Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 9\7\        Box Selection

IdentifierEntry
07-page001 Design and mounting of the steering box for the Wraith 11 model.
View original record To BY. Copy to Hs/Rm. Dev. RHG. x4044 E/Ev.1/MN.3.4.36. F.T.H [Signature] Rm Any comments [Signature] Rm WRAITH 11. Steering Box and Mounting. We send herewith N.Sch. 4789 showing the steering box and…

07-page002 Steering column and box details for various car models.
View original record -2- and column It will follow that the steering box is common to all angles of column, the only part special to each steering being the orientation of the master serration on the pendulum lever boss.…

07-page003 The design of the Wraith II Side Steering Tube, comparing it with other models.
View original record To EV. Copy to Bar. Hs/Rm. RMO? F.J.H. Wraith II Side Steering Tube. On N.Sch.4791 herewith we send the design of the Wraith II side steering tube. The size of the rear ball is intermediate between…

07-page004 Wraith II steering levers and the layout of the steering gear, referencing schematic N.Sch.4822.
View original record F.J.H. 650 Mr. (struck through) c. Mr. (struck through) Hs/Fm. RHC. Sft. Da.4/HP.18.6.36. Wraith II - Steering Levers. Herewith is N.Sch.4822 shewing the side and centre steering levers, and the…

07-page005 Modifications to the Wraith II steering column box support.
View original record To Mr. [struck through] 650 WRAITH E/Ev.9/LN.23.6.36. Copy to Mr./Hs/Rm. Wraith II Modified Steering Column Box Support. Due to alterations in the width of the chassis frame at the front the steering…

07-page006 Alternative joint design for the Wraith II side steering tube.
View original record TO BL. Copy to Hs/Rm. THOS F.J. HARDY. Wraith II Side Steering Tube. We have already sent you on N.Sch.4791 a scheme for the Wraith II side steering tube, in which the forward joint is a scaled down…

07-page007 Design and specifications of the Wraith II steering ball joint.
View original record To-Ev. Copy to Dr. R.H.O. Hs/Rm. Ma/Rm. X1249 E/Ev.1/MN.6.7.36. 65 F.J. Hardy Wraith II Steering Ball Joint. We have already sent to you the geometry which determines the length of the cross steering…

07-page008 Design of the Wraith II steering ball joint.
View original record To EV. Copy to [Redacted] Ha/HDY. Wraith II Steering Ball Joint. We have already sent to you the geometry which determines the length of the cross steering tubes on Wraith II. On N.Sch.4849 herewith…

07-page009 Scheme from Adamant Engineering for holding together inner races of a roller follower for the Wraith II steering gear.
View original record To E. c. to By. c. to Da. c. to Ev. [Handwritten]: [crossed out text] 63 0 Hs/PJH.17/JH. 9.7.36. WRAITH II STEERING. When we visited the Adamant Engineering Co. yesterday, they showed us a scheme of…

07-page010 Drawings for the Side Steering Tube Layout and Starting Handle forward Bearing for the Wraith II.
View original record x/o##650. To BY. Copy to Hs/Rm. JWC. E/Ev.4/MN.14.7.36. HARDY WRAITH II. Side Steering Tube Layout and Starting Handle forward Bearing. We send herewith N.Sch.4858 (2 sheets) showing the layout in…

07-page011 The redesign of the Wraith II steering column's pendulum lever, changing from a stiff to a more elastic design.
View original record To BY. [Text Struck Through] Copy to Da. [Text Struck Through] Hs/Rm. RHC. [Text Struck Through] Hs/HDY. [Handwritten]: X1044 650 [Handwritten]: Rm [Handwritten]: F.J.H E/Ev.6/MN.17.7.36. Wraith II…

07-page012 Design modification to the Wraith II steering column pendulum lever, shifting from a belief in rigidity to elasticity.
View original record To BY. Copy to Da. Hs/Rm. RHC. Hs/HDY. *OH#650 E/Ev.6/MN.17.7.36. P.J.H ---------------------------------- Wraith II Steering Column. ---------------------------------- On N.Sch.4789 we showed a very…

07-page013 Retainer design for the cam follower ball bearing in the Wraith II steering box.
View original record To BY. Copy to Da.RMG. Ha/Rm. HARDY. E/Ev.2/LN.18.8.36. [handwritten signature: F J HARDY] Wraith II Steering Box. N.Sch.4866. In response to Ha/FJH.17/JH.9.7.36., we have provided a means for…

07-page014 Confirming an urgent request to build a Wraith steering gear to check the compatibility of cams and rollers from the Adamant Co.
View original record To RHC. KINDLY 632 Hs/FJH.20/KW.23.9.36. Wraith & Continental Phantom III Steering. This is to confirm that we have asked you to make a Wraith steering gear as soon as possible as this is the only way…

07-page015 Requesting the steering stops for the Wraith II be put on the yoke piece as designed for the Bentley III.
View original record To HY. Copy to Da. Hs/Rm. X L004 650 E/Ev.6/MN.14.10.36. Wraith II Independent Front Suspension. Steering Stop. We would be glad if you would arrange to put the steering stops on the Wraith II on the…

07-page016 Assembly of the cam wheel bearing for the Wraith II steering, arranging for new parts and suggesting their fitment.
View original record Hogg 65° To RHG/Hollingsworth. Copy to Da. BY. Rm. E/Ev.2/MN.26.10.36. F.J. HARDY. Wraith II Steering. ------------------ With reference to our discussion concerning the assembly of the cam wheel…

07-page017 Modifications to the side and cross steering tubes for the Wraith II model.
View original record To HY. [crossed out] Copy to Dr. Rm. RMG. Sft. [crossed out] ----------------------- 650 [handwritten] 1044 [handwritten] F.T.H. [handwritten] E/Ev.5/MN.10.11.36. ----------------------- Side and…

07-page018 Proposal for a simplified steering tube adjustment for the Wraith II and P3 chassis.
View original record F.J.H 10664 650 To: [REDACTED] from REC. c. to Rm. RHC.2/CB.18.11.36. WRAITH II STEERING TUBE ADJUSTMENT. We attach hereto BP. Ex.25145, showing a simplified form of steering tube adjustment, suitable…

07-page019 Cross-section drawing of a simplified steering tube adjustment mechanism for the P3 and Vulture II.
View original record [ "Ex25145", ".870 FITTING DIA:", "SCREW. 26 TPI", "13 swg", ".875", "TUBE AS P'D", "P3 + VULTURE II", "SIMPLIFIED STG. TUBE ADJUSTMENT", "ROLLS-ROYCE", "HUCKNALL AERODROME", "18 NOV 1939" ],

07-page020 The design and cost investigation of Wraith II side and cross steering tubes.
View original record To BY. Copy to E. Da. Rm. RHC. RHC/HPS. F.J. HARDY Wraith II Side and Cross Steering Tubes. We have already sent to you LeC.5351 and LeC.5354 showing respectively the front end of the side steering…

07-page021 Instruction to apply a butted tube design from the Bentley III to the Wraith II side and cross steering tubes.
View original record 650 LOH To DY. Copy to Dr. Rm. RHC. WRS. E/Sv.2/LN.16.12.36. F.J.HARDY Wraith II Side and Cross Steering Tubes. We have been informed that the butted tube to N.Sch.4974 for Bentley III is the design…

07-page022 Modifications to the Wraith steering gear.
View original record SECRET 1044 . 650 To E. from Rm/FJH. c. to By. c. to Da. c. to Ev. WRAITH STEERING GEAR. We wish to suggest the following modifications to the Wraith steering gear, in view of experience gained…

07-page023 Design improvements for the Wraith II steering pivot lubrication system, comparing it with existing and Bentley standard schemes.
View original record 16G9 SECRET To EY. Copy to Dr. Rm. RMC. HPS. E/Ev.2/MN.13.1.37. LES. Independent Front Suspension - Wraith II Steering Pivot. ------------------------------------------------------ The scheme for…

07-page024 Proposal to abolish the 'F' type steering column for the Wraith II model.
View original record SECRET. To EV. Copy to Sa. RHS. RME. HJS. WFD. W.DDY. W/JAR. Handwritten: 1044 69 Wraith II Steering Columns. It is proposed to abolish the "F" type steering on Phantom lll and 25 H.P. chassis, and we…

07-page025 Non-standard steering components for a Wraith model, with usage restrictions.
View original record LOGG 6-30 To Rm. from HPS/FS. c. to HPS. HPS/FS.1/CB.26.1.37. WRAITH. We wish you to note that the main centre steering lever GW.1083 has been made from a hand forging. Also the cross steering tube…

07-page026 Requesting the anodising of an aluminium steering control quadrant at Hucknall.
View original record To HPS. from Rm/FJH. Y 1044 650 Rm/FJH.2/AP.4.2.37. STEERING CONTROL QUADRANT IN ALUM. Will you please arrange to have the alum. steering control quadrant which we hand you herewith anodised at…

07-page027 Cost estimate comparison for the steering column and box between a Wraith chassis and a 25/30HP chassis.
View original record To E. from G/Rb. 650 G/Rb.2/K/73/W.4237 c. to Rm/FJH. F.J.H Wraith Chassis - SEC.7050. Steering Column and Box - LOP. FW.715. --------------------------------------- We have now completed the…

07-page028 Specification for cost-saving modifications to the steering gear for the Second Wraith car.
View original record SECRET To HPS. from Rm/FJH. Rm/FJH.5/AP.8.2.37. STEERING GEAR SPECIFICATION FOR SECOND WRAITH CAR. We wish to make a number of modifications to the Wraith Steering gear for the purpose of saving cost.…

07-page029 Typed instruction to remove excess metal from the feet of a steering box and its mounting clips.
View original record -j- Rm/JH.5/AP.8.2.37. Will you please also remove the excess metal on the feet of the steering box and the clips holding it to its mounting as shewn on Rm.308. Rm/FJH.

07-page030 Modifications to the Wraith II side steering tube and its potential use on Bentley cars.
View original record SECRET. VOL.L. 650. S/EV.2/MN.9.2.37. To HY. Copy to EE. HSR. RWC. J.E.L id. Rm/Gry. ****************** Wraith II Side Steering Tube. It is suggested that on the joint of the front end of the Wraith…

07-page031 Modifications to the Wraith II Side Steering Tube and comparing it to Bentley parts.
View original record SECRET To BY. Copy to Da. Rm. RHC. HPS. E/Lid. Rm/Cry. F.J.H. Wraith II Side Steering Tube. It is suggested that on the joint of the front end of the Wraith front side steering tube, N.Sch.4837, the…

07-page032 Modifications to the Wraith II Steering Box recommended by the Experimental Department.
View original record SECRET. To SY. Copy to Dr. [redacted] Mr. [redacted] Mr. [redacted] Mr. H-Y. F/Tld. Wraith II Steering Box. ---------------------- We send herewith N.Sch.5041 showing a series of modifications to the…

07-page033 Details on proposed modifications to the steering box, cap, and column outer tube.
View original record -2- E/Ev.2/MN.12.2.37. 5) Steering Box and Cap. The steering box is to remain a malleable iron casting, although we are proposing to try the box as an aluminium casting experimentally. The steel cap…

07-page034 Modifications to the Wraith II Steering Box.
View original record SECRET. To BY. Copy to Ba. Rm. RHC. HFS. RM/HDY. E/Wd. Handwritten: South 650 E/EV.2/MN.12.2.37. Handwritten: F. GRY Wraith II Steering Box. We send herewith N.Sch.5041 showing a series of…

07-page035 Proposed modifications to the steering box, cap, and outer tube for weight and cost reduction.
View original record -2- 5) Steering Box and Cap. The steering box is to remain a malleable iron casting, although we are proposing to try the box as an aluminium casting experimentally. The steel cap FW.143, has been…

07-page036 Proposing a new, less expensive, and lighter scheme for the Wraith II Steering Box oil ways.
View original record SECRET. To BY. Copy to Ba. Rm. RHC. HPS. Rm/HDY. G/Rb. Wraith II Steering Box. We have been given to understand that the long drillings in the cam rocker shaft to provide oil ways are difficult to do…

07-page037 Proposing a new, lighter and less expensive scheme for the Wraith II Steering Box oil ways.
View original record SECRET. E/Ev.4/MN.17.2.37. To-BY. Copy to Sr. Fer. RMS. [Struck through] HFS. Rm/HDY. [Struck through] G/Nb. [Struck through] 1044 [Handwritten] 650+ [Handwritten] Wraith II Steering Box.…

07-page038 Cost-effectiveness and desirability of a modified rocker shaft and lubrication system for the Wraith II Steering Box.
View original record SECRET. 650 To Rm. Copy to Dr. BY. RHC HFS. Rm/HDY FJH E/Ev.6/MN.25.2.37. What is the answer GRT Wraith II Steering Box. With our E/Ev.4/MN.17.2.37. we issued to you N.Sch.5043 showing a modified…

07-page039 Cost, weight, and design implications of a modified Wraith II steering box.
View original record SECRET. E/Ev.6/MN.25.2.37. To. Rm. Copy to Mr. Er. Hy Hrs. Rm/HDY. 650 Wraith II Steering Box. With our E/Ev.4/MN.17.2.37. we issued to you M.Sch.5043 showing a modified rocker shaft and system of…

07-page040 Bijur oil system for the Wraith II steering box and its application on the Phantom III chassis.
View original record SECRET 650. To Ev. from Rm/FJH. c. to Da. c. to By. c. to RHC. c. to HPS. Rm/FJH.1/AP.26.2.37. WRAITH II. STEERING BOX. Replying to E/Ev.6/MN.25.2.37., we agree with the Design Dept. that the present…

07-page041 Modifications to the Phantom III steering box for Wraith II wheel movement, specifically regarding the cross bolt.
View original record SECRET To BY. Copy to [text crossed out] RM/ROY. E/Ev.4/WN.9.3.37. 650 Phantom III Steering Box for Wraith II Wheel Movement. You will no doubt have heard that it is desired to delete the serrations…

07-page042 Material choice and testing of a steering control quadrant for the Wraith model.
View original record WRAITH To L. from Rm/FJH. c. Hs. c. By. c. Da. c. Ev. c. O/Mr.Naylor. 650 STEERING CONTROL QUADRANT - WRAITH. In connection with the proposal to use die cast aluminium for the steering control…

07-page043 Modifications to the Wraith III steering system to reduce friction, simplify machining, and cut costs.
View original record SECRET 650 To HPS. from Rm/FJH. Rm/FJH.4/AP.15.3.37. WRAITH III. STEERING We have found that on the steering of the Wraith we require less friction from the ball joints and a higher rating with more…

07-page044 Proposed design change for steering columns to simplify production.
View original record 650 To BY. Copy to Da. Rm. HHG. HPS. Rmy/HBY. G/ab. E/EV.1/MN.5.4.37. Re Steering Columns. The Works have pointed out to us the large number of operations required to produce the steering column cam…

07-page045 Side Steering Tube Section 7070 for the Wraith III Chassis.
View original record DA. c. I.D.S. c. Rm/RJH. 650 BY/HEB1/M.6.4.37. WRAITH III.CHASSIS. SIDE STEERING TUBE SEC:7070. Please note in accordance with your verbal instructions to Mr.Cursley, we have issued the above section…

07-page046 Cost-saving suggestion for a built-up cam tube for steering columns.
View original record To. E/Ev. from Rm/FJH. c. E. c. By. c. Da. c. HPS. c. G/Rb. 650 STEERING COLUMNS. Re. your memo E/EV.1/MN.5.4.37. and our verbal discussion concerning same. We attach a print of Rm.352 showing our…

07-page047 Requesting a status update on the development of adjustable side and cross steering tubes for the Wraith and Phantom III models.
View original record SECRET. 650 To Rm. Copy to BY. Da. RHC. HFS. F J H Wraith Side and Cross Steering Tubes. We would be glad if you could let us know the state of development of the adjustable side and cross steering…

07-page048 Progress of adjustable side and cross steering tubes for the Wraith and Phantom III models.
View original record 650 SECRET. To E/Ev. from Rm/FJH. c. By. c. Da. c. RHC. c. HPS. Rm/FJH.13/AP.13.4.37 WRAITH SIDE AND CROSS STEERING TUBES. Re. your E/Ev.7/MN.6.4.37. So far as we are aware no difficulties have arisen…

07-page049 Cost-reduction modification for the steering column cam tube, referencing scheme RM.352.
View original record 650 To BY. Copy to E. Rm. Da. Rm/FJH. HPS. RHC/G.Robinson. E/Ev.11/MN.15.4.37. Steering Columns. With reference to our E/Ev.1/MN.5.4.37 and Rm./FJH.1/AP.4.12.37 concerning our LeC.5601 of the built up…

07-page050 The creation of a new bolt for the cross steering lever on the Wraith III.
View original record SECRET. 650 FJH DRIVE BOLTING OF CROSS STEERING LEVERS - WRAITH III. As there are no XB. type bolts .5" in diameter, we have had to create a bolt for attaching the cross steering lever to the forging…

07-page051 Alteration of the castor angle on the Wraith III steering.
View original record 650 To By. from Rm/FJH. c. E. c. Da. c. Ev. c. HPS. Rm/FJH.4/AP.23.4.37 WRAITH III. STEERING. We find that on the Wraith chassis we require 1 1/2° of castor angle to give a satisfactory amount of self…

07-page052 Proposed welded construction for the Wraith III steering column outer tube as an alternative to brazing.
View original record SECRET. 650 Copy to Dev [Redacted] Rm. Hives. Rowledge C/Insp. E/Ev.2/M.27.4.37. WRAITH III - STEERING COLUMN. It has been suggested by HPS. that the outer tube of the Wraith III. steering column be…

07-page053 Proposal to manufacture the Wraith III steering column using welding instead of brazing.
View original record 650 MEMORANDUM Copy to Lim/Eng'g Chassis E/HY.3/E.17.4.37. WRAITH III - STEERING COLUMN. It has been suggested by Mr. Hives that the outer tube of the Wraith III. steering column be built up by…

07-page054 Requesting a factory cost estimate for experimentally modified steering ball joints for the Wraith III.
View original record 650 To G/Rb. Rm/FJH.20/JH.5.5.37. Wraith III Steering. We attach prints Rm.337/8/9 showing modified steering ball joints which we are trying experimentally on Wraith III. The details of these joints…

07-page055 Recommendation to maintain the dip brazing construction for the Wraith III steering column over the suggested use of welding.
View original record SECRET. Copy to Dr. [redacted] Mr. [redacted] Hm/Rdy. C/[redacted] 65D E/Ev.2/M.13.5.37. WRAITH III - STEERING COLUMN. With reference to our E/Ev.2/M.27.4.37 and the suggestion to use welding instead…

07-page056 Cost-effectiveness of brazing versus welding for the Wraith III steering column assembly.
View original record SECRET. 650 Copy to Dev. Rm. RMOY. RRes. Rm/Hdy. G/Rby F.J.H WRAITH III - STEERING COLUMN. With reference to our E/Ev.3/M.27.4.37 and the suggestion to use welding instead of brazing for the assembly…

07-page057 The delay in producing modified ball joints for the Wraith steering system.
View original record To HPS. from Rm/FJH. Rm/FJH.7/AP.1.6.37 [Handwritten] ✓ [Handwritten] 650 WRAITH STEERING Will you please urge the modified ball joints to Rm.337/8/9 instructed 10 weeks ago in our memo Rm/PJH.4/AP.…

07-page058 Assembly and adjustment issues with the Wraith steering column and box.
View original record SECRET. Copy to Mr- EWH AHG RBC Wm/FJH. 630 R/Ev.4/M.25.6.37. WRAITH STEERING COLUMN AND BOX. --------------------------- In HRC/Cy.S/L.S.3.6.37, addressed to S. and of which you do not appear to have…

07-page059 Lack of similar American steering designs with a detachable end to the box.
View original record -2- E/Ev.4/H.25.6.37. We can find no examples of similar american steerings having a detachable end to the box. We would be glad to receive your views prior to making any modification to the design.…

07-page060 Assembly issues and potential redesign of the Wraith steering column and box.
View original record SECRET. Rm. Copy to Hs. E. By. RHC. RHC/Cy. Rm/PJH. 650 E/Ev.4/M.25.6.37. WRAITH STEERING COLUMN AND BOX. In RHC/Cy.3/LS.3.6.37, addressed to E. and of which you do not appear to have received a copy,…

07-page061 The absence of American steering designs with a detachable end to the box, requesting feedback before design modification.
View original record -2- E/Ev.4/M.25.6.37. We can find no examples of similar American steerings having a detachable end to the box. We would be glad to receive your views prior to making any modification to the design.…

07-page062 The risks of removing steering ball pins and a request to create a special extractor tool for the Wraith and Continental Ph.III.
View original record To HPS. from Rm/FJH. Rm/FJH.1/AP.26.6.37 WRAITH STEERING. We believe that the standard method of removing a ball pin from a pendulum lever is to give the lever a sharp blow on the small end in an…

07-page063 Modifications to the Wraith steering system to improve performance and reduce friction.
View original record To E. from Rm/FJH. c. By. c. Da. c. Ev. 650 Rm/FJH.2/AP.26.6.37 WRAITH STEERING We find that on the steering of the Wraith chassis, as on P.III., it is necessary to have no set up load on the side…

07-page064 Opinion on the adjusting washers and disassembly procedures for the Wraith steering column and box.
View original record To E/Ev. from Rm/FJH. c. Hs. c. E. c. By. c. RHC. c. RHC/Cy. WRAITH STEERING COLUMN AND BOX With reference to RHC/Cy.3/LS.3.6.37 our opinion concerning the points raised are as follows:- Adjusting…

07-page065 Lost Wraith steering box with cut-outs and a request for a replacement.
View original record To HPS. from Rm/FJH. 650 . Rm/FJH.22/AP.2.7.37 WRAITH STEERING The Wraith steering box with holes cut in the sides for the purpose of examining the working of the cam and roller appears to have been…

07-page066 Friction load issues with the Wraith steering ball joints, recommending alterations to the drawings.
View original record To By. from Rm/FJH. c. E. c. Da. c. Ev. c. HPS. Handwritten: 650 Rm/FJH.3/AP.13.7.37 WRAITH STEERING BALL JOINTS. The friction load on the type of ball joint used on thecross steering tubes and the…

07-page067 Cost investigation of modified steering ball joints for the Wraith III.
View original record To Rm/FJH. from G/Rb. 650 F.J.H. G/Rb.1/K/73/R.15737. Wraith III Steering - Modified Steering Ball Joints, Secs: 7070, 7041 Rm/FJH.20/JH.5.5.37. We have investigated the difference in cost of the…

07-page068 Test report on an experimental V-series axle with vertical king pins, focusing on steering performance.
View original record Wraith Steering File C O P Y. To R. from Hs/Rm. c. to BJ. Wor. c. to RG. E. c. to BY. DA. c. to OY. File 15.8.37 650 Hs/Rm4/LG22.9.26. TESTS ON EXPERIMENTAL AXLE. We took a standard V. series axle…

07-page069 Steering performance, discussing geometry, stability, and various pivot configurations.
View original record -2- Hs/Rm4/LG22.9.26. sensation of stability, and as previously stated, the immunity from road shocks is very good. When negotiating very sharp bends at any speed, the steering becomes heavy…

07-page070 Vehicle steering performance, road shocks, and wobbles.
View original record -3- Hs/Rm4/LG22.9.26. for shunting, compared with the new type axle. Self centering is satisfactory, but not decisive with normal pivot lean. With the necessary friction in the steering it becomes…

07-page071 Steering tests investigating the effects of pivot inclination on a new axle design.
View original record COPY. To R. from Hs/Rm. c. BJ. Wor. c. By. Rg. c. E. Da. c. Cy. Hs/Rml/T22.9.26. EAC. VIII. STEERING. PIVOT INCLINATION. The new axle gives remarkably light steering. While we expected the steering to…

07-page072 Steering tests with altered axles and vertical king pins, including a diagram of transversally raked pivots.
View original record -2- The most interesting test was that carried out with a standard axle altered to give vertical king pins (5). In this case with a disc wheel giving centre point steering, the steering was as light…

07-page073 Effects of wheel centre position and transverse rake on steering effort.
View original record -3- Hs/Rml/T22.9.26. shocks, and yet not make the steering appreciably heavier. Normally, if we move the wheel centre 3/4" from the king pin the effort required to shunt the car becomes impossible. To…

07-page074 Technical comparison of Transverse Pivot Inclination and steering effort for different axle series.
View original record Attached to:- TRANSVERSE PIVOT INCLINATION OVERALL STEERING EFFICIENCY ASSUMED AS 60% WHEN CALCULATING LOADS ON THE STEERING WHEEL RIM PIVOT ASSUMED VERTICAL IN LONGITUDINAL ELEVATION TO SIMPLIFY…

07-page075 Comparative blueprint diagram illustrating different axle and pivot arrangements and their effect on steering heaviness.
View original record E.A.C. V SERIES SILVER GHOST T SERIES EXPT. AXLE WITH WIRE WHEELS. V SERIES PIVOTS. NEW AXLE NEW PIVOTS C.2 SERIES EXPT AXLE WITH DISC WHEELS V SERIES PIVOTS. CENTRE POINT VERT VERT 6° 5° 2.5° .616…

07-page076 Modification to the Wraith steering gear to improve clearance.
View original record 650. To Ey. from Rm/FJH. Rm/FJH.8/AP.16.8.37 WRAITH STEERING The crankcase of the Wraith III. unit is wider than that of the 25/30. unit originally fitted to this chassis, with the result that it…

07-page077 Requesting the production of three Wraith steering boxes in cast aluminium for testing.
View original record To HPS. from Rm/FJH. 650 Rm/FJH.6/AP.31.8.37 WRAITH STEERING Will you please make three Wraith steering boxes in cast alum. As soon as these are available they should be fitted to (a) the Wraith…

07-page078 Oil leak on the Wraith type steering gear and requesting a design modification.
View original record 650 To By. from Rm/FJH. Rm/FJH.6/AP.10.9.37 WRAITH TYPE STEERING GEAR. We find that on the Wraith type steering gear on the Bentley chassis, O.B.1V., there is an oil leak at the junction of the bottom…

07-page079 Requesting design details for modified yoke pieces to test a new caster angle on the Wraith steering.
View original record To By/NS. from Rm/FJH. 650. Rm/FJH.6/AP.13.9.37 WRAITH STEERING We wish to be able to try a caster angle of ½° on the front pivots of Wraith in conjunction with lower tyre pressures. Will you please…

07-page080 Request to fit ball pins FW.1518 to the cross steering tubes of a car.
View original record 650. To HPS. from Rm/FJH. c. Rm/wym. Rm/FJH.1/AP.15.9.37 24.G.V1. Steering Will you please fit to the cross steering tubes of the above car ball pins FW.1518. These parts are in stock and fit the…

07-page081 Requesting the machining of yoke forgings to test a reduced castor angle on the Wraith steering.
View original record To HPS. from Rm/FJH. Rm/FJH.2/AP.20.9.37 WRAITH STEERING Owing to the lower tyre pressures now being used on Wraith we wish to be able to try reduced castor angle. Will you please machine one pair of…

07-page082 Modifications to the Steering Box for the Wraith III model.
View original record DA.2/G.21.9.37 (Handwritten in red: 650) (Handwritten: Yes. 29 H) STEERING BOX - WRAITH III. Herewith the following scheme :- F.CD.79 Modifications to Steering Box. Wraith III. The object of the…

07-page083 Requesting the fitting of steering components and rectification of a rattling horn button on chassis 25-G-VI.
View original record X 650. To HPS. from Rm/FJH. c. Wym. Rm/FJH.19/MH.29.9.37. 25-G-VI. STEERING. The rear joint of the side steering tube and the cross steering tube joints of the above chassis are not up to date. Will…

07-page084 Scheme for adding extra lugs on the Pendulum Lever for the Wraith III steering gear.
View original record DA.6/G.30.2.37. President. Dr. Maple. Dr. Dept. Insp. Dept. C. Ex. G.F./EHS/CAN. 650 FTH STEERING GEAR - WRAITH 111. Herewith the following scheme :- F.CD.98 Extra Lugs on Pendulum Lever for use with…

07-page085 Scheme to fix an oil leak on the Wraith III steering column by stiffening the flange on the bottom support bracket.
View original record F. Dept. G. Dept. E. Dept. D. Dept. C. Rm. A.D.O./L.W. 650 DA.7/G.SO.30.9.37. STEERING COLUMN - WRAITH III. Herewith the following scheme :- F.CD.94 Stiffened Flange on Bottom Support Bracket. There…

07-page086 Repair of a 25.G.VI steering box due to damaged lock stops.
View original record To HPS. Rm/Ugm d 650. Rm/FJH.10/JH.5.10.37. 25.G.VI Steering. The lock stops in the steering box of the above chassis have been damaged by the stop on the rockershaft. Will you please fit an up to…

07-page087 Scheme for modifying the steering column controls for the Wraith III model, detailing changes due to the elimination of the ignition control.
View original record F. Dept. [crossed out] S. Dept. [crossed out] G. Dept. [crossed out] C. RM. [crossed out] c.REC/CAN? [crossed out] DA.9/G.7.10.37. 650 [handwritten] FJH [handwritten] STEERING COLUMN CONTROLS - WRAITH…

07-page088 Requesting modifications to the steering system on a Wraith chassis due to excessive joggling.
View original record To HPS. from Rm/FJH. c. Rm/Wym. Rm/FJH.3/WH.8.10.37. 650 WRAITH STEERING. Re your HPS/WSC.9/BA. 7.10.37; will you please fit Yoke pieces EXS.82 to 27-G-VI. The steering of 24-G-VI joggles more than…

07-page089 Order for 6 sets of side steering tube parts for the Wraith III chassis.
View original record Roy/Ms. C.RHC/CAN. C.RHC C.HPD C. Rm/Grys. 650 FJH BY/HEB/WB. 13.10.37. WRAITH III CHASSIS 6 SETS. SIDE STEERING TUBE - SEC:7070. In accordance with memo By6/N. 7.10.37, will you please order 6 sets…

07-page090 Parts order memo for the Wraith III chassis steering column and box.
View original record To RHC/CAN. C. Rev/Aie. C. RHC. C. HPS. C. Rm/Grys. BY/HSB/WB. 28.10.37. 650 WRAITH III CHASSIS - 6 sets. STEERING COLUMN AND BOX - SEC. 7050. In accordance with memo' BY.6/N.7.10.37, will you please…

07-page091 Requesting official instructions for a steering modification on the Wraith model following experimental tests.
View original record 650 Da. from Rm. c. By. Rm6/R.8.11.37. Experimental tests indicate that a marked improvement can be made in the steering by a slight modification at the angle at which the yoke pieces are machined.…

07-page092 Instruction regarding the machining of Wraith steering yoke pieces following a telephone conversation.
View original record 650 HPS. from Rm. Rm5/R.8.11.37. WRAITH STEERING. Confirming our telephone conversation with you to-day, we should be glad if you would arrange for all Wraith yoke pieces that have not proceeded too…

07-page093 Specifications for springs to be used in the Wraith steering system.
View original record To Da. from Rm/FJH. c. By. c. HPS. Rm/FJH.10/AP.8.11.37. WRAITH STEERING The reduced castor angle obtained by yokes to EX.S.82 enables us to use slightly more sponge in the steering system, as the…

07-page094 Fitting of new yoke pieces and springs to an experimental Wraith chassis for testing.
View original record To HPS. from Rm/FJH. Rm/FJH.11/AP.8.11.37. WRAITH STEERING When you fit yoke pieces Ex.S.82 to experimental Wraith chassis will you please also fit springs as mentioned in our memo…

07-page095 Modified rear spring for the side steering tube on a Wraith III chassis.
View original record To H.P.S. (struck through) C. B.Y. C. RHC/GAN. C. Rm/TJH. BY/HEB5/WB. 17.11.37. 650 WRAITH III CHASSIS. SIDE STEERING TUBE - SEC:7074. MODIFIED REAR SPRING FOR SIDE STEERING TUBE IN ACCORDANCE WITH…

07-page096 Steering castor angle discrepancies on two chassis and requesting further measurements.
View original record 650 To HPS. c. to Rm/Wym. c. to RmLes. Rm/FJH.15/JH.7.12.37. 24.G.VI - Steering. The above chassis was recently fitted with new yokes bored out to EX.S.82, which should give 1° castor as on 27.G.VI.…

07-page097 Wraith steering characteristics, over-steer, under-steer, and investigations on a skid pan.
View original record To By. from RM/ISV. c. Hs. c. Da. c. Ev. c. Da/Hdy. 8 650 WRAITH STEERING CHARACTERISTICS. AND INVESTIGATIONS ON SKID PAN. The first Wraith sent to France, 26.G.VI, showed that the new chassis had a…

07-page098 Analysis of steering characteristics for the Wraith model, with a corresponding steering angle curve graph.
View original record -2- This peculiarity of the steering was confirmed by tests on the skid pan and steering angle curves were taken on various Wraith cars both with the 1.5° and the ¾° castor angle. A curve was also…

07-page099 Page discussing steering characteristics and the effects of rear stabilisers, featuring a graph of steering angle curves.
View original record -3- the rear roll rod which was clearly the major cause of the trouble. Fig.2 shows three curves given us by Olley. Of the first two, (1) The La Salle 1936 and (2) The Oldsmobile 6 1936, he writes…

07-page100 Page showing steering angle curves for a Wraith without a roll rod under various conditions.
View original record -4- The Wraith curve shown in Fig. 1 and Olley's curves shown in Fig.2 indicate exactly the same trouble and cause. This was proved by taking a further set of steering angle curves of the Wraith with…

07-page101 Page discussing tyre pressures and showing a photograph of an Oldsmobile steering rod rig.
View original record -6- RM/IMR.6/HH.17.12.37. (i) is with Tyre pressures 30 lbs/sq.in. rear and 25 lbs/sq.in front. (2) is with Tyres 30 lbs/sq.in. front and rear. These curves are almost exactly the ideal specified by…

07-page102 Report page detailing improvements in vehicle handling and roll, including a graph of steering angle curves for a Wraith.
View original record -5- A marked improvement is shown but the curves still turn over. This, however, occurs above 0.4 G. instead of below 0.3 G. and is therefore less serious. It was found however, that the angle of roll…

07-page103 Claims for the benefits of a front roll rod and an appendix on Skid Pan testing methodology.
View original record -7- The claims for the front roll rod instead of the rear roll rod put forward include amongst other features, the following - (1) Produces a more stable car, particularly as regards directional…

07-page104 Comparative tyre cornering, squealing and skidding tests on a Bentley, alongside other skid-pan trials.
View original record -8- Em/IMW/6/MH.17.12.37. Comparative cornering powers of various tyres have been obtained, and also the relative speeds at which squealing and skidding occur. For instance, comparative figures taken…

07-page105 Request to manufacture four pivot thrust washers for the Wraith steering system from a new Bakelite material.
View original record To HPS. from Rm/FJH. c. Wyn 650 Rm/FJH.1/AP.31.12.37 WRAITH STEERING We wish to try some pivot thrust washers in Bakelite material. Will you please make four washers to GW.399 from the rod we have…

07-page106 Issue with Wraith steering pivots and bushes, proposing a trial of copper deposited pins.
View original record 650 HPS. from Rm/FJH. Rm/FJH4/R.4.1.38. WRAITH STEERING. We find that the pivots of 27.G.VI, which have tightened up on the road, have been picking up in the bushes GW.395. We wish to try copper…

07-page107 Steering tightening issues on the Wraith model due to a seizing pivot bush and proposing a needle roller bearing as a solution.
View original record 650 By. from Rm. Rm3/R.10.1.38. WRAITH STEERING. We have had several cases where the Wraith steer-ing has tightened up due to the bottom bush in the pivot partially seizing. The load on this bush is…

07-page108 Investigation into a steering problem on the Wraith model, specifically concerning friction in the pivot pins.
View original record 650 To By. from Rm/FJH. c. Da. c. EV. WRAITH STEERING. The steering of 27.G.Vl. recently tightened up to such an extent that all self-centring was lost and the car was almost undrivable. It…

07-page109 Steering issues with pivot pins and yokes, proposing material trials for improvement.
View original record -2- The pivot pins and yokes on 27.G.V1. were changed recently and the steering with the previous pair of pins was very light, presumably because the pins had not picked up. It therefore seems that if…

07-page110 Table detailing steering pivot pin loads for various chassis models.
View original record STEERING PIVOT PIN LOADS. Chassis. | Weight on one front wheel. | Journal load. lbs. | Thrust load. lbs. | Journal load per sq.inch. | Thrust load per sq.inch. | Journal friction torque. lbs.ins. |…

07-page111 Inquiry to Vandervell Products Ltd. regarding a bearing issue with the 25/30 HP steering pivot pin.
View original record 650 Rm/FJH.4/MH. 11th. January 1938. Messrs. Vandervell Products Ltd., Western Avenue, Park Royal, London, W.3. For the attention of G.A.Vandervell, Esq. Dear Sirs, We are having some trouble due to…

07-page112 Letter from Vandervell Products Ltd. proposing 'Clevite' material for a Bush and detailing its specifications.
View original record 1300 650 1.4062 + 1/2 VANDERVELL PRODUCTS LTD. TELEGRAMS & CABLES: STEELBAK, LONDON. DIRECTORS: C.A.VANDERVELL, G.A.VANDERVELL, M.P.FOSTER. TELEPHONE: ACORN 2251/2. MANUFACTURERS OF PRESSED BUSHINGS,…

07-page113 Letter from Vandervell Products Ltd. discussing the best material for Steering Pivot Pins.
View original record Page 2. Continuation of letter from VANDERVELL PRODUCTS LTD. dated 14th January, 1938. To Messrs.Rolls-Royce, Ltd. In conclusion, we can safely say that this is the best material of which we know in…

07-page114 Engineering drawing for a Clevite bush with oil groove details.
View original record ROSTERED TO 7072 .050" STEEL 1/16 RAD. SECTION OF OIL GROOVE ENLARGED SIZE. MINIMUM GAP AT JOINT. CHAMFERED END. DEVELOPMENT OF BUSH HOLE 3/8 DIA. 1/8 RAD. 1.8025 1.8225 OIL GROOVE 1/8 X .018 MAX…

07-page115 Blueprint for a bush component with an oil groove.
View original record TOP RIGHT (partially illegible): BEARING ... AC G... MAIN DRAWING ANNOTATIONS: REMOVE SHARP CORNER 1/4" 15°-20° 1/16" + 1/64" 7/8" ±.010" REMOVE SHARP CORNER MINIMUM GAP AT JOINT OIL GROOVE 1/8" WIDE,…

07-page116 Blueprint for a Clevite bush with dimensions and inspection methods.
View original record CHAMFERED END. .050" STEEL. 1/64" RAD. REMOVE SHARP CORNER 15° to 20° .038/.040 11/16" + - 1/64 REMOVE SHARP CORNER 1/8" R. 3/8" DIA HOLE. 1/8" RAD. OIL GROOVE 1/8" WIDE .025" DEEP MAX. OUTSIDE DIA:…

07-page117 Trial of bakelite material for pivot pin bushes on the Wraith steering system.
View original record 650 To HPS. from Rm/FJH. c. to Rm/Wym. Rm/FJH.9/AP.18.1.38 WRAITH STEERING We wish to try bakelite material for the pivot pin bushes on Wraith Steering. Will you please make 2 bushes GW.395 from the…

07-page118 Letter to Vandervell Products Ltd. requesting six Clevite bush samples for trial, following up on a previous correspondence.
View original record 630 January 18th.1938 Rm/FJH.6/AP. Messrs. Vandervell Products Ltd., Western Avenue, Park Royal, LONDON N.W. Dear Sirs, For the attention of G.A.Vandervell Esq. We thank you for your letter of 14th…

07-page119 Official order for 6 bushes for the Wraith model from supplier Vandervell Products Ltd.
View original record To Roy. from Rm/FJH. c. G/JWH. ? 680 Rm/FJH.7/AP.18.1.38 will you please send an official order to Messrs. Vandervell Products Ltd. for 6 bushes in Clevite 10 material to fit in place of our bush…

07-page120 Specification sheet for Wraith steering gear preloads.
View original record 650. RHC. from Rm/FJH. c. By. Rm/F&M4/R.19.1.38. WRAITH STEERING GEAR PRELOADS. We give below the preloads with which the Wraith steering gear should be assembled:- (1) Roller Follower. 4 - 8 ozs at…

07-page121 Hoffmann type needle roller bearing for the Wraith Front Pivots.
View original record BH/MS c.c. DAYTON. c.c. Rm. 650 DA.2/G.19.1.38. F.J. HARDY. What about- Bill Rm WRAITH FRONT PIVOTS. Herewith is FD.97, Needle Roller applied to the bottom journal bearing of the Wraith Front Pivot. A…

07-page122 Request to manufacture and modify parts for an apparatus to measure the castor angle on a Wraith chassis.
View original record HPS c. Wym. 650 Rm/FJH. 1/AP.20.1.38 APPARATUS FOR MEASURING CASTOR ANGLE ON WRAITH CHASSIS. Will you please make for the above:- 1. Two adaptors SK.5075. 2. One adaptor SK.5076. 3. Modify two hub…

07-page123 Letter from Vandervell Products Ltd. discussing alternative arrangements for a Clevite Bush in a Pivot Pin.
View original record VANDERVELL PRODUCTS LTD. TELEGRAMS & CABLES: STEELBAK, LONDON. DIRECTORS: C.A.VANDERVELL. G.A.VANDERVELL. M.P.FOSTER. TELEPHONE ACORN 2251/2. MANUFACTURERS OF PRESSED BUSHINGS, STEELBACKED BABBITT &…

07-page124 Blueprint detailing the specifications for a grooved bronze bush.
View original record ROLLS-ROYCE. 4 OIL GROOVES EACH SIDE .1 WIDE x .015/.020 DEEP 45° 1.6 ± 1/64 DIA. 1.5 DIA. .066 .068 OUTSIDE DIA: PRESS FIT IN HOUSING. WHEN PRESSED INTO HOUSING. BORE DIA: LEAVING FOR REAMERING IN…

07-page125 Blueprint detailing the installation of a bronze bush into a stub-axle for a 25/30 HP model.
View original record ENGLISH PROJECTION DO NOT SCALE DIMENSIONS INCHES VANDERVELL PRODUCTS LTD. PARK ROYAL, LONDON, W.3. No. ALTERATION DATE AGREED LIMITS NOT GIVEN ARE +- .010 BRONZE COUNTERBORE 1 17/64 DIA. HOUSING DIA:…

07-page126 Letter to Hoffmann Manufacturing Co. regarding issues with a 25/30 HP steering pivot pin bearing and a proposed change to a needle bearing.
View original record 650 6-50 Rm/FJH.9/JH. 22nd. January, 1938. Messrs. The Hoffmann Manufacturing Co., Chelmsford, ESSEX. For the attention of C.H. Smith Esq., Dear Sirs, We have recently had some trouble due to partial…

07-page127 Letter regarding the quality issues of received steering rollers, specifically their softness and lack of preload.
View original record Rm/PJH.9/JH. -2- 22nd. January, 1938. Our production people have received 4 steering rollers, your N.2790, which on inspection appear to have no preload and to be somewhat soft. We will be writing…

07-page128 Modified steering cam and tube for the Wraith III chassis to utilize incorrectly machined parts.
View original record T. Rey/Ms. (2 copies) C. Rm/Hdy. C. By/No. C. RHC/RH. C. RHC/CAN. C. HPS/RH. 650 BY/HEB.1/WB.22.1.38. WRAITH III CHASSIS. STEERING COLUMN AND BOX - SEC : 7050. ------------------------- MODIFIED…

07-page129 Letter to Vandervell Products Ltd. regarding the application of their split bearings, washers, and steel sleeves for experimental trials.
View original record 1300 650 January 24th.1938 Rm/FJH.5/AP. Messrs. Vandervell Products Ltd., Western Avenue, Park Royal, LONDON W.3. For the attention of G.A.Vandervell Esq. Dear Sirs, Re Your FL/DS. We thank you for…

07-page130 Acknowledgment of an enquiry from The Hoffmann Manufacturing Co. Ltd.
View original record BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. HOFFMANN Registered Trade Mark BALL-AND-ROLLER-BEARINGS STEEL-BALLS-AND-ROLLERS TELEPHONE:…

07-page131 Letter from Hoffmann Manufacturing Co. Ltd. discussing specifications for a special outer race and needle rollers.
View original record BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. HOFFMANN Registered Trade Mark BALL AND ROLLER BEARINGS STEEL BALLS AND ROLLERS THE…

07-page132 Letter from The Hoffmann Manufacturing Co. Ltd. regarding a design modification using a needle roller bearing.
View original record THE HOFFMANN MANUFACTURING CO., LTD. To MESSRS. ROLLS-ROYCE, LTD. Page 2 Date 25th January, 1938 modify the design and use a needle roller bearing in the top we shall be glad to give any assistance we…

07-page133 Letter from The Hoffmann Manufacturing Co. Ltd. regarding the dispatch of Special Needle Roller Bearings.
View original record HOFFMANN Registered Trade Mark BALL-AND-ROLLER-BEARINGS STEEL-BALLS-AND-ROLLERS THE HOFFMANN MANUFACTURING CO. LTD. CONTRACTORS TO THE ADMIRALTY, WAR OFFICE AND INDIA OFFICE. BRANCHES: LONDON,…

07-page134 Letter from Vandervell Products Ltd. regarding objections to a Sleeve and details on a Thrust Washer.
View original record VANDERVELL PRODUCTS LTD. TELEGRAMS & CABLES: STEELBAK, LONDON. DIRECTORS: C.A.VANDERVELL. G.A.VANDERVELL. M.P.FOSTER. TELEPHONE ACORN 2251/2. MANUFACTURERS OF PRESSED BUSHINGS, STEEL BACKED BABBITT &…

07-page135 Letter from The Hoffmann Manufacturing Co. Ltd. confirming the dispatch of J.385 Needle Roller Bearings.
View original record BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. HOFFMANN Registered Trade Mark BALL AND ROLLER-BEARINGS STEEL-BALLS AND-ROLLERS TELEPHONE:…

07-page136 Fitting PD.97 needle roller lower pivot bearings to experimental Wraith front axle pivots.
View original record 650 To HPS. from Rm/FJH. c. By. c. Rm/Wym. Rm/FJH.2/MH.31.1.38. NEEDLE BEARING FOR WRAITH FRONT AXLE PIVOTS. We wish to fit PD.97, needle roller lower pivot bearing, to two of our experimental cars,…

07-page137 Quotation from Hoffmann Manufacturing for Special Needle Roller Bearings.
View original record BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. HOFFMANN Registered Trade Mark TELEPHONE: 3151 (FIVE LINES) TELEGRAMS: HOFFMANN,…

07-page138 Letter to a supplier regarding specifications for bearings, stub axles, and requesting a quotation.
View original record [Handwritten top right: γ 1300] [Handwritten right margin: (0650) ?] c By. Rm/FJH.9/MH. 1st. February 1938. Messrs. The Hoffmann Manufacturing Co. Ltd., Chelmsford, ESSEX. For the attention of…

07-page139 Page two of a letter discussing the specifications for a pin, needle bearing, and roller bearing.
View original record -2- 1st. February 1938. the lower face of the pin, so that the shoulder on the needle bearing race is not normally under load, and the upper journal bearing on the pivot is a roller bearing. Yours…

07-page140 Acknowledgment of an enquiry from The Hoffmann Manufacturing Co. Ltd.
View original record HOFFMANN Registered Trade Mark BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. BALL-AND-ROLLER-BEARINGS STEEL-BALLS-AND-ROLLERS TELEPHONE:…

07-page141 The return of an unsatisfactory steering roller to the manufacturer for a free replacement.
View original record To G/Mt. from Rm/FJH. Rm/FJH.10/MH.3.2.38. Will you send to Messrs. The Hoffmann Manufacturing Co. the steering roller to their N.2790 which we hand to you. This part is unsatisfactory and will be…

07-page142 Letter to Hoffmann Manufacturing Co. Ltd. regarding a faulty steering roller and requesting a replacement with future specifications.
View original record c. RHC/EG. Rm/FJH.9/MH. [handwritten] 650 a 130 3rd. February 1938. Messrs. The Hoffmann Manufacturing Co. Ltd., Chelmsford, ESSEX. For the attention of C.H.Smith, Esq. Dear Sirs, We are sending to…

07-page143 Letter to Vandervell Products Ltd. regarding the trial of their thin wall bearings and a request for parts.
View original record c. Roy. Rm/FJH.G/MH. 3rd. February 1938. Messrs. Vandervell Products Ltd., Western Avenue, Park Royal, London, W.3. For the attention of G.A.Vandervell, Esq. Dear Sirs, With reference to your letter…

07-page144 Forwarding a letter to Vandervell Products Ltd. regarding bushes and thrust washers.
View original record To Roy. from Rm/FJH. c. G/JWH. 650 Rm/FJH.7/MH.4.2.38. We attach a copy of our letter to Messrs. Vandervell Products Ltd. to acquaint you with the position re our memo to you Rm/FJH.7/AP.18.1.38. Will…

07-page145 Modifications to the Wraith steering to eliminate joggles by fitting weaker springs.
View original record 650. To By. from Rm/FJH. c. Da. c. RHC. c. Roy. Rm/FJH.1/AP.7.2.38 WRAITH STEERING We found on the steering of 26.G.V1. before the car left for France that it was necessary to fit weaker springs to…

07-page146 Quotation letter from Vandervell Products Ltd. regarding bushes and thrust washers.
View original record QUOTATION VANDERVELL PRODUCTS Ltd. TELEGRAMS & CABLES: STEELBAK, LONDON. DIRECTORS: C. A. VANDERVELL. G. A. VANDERVELL. M. P. FOSTER. TELEPHONE ACORN 2251/2. MANUFACTURERS OF PRESSED BUSHINGS, STEEL…

07-page147 Blueprint detailing the installation of a bush in a stub-axle for a 25/30 HP model.
View original record ENGLISH PROJECTION - DO NOT SCALE - DIMENSIONS INCHES INTERNAL DIA. OF STEEL SLEEVE. 1.240 1.241 ROUGH DIA. OF BUSH IN 1.240 DIA. HOUSING. 1.113 1.115 PIN DIA. 1.121 1.125 STEEL SLEEVE .060 .065 1/32…

07-page148 Fitting of needle bearing steering pivots to a specific Wraith chassis.
View original record To HPS. from Rm/FJH. c. Rm/wym. Rm/FJH.5/AP.9.2.38 650 WRAITH STHERING PIVOTS. In our memo Rm/FJH.2/MH.31.1.38 we asked you to fit PD.97, needle bearing pivot, to 24.G.V1. and 29.G.V1. As 27.G.V1. is…

07-page149 Letter from Vandervell Products Ltd. regarding an order for 'Clevite' bushes and accompanying prints.
View original record VANDERVELL PRODUCTS LTD. TELEGRAMS & CABLES: STEELBAK, LONDON. DIRECTORS: C. A. VANDERVELL. G. A. VANDERVELL. M. P. FOSTER. MANUFACTURERS OF PRESSED BUSHINGS, STEEL BACKED BABBITT & LEAD BRONZE…

07-page150 Diagram for the installation of a bush in a stub-axle for a 25/30 HP model.
View original record ENGLISH PROJECTION - DO NOT SCALE - DIMENSIONS INCHES. VANDERVELL PRODUCTS LTD. PARK ROYAL, LONDON, W.3. No. ALTERATION DATE AGREED. A HOUSING WAS 1.246/1.247 BUSH GROUND 17.2.38. LIMITS NOT GIVEN ARE…

07-page151 Blueprint for a plain bush, specifically a lower stub axle bush.
View original record ENGLISH PROJECTION - DO NOT SCALE - DIMENSIONS INCHES ROUGH I.D. IN 1.245 DIA HOUSING 1.113 - 1.115 FINISH DIA. SPLIT HOUSING DIA. 1.245 - 1.246 O.D. BUSH 1.249 .980 - .995 .040 STEEL .05 x 45° CFER…

07-page152 Blueprints for the FW.1570 Side Steering Tube (Rear) spring for the Wraith III chassis.
View original record To H.P.S. c. BY c. RHC/CAN. c. HPS/RH. c. Rm/TJH. BY/HEB.5/WB.23.2.38. 650 WRAITH III CHASSIS - 6 SETS. SIDE STEERING TUBE - SEC : 7070. H.H. Please receive herewith three blue prints of the following…

07-page153 Internal order for six sets of Side Steering Tubes for the Wraith III chassis.
View original record To Roy (2 copies) c. C/RB (struck through) c. RRC/DM(3) (struck through) c. C/Rts. (struck through) c. LA/Skn. (struck through) c. Hd. (struck through) c. RRC/CAN. (struck through) c. Rm/FJH. (struck…

07-page154 The replacement of the Side Steering Tube for the Wraith III chassis and authorising an order for 100 sets.
View original record To. Roy (2 copies) c. RHO/OAN c. BY c. RHO/DM (3) c. G/Rb. c. Rm/TJH. c. G/Rts 650 BY/HEB.6/WB.24.2.38. WRAITH III CHASSIS - 100 SETS 7/4 SIDE STEERING TUBE - SEC : 7070. Please note that the…

07-page155 Request to trial 'Clevite' bushes on the Wraith steering pivot pins and to create an arrangement drawing.
View original record To By/Ald. from Rm/FJH. c. By. 650 Rm/FJH.3/AP.3.3.38 Wraith Steering Pivot Pins. We wish to try some "Clevite" bushes on the lower journal bearing of the Wraith pivot pin, and we attach Messrs…

07-page156 Letter from Hoffmann Manufacturing Co. Ltd. concerning hardness testing on a returned bearing.
View original record BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. HOFFMANN Registered Trade Mark BALL-AND-ROLLER-BEARINGS STEEL-BALLS-AND-ROLLERS THE…

07-page157 Page 2 of a letter from The Hoffmann Manufacturing Co. Ltd. regarding parts.
View original record THE HOFFMANN MANUFACTURING CO. LTD. To MESSRS.ROLLS-ROYCE LTD. Page 2. Date 5/3/38. parts now going through our Works, after which we will write you again. Yours faithfully, THE HOFFMANN MANUFACTURING…

07-page158 Manufacturing particulars and alternative gear ratios for Wraith III steering cams.
View original record 650 To RHC/SB. from Rm/FJH. c. By.___________ Rm/FJH.10/AP.7.3.38 WRAITH III. STEERING CAMS. We give below the particulars of the Wraith III. steering cams which you require for the Fellows Gear…

07-page159 Fitting bronze bushes made of 'Clevite 10' material to steering pivots and pins during a chassis rebuild.
View original record 650, To HPS. from Rm/FJH. c.c. Rm/Wym. Rm/FJH.2/AP.28.3.38 28.G.V1. STEERING During the rebuilding of the above chassis will you, please fit to the steering pivots and pins bronze bushes in 'Clevite…

07-page160 Instruction to machine steering stops on Wraith III steering box FW.905 castings due to supplier limitations.
View original record RHC/Wld. (crossed out) RHC/CAN. (crossed out) Dr.Her. (crossed out) Rm/Hdy. (crossed out) RMO/Rev. (crossed out) ROY/AV. (crossed out) 650 FH BY/NS.5/G.31.3.38. WRAITH III. STEERING BOX FW.905. We…

07-page161 Hardness testing results of a Wraith steering roller.
View original record 650 Mr.Hardy......from RHC/EG. c. to RHC/Cy. RHC/EG.8/DB. 31.3.38. Wraith Steering. Messrs. Hoffmann. R.H. The roller handed to me by RHC/Cy., has been sectioned and carefully checked on Rockwell and…

07-page162 Request for details on modified springs and guides for the Wraith steering system.
View original record To By/Ald. From Rm/FJH. c. By. 650 Rm/FJH.2/MH.11.4.38. WRAITH STEERING. Will you please detail modified springs and ball pad guides for the rear side steering tube joint on Wraith. The springs should…

07-page163 Blueprints for modifications to the Wraith III Side Steering system, Section 7070.
View original record HPS. c. Rm. [text crossed out] 650 BY/Ald.11/G.20.4.38. WRAITH 111. SIDE STEERING - SECTION 7070. Please receive herewith two blueprints of each of the following :- S.CD.578 Modification to Rear S.S.…

07-page164 Blueprints for a modification to the Wraith III side steering tube joint.
View original record HPS. C. Rm C. Rm/FJH. 650. BY/Ald.11/G.20.4.38. AHK WRAITH III. SIDE STEERING - SECTION 7070. Please receive herewith two blueprints of each of the following :- S.CD.578 Modification to Rear S.S. Tube…

07-page165 Blueprints for a redesigned spring ball joint for the Wraith III cross steering.
View original record HPS c. Rm. c. Rm/RJH. 650 BY/Ald.20/G.3.5.38. WRAITH 111. CROSS STEERING - SECTION 7041. Please receive herewith two blueprints of the following :- Ex.S.712 Spring Ball Joint - 4 off. This drawing is…

07-page166 The instruction of three sets of parts for the Wraith steering system.
View original record 650 To HPS. from Rm/FJH. Rm/FJH.2/AP.22.4.38. WRAITH STEERING. Re. By/Ald.11/G.20.4.38. Will you please instruct three sets of parts as detailed in the above memo. Rm/FJH.

07-page167 Letter from The Hoffmann Manufacturing Co. Ltd. regarding steering roller assemblies and bearing adjustments.
View original record 1300? BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. HOFFMANN Registered Trade Mark BALL-AND-ROLLER-BEARINGS STEEL-BALLS-AND-ROLLERS THE…

07-page168 Letter from The Hoffmann Manufacturing Co. Ltd. regarding the inspection and correction of bearings with mixed ball sizes.
View original record THE HOFFMANN MANUFACTURING CO., LTD. To MESSRS. ROLLS ROYCE.LTD., Page 2 Date 3.5.38. We sent six bearings to you on the 29th. ultimo which had been carefully checked by the writer for both…

07-page169 The testing of new chrome vanadium steel springs for the Wraith side steering tube.
View original record 650. Rm/Mr.Hardy. BY.8/G.13.5.38. Handwritten: Why should we not use swedish wire springs Handwritten: Rm WRAITH SIDE STEERING TUBE SPRINGS. FW.1570. The Order Office have obtained from Messrs. J.B.…

07-page170 With company contact details and a name.
View original record Tempered Spring Co Ltd Burton Weir Works Sheffield 4 G. Young

07-page171 Cause and resolution of a steering rattle on the Wraith model.
View original record To By. from Rm/FJH. c. DA. c. MX. c. RHC. Rm/FJH.4/MH.10.5.38. 650. WRAITH STEERING. A rattle occurred in the steering system of 26.G.VI during 15,000 miles test when cornering or when holding the car…

07-page172 Wraith steering and proposing a trial of Bentley III front damper valves.
View original record 650 By/Ald. from Rm/FJH. c. By. Rm/FJH8/R.3.6.38. WRAITH STEERING. The steering of Bentley III is remarkably free from joggle or road shock, and we suspect that this may be partly due to type of valve…

07-page173 The replacement and checking of springs in cross steering tubes for a 25.G.VI chassis.
View original record 650 To HPS. from Rm/FJH. c. Rm/Wym. Rm/FJH, 11/MH.20.6.38. 25.G.VI STEERING. While the above chassis is in the shop will you please remove the cross steering tubes, check the poundage of tubes as…

07-page174 New drawings and required standard parts for the Wraith shock dampers.
View original record HPS. c. Rm. c. Rm/FJH. bfr 650 BY/Ald.6/G.27.6.38. WRAITH. SHOCK DAMPERS. SECTION 7160. Please receive herewith two blueprints of the following new drawings :- Ex.S.827 Joint 2 off. Ex.S.828 End Piece…

07-page175 Requesting comparative tests on Wraith Side Steering Tube Springs made from two different types of steel.
View original record 650 Rm/F.Hardy. BY.16/N.6.7.38. Wraith - Side Steering Tube Springs. Further to our memo BY.8/G 13.5.38, sending you half a dozen springs produced in Chrome Vanadium Steel, by J.B.Skinner & Co.…

07-page176 Test results detailing the permanent set of Wraith side steering tube springs.
View original record 650 To By. from Rm/FJH. Rm/FJH.7/MH.16.7.38. WRAITH SIDE STEERING TUBE SPRINGS. We have tested the six springs made by the Tempered Spring Co. by loading them to choc position 10 times and then…

07-page177 Scheme for the Wraith III steering column support ('F' Type) designed to suit French coachwork.
View original record 650. c. Rm. / F.J.H DA.12/G.15.9.38. WRAITH III. STEERING COLUMN. scheme :- Please receive herewith the following F.CD.900 Steering Column Support ('F' Type). The above scheme shews distance links…

07-page178 Production, hardness, and quality control of steering cams for the Wraith model.
View original record 650 also 1300 To RHC. from Rm/FJH. c. By. Rm/FJH.4/MH.11.11.38. STEERING CAMS. We assume that you will soon be producing Wraith steering cams on the new Fellows machine. This machine appears to…

07-page179 Requesting the fitting of Wraith steering cams and needle bearing pivots to specific chassis numbers.
View original record To HPS. from Rm/FJH. y 650 Rm/FJH.11/MH.5.12.38. WRAITH STEERING CAMS. We understand that you have received three Wraith steering cams made in the Works. Will you please fit these to 24, 28 and…

07-page180 Note regarding steering positions with various internal references.
View original record cn/7JH. 650 Da. 3/q. 17.1.39. Steering Positions. 9.B.S. 7.B.S + 25.9.6. see file 1300.

07-page181 Note indicating the location of correspondence regarding steering failures.
View original record 650. All correspondence re Steering Failures in file 1300.

07-page182 Parts ordering and stock record card for Wraith Steering Roller Assemblies.
View original record Top Handwritten: Wraith Steering Fibos. Top Right Handwritten: 650. Top Right Typed: 1-7050 Top Right Typed: Steering Roller Assemblies. Top Right Typed: FW.598 - Ring to be obtained from Adamant by…

07-page183 File cover for documents concerning Wraith and Bentley Steering.
View original record 650 By & Rm. RHC. 1/FH. 14. H 39. Wraith & Bentley Steering file 1300.

07-page184 Note concerning the roller in the Wraith and Bentley steering systems.
View original record HS. 650. By.10/G. 18.4.39 Wraith & Bentley Steering re roller. see file 1300.

07-page185 Note regarding rollers for Wraith and Bentley steering systems.
View original record 650. Rm. By. 2/G. 19.4.39. Wraith & Bentley Steering re rollers. see file 1300.

07-page186 Order for material to produce 300 steering rollers for 'C' series cars.
View original record 650 Roy/RCB c. RHC c. RHC/GL c. Rm/FJH c. Roy/Dn BY.35/N.26.4.39. Re: Steering Rollers. Will you please order sufficient material, Spec: 236, to produce a further 300 Rollers to cover 'C' series. Up…

07-page187 Repeated failures of steering rollers on Bentley Wraith chassis, urging immediate replacement.
View original record 650 260 V 1300 To AHO. from MM/JSH. a. EV. b. W/SB. c. M. d. TM. e. JLH. w/LR. f. HPS. MM/JSH.1/AH.5.5.39. 4 & 1/4' LITRE BENTLEY STEERING ROLLERS. A further example of a steering roller cracked by…

07-page188 Reference note regarding the steering gear for the Wraith II and Wraith 80 B.V models.
View original record 650. Rm. Da. 6/9 8.5.39 Wraith II Wraith 80 B.V B.50. - Steering Gear. see file 1300 -

07-page189 Note on steering for the Wraith and B.II models, with a cross-reference to file 1300.
View original record 650 Rm. By. 3/9. 12.5.34. Steering. Wraith + B.II see file 1300.

07-page190 The steering for the Wraith and B.V. models.
View original record 650 By. Rm/FJH.Y/R.26.5.39 Wraith & B.V. etc. Steering file 1300.

07-page191 Load specifications for Wraith steering rollers.
View original record 650 + 1300 To By. from Rm/FJH. Rm/FJH.9/MH.28.7.39. WRAITH STEERING ROLLER LOADS. The loads normal to the surface of the U groove as required by Mr. Smith of Hoffmann's are as follows:- (a) Maximum…

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