siddeley, Graham-Paige, and Chrysler vehicles. | ||
| View original record | (2) SILENCE. No complaints are made at present by customers about the noise made by our gearboxes. HS. remarked that the best of our gears were quiet enough to be considered almost inaudible, and that… | ||
| Scan014 | Comparing the noise levels of various gearbox designs based on pitch speed and load calculations. | ||
| View original record | R. FROM DA/HDY. (held up). Copy to - HS. Copy to - DA. (text struck through) ORIGINAL (stamped) GEARBOX. SILENCE. DA/HDY1/M20.1.30. v2061 (handwritten) x7310 (handwritten) x5310 (handwritten) x523… | ||
| Scan015 | Proposal regarding the 20HP hypoid rear axle, to enable the pinion to be withdrawn for inspection without disturbing the gear. | ||
| View original record | BY. [struck through] FROM DA. C. to SS. HS. G. to RHG. [struck through] ORIGINAL DAL/M21.1.30. x2066 x535c 20HP. HYPOID REAR AXLE. We have looked into the question of enabling the hypoid pinion to be… | ||
| Scan016 | With diagrams detailing modifications to the Phantom II Invar piston for improved flexibility and fit. | ||
| View original record | HS. FROM E. ORIGINAL. PHANTOM 2. INVAR PISTON. We note from your reports that these pistons are likely to give as much trouble as cast iron in respect to precision of fit unless some flexibility is… | ||
| Scan017 | Blueprints and a model of a blower from Powerplus Co. for a compression ignition engine. | ||
| View original record | BY. FROM E. Copy to SG. Copy to F. Copy to HS. ORIGINAL EL/M25.1.30 x4433 COMPRESSION IGNITION ENGINE. In reply to your memo. BY/CGH6/G23130., the address of the Powerplus Co. is 329 High Holborn.… | ||
| Scan018 | Two proposals for modifying the increased charge switching system and its potential issues. | ||
| View original record | EFC. FROM E. C. to SG. HS. DY. [Strikethrough] ORIGINAL INCREASED CHARGE SWITCHING. E2/M25.1.30. X7730. Thank you for your memo. EFC1/AD18130. Your proposal for modifying the switchbox, for the scheme… | ||
| Scan019 | Trial of a 20/60 Vauxhall, analyzing modifications made to eliminate radiator wobble and improve engine smoothness. | ||
| View original record | HS. FROM E. C. to SG. R. (held up) C. to WOR. DY. DA. ORIGINAL E2/M27.1.30. x7250 x3995. x H57. re. RADIATOR WOBBLE AND ENGINE SMOOTHNESS. Yesterday (Sunday) I made a short trial of the latest 20/60… | ||
| Scan020 | Modifications to the Phantom II Air Inlet Silencer to reduce power loss. | ||
| View original record | ORIGINAL EX. FROM E. (EX. is crossed out) Copy to SG. (SG. is crossed out) Copy to HS. E2/M28.1.30. x7080. PHANTOM 2. AIR INLET SILENCER. We send you herewith a blueprint of LeC. 2786. shewing the… | ||
| Scan021 | Ongoing experiments and potential solutions for the radiator shimmy problem. | ||
| View original record | K. FROM DA. (held up.) C. to SGS WOR. C. to HS. DY. E ORIGINAL DAL/M29.1.30. x457 x7250 x7380 RADIATOR SHIMMY. The lines on which we are working on this problem are, stiffening the front end of the… | ||
| Scan022 | The necessary modifications to accommodate a spare wheel carrier for 7' section tyres. | ||
| View original record | ORIGINAL. From Da. c. to Hs. Da.1/MJ.3.2.30. SPARE WHEEL CARRIER FOR 7" SECTION TYRES. x7600. x7460. x7380. We have looked into this question and it appears that it will be necessary to move the top… | ||
| Scan023 | Proposal to increase the thickness of Ferodo lining on rear brake shoes for the 20 HP 10,000-mile test. | ||
| View original record | BY From Da. c. to Hs. Da. 2/MJ.G. 2. 30. Y5480 X7360 X5360 ORIGINAL 20 HP. for 10.000 Mile Test. REAR BRAKE SHOE LININGS We wish to increase the thickness of the Ferodo lining on the rear brake shoes… | ||
| Scan024 | Suggesting modifications to the clutch for a 20 HP 10,000-mile test vehicle. | ||
| View original record | From Da. c. to Hs. ORIGINAL Da.1/WJ.6.2.30. 20 HP. for 10,000 Mile Test. CLUTCH. X 5840 X5300 We wish to increase the load of the clutch springs to compensate for the increase of torque with the… | ||
| Scan025 | Design considerations for the revised bonnet and dash on the Phantom II model. | ||
| View original record | ORIGINAL TO SG. FROM EV. COPY TO W. HS. RE REVISED BONNET AND DASH. PHANTOM 2. We agree that the Segrave bonnet and dash were not a success. We thought that the radiator with the shallowed top tank… | ||
| Scan026 | Modifications to radiators and bonnets, referencing the 'Segrave Experiment'. | ||
| View original record | EV-/10.2.30. cont. Coachbuilders are always bringing this feature to our notice, and so are Paris and Spain. It is the reason which leads our customers to demand higher radiators. We cannot agree to… | ||
| Scan027 | 'The Gearbox Problem', reviewing existing solutions and outlining requirements for a new, improved design. | ||
| View original record | FR. (E.)) FROM R. BY. /HS.) (At Le Canadel.) C. to EG. WOR. RO. C. to C. CE. MI. CLAREMOND. THE GEARBOX PROBLEM. I have the impression that some definite progress will be made this year, and… | ||
| Scan028 | Gearbox and clutch design options, including freewheeling, servo drives, and various braking systems. | ||
| View original record | (2) (d) Then comes the reverse unit which is positive by jaw clutches, preferably of epicyclic type. (e) Servo drive (always connected with the car.) I think the gears as shewn in sketch 1. are… | ||
| Scan029 | Proposed new gearbox design, referencing sketches and patentable claims. | ||
| View original record | (3) With the gear shewn (sketch 1.) there is no need of through drive clutches, either friction or jaw type, until we come to the top gear, which usually presents no difficulties, and a jaw clutch can… | ||
| Scan030 | Sketch and description of a change speed lever mechanism with synchro mesh equivalent control. | ||
| View original record | SKETCH 7 Control equivalent to synchro mesh. Change speed lever. 2nd 1st. direct. 3rd. behind 1st. Interlock plate under here as usual. Change speed lever working the brakes for the annuli direct.… | ||
| Scan031 | Sketch diagram of a double pawl and brake mechanism for a gearbox, possibly related to a synchro-mesh or Salerni system. | ||
| View original record | SKETCH 6. Before the pawls are engaged a light brake is put upon the annulus. Reverse. 1st. & 2nd. Annuli. Fixed on box. Actuating shaft. This shews the double pawls equalised (balanced) and… | ||
| Scan032 | Sketch of a brake and pawl mechanism, viewed from the engine backwards. | ||
| View original record | LOOKING FROM THE ENGINE (BACKWARDS.) SKETCH 5. Fixed stops. 1st. always thus, 2nd. & 3rd. sometimes thus, & sometimes thus. Also 3rd. must be held by the pawls positively from moving backwards. Light… | ||
| Scan033 | Hand-drawn sketch with notes for a self-wrapping drum brake design. | ||
| View original record | SKETCH 4. Car floor can be near. Hand adjustment for wear. Like a valve spring with piston like guide. Release rod. Fixed. Fixed. About 110°. Brake pressure 4 times this rod tension plus self lapping… | ||
| Scan034 | Suggested design for a 3rd speed brake system, with a self-servo one-direction brake. | ||
| View original record | SUGGESTED BRAKE DESIGN IF 3rd. SPEED HAS BRAKE ONLY (NO PAWLS.) LOOKING FROM ENGINE. SKETCH 3. Self servo one direction brake for 3rd. speed. With or without flexible joint here. Balanced brake for… | ||
| Scan035 | Sketch diagram illustrating the operation of a through-drive jaw clutch and cam-based gear selection mechanism. | ||
| View original record | SKETCH 2. TO DASHBOARD. The operation of through drive jaw clutches seemed to present difficulties until I thought of using the shaft direct and not referring to the usual sliders. 2nd. & 4th. 1st. &… | ||
| Scan036 | Schematic diagram and description of a servo-controlled, multi-speed gearbox with a reverse unit. | ||
| View original record | SKETCH 1. Reverse unit, hold this - anchored by friction brake and pawls. Direct & indirect clutch control. Servo. 1st. 2nd. 3rd. Car drive. Serrated. Forward drive. Reverse. Direct. Indirect. Reverse… | ||
| Scan037 | Specifications for hydraulic jacks for the Phantom II and 20/25 HP chassis. | ||
| View original record | TO HS. FROM EV. EV2/11.2.30. x3175. Y4080 x3117. COPY TO FH. ORIGINAL RE HYDRAULIC JACKS FOR PHANTOM 2. The C.S.C. are anxious to have a hydraulic jack to offer to customers and they have asked me to… | ||
| Scan038 | Design improvements for the Phantom II, including the rear chassis, petrol tank, petrol gauge fitting, and rear grid. | ||
| View original record | ORIGINAL TO ST. FROM EV. COPY TO HS. [REDACTED] REAR OF PHANTOM 2. +7400 +7460. Some little while ago we were expressly asked by SG. to improve the rear of the P.2. chassis when two wheels were always… | ||
| Scan039 | Unseen modifications to the engine foot and dashboard for the 20/25 model improvements. | ||
| View original record | HS. From E. c.c. to Rg. BY. c.c. to Da. ORIGINAL Re. 20/25 IMPROVEMENTS. It occurs to me that although the 10,000 miles test has been started, we have never yet seen the modified design of the engine… | ||
| Scan040 | Suggesting a modification to the rear brake lever on a 20 HP car to reduce direct braking for a 10,000 miles test. | ||
| View original record | BY. From Da. c. to Hs. Da.3/MJ.6.2.30. x 5840. +5360. ORIGINAL 20 HP. CAR FOR 10,000 MILES TEST 25%. We wish to reduce the amount of direct braking We suggest this should be done by reducing the… | ||
| Scan041 | Suggesting the thickening of front brake shoe linings for the Phantom II and 25 HP models. | ||
| View original record | To ~~Bf.~~ From Da. c. to Hs. x5360 x7360 With further reference to our Da. 2/MJ.6.2.30. We think an early opportunity should be taken of thickening the front brake shoe linings of both the Phantom ll… | ||
| Scan042 | Five design schemes for stiffening the front end of the Phantom II frame. | ||
| View original record | To BY. From Da. c. to Hs. RH ORIGINAL. Da.1/MJ. 24.2.30. STIFFENED FRONT END OF FRAME. PHANTOM 11. x7380. Herewith are five drawings in connection with the permanent application of increased stiffness… | ||
| Scan043 | The specifications for bumper pads on dumb irons, including approved alterations. | ||
| View original record | To BY. From Da. c. to HS. ORIGINAL Da.1/MJ.10.3.30. BUMPER PADS ON DUMB IRONS. filed X4522 Herewith we send N.Sch.3044 and 3045 shewing the pads for bumpers applied respectively to the front and rear… | ||
| Scan044 | Clearance issues with the Excelsior Damper on a Phantom II model. | ||
| View original record | PY. from DA. c. Hs. ORIGINALX DA7/G.11.3.30. X 7420. X832 EXCELSIOR DAMPER ON PHANTOM 11. Referring to N. Sch. 3048 - Excelsior Damper on Front Axle, we see on further examination of the drawing that… | ||
| Scan045 | New damper springs for the Phantom II clutch. | ||
| View original record | Dr. from DA. c. Hs. ------------ ORIGINAL. PHANTOM 11 CLUTCH. --------------- Herewith we send N. Sch. 3055 shewing two damper springs of increased strength for the above clutch, which R. wishes to… | ||
| Scan046 | Confirming the handover of schedule 3055 for a three-point engine suspension experiment. | ||
| View original record | DY. from DA. c. to Hs. ORIGINAL P II ? DA15/G.11,3.30. THREE POINT ENGINE SUSPENSION EXPERIMENT. A7005- This is to confirm having handed to you this morning N. Sch. 3055, fixing for the cross bar at… | ||
| Scan047 | Options for sourcing and modifying a car body for the first experimental Phantom II chassis. | ||
| View original record | ORIGINAL TO WHR. FROM EV. COPY TO CLARIDGE, HS. HN. RE FIRST EXPL. PHANTOM 2. for R.H.A.I. SECRET x7772 x7830 We note that a body for the above car is need for mounting on April 3rd. If Sales can find… | ||
| Scan048 | Salerni coupling control rod, its load capacity, and a proposed modification. | ||
| View original record | FROM DA c. Hs. ORIGINAL X4510 DA9/G.13.3.30. SALERNI COUPLING. Herewith is N. Sch. 3065 giving particulars of the control rod between the clutch pedal and the coupling lever. We have reckoned on a… | ||
| Scan049 | 'Jellying Experiment' for a three-point engine suspension, requesting a print to be made for a temporary front support. | ||
| View original record | ORIGINAL Dr. from DA. [Dr. is struck through] c. Hs. DA8/G.13.3.30. x457. x700S. JELLYING EXPERIMENT - THREE POINT ENGINE SUSPENSION. Herewith N. Sch. 3057 shewing a temporary front support for the… | ||
| Scan050 | The proposed modified bonnet, radiator, and dash for the Phantom II and 20/25 HP models. | ||
| View original record | TO HN. [crossed out] FROM EV. ORIGINAL EV1/ 14.3.30. Hs. x7260. x7250 7500 7830 x7770 RE PROPOSED MODIFIED BONNET RADIATOR & DASH. P.2. We thank you for your Cx/HnI8/EDI/I-3-30. re the above. You will… | ||
| Scan051 | Material specifications for the Phantom II clutch driven member. | ||
| View original record | Br. from DA. ORIGINAL c. Hs. ----------- DA1/G. 17.3.30. x7480 PHANTOM II CLUTCH - FERODO ON THE DRIVEN MEMBER. ------------------------------------------------- With reference to the above… | ||
| Scan052 | The arrangement of a backing light switch for the L.H.S.S. gearbox and its adaptation for a new suspension. | ||
| View original record | ~~DV from~~ DA. c. Hs. ----------------- DA3/G.17.3.30. BACKING LIGHT SWITCH FOR L.H.S.S. --------------------------------- Herewith is N. Sch. 3066 shewing how we suggest this switch should be… | ||
| Scan053 | New single-point radiator suspension for the 10,000-mile car. | ||
| View original record | BY from DA. c. Hs. c. DHC. ORIGINAL DA4/G.24.3.30. Y7250. RADIATOR SUSPENSION. Herewith N. Sch. 3059 shewing the single point radiator suspension intended for the 10,000 mile car. A new bottom tank is… | ||
| Scan054 | Withdrawing a signature for the standardisation of K.1 K.L.G. plugs for the 20 HP model. | ||
| View original record | To Hs. From E. C. to Hy. ORIGINAL. E.1/MJ.24.3.30. X1918 RE. IMPROVED K.1 K.L.G. PLUGS FOR 20 HP. When signing a standardisation sheet for the above I did not realise that these were the plugs with… | ||
| Scan055 | Modifications to the L.H.S.S. front axle lubrication system. | ||
| View original record | DY. from DA. [DY. is crossed out] c. Hs. ORIGINAL. L.H.S.S. FRONT AXLE LUBRICATION. DA1/G. 26.3.30. X7772 [handwritten] Connecting the axles to the centralised lubrication system requires a… | ||
| Scan056 | Arrangement of doors and lever modifications for a 20/25 HP chassis for R.R.A.I. | ||
| View original record | WOR from DA. c. Hgs. c. Ws. c. DV. c. Hs. ORIGINAL. x7))2 DA1/G. 25.3.30. 20/25 HP. CHASSIS FOR R.R.A.I. -------------------------------- Referring to WOR7/T.24.3.30, something can be done with the… | ||
| Scan057 | Issues and potential solutions for the 20/25 HP chassis exhaust system. | ||
| View original record | ORIGINAL To. Rg. from DA. c. E. c. BY. c. Hs. DA4/N.27.3.30. x5230. Re: 20/25 HP.Chassis - Exhaust System. --------------------------------------- The system on the 10,000 miles car is, we understand,… | ||
| Scan058 | Adaptation of a single-point radiator suspension to a 3-inch diameter crossmember. | ||
| View original record | To EH. (struck out) from DA. c. Hs. ORIGINAL DA5/N.27.3.30. X7250. Re: Radiator Suspension. Here is N.Sch.3061 shewing the adaption of the single point radiator suspension to the 3" dia. crossmember… | ||
| Scan059 | Dimensions and positioning of gear/brake levers and the instrument board for a L.H. Phantom II chassis. | ||
| View original record | PY from DA c. Hs. c. OY. c. DA/EV. (WW). ORIGINAL DA7/G. 28.3.30. x777 L.H. PHANTOM 11 FOR R.K.A.I. ------------------------ Referring to the question of the gear and brake levers and the instrument… | ||
| Scan060 | Centralised chassis lubrication system for the Phantom II model. | ||
| View original record | To DY. from DA. c. Hs. ORIGINAL DA4/N.28.3.30. x3806. x7350 Re: Centralised Chassis Lubrication with axles in the System - Phantom II. As regards leading the oil on to the rear axle, we send herewith… | ||
| Scan061 | Rear wheelarch clearances for a new 60.750 rear track and its impact on body design. | ||
| View original record | TO EH. FROM EV. SECRET. EV2/7.4.30. COPY TO EH. HS. SY. SCL. [STAMPED] ORIGINAL [HANDWRITTEN] x7380. x1830 x1810 RE WHEELARCH CLEARANCES. 6.750.REAR TRACK. P.2. We send herewith N.Sch.3086. shewing… | ||
| Scan062 | Increasing the capacity and length of a dashboard pump and tank for a centralised chassis lubrication system. | ||
| View original record | To. BY. from DA. c. Hs. ORIGINAL DA1/N.7.4.30. x3806. Re: Centralised Chassis Lubrication - Dashboard Pump. Herewith N.Sch.3064, Dashboard Pump made 50% greater in capacity both as regards the pump… | ||
| Scan063 | Proposal for a new rear suspension for the 20/25 HP gearbox, based on the Phantom II design. | ||
| View original record | To. EH. from DA. c. Hs. ORIGINAL DAL/N.9.4.30. XS310 Re: 20/25 HP. Gearbox - Suspension at Rear. Herewith is N.Sch.3076 shewing a proposal for carrying the engine and gearbox unit by a Ferodo lined… | ||
| Scan064 | Bijur lubrication system for the front axle and the standard Enots system. | ||
| View original record | RY. from DA. .c. Hs. ------------ ORIGINAL DA1/G.10.4.30. x3806. x7420. BIJUR LUBRICATION OF FRONT AXLE. -------------------------------- With reference to Hs/Rm5/MJ.4.4.30., this it is understood… | ||
| Scan065 | Suggesting an adjustment for the radiator shutter and starting carburetter controls for varying scuttle depths. | ||
| View original record | BY. from DA. c. Hs. ----------------- ORIGINAL DA7/G.11.4.30. x 3499. x5240. x7240. RADIATOR SHUTTER & STARTING CARBURETTER CONTROLS. x7280. x5280. --------------------------------------------------… | ||
| Scan066 | Proposing a design change for the longitudinal stay of the 20/25 HP Chassis exhaust silencer. | ||
| View original record | ORIGINAL BY. from DA. c. Hs. c. E. DA1/N.12.4.30. X 5530. Re: 20/25 HP. Chassis - Exhaust Silencer. Longitudinal Stay. We suggest that this stay, which has been tried in the form shewn on Scheme 1249,… | ||
| Scan067 | Gauge material for wing stays on P.2 and 20/25HP models, and a proposal for new head-lamp brackets. | ||
| View original record | ORIGINAL TO B.E. FROM EV. COPY TO DA. HS. C. (FOR SALES) WING STAYS. EV2/12.4.30. X7390. X5390- The wing stays of P.2. are .128ins. thick,(SWG.10.) and have a stiffener at the base. As far as we can… | ||
| Scan068 | Gearbox problems and the preliminary design of an epicyclic gearbox. | ||
| View original record | R. FROM DA/HDY. C. to SG. RG. E. C. to BY. HS. DA/HDY1/M12.4.30. X 7310 X 5310 X 523 ORIGINAL GEARBOX PROBLEM. In reply to R1/M1.4.30. we have been making preliminary designs for the full epicyclic… | ||
| Scan069 | Comparison of different gear train arrangements and their performance characteristics. | ||
| View original record | (2) (1) Simple train annulus driven. (2) Simple train annulus driven driving through the cage of 2nd. speed to annulus of 3rd. speed. (3) Compound train sun driven. (4) Bevel gear. (5) Wilson… | ||
| Scan070 | Design report on patent applications and considerations for equivalent synchro-mesh control systems. | ||
| View original record | (3) CONTROL. We have made application for patents for:- (a) Clutch pedal interlock, with vacuum control. (b) Balanced and synchronised pawls. (c) Automatic brake and pawls. (d) Direct and indirect… | ||
| Scan071 | Calculations and considerations for gear change timing, braking forces, and control lever design. | ||
| View original record | (4) (3) A time allowance of 1 sec. is made from one gear to another. The time during which the brake will be in action is then found to be 1 sec. x 1.5/8 = 1/5 th. sec. Braking requirements have then… | ||
| Scan072 | Page outlining suggestions for gearbox and clutch mechanisms, specifically regarding coasting and gear selection. | ||
| View original record | (5) speeds when coasting fast. iii. The suggestion has also been made that with a quadrant control for the forward speeds, reverse and neutral can be obtained by a separate lever. Movement of this… | ||
| Scan073 | Three gearbox design schemes, including proposals from Mr. Hardy and Mr. Royce, with a diagram for a single lever control. | ||
| View original record | To R. from DA. c.c. SG. E. RG. HS. BY. ORIGINAL! DALL/N.14.4.30. X7310 X5310. V523. RE: GEARBOXES. --------------- Enclosed herewith is a memo which Mr Hardy has prepared on the work on the Gearbox… | ||
| Scan074 | Analysis of various gearbox and clutch systems, comparing Armstrong-Siddeley, a proposed Epicyclic design, and a Chrysler spool gear. | ||
| View original record | 2. DALL/N.14.4.30 Cont'd. This is one more position than provided by Messrs. Armstrong-Siddeley viz "Coast". In this position the dog clutch is not withdrawn, so that the engine can be restarted… | ||
| Scan075 | Note on Mr. Hardy's remarks regarding the testing of Armstrong-Siddeley gears. | ||
| View original record | 3. DA11/N.14.4.30 Cont'd. We have also tried an Armstrong-Siddeley and Mr Hardy's remarks are based on this. When idling there was a 'Whirr' of gears, under load the gears were definitely much quieter… | ||
| Scan076 | Critique of Mr. de Salamanca's Phantom II, detailing objections to its features and modifications. | ||
| View original record | DA. BA/EV.) FROM R. E. HS. ) (At Le Canadel.) ORIGINAL. ARRIVED WW. DURING EASTER. R4/M14.4.30. C. SG. WOR. BY. PHANTOM 2. Mr. de SALAMANCA'S CAR. RIVIERA CAR - HOOPER SHORT SALOON. Some people might… | ||
| Scan077 | Gearbox and transmission suitability of a six-wheeled vehicle for the India War Department. | ||
| View original record | To. WGR. from E. c. SG. HS. BY. F. DA. ORIGINAL E22/N.15.4.30. x4195 Re: Six Wheeled Vehicles for India War Department. ------------------------------------------ I have been talking to Hs. re the… | ||
| Scan078 | Relocation of the differential lock from the driving axles to the gearbox for future development. | ||
| View original record | 2. E22/N.15.4.30. Cont'd. In connection with the former, attempts to lock the differential on the driving axles have not been satisfactory owing to the high torque involved. This therefore suggests… | ||
| Scan079 | Schematic of a four-wheel-drive drivetrain with a central, front, and rear differential. | ||
| View original record | DIFFERENTIAL REV 1ST | ||
| Scan080 | Modifications to the wing stays for the 20/25 HP model. | ||
| View original record | TO DR. FROM EV. ORIGINAL. EV3/15.4.30. COPY TO [REDACTED] HS. WING STAYS. 20/25 HP. X7390. X5390. You will have received our EV2/12.4.30 re the above. We thank you for your report on the wings and… | ||
| Scan081 | Filing of car designs for the 20/25 HP long chassis and the postponement of their use in the new catalogue. | ||
| View original record | TO BY. FROM EV. COPY TO HS. ORIGINAL 18 G 10 EV1/23.4.30. RE 20/25 HP. LONG CHASSIS. xs770 We send herewith N.Schs.3014, 3015, 3016, 3017, 3018 3019, 3020, 3021,&3024. shewing desings of cars for the… | ||
| Scan082 | Design changes to a hinged petrol tank filler, concerning the joint washer and clip mechanism. | ||
| View original record | To BY. from DA. c. RHC. Hs. ORIGINAL DA2/N.23.4.30. x7460 Re: Hinged Petrol Tank Filler. Since the method of retaining the joint washer shewn on Fig.2. would only be satisfactory with hard rubber or… | ||
| Scan083 | Revised wingstays, crossmember, and lamp brackets for the 20/25 HP model. | ||
| View original record | TO ST. FROM DA/EV. COPY TO HS. WR. ORIGINAL DA/EVI/24.4.30. SECRET. x5850. x5380. x5600. REVISED WINGSTAYS? CROSSMEMBER & LAMPBRACKETS. 20/25 HP. We send herewith N.Sch.3089, shewing the revised… | ||
| Scan084 | Requesting progress reports on the two 10,000-mile cars, with specific interest in certain components like lubrication and gears. | ||
| View original record | HS/RM. FROM DA. ORIGINAL 10,000 MILE CARS. DA1/M26.4.30. X7940. X5840. No doubt we shall get reports as to the progress of the two 10,000 mile cars now running, but I should like to say that we are… | ||
| Scan085 | Revised scuttle isolation and dashboard modifications for a 20/25 HP Park Ward Experimental Limousine. | ||
| View original record | TO [REDACTED]. FROM EV. COPY [REDACTED] HS. ORIGINAL EV2/26.4.30. x 5830. x 4613. SCUTTLE ISOLATION. 34.5INS. WIDE DASH. 20/25. HP. --------------------- We send herewith N.Sch. 3692, shewing the… | ||
| Scan086 | Proposal to mount the Phantom II pedals on the clutch pit, adopting the 20HP method to allow for identical parts. | ||
| View original record | FROM DA. C. to HS. PHANTOM 2. PEDALS. X7470 With reference to the difficulty experienced with the present pedal mounting of loss of movement due to the clutch pedal descending, we send herewith N.… | ||
| Scan087 | Design and dimensions of a scuttle and dashboard for a Phantom II experimental car. | ||
| View original record | TO [illegible]. FROM EV. COPY TO HS. SCUTTLE ISOLATION & 38.500 DASH. PHANTOM II. ----------- We send herewith N.Sch.3093, shewing the scuttle armature and the front end of the subframe for use with… | ||
| Scan088 | Instruction specifying the use of the Universal Type subframe for the Continental car. | ||
| View original record | TO EE. FROM EV. Secret. EV6/28.4.30. COPY TO HS. RE SUBFRAME FOR CONTINENTAL CAR. ORIGINAL X 7120. X 7380. The Subframe for this car is to be of the Universal Type as already instructed. Since this… | ||
| Scan089 | Stagnation of sales for the 25HP car, detailing issues with body size, engine performance, and ignition defects. | ||
| View original record | [strikethrough]E. PA.)[/strikethrough] FROM R. HS. ) (At Le Canadel.) [handwritten] ORIG. HS [/handwritten] [strikethrough]C. to SG. WOR. BY.[/strikethrough] [strikethrough]C. to C.… | ||
| Scan090 | Various car gear problems and proposing an improved epicyclic gear design. | ||
| View original record | DA/HDY. E.) FROM R. DY. HS. ) (At Le Canadel.) Copy to - SG. WOR. CAR WORK - GEAR PROBLEM. R1/M29.4.30. Y5310 X7310 X523 I must first thank Messrs Day and Hardy for their investigations and… | ||
| Scan091 | Gearbox design alternatives, including epicyclic trains, clutches, and gear ratios. | ||
| View original record | (2) Since however we can now easily go to 2nd. perhaps we can keep 3rd. also fast, and I think the 4 trains make the most silent and easiest made job, especially as all the planets can be large and… | ||
| Scan092 | Various servo-assisted gear control systems and freewheel mechanisms. | ||
| View original record | this would be noisy. It is one of the doubtful points, but we might put in freewheel connection so that the car would freewheel on 3rd., which might be preferable if we had 2nd. and 4th. no freewheel.… | ||
| Scan093 | Recommendation for improving gear changes by modifying jaw clutch gears and adding a resilient coupling to the transmission. | ||
| View original record | DA/HDY. ) FROM R. HS. E. ) (At Le Canadel.) Copy to SG. WOR. CAR WORK - CHANGE GEAR ORIGINAL x523 x5310 x7310 When the box is fitted with any form of constant mesh gears with jaw clutch change, the… | ||
| Scan094 | Advantages and disadvantages of thermostat control for radiator shutters and proposing a new design. | ||
| View original record | E. HS.) FROM R. OY. ) (At Le Canadel.) (The 'E.' and 'OY.' are struck through) C. to SG. WOR. C. to RG. DY. DA. (Both lines are struck through) CAR WORK. ENGLISH & AMERICAN RADIATOR SHUTTERS.… | ||
| Scan095 | Examination report on a left-hand drive chassis with feedback on the gearbox, levers, instruments and accessories. | ||
| View original record | (TO BE CONTINUED.) R3/M30.4.30. F--- DA- [strikethrough] FROM R. HS. BY [strikethrough] Green stamp: MEMOIRES at Le Canadel. C. to WOR. RG. OY. [strikethrough] ORIGINAL [stamp] LEFT HAND CHASSIS.… | ||
| Scan096 | Modifications to the Phantom II radiator suspension system and associated sketches. | ||
| View original record | DY. FROM DA. Copy to SG. Copy to HS. PHANTOM 2. RADIATOR SUSPENSION ETC. DA2/M30.4.30. 7250. Herewith we send N. sch. 3062. shewing the single point radiator mounting in conjunction with the 3" cross… | ||
| Scan097 | Design, necessity, and aesthetics of car bumpers, with a preference for semi-elliptical shapes. | ||
| View original record | HS. ) FROM R. DA. OY. ) (At Le Canadel.) C. to SG. WOR. BY. C. to PN. LUS. DA/EV. BUMPERS. Bumpers I hate, but suppose they are needed to satisfy fashion, etc. My impression is that they do not… | ||
| Scan098 | Stop lamp bracket for the Phantom II model. | ||
| View original record | BY. FROM DA. C. to SG. C. to HS. C. to CX. DA/EV2/M30.4.30. x7800. re. STOP LAMP BRACKET. PHANTOM 2. We send herewith N. sch. 3095. shewing a stop lamp bracket for use with the Butler lamp at the rear… | ||
| Scan099 | Design and supply of a centre lamp bracket for the 20/25HP model. | ||
| View original record | PY. FROM DA. Copy to SG. Copy to HS. Copy to OX. ORIGINAL CENTRE LAMP BRACKET. 20/25HP. DA/EV1/M30.4.30. 5800. We send herewith N. sch. 3094. shewing a design of centre lamp bracket for the 20/25HP.,… | ||
| Scan100 | Testing specifications and temperature settings for car shutter thermostats. | ||
| View original record | [Strikethrough: E.] HS. ) FROM R. [Strikethrough: OY.] ) (At Le Canadel.) R1/M1.5.30. [Strikethrough: C. to SG. WOR.] [Strikethrough: C. to RG. BY. DA.] CAR WORK. [Underline: THERMOSTATS FOR… | ||
| Scan101 | Development of twin carburetters for 6-cylinder engines, referencing the Phantom II. | ||
| View original record | -- By HS.) FROM R. -- By ) (At Le Canadel.) C. to SG. WOR. Par CAR WORK - CARBURETTERS. From HS/AJL's work we shall probably have twin carburetters for 6 cyl. engines, and for simplicity these may… | ||
| Scan102 | Findings and recommendations on springs and damping for Phantom II & 25HP models. | ||
| View original record | HS. R. ) FROM R. DA. OX. ) C. to SG. WOR. PN. C. to DY. EP. ORIGINAL PHANTOM 2. & 25HP. AMERICAN & EUROPEAN ROAD SPRINGS & DAMPING. R1/M4.5.30. X7866 X7520 X7520. X235. X7410 During HS. and E's visit… | ||
| Scan103 | Solutions for radiator jellying, body mounting, and reducing frame vibration using rubber insulation and dampers. | ||
| View original record | HS/RM. ) FROM R. (At Le Canadel.) ORIGINAL! x7380 x457 x5380 x2250. x7830 x7005. x5830 x7005. CAR WORK - RADIATOR JELLYING, BODY MOUNTING, ETC. Apparently this difficult problem has now been solved… | ||
| Scan104 | Important complaint detailing design flaws in the Phantom 2's shock dampers and central lubrication system. | ||
| View original record | DA. HS. ) FROM R. BY. Th. ) (At Le Canadel.) C. to SG. WOR. IMPORTANT COMPLAINT. R3/M5.5.30. [Handwritten notes:] x777v x3806. x7820. CAR WORK - [Stamped: ORIGINAL] L.H. & R.H. PHANTOM 2. SHOCK… | ||
| Scan105 | Viability and design of brackets for Butler Stop Lamps on P2 and 20/25 HP models. | ||
| View original record | ORIGINAL TO [REDACTED] FROM EV. EVI/5.5.30. COPY TO [REDACTED] HS. "STOP LAMP BRACKETS" Y7800 Y5800 A few days ago we sent to you N.Sch.3695. shewing a design for a bracket for a Butler Stop Lamp for… | ||
| Scan106 | Schemes to improve dynamo output and battery charging on Phantom II and 25HP cars. | ||
| View original record | EFC. BY. ) FROM R. E. HS. ) (At Le Canadel.) C. to SG. WOR. DA. C. to GY. Mr. BROCK. ORIGINAL R1/M6.5.30. CAR WORK - PHANTOM 2. & 25HP. DYNAMO OUTPUT. x8780 Mr. Elliott's suggestion of extra output… | ||
| Scan107 | Progress on the Salerni coupling for gearboxes, applied to EAC. 7. | ||
| View original record | BT. ) FROM DA. HS. ) ORIGINAL GEARBOXES. DA2/M7.5.30. Y5410. Y 7310 Y 523. We hope you have been able to get on with the details of the Salerni coupling applied to EAC. 7. We are anxious to have some… | ||
| Scan108 | Use of a double spring for a single point radiator suspension. | ||
| View original record | BY. FROM DA. C. to SG, HS. SINGLE POINT RADIATOR SUSPENSION. DA1/M7.5.30. ORIGINAL x7250 x5250. We send herewith N. sch. 3087 in which it is suggested that we should use a double spring in the… | ||
| Scan109 | Modifications to the Phantom II bonnet, discussing overhang, materials, and fittings. | ||
| View original record | TO EF. FROM EV. SECRET. EV2/7.5.30. Y7260. Y7830. COPY TO SG. HS. MODIFICATIONS TO BONNET? PHANTOM II. We send herewith N.Sch.3096, shewing modifications to the P.2. bonnet, the chief of which is the… | ||
| Scan110 | Modifications to the thrust bearings and draining system for the 20/25HP hypoid rear axle. | ||
| View original record | DY. FROM DA. C. to CC. HS. 20/25HP. HYPOID REAR AXLE DA3/M7.5.30. x-2066. x5350. ORIGINAL Replying to BY11/G5530., we understand there is something to be done to one or both the thrust bearings on the… | ||
| Scan111 | Proposals for current and future production of shock dampers, including a new scheme. | ||
| View original record | DY. FROM DA. Copy to SC Copy to HS. ORIGINAL SHOCK DAMPERS. DA1/M10.5.30. x7772. x 3806. x7520. With reference to R3/M5.5.30. we are sending to R. immediately some proposals (1) for dealing with… | ||
| Scan112 | Supply of American versus English instruments for an L.H.S.S. instrument board. | ||
| View original record | DA/EV.I/10.5.30. X7772. X7530. TO BR. FROM DA/EV. SECRET COPY TO WG. HS. GEN. OY. INSTRUMENT BOARD FOR L.H.S.S. We thank you for your BY6/G.8.5.30. re the above. You state that the minutes of the… | ||
| Scan113 | Instrument panel design, mounting, and lighting options. | ||
| View original record | DA/EVI./10.5.30.cont. We also suggest that the instruments should be back fitting into a die cast aluminium frame supplied with the chassis. The instruments would have glasses and be held into the… | ||
| Scan114 | Schemes for front shock damper and centralised lubrication for the 2nd L.H. Phantom II. | ||
| View original record | ~~DI.~~ FROM DA. ~~Copy to SG.~~ Copy to HS. ORIGINAL FRONT SHOCK DAMPERS. CENTRALISED LUBRICATION. DA1/M11.5.30. [Handwritten:] x 7772 x 3806 x 7520 Herewith we send N. schemes 3085. and 3097. The… | ||
| Scan115 | Alternative designs and proposals for the front shock dampers and central lubrication system. | ||
| View original record | R. FROM DA. Copy to SS. Copy to BY. (Strikethrough) Copy to HS. ORIGINAL FRONT SHOCK DAMPERS. CENTRAL LUBRICATION. DA2/M12.5.30. x777² x3806 x7520. The reason for the pipe connection to the lever on… | ||
| Scan116 | Urgent design improvements for the radiator, shock dampers, and shutters on 25HP & P.2 car models. | ||
| View original record | HS. [REDACTED] ) FROM R. DH. [REDACTED] ) (At Le Canadel.) C. to SG, WOR C. to RG, PN ORIGINAL CAR WORK - 25HP. & P.2. URGENT ITEMS. R1/M13.5.30. x577o x777o. x Most of these are probably on test in… | ||
| Scan117 | Technical memo discussing future progress and improvements for various vehicle components. | ||
| View original record | (2) is to make the thermostat work at a much lower temperature than was our practice with P. 1. hand regulation. This is now possible with the better cold distribution and exhaust heated throttle. (4)… | ||
| Scan118 | Adjustments to the P. 2. L.H. Bonnet isolation gap and movement. | ||
| View original record | HS. FROM DA/EV. AJL ORIGINAL P. 2. L.H. BONNET. x7260. x7772. x4613. When sending you our N. sch. 3096. we said that we thought the bonnet could not project more than .075 beyond the back of the… | ||
| Scan119 | Modifications to the L.H. Chassis, specifically the hand brake quadrant stop, gear lever retaining nut, and a gearbox vent. | ||
| View original record | ~~DT.~~ FROM DA. C. to ~~HS.~~ L. H. CHASSIS. DA3/M14.5.30. X1772- (handwritten) With further reference to BY/CGH6/G10530., we send herewith N. sch. 3099. shewing a stop for the hand brake quadrant.… | ||
| Scan120 | Repositioning of the P.2. Left Hand step brackets. | ||
| View original record | FROM DA/EV. Copy to OY. ORIGINAL P. 2. L.H. STEP BRACKETS. OY. was here yesterday, and mentioned the fact that he thought the step brackets Nos. 2. and 3. aft of the dash would be more satisfactory… | ||
| Scan121 | Selection and arrangement of instruments for the P.2 L.H. instrument board. | ||
| View original record | FROM DA/EV. C. to WH. HS. C. to OY. SRW [Struck through] P. 2. L.H. INSTRUMENT BOARD. OY. discussed the question of instruments and the instrument board for P.2. L.H. with us here yesterday. There… | ||
| Scan122 | Details on the instrument board layout for the P.2. L.H. model, comparing English and American instruments. | ||
| View original record | (2) (2) FINAL P.2. L.H. INSTRUMENT BOARD. America do not want instruments all grouped together with interior illumination. They want all the tiny instruments grouped in the centre, with the… | ||
| Scan123 | Modifications to the hypoid axle to facilitate easier filling. | ||
| View original record | DA. FROM DA. Copy to SG. Copy to HS. re. AXLE FILLING. With reference to the question of making the filling of the hypoid axle less difficult, we have looked into the question of putting a plug in the… | ||
| Scan124 | Future of the 25HP engine, advocating for modifications based on the 'Japan' design over the existing 'China' version. | ||
| View original record | HS. [REDACTED] ) FROM R. [REDACTED] Copy to SC [REDACTED] ORIGINAL FUTURE OF 25HP. R3/M19.5.30. X5770. If everyone is satisfied with 'China' then I need not worry them with my remarks, but personally,… | ||
| Scan125 | Modification to the central oiling and front shock dampers to rectify a defect. | ||
| View original record | HS. DY.) FROM R. DA. H. E.) Copy to SG. WCR. ORIGINAL R4/M19.5.30. CENTEAL OILING AND SHOCK DAMPERS. x3806 x7520 x5520, With reference to the modifications to the central oiling and the shock dampers,… | ||
| Scan126 | Complaints about the riding qualities of the Phantom II and 25HP models, comparing damping, springs, and weight distribution. | ||
| View original record | HS. [REDACTED] ) FROM R. DA. [REDACTED] ) C. to SC. WOB. PN. C. to C. ON. FP. C. TO BE READ AT CONFERENCE ON TUESDAY 19.5.30. ORIGINAL CAR WORK - RIDING QUALITIES. PHANTOM 2. & 25HP. X5770 X7770 I was… | ||
| Scan127 | Riding comfort, body sizes, and tyre pressures for different chassis. | ||
| View original record | (2) No car, either ours or that of anyone else, can give the same satisfaction if the conditions are not favourable, and owners, buyers, and coachbuilders will against our advice do things which we… | ||
| Scan128 | Outlining a list of urgent design work and improvements for various car components. | ||
| View original record | RG. E. ) FROM R. F.A. HS. ) Copy to SG. WOR. Copy to BY. F. DESIGNING WORK. LIST IN ORDER OF URGENCY. CARS. PETROL PUMP. To simplify system and reduce cost (P.2.) and avoid effect of autovac on… | ||
| Scan129 | And comparing various instrument board layouts for the 25EX model. | ||
| View original record | TO EB. FROM DA/EV. SECRET. DA/EVI/21.5.30. COPY TO HS. Y77 Y530 RE INSTRUMENT BOARD FOR 25EX. We send herewith N.Sch.3103, 5 & 6, shewing various layouts for the instrument board for the second expl.… | ||
| Scan130 | The position of various modification schemes for a Left Hand Phantom II chassis. | ||
| View original record | HS. FROM E. C. to SG. WOR. C. to BY. DA. LEFT HAND PHANTOM 2. CHASSIS. Referring to HS2/MJ20530. the following is the position of the items appertaining to E. dept. numbered as in your memo:- (1)… | ||
| Scan131 | Standardisation of bonnet locks on the chassis. | ||
| View original record | HS. ) FROM E. BY. ) C. to SG. WOR. C. to DA. OFFICIAL BONNET LOCKS. Regarding the question of standardising the latest design of bonnet lock (which would increase the cost of the chassis by 25/-) R.… | ||
| Scan132 | Modifications to improve the lubrication of an axle control ball end. | ||
| View original record | ORIGINAL P/. FROM DA. Copy to -HS. DA2/M22.5.30. X3806. P. 2. LUBRICATION OF AXLE CONTROL BALL END. Replying to BY4/G19530., the question of whether the oil would reach the ball or not had occurred to… | ||
| Scan133 | Poor road holding on a 25HP car, suggesting a modification to the damper load. | ||
| View original record | HS/RM. FROM E. ORIGINAL E1/M23.5.30. Copy to SG. 25HP. CAR AT WW. x5960 x5410 x5520. Your driver mentioned that this car had a tendency to prance up and down, and was difficult to hold on the road at… | ||
| Scan134 | Decision to develop an in-house dimming switch rather than one from Lucas'. | ||
| View original record | EFC. FROM E. C. to SG. WOR. C. to EX. HS. DIMMING SWITCH. Regarding the above R. is of the opinion that it would be of no use to encourage Lucas' to design and make a dimming switch for us. It is… | ||
| Scan135 | Modifications for the L.H. P. 2. Auto-Klean strainer. | ||
| View original record | DH. FROM E. (DH is struck through) C. to BG. WGR. HS. (BG. WGR. is struck through) L.H. P. 2. AUTO-KLEAN STRAINER DETAILS. E4/M24.5.30. x4037 x7772 x7190 We send herewith LeC. 2800. shewing the… | ||
| Scan136 | Modifications to a double-acting thermostat for radiator shutters. | ||
| View original record | M. [struck through] FROM E. Copy to CG. [struck through] Copy to WOH. [struck through] Copy to HS. ORIGINAL L.H. P. 2. DOUBLE ACTING THERMOSTAT - RADIATOR SHUTTERS. x7772 x7250. x3499. We send… | ||
| Scan137 | Responding to various numbered technical queries regarding a vehicle referred to as 'Camacha'. | ||
| View original record | HS. FROM DA. C. to WOR. BY. E. ORIGINAL L. H. P. 2. DA1/M24.5.30. x1772. With reference to HS2/MJ20530., several of the items applicable to 'Camacha' have not previously been heard of and we are not… | ||
| Scan138 | Clearance issue with the crankcase breather pipe and extra oil cock control rod on an L.H. P.2. chassis. | ||
| View original record | B/. HS. FROM E. Copy to SG. [strikethrough] L.H. P.2. CHASSIS. CLEARANCE OF CRANKCASE BREATHER PIPE WITH EXTRA OIL COCK CONTROL ROD. [Stamp: ORIGINAL] On the 1st. L.H. chassis we found the breather… | ||
| Scan139 | Relocating the petrol filter and the associated concerns regarding potential air locks. | ||
| View original record | DN. FROM E. [DN. is struck through] C. to SO. WOR. HS. [SO. WOR. is struck through] ORIGINAL E5/W24.5.30. X7772. X3701. ) 510 . L.H. P.2. POSITION OF PETROL FILTER. We send herewith LeC. 2801. shewing… | ||
| Scan140 | Recommendations for coachbuilders regarding subframes, scuttle isolation, and aprons for the 20/25HP model. | ||
| View original record | EP. FROM DA/EV. (Struck through) C. to HS. E. LHS. (Struck through) C. to C. BY. (Struck through) ORIGINAL BODY MOUNTING ETC - EP7/H21530. DA/EVL/M24.5.30. X4613. X7380 X5380 X7005 X5005. LHS. has… | ||
| Scan141 | Various gearbox design problems and proposed solutions. | ||
| View original record | HS. BY. FROM R. Copy to SG. WOR. Copy to PN. DA. GEARBOX PROBLEM. ORIGINAL X-7310 Y5310 Y523. WW. propose to concentrate on our complete epicyclic scheme and what we have given Derby, viz:- (1)… | ||
| Scan142 | Typed memo discussing gearbox design features and a comparison with the Wilson gear for a 45HP engine. | ||
| View original record | (2) Our separate reverse unit enables the gear to idle quietly - unique and valuable. It also avoids the 4 times engine torque brake. Can we use two narrow nearly completely circular bands starting… | ||
| Scan143 | Modifications to the Phantom II L.H. Chassis, concerning the oil filter, petrol filter, and thermostatically controlled shutters. | ||
| View original record | HS. -E. ) FROM R. DA. -BY. ) C. to SG. WOR. OY. PHANTOM 2. L.H. CHASSIS, & IMPROVED R.H. WW. have finished the following:- (1) Improvements to oil filter because gland and ratchet drive was not of RR.… | ||
| Scan144 | Original drawing L.C. 2800 for the Auto-Klean strainer, with full details of the freewheel ratchet device. | ||
| View original record | B/. FROM E. C. to G. W/R. HS. ORIGINAL E1/M26.5.30. x4037. x7772 x7190. P. 2. AUTO-KLEAN STRAINER DETAILS. Herewith please find original drawing L.C. 2800., completed with full details of the… | ||
| Scan145 | Schemes for central lubrication pipe coil connections for the front and rear axles. | ||
| View original record | BY. FROM DA. C. to SG. HS. P. 2. CENTRAL LUBRICATION. Herewith we send N. schemes 3107. and 3109., shewing respectively the pipe coil connections to the front and rear springs for leading the central… | ||
| Scan146 | Proposing alterations to the L.H. P.2 gearbox central levers to increase load and prevent sideways deflection. | ||
| View original record | FROM DA. C. to HS. ORIGINAL L.H. P.2. GEARBOX. CENTRAL LEVERS. DA3/428.5.30. x7772. x7310 With reference to the question of providing more load against sideways deflection on the lever we see that the… | ||
| Scan147 | Drawing for the addition of ignition type tungsten contacts to the backing light switch. | ||
| View original record | Pt. FROM DA. C. to SG. HS. L. H. CHASSIS. BACKING LIGHT SWITCH. DAM/M29.5.30. X6029 We send herewith N. sch. 3113. shewing the addition of ignition type tungsten contacts to the backing light switch… | ||
| Scan148 | Driver seating positions and adjustments for various car types. | ||
| View original record | FROM DA/EV. C. to HS. SEATING POSITIONS. It was demonstrated at a conference at WW. yesterday that the driving seats of our experimental cars are nearly always not to the standard RR. dimensions and… | ||
| Scan149 | New cantilever battery support for the Phantom II model. | ||
| View original record | COPY. FROM DA. C. to G. HS. PHANTOM 2. R. & L.H./BATTERY SUPPORT. Herewith we send M. sch. 3114. shewing the cantilever battery support for use with the new universal type subframe. We have also shewn… | ||
| Scan150 | Proposal for covering the exposed lubricated surface of the change speed ball for a left-hand chassis change gear. | ||
| View original record | FROM DA. C. to HS. L.H. CHASSIS CHANGE GEAR. Herewith we send N. sch. 3112. shewing the proposal for covering in the exposed lubricated surface of the change speed ball. DA. DA3/M29.5.30. x777² x523 | ||
| Scan151 | Proposing two schemes to resolve difficulty reaching the dashboard pump pedal on the left-hand chassis. | ||
| View original record | BY. FROM DA. C. to SG. HS. [STAMP] ORIGINAL! CENTRALISED CHASSIS LUBRICATION. DASHBOARD PUMP. DA2/M30.5.30. [Handwritten] x3806. x7772. With reference to the difficulty of reaching the pedal on the… | ||
| Scan152 | With sketches discussing an anti-squeaking device for road wheel brakes. | ||
| View original record | HS. FROM E. C. to SG. HS/GWH. [crossed out] C. to BY. DA. [crossed out] re. ROAD WHEEL BRAKES. ANTI-SQUEAKING DEVICE. I have shewn R. the sketch of Mr. Hancock's anti-squeaking device we saw in Paris,… | ||
| Scan153 | Search for new cam forms to experiment with timing on a compression ignition engine. | ||
| View original record | FROM E. C. to HS. ORIGINAL COMPRESSION IGNITION ENGINE. Y4433 Referring to the question of trying some new timing on the compression ignition engine. Mr. Lightbound had this matter in hand and was… | ||
| Scan154 | Oil draining from the carburetter and power loss issues related to a new silencer design on the 23-EX. | ||
| View original record | HS. FROM E. C. to SG. [Struck through] C. to BY. P. 2. CARBURETTER SILENCER Referring to the complaint of oil draining from the carburetter after a hard run on 23-EX. the only difference we know of to… | ||
| Scan155 | Outlining a scheme to correct a lagging carbon contact issue in the P. 2. starter main switch. | ||
| View original record | EFC. FROM E. C. to SG. WOR. C. to HS. DY. ORIGINAL El/M2.6.30. X.7655. P. 2. STARTER MAIN SWITCH. Referring to your memo. EFC8/AD29530., we have in hand a scheme for correcting the trouble due to the… | ||
| Scan156 | Three ways a car can oscillate and potential solutions to improve car riding comfort. | ||
| View original record | HS. DA.) FROM R. EP. ) C. to SG. WOR. C. to PN. HM. ORIGINAL R2/M2.6.30. x457. CAR RIDING. We now all agree that there are 3 ways a car can oscillate - (a) the rear, (b) the front, (c) the pitching,… | ||
| Scan157 | Petrol reserve system, the Autovac tank, and a future move to a petrol pump. | ||
| View original record | HS. FROM R. C. to SG. BY. [struck through] C. to PN. P. 2. PETROL RESERVE. R1/M2.6.30. X7460 With reference to HS/RM1/MJ31530., I quite agree that it will be the most suitable scheme to keep the… | ||
| Scan158 | Carburetter silencer design disagreement, troubleshooting, and a modification to address power loss. | ||
| View original record | HS. ) FROM E. BY. ) C. to SG. WOR. P..2. CARBURETTER SILENCER. ORIGINAL x7080. Referring to our drawing LeC. 2802., R. is not in agreement with this scheme as yet. He would prefer to retain the… | ||
| Scan159 | Modifications to the carburettor silencer to reduce high-speed power loss. | ||
| View original record | E/. FROM E. Copy to SC. Copy to WDR Copy to HS. EL/M4.6.30. [Handwritten: X7080.] P. 2. CARBURETTER SILENCER. We send herewith LeC. 2803. shewing modifications for reducing the power loss at high… | ||
| Scan160 | Design scheme for left-hand chassis floorboards and the placement of a Bosch switch. | ||
| View original record | BY. FROM DA. Copy to SC Copy to HS. Copy to OY ORIGINAL L. H. CHASSIS FLOORBOARDS. DA1/M4.6.30. Y777? x4605.. Herewith we send N. sch. 3117. shewing the scheme for the floorboards, including the… | ||
| Scan161 | Modifications and alternative designs for the starting handle. | ||
| View original record | ✓. FROM DA. Copy to SG. Copy to HS. ORIGINAL DAL/M6.6.30. X7270 X4522 P. 2. STARTING HANDLE. With reference to the question of modifications to the starting handle partly to deal with the fitting of… | ||
| Scan162 | Adapting a backing light switch for use as a stop light switch on a L.H. P.2 chassis. | ||
| View original record | EX. FROM DA. C. to SG. HS. L.H. P.2. STOP LIGHT SWITCH. DA2/M6.6.30. X7772. X6029 Herewith we send N. sch. 3120. shewing the adaptation of the backing light switch to use as a stop light switch. It… | ||
| Scan163 | Chassis battery support modification with a universal subframe, particularly for the 18-EX body type. | ||
| View original record | EX. FROM DA. Copy to R. Copy to HS. ORIGINAL DA3/M6.6.30. x777 x7535 L. H. CHASSIS BATTERY SUPPORT WITH UNIVERSAL SUBFRAME. Replying to BY6/G3630., in order to take full advantage of the universal… | ||
| Scan164 | Suitability of different bumper types and potential design faults. | ||
| View original record | CH. FROM E. [text crossed out] [text crossed out] [text crossed out] [text crossed out] ORIGINAL re. BUMPERS. E1/M6.6.30. x772 xV522. Re. your memo. OY1/DM4.6.30., the section of bumper preferred by… | ||
| Scan165 | Bumper design using 'U' springs and semi-elliptic springs, accompanied by a sketch. | ||
| View original record | A. FROM E. Copy to EG. Copy to HS. Copy to BH. re. BUMPERS. In reply to your memo. of the 12th inst., we have seen a design of bumper in which the front bar is carried by two 'U' springs from the dumb… | ||
| Scan166 | Modifications to the P.2 Starter Main Switch to address carbon lagging and contact burning issues. | ||
| View original record | FY. FROM E. (FY is struck through) C. to SG. (struck through) C. to EFG. (struck through) C. to HS. P. 2. STARTER MAIN SWITCH. We send you herewith LeC. 2804. shewing modifications for improving the… | ||
| Scan167 | Five changes to 'F' type pedals for the continental car 26-EX. | ||
| View original record | BY. FROM DA. Copy to SG. Copy to WOB. Copy to HS. re. 'F' TYPE PEDALS. ORIGINAL DA3/M14.6.30. x7120 x7470 We send herewith N. sch. 3122. shewing 'F' type pedals as required for the continental car… | ||
| Scan168 | Following up on an idea for shock dampers using air vessels and urging the patenting process. | ||
| View original record | Ex. FROM DA. Copy to HS. SHOCK DAMPERS. ORIGINAL DA1/M14.6.30. x7520 y5520. Some considerable time ago we sent through an idea for providing a slight amount of free movement in the middle of the shock… | ||
| Scan169 | Requesting a drawing of the L.H. SS. Instrument Board for the 2nd vehicle, noting the body is already a month overdue. | ||
| View original record | FROM DA/EV. Copy to - HS. L.H. SS. INSTRUMENT BOARD. Handwritten notes: X7772, x7530 We would like a drawing of the instrument board which you are actually instructing for the 2nd. L.H. SS. If you… | ||
| Scan170 | Requesting information on the smallest available sylphon tubing for a new mechanically operated petrol pump design. | ||
| View original record | FROM E. Copy to HS. re. SYLPHON TUBING FOR PETROL PUMP. x2677. ORIGINAL We believe you went into the question of what was the smallest size of sylphon tube which could be obtained, and we should be… | ||
| Scan171 | Requesting feedback on the experimental P. 2 car subframes regarding body rattles and coachbuilding time. | ||
| View original record | HS. FROM DA/EV. DA/EV2/M16.6.30. AJL Please let me have a report. HS ORIGINAL x7380 x7830 P. 2. SUBFRAMES. I understand that on Thursday next, at the C. S. C., I am to be told that the use of the body… | ||
| Scan172 | Suggestions for improving the design and functionality of a petrol gauge. | ||
| View original record | HS. FROM DA/EV. Copy to - R. Copy to - OY. Copy to - C (for Sales.) PETROL GAUGE. ORIGINAL x4038. x7530 x777- x4623 x7460. We believe the gauge as at present fitted is not always satisfactory. The… | ||
| Scan173 | Series of numbered suggestions for modifying a fuel tank system, including vents, fillers, pumps, and gauges. | ||
| View original record | (2) (7) A similar valve might be fitted in the back leg just above the surface of the liquid, this valve to close the pressure line when the instrument is inverted, so avoiding the spilling of liquid… | ||
| Scan174 | Hand-drawn schematic of a fluid tank and associated pipework including ball valves. | ||
| View original record | Ball Valve. Balance Pipe Pressure Pipe Ball Valve. long leg. Fig. 1. ORIGINAL Vent as a R.R.M. Tank As close as possible Press & Filler Cut down. | ||
| Scan175 | Hand-drawn sketch of a fuel tank and a separate pipe assembly with valves and annotations. | ||
| View original record | ORIGINAL Cox. 14 G 4. when ready: Ball valve Ball valve pull rod 1899 or to fol .2 or .1 107 10/P/30 | ||
| Scan176 | Modification and trial of adjustable pedals for the R.H. P. 2 and 26-EX models. | ||
| View original record | PY. FROM DA/EV. C. to S.G. HS. C. to C. (for Sales.) DA/EV2/M17.6.30. ORIGINAL n470. x7120. ADJUSTABLE PEDALS. We send herewith N. sch. 3123. shewing adjustable pedal stems for the R.H. P. 2. It has… | ||
| Scan177 | Modified hand brake lever design to increase clearance and its application to other models. | ||
| View original record | PY. FROM DA/EV. HJL DA/EV1/M17.6.30. C. to HS. C. to C. (for Sales.) ORIGINAL X7120 X7311 X7311 re. SIDE LEVERS. We send herewith N. scheme 3124., shewing a modified set in the hand brake lever - E.… | ||
| Scan178 | Cracked glass on the framed instrument patch and proposing a revised design. | ||
| View original record | HS. ) FROM DA/EV. BY. ) AJL Please reply HS FL Copy to CX/HH re. FRAMED INSTRUMENT PATCH. x7530. x5530. ORIGINAL We are informed by Sales that in one or two cases the glass of the framed patch of… | ||
| Scan179 | Modifications and improvements to the floorboards for the Phantom II and 25HP models. | ||
| View original record | EP. FROM DA/EV. C. to C'ton (for Sales) C. to EP. HS. re. FLOORBOARDS. DA/EV1/M19.6.30. x7500 x4605 Thank you for your EP1/H30.5.30. PHANTOM 2. We have instructed the following improvements to the… | ||
| Scan180 | Recommendations for an improved system of scuttle isolation and coordination with coachbuilders. | ||
| View original record | HS. FROM DA/EV. Copy to C. (for Sales.) Copy to BY. EP. RECEIVED JUN 20 1930 H- DA/EV2/M19.6.30. ORIGINAL Y4613. SCUTTLE ISOLATION. EP. has asked us from time to time to give definite recommendations… | ||
| Scan181 | Chassis delivery for 26-EX, concerns over a 'flashy' chromium finish, and a request for trunk fittings. | ||
| View original record | HS. FROM DA/EV. C. to WHR CX/HN AJL RECEIVED JUN 20 1930 DA/EV5/M19.6.30. x7830. ORIGINAL x4484 x3499 We wired you yesterday asking if you could give us an approximate date for the delivery of the… | ||
| Scan182 | Modifications to the subframe of car 25.EX, along with instructions for floorboards, bonnet painting, and accessory fitting. | ||
| View original record | TO HS. FROM EV. RE SUBFRAME OF 25.EX. A.J.L EV2/25.6.30. x7380. x4605. x777. You may have noticed that the ORIGINAL subframe of 25EX. is not quite up-to-date in one respect. It was made in accordance… | ||
| Scan183 | The performance and issues of the Propaganda Car (12.XJ) after a 10,000-mile tour. | ||
| View original record | TO WHR. FROM EV. COPY TO PN. O. HS. S. DA. RE PROPAGANDA CAR. 12.XJ. SPRINGING. I saw the above car in company with PN. and the driver. I understand that the car has covered about 10,000 miles in… | ||
| Scan184 | Issues with the rear wheel carrier, triangular stay bearings, petrol tank, rear springs, and undersheets, including suggestions for modifications. | ||
| View original record | REAR WHEEL CARRIER. This was the dual carrier. The serrated nose of the hub of the rearmost wheel had worked about on the disc which fitted into it and had burred up the serrations. This spigot should… | ||
| Scan185 | Issues with body rattles, subframe performance, and specific component failures from coachbuilders. | ||
| View original record | EVI/25.6.30 cont. the fromt brake countershaft on the clutch casing. The undersheets had been filled up with mud making a solid mass. The chief source of entry was through a square hole in the engine… | ||
| Scan186 | Modifying the design of headlamp brackets and wing stays for the 20/25HP model. | ||
| View original record | [Handwritten] AJL [STAMP] ORIGINAL RH.) [crossed out] FROM DA/EV. HS.) DA/EV2/M26.6.30. Copy to C. WHR. [crossed out] Copy to CX. FN. [Handwritten] x5800 [Handwritten] x5390. 20/25HP. HEADLAMP… | ||
| Scan187 | Tests of completed cars detailing issues and proposed solutions for various components. | ||
| View original record | BY. } FROM DA/EV. HS. } C. to - EP. JLE. C. to - C. E. REPORT ON TESTS OF COMPLETED CARS. The following matters were brought to our notice by JLE:- (1) The subframe centre support is often so low that… | ||
| Scan188 | List of suggested improvements for vehicle components including wiring, bonnet, and pedal stems. | ||
| View original record | (2) ORIGINAL (7) The cigar lighter is connected to the junction box on the back of the dash. This junction box is fed from No.6. fuse in the main junction box. On No. 6. fuse also are the instrument… | ||
| Scan189 | List of requested changes for a petrol gauge and associated petrol tank. | ||
| View original record | HS. - BY. ) FROM DA/EV. SG. OY. ) DA/EV/M27.6.30. M4038 Y5460 X7460. PETROL GAUGE. R. has instructed us to makethe following changes to the petrol gauge:- (1) A slightly larger dia. gauge glass, and… | ||
| Scan190 | Schemes for a concealed bonnet hinge for the P.2 and 20HP/25HP models. | ||
| View original record | [Crossed out: P.T.] FROM DA/EV. Copy to [Crossed out: SG.] HS. Copy to [Crossed out: C. GY.] [Handwritten: x7260 y5-60] CONCEALED BONNET [Crossed out: SIDE] HINGE. P. 2. & 25HP. We send herewith N.… | ||
| Scan191 | Request for a patent search regarding the use of induction pipe vacuum for operating the accelerating petrol pump in Stromberg carburetters. | ||
| View original record | BY/MM. FROM E. C. to DY. HS. STROMBERG CARBURETTER PATENTS. EL/M1.7.30. ORIGINAL x4660 x2677 On the down draught Stromberg carburetter the vacuum of the induction pipe is used for operating the… | ||
| Scan192 | Design of a petrol gauge, instrument board accessibility, and a fix for a speedometer noise. | ||
| View original record | HS. FROM R. C. to SG. BY. [Struck through] C. to CX. OY. PETROL GAUGE. We think this should be made to suit the present production because we cannot alter the petrol tank for every accessory that… | ||
| Scan193 | Phantom cooling tests, comparing radiator design with competitors, and considering petrol supply and gearing. | ||
| View original record | HS. FROM R. Copy to SG. Copy to WOR. Copy to BY. Copy to O. BROOKLANDS TESTS. PHANTOM COOLING. Referring to HS/RM1/MJ25630., we should like to know how our cooling compares with that of other big… | ||
| Scan194 | Comparing the Cadillac 16-cylinder engine to Rolls-Royce's proposed 12-cylinder designs and discussing development. | ||
| View original record | sc. FROM R. C. to HS. PH. CADILLAC. R1/M2.7.30. Referring to your SG15/E1730., if we had made a 16 cyl. car of ordinary HP. everyone would have thought us thoroughly impractical - (i.e. mad.) We think… | ||
| Scan195 | Comparison of American and English car springing, advocating for ample damping for safety on varied road conditions. | ||
| View original record | SG. & HS. FROM R. C. to OY. or D.F.C. C. to PN. CAR SPRINGING. AMERICAN & ENGLISH COMPARED. X8410. X7410. X5900. Replying to SG17/E1730., with reference to the superiority of the American cars over… | ||
| Scan196 | Stop light switch, referencing telegrams and alternative design schemes. | ||
| View original record | FROM DA. Copy to HS. AJL ORIGINAL DA1/M3.7.30. x6029. STOP LIGHT SWITCH. We received your telegram re. the stop light switch though we have not received any further particulars. We now send N. scheme… | ||
| Scan197 | Design of a conical distance piece for the side spare wheel carrier. | ||
| View original record | CH. FROM DA/EV. Copy to - DH. Copy to - HS. SIDE SPARE WHEEL CARRIER DA/EV4/M4.7.30. X7772. X7600. Thank you for OY6/DW17630. We do not use the tyre well to square up the wheel. It has always been… | ||
| Scan198 | Instrument board design for a left-hand drive chassis to meet USA requirements. | ||
| View original record | HS. FROM DA/EV. AJL (77) C. to R. SG. (crossed out) C. to E. BY. OY. (crossed out) 2nd. L. H. CHASSIS. DA/EV1/M4.7.30. ORIGINAL x7772. x7530. x4038 x6030 With reference to your HS3/MJ1730 and the… | ||
| Scan199 | Modifications for increased cooling on the 25HP and 45HP models. | ||
| View original record | HS. FROM R. C. to SG. WOR. (Struck through) C. to BY. C. (Struck through) 25HP. & 45HP. MODIFICATIONS FOR INCREASED COOLING I do not like the idea of cutting away the front apron because of the… | ||
| Scan200 | Design modifications for a 20/25HP gearbox support tube. | ||
| View original record | M. FROM DA. Copy to SC. [struck through] Copy to HS. 20/25HP. GEARBOX SUPPORT. DAL/M5.7.30. X5310 X502 [Stamped: ORIGINAL] We have received your telegram saying that the clearance of the tube with the… | ||
| Scan201 | Modifications to thermostatically operated shutters for the 25HP model. | ||
| View original record | PY. FROM E. Copy to SG. Copy to HS. THERMOSTATICALLY OPERATED SHUTTERS ON 25HP. In response to your memo. concerning the above, we send herewith Des. 2807. shewing modification to thermostat levers to… | ||
| Scan202 | Expected arrival of a second L.H. P.2. chassis. | ||
| View original record | HS. FROM R. R5/M9.7.30. X/698. We are expecting you at WW. on Tuesday next, the 15th inst., with the second L.H. P.2. chassis. R. [Stamp] ORIGINAL [Stamp] RECEIVED JUL 10 1930 | ||
| Scan203 | Query regarding previous patent specifications for self-adjusting tappets for a trial on the Phantom II. | ||
| View original record | P/A. FROM E. Copy to Copy to Copy to HS. re. PATENT SELF ADJUSTING TAPPETS. Some few years ago a number of patent specifi- cations were submitted to us in connection with self adjusting tappets, and… | ||
| Scan204 | Design, modifications, and installation of a petrol pump. | ||
| View original record | PY. FROM E. Copy to SC. Copy to HS. P. 2. PETROL PUMP. We send herewith LeC. 2806. shewing the above. All the parts of the pump and driving mechanism without exception are interchangeable for R.H. and… | ||
| Scan205 | Visit to deliver a 25HP chassis and providing an update on the design progress for a Phantom II induction system and a new petrol pump. | ||
| View original record | HS. FROM E. Copy to SG. Copy to WOR. re. VISIT TO WW. NEXT WEEK. In connection with the above R. would like you to bring down a 25HP. chassis fitted with the twin carburetter and induction pipe if… | ||
| Scan206 | Alarmingly high petrol consumption, proposing bench and road tests for different carburetters and analysis of air valve behaviour. | ||
| View original record | HS. FROM R. C. to SG. BY. [Text is struck through] CARBURATION. Our petrol consumption is increasing rather alarmingly. We hope that this will not be worse with the fixed carburetter. I suggest that… | ||
| Scan207 | Friction clutch issues in 45HP & 25HP cars, focusing on gear change difficulty and a proposed material change for the American market. | ||
| View original record | HS. FROM R. C. to SG. BY. C. to DA. 45HP. & 25HP. CARS. FRICTION CLUTCHES. x7772 x7480 x5480 I have agreed to the fabric being carried on the disc, but I am not sure that we have the driven disc… | ||
| Scan208 | Proposed locomotive-style brake shoe design to address front brake squeaks. | ||
| View original record | HS. FROM R. C. to SG. BY. C. to DA. BRAKES. I understand that brake squeaks are from the front brakes chiefly. We have asked DA. to produce a design of shoe pivoted as a locomotive brake. This may… | ||
| Scan209 | Elusive oil leak at the rear end of a P.2. crankshaft and proposing diagnostic tests and modifications. | ||
| View original record | HS. FROM E. C. to SG. BY. (Struck through) C. to GWH. (at Chateauroux.) (Struck through) Handwritten: Send this to GWH Hk re. OIL LEAK AT REAR END OF P.2. CRANKSHAFT. The above trouble is a somewhat… | ||
| Scan210 | Agreements and proposed changes to the extra wiring for headlamps, side lamps, and centre lamps. | ||
| View original record | FROM DA/EV. C. to CX. HS. C. to EP. JHM. (struck out) P. 2. re. EXTRA WIRING. DA/EV2/M12.7.30. X7560 We thank you for BY/CGH5/G5730. and print of D. sch. 417. (1) We agree to the headlamp wires being… | ||
| Scan211 | Modifications to the rear end of a P.2 vehicle, including the petrol tank and luggage grid. | ||
| View original record | HS. ) FROM DA/EV. BY. ) Copy to - SG. R. DA/EV1/M12.7.30. REAR END OF P.2. WHEN NO REAR SPARE WHEEL IS FITTED. x7770. x7460 x7400: At the request of SG. early this year we took steps to clean up the… | ||
| Scan212 | Optimal size for radiator tubes and their effect on engine cooling and performance. | ||
| View original record | HS. FROM R. Copy to SG. Copy to WOR. Copy to BY. re. CAR WORK. R1/M14.7.30. x7250 x766. x7260. It appears from your memo. HSRM 97 that you have tested smaller radiator tubes than the 6 m/m standard. I… | ||
| Scan213 | Design and policy for fitting front aprons as a standard part of the chassis. | ||
| View original record | [Strikethrough]SG.[/Strikethrough] FROM R. Copy to HS. Copy to [Strikethrough]BY.[/Strikethrough] Copy to [Strikethrough]G.[/Strikethrough] FITTING OF FRONT APRONS TO CARS I agree that an apron at the… | ||
| Scan214 | Increase in the number of bolts on the front exhaust expansion box flange from 4 to 8. | ||
| View original record | FROM DA. Copy to HS. P. 2. EXHAUST SYSTEM - FRONT EXPANSION BOX. DA1/M15/30 ORIGINAL x 7230. With reference to HS/RM1/MJ11730., we suggest that the flange connecting the down pipe with the expansion… | ||
| Scan215 | Technical memo discussing chassis and coachwork issues regarding rear wheel arch dimensions and scuttle isolation. | ||
| View original record | [Crossed out: BY.] ) FROM DA/EV. HS. ) [Handwritten: HJL ORIGINAL] [Handwritten, crossed out: x7770] [Handwritten, crossed out: x5770] [Crossed out: Copy to C. (for Sales.)] [Underlined: Copy to WOR.… | ||
| Scan216 | List of technical points and issues regarding vehicle body and subframe construction. | ||
| View original record | (2) (3) P. 2. SUBFRAME CENTRE BEARING. We repeatedly find on mounting a body that the subframe rests on the fore and aft bearings without packing, and is quite clear of the centre bearing.… | ||
| Scan217 | Design issues and proposed modifications for louvered bonnets, castight levers, and floorboards. | ||
| View original record | (3) (9) P. 2. LOUVRED BONNETS. We have already written to you about the soft metal and the arrangement of the stiffeners in the bonnets of P. 2. We would be glad if you would tell us the difficulties… | ||
| Scan218 | The application of automatically adjusting valve tappets to the P. 2. engine. | ||
| View original record | FROM E. Copy to SC. Copy to HS. P. 2. AUTOMATICALLY ADJUSTING VALVE TAPPETS. We send herewith LeC. 2808. shewing the above. We think that when it comes to a multi-cylinder engine of the pushrod… | ||
| Scan219 | Proposed modifications to steering wheel controls, including flattening and switch placement. | ||
| View original record | PY. FROM DA. C. to SG. HS. P. 2. CONTROLS ON STEERING COLUMN. DA1/M19.7.30. X7240. X7430. ORIGINAL We send herewith N. schs. 3130/31. shewing the proposed controls above the steering wheel still… | ||
| Scan220 | Test report on a 25HP car fitted with a Double Zenith Carburetter. | ||
| View original record | SG. FROM R. Copy to WOR. Copy to HS. Copy to RY. 25HP. CAR WITH DOUBLE ZENITH CARBURETTER. I drove this car for some miles and was very impressed with the carburetter, which appeared to be quite as… | ||
| Scan221 | Design review of a car, praising its shape and modifications but noting a safety issue with the doors. | ||
| View original record | S.G. FROM R. C. to LHS. BV. C. to WOK. HS. 2nd. L.H. P. 2. R6/M19.7.30. ORIGINAL This appears to be the best car that has ever been brought to WW., which as a full size car was remarkably small in… | ||
| Scan222 | The design and standardisation of the bonnet, instrument board, and front apron for a new L.H. P. 2 model for America. | ||
| View original record | SG. FROM DA/EV. Copy to - HS. 2nd. L.H. P. 2. FOR AMERICA. [Handwritten numbers in top right corner:] x7772 x7860 x7530 x4531 [Green stamp: ORIGINAL] This car came to WW. and the appearance of the… | ||
| Scan223 | Proposed increase in wheel track to fix radiator issues and questioning its progress and implications for steering and wheel arch clearances. | ||
| View original record | FROM DA. Copy to HS.✓ ORIGINAL P. 2. WHEELS. DA2/M22.7.30. x7810 It will be remembered that when the experiments were in progress to overcome radiator jellying it was proposed to increase the outer… | ||
| Scan224 | Arguing against the use of wooden subframes in favour of steel for cars intended for the American market. | ||
| View original record | [strikethrough]O/A.[/strikethrough] ) FROM DA/EV. SRN. ) C. to - [strikethrough]SG.[/strikethrough] C. to - HS. ✔ re. SUBFRAMES FOR RRAI [STAMP: RECEIVED] [STAMP: ORIGINAL] x7772 x7380 In view of… | ||
| Scan225 | Failure of P.2 subframe rear support brackets and requesting an investigation. | ||
| View original record | HS. FROM DA/EV. C. to SG. BY C. to WHR. [crossed out] P. 2. SUBFRAME REAR SUPPORT BRACKET. DA/EV2/M22.7.30. xZ380 As you are aware the subframe rearsupport brackets on FN's, and SA's cars have failed.… | ||
| Scan226 | Request for a layout regarding an issue with axle buffers fouling under conditions of extreme roll. | ||
| View original record | BY. FROM DA. Copy to HS. P. 2. AXLE BUFFERS. DA1/M22.7.30. - x3864 With reference to BY/CGH12/G18730.., could you send us a layout of the axle striking the buffers under conditions of extreme roll. In… | ||
| Scan227 | Electric clocks, their origin, and issues with framed instrument patches. | ||
| View original record | EFC. FROM DA/EV. C. to SG. R. C. to PN. HS.✔ DA/EV3/M22.7.30. x4682. ELECTRIC CLOCKS. We thank you for your EFC6/AD18730. (1) We want an electric clock at least ostensibly of British origin for use in… | ||
| Scan228 | Description and patent suggestions for a non-expanding carburetter's accelerator pump. | ||
| View original record | BY. FROM E. C. to SG. HS. BY/NW. C. to Mr. CLAREMONT. ORIGINAL NON-EXPANDING CARBURETTERS. E1/M23.7.30. X7080. In connection with the above R. has made one or two suggestions which appear to be novel,… | ||
| Scan229 | Description of a carburetter's starting device, piston valve, and other novel features of the P. 2. non-expanding carburetter. | ||
| View original record | (2) RECEIVED This piston valve if given sufficient stroke could be used as an alternative delay action device, but this is not intended. The novel features of this scheme we believe are the provision… | ||
| Scan230 | Sending schemes for pipe coils related to the 20/25HP centralised chassis lubrication system. | ||
| View original record | PY. FROM DA. C. to SC. BS. 20/25HP. - CENTRALISED CHASSIS LUBRICATION. DATE 24.7.30. X3806 XS350. X5420. ORIGINAL Herewith we send N. schemes 3135/6. shewing the pipe coils for leading on to… | ||
| Scan231 | Improved aero engine cylinder construction with a new steel and rubber ring joint design. | ||
| View original record | BX. FROM E. C. to SG. WOR. RG. C. to HS. DY/WW. C. to Mr. CLAREMONT. CYLINDER CONSTRUCTION. STAMPED: RECEIVED STAMPED: ORIGINAL HANDWRITTEN: x3866, x4440, x2446 During the discussion of RG. and HS. on… | ||
| Scan232 | The design, modifications, and fitting instructions for a Front Apron (P.2) on the Phantom chassis. | ||
| View original record | TO BY. FROM DA. C SG. WOR. HS. ORIGINAL EV1/G. 24.7.30. X4851. FRONT APRON - P.2. We send herewith N. Sch. 3138 showing a front apron for Phantom. It is a design only suitable for us to make and fit… | ||
| Scan233 | Arrangement of controls for the starting carburetter with a single universal joint. | ||
| View original record | BY. FROM DA. Copy to SG. Copy to HS. P. 2. CONTROLS FOR STARTING CARBURETTER, ETC. ORIGINAL DA1/M25.7.30. x7240. x7280 Your BY/CGH7/G18730., has been passed to us by E., and we send herewith N. sch.… | ||
| Scan234 | Request to send longer bolts to coachbuilder Barker's for a body's rear support. | ||
| View original record | HS. FROM DA/EV. DA/EV2/M25.7.30. ORIGINAL X7120 X7830 26-EX. - BODY FOR R. Barker's tell us that they have needed another .500" of rubber on the rear supports for thisbody when the centre support is… | ||
| Scan235 | Leaking backing light switch and potential design or fitting modifications to fix the issue. | ||
| View original record | FROM DA. Copy to HS. BACKING LIGHT SWITCH. With reference to the report of the 10,000 mile car after 6,000 miles (24-EX.) would you please say whether you consider the leaking from the backing light… | ||
| Scan236 | Request for replacement copies of mislaid drawings for a battery, a petrol tank fitting scheme, and a related critical note. | ||
| View original record | DY. FROM DA. Copy to HS. ORIGINAL RECEIVED 15 AUG 930 DA1/M14.8.30. Unfortunately owing to a rather vigorous spring cleaning during the holidays we have mislaid the drawings of the proposed moulded… | ||
| Scan237 | Modifications to petrol tank fittings, reserve tank device, and luggage grids. | ||
| View original record | SG. FROM DA/EV. C. to LHS. C. C. to HS. HH. P. 2. - REAR OF CAR WHEN NO SPARE WHEEL IS FITTED. (1) EXCRESCENCES ON PETROL TANK. As far back as last Feb. 6. we sent Derby a design for a modified… | ||
| Scan238 | Design requirements for a luggage grid, rear apron, and petrol tank. | ||
| View original record | (2) ORIGINAL (3) - (contd.) The folded arm type of grid as shewn in the photographs of the American P.1. admittedly looks very neat, but it willbe seen that it does not fulfil Sales requirements. It… | ||
| Scan239 | Report addressing points arising from a 6,000-mile test of the 24-EX vehicle. | ||
| View original record | HS. ) FROM E. BY. ) C. to SG. WOR. EP. C. to HS. for GWH. RECEIVED 18 AUG 1930 ORIGINAL E2/M15.8.30. X7941d X7772. L.H. P. 2. - POINTS ARISING OUT OF REPORT ON 24-EX. AFTER 6,000 MILES. These are… | ||
| Scan240 | Potential improvements for shutters, carburation, and dynamo charging. | ||
| View original record | (2) Regarding the action of the shutters we think that a set should be fitted up having considerably more slack in all bearings and definitely arranged to operate with about one third of the… | ||
| Scan241 | New locomotive-type brake shoe design for the front axle to address brake squeaking. | ||
| View original record | ~~BY~~ FROM DA. ORIGINAL. DA2/M16.8.30. X7420. X7930. C. to ~~SG.~~ HS. BRAKE SQUEAKING. Herewith we send N. sch. 3140. shewing the locomotive type brake for the front axle in accordance with R's… | ||
| Scan242 | Modifications to the bonnet, dash, and radiator for the 20/25HP model. | ||
| View original record | BY. FROM DA. C. to HS. E. C. to SG. ORIGINAL. DA1/M16.8.30. RECEIVED 18 AUG 1930 x5250. x5260. 20/25HP. REVISED BONNET & DASH. We thank you for your HS/RM6/AD13830. As we understand that neither SG.… | ||
| Scan243 | Scheme for the 20HP centralised chassis lubrication system on the front axle. | ||
| View original record | DY. FROM DA. (DY. is crossed out) C. to SG. HS. (SG. is crossed out) ORIGINAL (Stamp) DA1/M18.8.30. x3806. X5420. 20HP. CENTRALISED CHASSIS LUBRICATION CARRIED ON TO FRONT AXLE. We send herewith N.… | ||
| Scan244 | The failure of aluminium exhaust boxes and suggesting a switch to cast iron or other stronger alloys. | ||
| View original record | HS. ) FROM R. BY. ) [crossed out] C. to - SG [crossed out] C. to - WOR. [crossed out] C. to - DA. [crossed out] [Stamp: ORIGINAL RECEIVED 22 AUG 1930] P. 2. EXHAUST SYSTEM. & As the aluminium exhaust… | ||
| Scan245 | Piping arrangement for the centralised chassis lubrication system on the 20/25HP model. | ||
| View original record | BY: FROM DA. C. to SG. HS. ORIGINAL. 20/25HP. - CENTRALISED CHASSIS LUBRICATION. We send herewith N. sch. 3142. shewing the arrangement of the piping on the rear axle in connection with coupling the… | ||
| Scan246 | Brake thumping and carburation performance of a 25HP car following a 700-mile drive. | ||
| View original record | HS. ) FROM R. BY. ) C. to SG. WOR. C. to DA. E. [Stamp: RECEIVED 22 AUG 1930 HS] 25HP. CAR (JAPAN). R1/M20.8.30. x5770 x5080 x5000 BRAKES. During the holidays I drove the 25HP. car (Japan) about 700… | ||
| Scan247 | Engine oil consumption and potential remedies to increase the oil reserve. | ||
| View original record | (2) ENGINE OIL CONSUMPTION. This was rather heavy, and coupled with the fact that the engine does not carry much oil in thecrankchamber something should be done to increase the reserve of oil so that… | ||
| Scan248 | The proposal to place the starting carburetter control stop on the dashboard. | ||
| View original record | FROM DA. Copy to HS. ORIGINAL DA4/M21.8.30. X7240. X7280. P. 2. STARTING CARBURETTER CONTROL. In reply to BY/CGH8/G15830., we propose to put the stop on the dashboard and will sendyou a sketch in the… | ||
| Scan249 | Design features of new, non-expanding twin carburettors. | ||
| View original record | HS. ) FROM R., E., BY. ) & E/CLJ. Copy to SO. WOR. [STAMP: RECEIVED ORIGINAL ACC AUG 25 1930] R1/M21.8.30. P. 2. TWIN CARBURETTERS. x7080. After several weeks of careful designing work we are just… | ||
| Scan250 | Page from a memo discussing carburetter design improvements and their potential application. | ||
| View original record | (2) (5) The main jet is arranged to take its inlet diffuser air from a perfectly safe and undisturbed position between the 2 venturii and it enters the main jet at a higher level than the diffuser… | ||
| Scan251 | Design of the L.H. P. 2 sump drain plug, comparing an original design with a newer one featuring an insert. | ||
| View original record | FROM E. Copy to BG. [crossed out] Copy to WOR. [crossed out] Copy to HS. E1/M21.8.30. x7000. x7190. L.H. P. 2. SUMP DRAIN PLUG - LeC. 2788. re. BY1/G20.8.30. The original of LeC. 2788. shewed the sump… | ||
| Scan252 | Replacement of the 'China' engine with the 'Japan' engine, citing advantages in reliability and suitability for double carburetter and ignition. | ||
| View original record | HS. ) FROM R. DY. ) [Struck through] C. to SG. WOR. [STAMP: RECEIVED] [STAMP: ORIGINAL] 'JAPAN' R6/M22.8.30. X5770. Referring to the 'Japan' engine we particularly want this to replace the 'China'… | ||
| Scan253 | The urgent need to improve the change gear position for the Phantom engine. | ||
| View original record | HS. ) FROM R. BY. ) Copy to SG. Copy to WOR. CAR WORK - CHANGE GEAR POSITION. X7510 X5310 X623 We are looking upon this as a very urgent matter. It is difficult to get anything sufficiently good -… | ||
| Scan254 | Progress of an experiment fitting a Salerni coupling to model 14-EX. | ||
| View original record | PY. FROM DA. Copy to -HS. ORIGINAL SALERNI COUPLING. We hope that the experiment in connection with fitting a Salerni coupling to 14-EX. is progressing as rapidly as possible. Information as to the… | ||
| Scan255 | Confirming the dispatch of drawings for a twin carburetter for the Phantom chassis. | ||
| View original record | P. FROM E. O. to BG. WOH. C. to Mr. HS. ORIGINAL E2/M23.8.30. x7080. RR. TWIN CARBURETTER FOR PHANTOM CHASSIS. We are sending you under separate cover 4 drawings giving the remaining information for… | ||
| Scan256 | Comparative analysis of different cooling system radiator tube configurations and their performance. | ||
| View original record | HS/RM. FROM DA. C to RY F [Handwritten] COOLING SYSTEMS. DA2/M24.8.29 ORIGINAL [Stamp] N250 [Handwritten] N766 [Handwritten] With reference to HS/RM2/MJ21829. we think there is still something… | ||
| Scan257 | The design and standardization of a K.S. petrol gauge tank fitting. | ||
| View original record | HS. FROM DA/EV. C. to SG. BY. [crossed out] A.J. ORIGINAL DA/EV5/M26.8.30. x4038 x7060 re. K.S. PETROL GAUGE TANK FITTING. We do not know whether we replied to your HS/AJL1/MJ23730., reporting on the… | ||
| Scan258 | Options for replacing the standard Klaxon horn, including sourcing from Bosch, Klaxon, or manufacturing in-house. | ||
| View original record | FROM DA/EV. ORIGINAL DA/EV1/M26.8.30. Copy to Copy to re. HORNS. X.11632 X.6031 X.7550 Since the early part of 1929. R. and the Exp. Dept. have criticised our standard Klaxon, and efforts have been… | ||
| Scan259 | Screwing oil sump and filter sludge drain plugs directly into aluminium components. | ||
| View original record | P/. FROM E. C. to SG. C. to WOR. C. to HS. ORIGINAL RECEIVED 27 SEP 1930 EL/M26.8.30. X7090 X7190. OIL SUMP AND FILTER SLUDGE DRAIN PLUGS SCREWED DIRECT INTO ALUMINIUM. It is not desired to unduly… | ||
| Scan260 | Queries about radiator mounting and lubrication for the 24-EX 10,000 mile car. | ||
| View original record | TO: HS. FROM DA. GWH ORIGINAL DA1/M28.8.30. 7941.d. 24-EX. - 10,000 MILE CAR. With reference to the report (HS1/WJ25830.) on the 10,000 Mile car - 24-EX. (1) What radiator mounting was used. The… | ||
| Scan261 | Radiator water loss and the design of a square tube radiator for the Phantom II. | ||
| View original record | HS. ) FROM R. BY. ) [Strikethrough] C. to SG WOR [Strikethrough] PHANTOM 2. LOSS OF RADIATOR WATER. After asking EV. to compare the capacities of the old and new radiator tanks we have come to the… | ||
| Scan262 | Radiator design, bonnet ventilation, and improving bonnet louvres and locks. | ||
| View original record | (2) carry less water and perhaps make a stronger structure. It should not cost any more money, but possibly may not weigh less owing to the increased cooling surface presented, the area inside the… | ||
| Scan263 | Radiator shutter friction, rejecting a spring solution in favour of modifying the lower bearing design. | ||
| View original record | ORIGINAL HS. ) FROM R. ~~DY.~~ ) ADDITION TO R1/M31.8.30. x7770. x7250. x3499. ~~C. to SG. WOR.~~ P. 2. RADIATOR. Referring to HS/RM's report on radiator shutter friction, and the suggestion of a… | ||
| Scan264 | Outlining a scheme for a new radiator using a spring-loaded valve and short nozzles to prevent water loss. | ||
| View original record | FROM E. C. to HS. re. DISCHARGE NOZZLE FOR NEW RADIATOR. x7250. We have in hand a scheme for using a spring loaded valve in conjunction with the cap to shut in the top tank of the radiator and stop… | ||
| Scan265 | Document LeC. 2816, showing an induction pipe and hot spot for a twin carburetter. | ||
| View original record | P.Y. FROM E. Copy to SC. Copy to HS. ORIGINAL PHANTOM RECEIVED E2/M31.8.30. x7080 Herewith please find LeC. 2816., shewing induction pipe and hot spot for the twin carburetter. E. | ||
| Scan266 | Future of compression ignition engines, specifically comparing 2-cycle and 4-cycle designs. | ||
| View original record | RG. ) FROM R. HS. ) C. to SC. WOR. ORIGINAL COMPRESSION IGNITION ENGINE. FUTURE. We have done fairly well with our unit but it does not seem possible that the best engine for weight/power ratio will… | ||
| Scan267 | Single sleeve two-cycle and four-cycle engine designs, referencing Ricardo's work and the development of new cylinder models. | ||
| View original record | (2) adapted to compression ignition with special features, it may be patentable and useful. It seemed at first to be only suitable for small sizes but by using 3 or 4 exhaust valves instead of a… | ||
| Scan268 | Listing textual alterations for a previous memo concerning the Phantom II. | ||
| View original record | WOR. ) HS. ) FROM RS. DY. ) ORIGINAL PHANTOM 2. RS3/M1.9.30. Would you kindly observe the following alterations to memo. R1/M31.8.30:- (1) The word "and" should be inserted before 'stated' in the last… | ||
| Scan269 | Summary comparing different change gear (gearbox) schemes, focusing on silence and ease of use. | ||
| View original record | -SG. ) FROM R. HS. ) C. to C. WOR. BY. C. to C. EP. PN. ORIGINAL CHANGE GEAR SUMMARY, UPON WHICH OUR WORK IS BASED. It is understood and agreed that at least we must have a more silent 3rd. speed, but… | ||
| Scan270 | Comparing freewheel, jaw clutch, and synchro-mesh gearbox designs from various automotive manufacturers. | ||
| View original record | (2) FREEWHEEL & JAW CLUTCH. STUDEBAKER. (1) Only applied to 4th. & 3rd. The specimen borrowed last week failed before leaving London and was changed for a Graham-Paige - very recently adopted. (2)… | ||
| Scan271 | Oil leakage from the back of 20/25 and 40/50 gearboxes and the correct placement of a drain hole. | ||
| View original record | DY. FROM DA. (DY. is struck through) Copy to HS. ORIGINAL DA5/M2.9.30. x7.310. y5310. 20/25 & 40/50 GEARBOXES. LEAKAGE OF OIL FROM BACK OF BOX. Replying to BY3/G20830., the scheme which has always… | ||
| Scan272 | Failures in chromium plating and suggesting a more reliable and cost-effective method using a nickel undercoat. | ||
| View original record | ~~BY.~~ ) FROM R. HS. ) ~~Copy to SC.~~ ~~Copy to - WOR.~~ ~~Copy to - C.~~ ORIGINAL R1/M4.9.30. RECEIVED SEP 19 1930 x4442 re. CHROMIUM PLATING. I have recently seen several failures of this both… | ||
| Scan273 | Modifications to the radiator shutters and bottom bearings for the 20/25HP model. | ||
| View original record | FROM E. ORIGINAL P. 2. RADIATOR SHUTTERS, & 20/25HP. We send herewith LeC. 2819. shewing modifications to the bottom bearings of the above for the purpose of reducing the friction at this point to… | ||
| Scan274 | Use of 'Air Maze' gauze screens as air filters for cars intended for Australia and India. | ||
| View original record | FROM E. Copy to SG. [Struck through] Copy to WOR. [Struck through] Copy to HS. ORIGINAL E1/M9.9.30. AIR FILTERS - LeC. 2803. x7080 x4037 Referring to your memo. BY/MTN17/N25830., concerning the… | ||
| Scan275 | Instructions to modify the 20/25HP propeller shaft to address vibration issues by increasing its diameter and theoretical whirling speed. | ||
| View original record | HS. } FROM DA. ~~BY.~~ } ~~C. to SG. WOH.~~ ORIGINAL DA2/M11.9.30. 20/25HP. VIBRATIONS. Handwritten: X634. X5340. With reference to HS2/MJ8930., R. instructs that we should try an increased diameter… | ||
| Scan276 | The design of thermostatically controlled shutters, rejecting the use of springs. | ||
| View original record | HS/RM. FROM R. Copy to - SG. [Text is crossed out] Copy to - WOR. Copy to - BY. [Text is crossed out] [STAMP: ORIGINAL] R1/M15.9.30. [HANDWRITTEN: X3499.] THERMOSTATICALLY CONTROLLED SHUTTERS. With… | ||
| Scan277 | Design requirements for thermostatically controlled radiator shutters and associated cooling system improvements. | ||
| View original record | HS. FROM R. C. to SG. WOR. C. to BY. DA. ORIGINAL RECEIVED 7 SEP 1930 THERMOSTATICALLY CONTROLLED RADIATOR SHUTTERS. x7250. x5250. x3499. We do not want any springs on the thermostat working the… | ||
| Scan278 | Confirming the completion of design work for twin carburetter controls with the dispatch of associated documents. | ||
| View original record | BY. FROM E. Copy to SG. Copy to HS. ORIGINAL CONTROLS FOR TWIN CARBURETTER. E1/M17.9.30. x7080. We send herewith LeCs. 2822. and 2823. This completes the design work for the above job. E. RECEIVED SEP… | ||
| Scan279 | Increase in hand brake lever movement for a left-hand chassis. | ||
| View original record | HS. FROM DA. Copy to BY. ORIGINAL DA1/M17.9.30. 2772. 17330. HAND BRAKE ON L.H. CHASSIS. With reference to HS3/MJ11930., as we expect you do not want to reduce leverage on the hand brake it will be… | ||
| Scan280 | Reasons and features for developing a new head for the 'Japan' engine. | ||
| View original record | S.G. FROM R. [S.G. is struck through] Copy to WOR. Copy to BY. [BY is struck through] Copy to HS. ORIGINAL RECEIVED [in a circular stamp with a clock face and the date 23 1930] 25HP. R2/M20.9.30.… | ||
| Scan281 | Requesting information on the increased cooling value of the Anderton Brown tube for radiators. | ||
| View original record | ORIGINAL. P/. FROM E. C. to S.G. (Strikethrough) C. to R.G. (Strikethrough) C. to H.S. E2/H20.9.30. x4607 RADIATORS. Referring to your memo. BY1/G12930., R. would like to know what the increased… | ||
| Scan282 | Design and progress of a two-way foot switch for a central lamp scheme. | ||
| View original record | EFC. FROM E. [Stamped] ORIGINAL [The following is in a box and struck through with a diagonal line] Copy to SG. Copy to PN. Copy to HS. re. TWO WAY FOOT SWITCH OF RR. DESIGN FOR CENTRAL LAMP SCHEME.… | ||
| Scan283 | Design and progress of a two-way foot switch for the central lamp scheme. | ||
| View original record | EFC. FROM E. Copy to SG. Copy to PH. Copy to HS. ORIGINAL! re. TWO WAY FOOT SWITCH OF RR. DESIGN FOR CENTRAL LAMP SCHEME. X. 4520. X4520 In reply to your memo. EFC3/AD18830., we have nothing in hand… | ||
| Scan284 | Radiator shutter friction and a proposed modification to the thermostat linkage. | ||
| View original record | HS. FROM E. Copy to SG. (struck through) Copy to BY. (struck through) RADIATOR SHUTTER FRICTION. E5/M20.9.30. (Handwritten) X3499. X7250. (Stamp) ORIGINAL RECEIVED HS DEP 22 SEP 1930 Referring to… | ||
| Scan285 | Experimental modification to the Phantom clutch plate to reduce its weight. | ||
| View original record | GWH BY. FROM DA. e. to - SG. C. to - HS. ORIGINAL PHANTOM CLUTCH. DA1/M23.9.30. x7480. We send herewith N. scheme 3146., shewing a modification to the standard clutch plate, that is, with the fabric… | ||
| Scan286 | Arrangement of epicyclic trains for a 25HP gearbox for testing purposes. | ||
| View original record | BY. FROM DA. C. to G. HS. ORIGINAL DA1/M25.9.30. x 5310. 25HP. GEARBOX. EPICYCLIC. Herewith we send N. sch. 3147. arrangement of the epicyclic trains on the above gearbox. This is to enable some… | ||
| Scan287 | From 'R' proposing a shared-use car in France for trials, exhibition, and personal use to reduce costs. | ||
| View original record | SG. FROM R. Copy to WOR. Copy to HS. Copy to PA/EV. ORIGINAL RECEIVED SEP 29 1930 H R's CAR FOR FRANCE. R1/M26.9.30. x 8992 To reduce the cost of a car going to France for my use and criticism, can we… | ||
| Scan288 | Requesting a set of new Marchel headlamps for testing and comparing bulb amperage against French and German lamps. | ||
| View original record | MNG. (Paris) FROM DA/EV. ORIGINAL DA/EV3/M26.9.30. Copy to - SC. HS. X1357 X5800 X7800. re. HEADLAMPS. When I saw you in Paris you told me of a new Marchel headlamp complying with the recent French… | ||
| Scan289 | Specifications for building a replica of the 26-EX experimental car. | ||
| View original record | [Struck through: MINS. FROM DA/EV.] [Struck through: to SG. WOR. C.] [Struck through: to R. BY.] [Struck through: to E. DA.] re. NEW CAR FOR R. DA/EV4/M26.9.30. ORIGINAL x8992. x7120. x7770. We… | ||
| Scan290 | Decision not to retain a Quadruplex pump due to concerns about wear from grit and sand. | ||
| View original record | HS/RM. FROM E. ORIGINAL E1/M27.9.30. QUADRUPLEX PUMP. x4461. Re. your memo. HS/RM1/WJ15930., I do not think R. wishes to retain the above as he thinks it would be rather liable to wear badly due to… | ||
| Scan291 | Suggesting an investigation into matching the thermal expansion coefficients of aluminium and steel alloys for aero engine components. | ||
| View original record | BY. ) FROM R. L. ) C. to EG. WCR. (Struck through) C. to RD. HS. re. S.A.E. JOURNAL SEPTEMBER 1930. R3/M29.9.30. 03032 From some information we have seen in the above, E. suggests that HL. be asked to… | ||
| Scan292 | Improvements and the standardisation of the radiator and cooling system for the P.2 & 25HP models. | ||
| View original record | HS/RM. FROM R. C. to - SG. C. to WOR. [Strikethrough] C. to - BY. [Strikethrough] CAR WORK. P. 2. & 25HP. COOLING. Referring to HS/RM1/MJ24930., I am very pleased to hear that you agree with the… | ||