Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 9\5\        Box Selection

IdentifierEntry
05-page001 Suspensions and rear seating positions, comparing them with competitor vehicles like Ford and Cadillac.
View original record To SG. & WCR. c. to E. c. to Hy. c. to C. c. to Cx. 646 Ha/Les.21/KW.18.10.35. Suspensions - Rear Seating Positions. It is rather alarming to find that the rear seat ride of the V.8 Ford is superior…

05-page002 Limousine seating comfort, engine positioning, and potential chassis design improvements.
View original record -2- Hs/Lee.21/KW.16.10.35. The fact that the occasional seats of a limousine give a far better ride than the rear seats is distressing. We feel investigations should be made to see if a practical body…

05-page003 Promotional document for the Ford V-8, annotated for a comparison with the Rolls-Royce Wraith.
View original record TO WRAITH DASH 39" TO FORD DASH 24 1/2" YOU ARE POISED BETWEEN THE SPRINGS IN THE NEW FORD V-8 Ford V-8 has made history. More than one million have been built—impressive evidence of Ford V-8 economy…

05-page004 The development and testing of anti-roll rods for the Phantom III, Wraith II, and 25 HP models.
View original record To E. C. to By. x404/64 Car 20207 arrived Hs/Les.5/KW.24.3.36. Anti-Roll Rods for Ph.III & Wraith II. Although Ph.III is starting production with only a single anti-roll rod at the rear, provision is…

05-page005 Two parts relating to the Wraith II model.
View original record BY o.RHC.Hs/Rm. x-04 646 E/JNR.1/HP.11.6.36. Wraith II We send you herewith:- LeC.5145 - Front Anchorage Rear Road Spring. LeC.5149 - Rear Spring, Aft Shackle. E/JNR.

05-page006 The calculation of road springs, stresses, and geometry for the Wraith II front suspension.
View original record To Mr. [redacted] Copy to Mr. [redacted] Hs/Rm. 622 L4 Rm E/Ev.10/MN.23.6.36. Les. Are you satisfied with these stresses Rm Wraith II Front Suspension. Road Springs and Lever Movements. We have now…

05-page007 Ordering of rear road springs for the Wraith II model, including a blueprint and a request for plate thickness.
View original record BY/Cgh. C. RHC. C. Hs/Les. C. ROY. 1050 lbs 646 BY/HEB12/ML.14.7.36. WRAITH II. REAR ROAD SPRINGS. SEC:7030. Herewith one blue print of FW.121. Rear Road Spring. Please order springs from Firths -…

05-page008 Ordering various rear road springs with different poundages for the Wraith model.
View original record To By/Cgh. c . to RHC. c . to Roy. *VOID* 646. Hs/Les.10/KW.17.7.36. Wraith Rear Road Spring Poundages. Re By/HEB.12/ML.14.7.36. Will you please order the following springs F.W.121 for Wraith :- 2…

05-page009 Design and material for an oil filler and level indicator for the Wraith II front shock damper.
View original record To BY. Copy to Da. HS/Rm. RHC. Hs/Les. E/Ev.3/MN.18.8.36. 646 Wraith II Independent Front Suspension. Oil Filler for Shock Damper Main Housing. We send herewith N.Sch.4372 showing a filler and level…

05-page010 Proposed modifications for the rear road springs on the first Wraith II car.
View original record To. BY. Copy to Dr. Hs/Rm. RHG. Handwritten notes: X Lott P 646 Les Please check this Rm E/EV.2/MN.6.10.36. WRAITH II - Rear Road Springs - First Car. It seems almost certain that on the first car we…

05-page011 Blueprint and ordering instructions for the rear road springs of the Wraith II first chassis.
View original record 10th Wk. 646 BY/HEB5/M.22.10.36. c.c. Hs/Les. c.c. Roye [Struck through] WRAITH II.(FIRST CHASSIS). REAR ROAD SPRINGS - SEC:7030. Herewith one Blue Print of:- FW.754 Rear Road Spring. Please order…

05-page012 Requesting recommendations for the poundage of rear road springs for the first Wraith II car.
View original record 1044 Les- What poundage do you recommend? Rm BY/Cgh.1/W.23.10.36. Rm. --- Wraith II : Rear Road Springs : First Car. 646 With reference to E//Ev2/MN.6.10.36,in which it is requested that some special…

05-page013 Suggesting the modification of existing Wraith II rear road springs to a new drawing.
View original record J Houtt 646 To By. c.c. to Roy. c.c. to RHC. Rm/Les.17/JH. 26.10.36. Wraith II Rear Road Springs. Re By/Cgh.1/W. 23.10.36. As the new rear spring FW.754 is only different in chamber from the springs…

05-page014 Inability to re-set cadmium-plated rear road springs for the Wraith II.
View original record Rm. c. Roy. c. RHC. LES 646- BY/Cgh.7/W.27.10.36. Wraith II : Rear Road Springs. With reference to Rm/Les.17/JH.26.10.36, owing to the fact that the road springs which you have in stock have been…

05-page015 On Wraith road springs, detailing the dangers of re-heat treating plated springs due to metal penetration.
View original record Rm. 404 BY.6/G.29.10.36. 646, WRAITH - ROAD SPRINGS. ----------------- Further to BY/Cgh.7/W.27.10.36. it is a very dangerous practice to attempt to re-heat treat springs which have been plated, the…

05-page016 Simplified lubricating coil pipe for the Wraith II front suspension, comparing it to the Phantom III.
View original record SECRET. TOBY. Copy to Bar. RM. HRC. Wraith II Front Suspension.- Lubricating Coil Pipe Upper Triangle Inner End. We send herewith N.Sch.5010 showing the lubrication coil pipe to the inner end of the…

05-page017 Design considerations and clearance issues for the Wraith II front suspension lower triangle.
View original record SECRET To BY. Copy to Da. Pom. (crossed out) RMG. (crossed out) WPB. (crossed out) RuyLes. (crossed out) Handwritten: 1044 646 Wraith II Lower Triangle, Front Suspension. We send herewith N.Sch.5016…

05-page018 Assembly of a Wraith II Front Roll Rod and proposing a modified design based on an American version.
View original record SECRET 1064 6A8 EV.10/RN.2.2.37. To EV. Copy to Mr. Rm. H.S. HIVES. Handwritten note: Les. Have they been told about this. Should like the information myself. Rm Wraith II Front Roll Rod. On…

05-page019 Use and positioning of a rear anti-roll bar on a Wraith II with a Phantom III rear axle.
View original record SECRET. To BY. Copy to Bar. Rm. HHG. HPS. Rry/Les. E/Ev.11/MN.2.2.37. 1049 646 Rear Anti-roll Bar for use on Wraith II with Phantom III Rear Axle. Until we have the proper rear axle for Wraith II with…

05-page020 Letter to Samuel Fox & Co. Ltd. clarifying the weight of a spring and providing a print for a centre bolt.
View original record 646. Experimental Dept. Rm/Les.11/JH. 3rd February, 1937. Messrs. Samuel Fox & Co.Ltd., Stocksbridge Works, Sheffield. For the attention of Mr. Starling. Dear Sirs, I find that weight of an 1100 lbs.…

05-page021 Letter to Messrs. Thos. Firth & John Brown Ltd. regarding the return of a print.
View original record 646 104-a Experimental Dept. Rm/Les.12/JH. 3rd. February, 1937. Messrs. Thos. Firth & John Brown Ltd., Atlas & Norfolk Works, Sheffield.1. For the attention of Mr. Porter. Dear Sirs, I am returning…

05-page022 Need to redesign and lighten the upper triangle levers for the Wraith II and Phantom III independent front wheel suspension.
View original record SECRET. To. BY. Copy to ES. Rm. Mac. Hives. Ray/LCS. Lightened Upper Triangle Levers - Wraith II Wheel Movement - Phantom III Independent Front Wheel Suspension. The upper triangle levers for the…

05-page023 Modifications for the Wraith II Independent Front Suspension to resolve issues found on the first car.
View original record SECRET To BY. Copy to Mr. Rm. RMc. H.S. E/Lid. Rm/Les. Handwritten: WS, 1044, 646 Wraith II Independent Front Suspension. --------------------------------------- We give below a series of…

05-page024 Design changes and solutions for yoke piece clamping bolts, an oil pipe, and a lower bearing.
View original record -2- E/EV.1/MN.8.2.37. 4) Yoke Piece Clamping Bolts. The clamping bolts at the top of the yoke piece shown on N.Sch.4544 foul the transverse boss between the limbs and the upper triangle on full bump.…

05-page025 Modification to the Wraith II front suspension main forging fixing bolts.
View original record SECRET. To BY. 1044 Copy to Dr. Rm. RHC. HFS. Rm/Hld. Rm/hes. Rm/Cry. [Signature] Wraith II Front Suspension Main Forging Fixing. It has been found that the large .625" diameter bolts are very…

05-page026 Use of plain bearings instead of rubber bushes for the Wraith II rear road springs.
View original record SECRET. To BY. Copy to- Da. Rm. HHC. RPS. Rm/Les. Wraith II Rear Road Springs. As originally instructed the front end of the Wraith II rear road spring is equipped with rubber bushes. The Expl. Dept.…

05-page027 Preliminary schemes for a new independent front wheel suspension for the Wraith III.
View original record SECRET. URGENT 646 To Rm. E/Ev.1/MN.27.2.37. Copy to Dr. BY. AHM Please arrange. RMC. HPS. Rm/Les. File Wraith III. by the tomorrow GRY --------------------------------- Independent Front Wheel…

05-page028 Design changes and providing blueprints for a vehicle mock-up.
View original record -2- rebound buffers. For want of information on the Jackall jack we have shown a standard Sessions jack. This drawing also shows the wheel movements. We have taken the opportunity of making the…

05-page029 Modifications to the Wraith II front hub, stub axle, and pivot.
View original record X1044 646 C D LV S C.E. Rg/Fm. RHC. EV. Da.1/HP.4.9.36. Wraith II - Front Hub and Pivot. Herewith is N.Sch.4889 shewing three modifications to the Hub and Stub axle on Wraith II. (1) Provision of a…

05-page030 Request to refit rubber shackles to the road springs of car 24.G.6.
View original record Road Springs? 646. HPS. from Rm/FD. Rm/FD.13/AP.10.3.37. 24.G.6. Will you please have the rubber shackles put back again on the above car. Rm/FD.

05-page031 Wraith III Independent Front Wheel Suspension with exposed road springs and separate dampers.
View original record SECRET. To Rm. Copy to Da. BY RHC. HFS. Rm/Lee. E/Ev.1/MN.12.3.37. 646 Wraith III Independent Front Wheel Suspension with Exposed Road Springs and Separate Dampers. With our E/Ev.1/MN.27.2.37 we sent…

05-page032 Urgent internal memo to order 4 needle bearings from Hoffmans.
View original record 646. Warner Road Sprgs Roy/Ms. c. G/JWH. Rm/Les/R.15.3.37. Will you please order from Hoffmans:- 4 Needle bearings - Type NR25 - Code word CEEYK. These are wanted very urgently. Rm/Les.

05-page033 Confirming the handover of schemes for a mock-up of the new front suspension for the Wraith III.
View original record SECRET 64/6 E/Ev.2/MN.17.3.37. To Rm. Copy to Hs. Da. BY. RHC. HPS. Rm/Les. ---------------- Re Wraith III New Front Suspension. -------------------------------- We confirm that we have already handed…

05-page034 Listing design scheme prints for the Wraith III new suspension, delivered for costing purposes.
View original record SECRET. To RMC/Mr.Turner. Copy to HS. HS. RM. BY. RHC. 646 Re Wraith III New Suspension. We confirm that we have delivered to you for costing purposes prints of the following schemes:- N.Sch.5060.…

05-page035 Letter from English Steel Corporation regarding two coil springs for print N.Sch 5071, detailing dimensions and delivery arrangements.
View original record TELEGRAMS: STEELCORPO, SHEFFIELD. TELEPHONE: 41071. EXTENSION LONDON OFFICE: VICKERS HOUSE, BROADWAY, WESTMINSTER, S. W. 1. TELE: VICTORIA 6900. ENGLISH STEEL CORPORATION LTD. INCORPORATING THE STEEL…

05-page036 Modified and simplified rear spring pad for the Wraith model, superseding a previous design.
View original record SECRET. 646. To BY. Copy to Ba. Rm. RHC. HFS. Rm/Les. Wraith Rear Spring Pad. We send herewith LeC.5302 showing a modified and simplified rear spring pad for Wraith, which supersedes the previous…

05-page037 Design and issues of the Wraith independent suspension system.
View original record SECRET 646 To Ba. from E. c.c. Sg. and Ws. Rm./Gry. BV. Ltd. E.1/HP.22.3.37. Wraith Independent Suspension. With reference to the cable received from Hs. Sunday 21/3/37, and our reply of even date,…

05-page038 Buick design scheme, a Derby proposal, and the successful use of rubber bushings by Cadillac.
View original record (sheet 2) position, but we must assume that design conditions have dictated the Buick scheme as proposed from Derby, and that these points have been considered. Do not conclude this is meant to…

05-page039 Micro-examination report on a Wraith front suspension coil spring that failed a bumper test.
View original record Micro-Examination Report. 646 M.1276. To Rm/Gry. HL4/AG.24.3.37. Laboratory. Re: Wraith Front Suspension Coil Spring GW.432, Failed on Bumper Test. This is a preliminary report to confirm that we have…

05-page040 The design schemes for the Wraith III open coil spring front suspension.
View original record SECRET. To BY. Copy to [redacted] Rm. [redacted] HFS. Hm/LCS. E/Ev.4/MN.31.3.37. 646 Wraith III Open Coil Spring front Suspension. ------------------------------------------ We send herewith the…

05-page041 Secret memo confirming the handover of blueprints related to the Wraith III open spring front suspension.
View original record SECRET 646 To Rm. Copy to Hs. Da. BY. RHC. HPS. Rm/Les. E/Ev.3/MN.31.3.37 Wraith III Open Spring Front Suspension. Further to our E/Ev.2/MN.17.3.37, we confirm that we have handed to you blueprints of…

05-page042 Micro-examination report detailing cracks found on a front suspension lever after a bumper test.
View original record Micro-Examination Report. M.1301. To Rm. R. Hs. BY. B/Hdy. E/Ev. H.P.S. 646 HL.12/AG.5.4.37. Laboratory. FRONT SUSPENSION LEVER GW.795. We understand that this lever, in which cracks were found after…

05-page043 Photomicrograph showing a cross-section of a material with a surface crack.
View original record R.R. 403 (10m) (92117-1-10-35) J.H., Ltd. ROLLS-ROYCE LTD. LABORATORY. PHOTOMICROGRAPH No. A1592 MAGNIFICATION: 175 DIAMETERS.

05-page044 Cover sheet with two handwritten reference numbers.
View original record M1,301 A1,592/3

05-page045 Photomicrograph showing a crack in a material's microstructure.
View original record R.R. 403 (10m) (92117-1-10-35) J.H., Ltd. ROLLS-ROYCE LTD. LABORATORY. PHOTOMICROGRAPH No. A1593 MAGNIFICATION: 175 DIAMETERS.

05-page046 Cover or separator page with handwritten reference numbers.
View original record M1301 A1592/3

05-page047 Secret memo detailing weight-saving modifications for the Wraith III front suspension main forging.
View original record SECRET. To EY. Copy to Dr. Rm. RHC. HPS. Rm/Lee. RHC/TVI. E/Ev.1/IN.8.4.37. 646 Wraith III Front Suspension Main Forging. We have already sent to you N.Sch.5018 showing the modification to the front…

05-page048 List of five design and manufacturing modifications made to a component.
View original record -2- 7) The diameter of the spigot into the pan has been reduced. 8) The stud and bolt flanges on the upper triangle bearing housing have been reduced in thickness. 9) Metal has been milled away at the…

05-page049 Inadequate bending stiffness of the Wraith III front suspension front pan and proposed modifications.
View original record SECRET To EY. Copy to Ds. Rm. RHO. HFS. My/Les. RHC/TVI. Wraith III Front Suspension Front Pan. The Expl. Dept. have told us that the vertical bending stiffness of the front pan of the front…

05-page050 Modifications to a lever bearing housing, radiator attachment forgings, and a stiffened pan.
View original record -2- lever bearing housing and the forgings for the radiator attachment. These modifications are shown on the scheme herewith. Due to the thicker head of the hexagon headed bolts used for attaching the…

05-page051 Experimental scheme for fitting Cadillac type rubbers to the Wraith III yoke piece lower bearing for front suspension flexibility.
View original record SECRET 646 Les To BY. Copy to Dr. Rm. RHC. HPS. EV/Les. E/EV.3/MN.12.4.37. Is this like yours (Ry) No Lel Re Wraith III Yoke Piece Lower Bearing Cadillac Type Rubbers. It has been thought that there…

05-page052 Request for a covering order for 4 main plates for springs, previously ordered by telephone.
View original record 646 Roy/Ms. from Rm/Les. c. G/JWH. Rm/Les11/R.12.4.37. Will you please send a covering order to Messrs. Jonas Woodhead & Sons Ltd. for 4 main plates to suit the springs they have recently supplied to…

05-page053 Experimental job for the front anchorage of the rear spring on the Wraith III.
View original record 646. BY C. HPS. Rm. SECRET. E/JNR.2/HP.12.4.37. Wraith III - Front Anchorage of Rear Spring. Please receive herewith:- LeC.5617 - showing the above, with a sleeve for the rubber bushes with spun over…

05-page054 Design improvements for the Wraith III front suspension, including the use of rubber mountings and Silentbloc bushes.
View original record SECRET. 646. E/Ev.2/LN.14.4.37. To BY. Copy to DR. FHC. Rm. HES. AHy/les. HY/NW. ----------------- Re Wraith III Front Suspension. Reports from America and the results of our observations somewhat…

05-page055 Page discussing transverse shivering at the rear of the frame, and tyre noises.
View original record -2- coming both the transverse shivering at the rear of the frame and the tyre and other noises. Ev. Att:N.Sch.5114.

05-page056 Letter to T.B. Andre & Co. Ltd. regarding the use of Silentbloc bushes for independent front wheel suspension.
View original record Copy to EY. Ba. Rm. RHC. HPS. RM/Les. BY/NW. 646 M/EV.3/IN. 14th. April, 1937. Messrs. T.B. Andre & Co. Ltd., Victoria Gardens, Ladbroke Road, Notting Hill Gate, London, W.11. For the attention of Mr.…

05-page057 Letter from a supplier regarding the failure and examination of laminated springs.
View original record 646 JONAS WOODHEAD & SONS, LTD., MANUFACTURERS OF LAMINATED SPRINGS FOR ROLLING STOCK ROAD OR RAIL TRADE MARK REGISTERED. TELEPHONES: LEEDS 20814 AND 20815. (PRIVATE BRANCH EXCHANGE) LONDON MAYFAIR…

05-page058 Continuation sheet of a letter from Jonas Woodhead & Sons Ltd regarding a bumper test failure on springs.
View original record JONAS WOODHEAD & SONS LTD Continuation Sheet No. 2 main plate eyes on your bumper test. Whilst it is true the plate is on the thin side at the point of fracture, nevertheless, we should not have…

05-page059 The Wraith III front suspension and frame, detailing the introduction of a new cross member.
View original record SECRET. To PY. Copy to Mr. RM, MHC. RM/Les. HPS. P/JNR. E/Ev.S/IN.15.4.37. 646 Wraith III Front Suspension and Frame. The Expl. Dept. report that on the bump chassis the front suspension pan appears…

05-page060 Design modification for the Wraith III front suspension bump buffers, detailing the use of hexagon headed bolts.
View original record SECRET. To EY. Copy to Er. Rm. RHG. HPS. HuyLes. 846. E/EV.4/MN.19.4.37. Bump Buffers, Front Suspension - Wraith III. -------------------------------------------- In order to use hexagon headed bolts…

05-page061 Particulars of a top leaf for replacing a broken one on Woodhead springs.
View original record PARTICULARS OF TOP LEAF REPLACING BROKEN ONE ON WOODHEAD SPRINGS. BORE OF EYE NOT MACHINED. LEAF FITTED TO Nº1 SPRING THICKEST SECTION OF LEAF .259" THINNEST SECTION OF LEAF .252" LEAF FITTED TO Nº2…

05-page062 Suggested modifications to the spring suspension system for the Wraith model.
View original record 646 HOS RHC. c. EY. c. Hs. c. Mx. c. Fms. c. Ga. RHC/TWT.1/JWA.21.4.37. WRAITH SUGGESTED MODIFICATIONS TO SPRING SUSPENSION. Referring to EY/TWD.1/E.2.4.37., please receive our considered opinion of…

05-page063 List of suggestions and answers regarding design modifications for various components.
View original record -2- RHC/TVT.1/JWA.21.4.37.(cont) S. 5. The eight stud holes .3125 Dia. 5.300 P.C. should be drilled .700 Deep. This means that the inside of the Housing required modifications. The .675 Dim. will be…

05-page064 Discussion document on potential design and manufacturing alterations for components GW.740 and GW.847.
View original record -3- RHC/TVT.1/JWA.21.4.37.(con S. 12. GW.740. could the eight Bosses be machined by turning. A slight alteration to design may be necessary. Could be produced as a die casting. A. This piece is also…

05-page065 Modifications to the Bell Crank Lever on the Yoke Piece for the Wraith III front suspension.
View original record SECRET. 646 AFM Is this OK GRY E/Ev.2/M.21.4.37. Copy to Dev. Rm. RMO. Hrec. Ha/Lons. File BELL CRANK LEVER ON YOKE PIECE. FRONT SUSPENSION - WRAITH III. It is necessary to provide felt washers for…

05-page066 Order of various road springs from Firths.
View original record To Roy/MS. Rm/Les.3/JH.1.5.37. 646 Will you order from Firths :- Two pairs of road springs to FW.754. One pair 1050 lbs. One pair 1100 lbs. O/N.54127. Rm/Les.

05-page067 Request to investigate an issue with front suspension top triangular levers contacting the outer aluminium spring housing.
View original record To HPS. 646 Rm/Les.9/JH.4.5.37. 25-O-VI. Will you please investigate the fact that the front suspension top triangular levers are making contact on the outer alum spring housing. Rm/Les.

05-page068 Internal request to order 12 silent-bloc bushes with part number E.2134.
View original record To Roy/MS Suspense 646 Rm/Les.24/JH.4.5.37. Will you please order 12 silent-bloc bushes E.2134. Order No.54127. Rm/Les.

05-page069 Covering order for 2 pairs of springs for Messrs Jonas Woodhead.
View original record 646. To Roy/Ms. from Rm/Les. c. G/LWH. Rm/Les.3/AP.5.5.37 Will you please issue to Messrs Jonas Woodhead, a covering order for 2 pairs of springs to FW.754, 1100 lbs. O/N.54127. Rm/Les.

05-page070 Letter to a supplier regarding the poor quality of spring eyes and ordering further parts.
View original record 646 May 5th.1937 Rm/Les.2/AP. Messrs Jonas Woodhead & Sons Ltd., Kinstall Road, LEEDS 4. For the attention of Mr. Saunders. Dear Sirs, The attached figures show that the eyes on the 4 top plates which…

05-page071 Requested modifications for the Wraith model's suspension and damper systems.
View original record To E. c. to Da. c. to By. WRAITH. Front Suspension Rebound Buffers. We find that the shock damper piston hits the end of the cylinder on full rebound. This causes a loud knock on humped back bridges.…

05-page072 Trouble with Wraith rear spring rubber bushes and requesting replacements with specific diameters.
View original record HPS. from Rm/Les. F 646 Rm/Les.13/AP.11.5.37 WRAITH REAR SPRING RUBBERS FW.1055 We have had trouble on the bumper chassis from the rubber bushes in the spring eyes powdering veryn badly. We therefore…

05-page073 The abandoned application of a Wraith III independent front suspension to a Bentley III.
View original record SECRET. Copy to Dev. MBV. HS. Rm/Les. 646 also 200B E/Ev.E/M.22.5.37. BENTLEY III. WITH WRAITH III. FRONT SUSPENSION. We send herewith the following schemes showing the application of the Wraith III.…

05-page074 Proposed lightening modification for the Wraith Chassis front suspension housing and the suitability of materials.
View original record LE Your views? 646 SECRET Rm ROY. c. Rm. HPS. E.6/HP.24.5.37. Wraith Chassis - Front Suspension Housing. With reference to Messrs. Deritend's letter in which they state that new dies at a cost of £150…

05-page075 Investigation into criticisms of the Wraith III rear damper suspension.
View original record SECRET. 646 Rm. Copy to E. Da. By. RHC. HPS. Rm/Les. LES. (Is this a victory or a defeat?) Rm E/Ev.3/M.26.5.37. Re: WRAITH III. REAR DAMPER SUSPENSION. --------------------------------- We have…

05-page076 Insufficient clearance for a bolt located between the road spring and the damper arm.
View original record -2- E/Ev.3/M.26.5.37. impossible as there is not enough clearance no matter which way round the bolt is placed, as on one side the nut would be close to the road spring and on the other side to the…

05-page077 Suggestions concerning the construction of the pan of the front suspension for the Wraith III.
View original record SECRET. Copy to Mr. [REDACTED] Rm. [REDACTED] Hucr. [REDACTED] 646 LES Any Comments RDn S/Ev.S/M.1.6.37. WRAITH III. FRONT SUSPENSION. ------------------------- The Experimental Dept. have made the…

05-page078 Letter from British Tyre & Rubber Co. Ltd. confirming the price for 12 Rubber Bushes.
View original record BRITISH TYRE & RUBBER CO. LTD. FORMERLY BRITISH GOODRICH RUBBER CO. LTD. TELEPHONE BURTON-ON-TRENT 2977 (2 LINES). TELEGRAMS: "BRITGOODS, BURTON-ON-TRENT." DIRECTORS: SIR WALROND SINCLAIR, K.B.E.,…

05-page079 Payment for two invoices for Rubber Bushes from the British Tyre & Rubber Co. Ltd.
View original record Rm/Les 646 G/WFH/CA37/NR.1.6.37 We have two invoices from the British Tyre & Rubber Co.Ltd. dated 30th April and 19th May on which we are charged 1/-d. each for 36 Rubber Bushes FW.1055, which they…

05-page080 Letter to British Tyre & Rubber Co. Ltd. regarding a pricing discrepancy for rubber bushes.
View original record 646 Experimental Dept. Rm/Les.11/JH. 3rd June, 1937. Messrs. British Tyre & Rubber Co.Ltd., Oxford Works, Burton-on-Trent. For the attention of Mr.Williams. Dear Sirs, Re two invoices from you dated…

05-page081 Fitting of 1100 lbs Firth's rear springs to car 26-G-IV.
View original record To HPS. 646 Rm/Les.6/JH.3.6.37. 26-G-IV Rear Springs. There are a pair of 1100 lbs. Firth's springs FW.757 in the works stores. These should be fitted to the above car in conjunction with rubber…

05-page082 Invoices received from the British Tyre & Rubber Co. Ltd. for F.W.1055 Rubber Bushes.
View original record Rm/Les. 646 G/WFH/CA.22/JM.4.6.37 Further to our memo of the 1st. instant, ref. G/WFH/CA.37/NR, informing you of the receipt of two invoices from the British Tyre & Rubber Co. Ltd., on which we are…

05-page083 Modifications to the Wraith III rear roll rod and shock absorber to resolve a fouling issue with the jack.
View original record SECRET. By. Copy to Dcr. Rm. RHC. HPS. Re/Loos. 646 E/Ev.1/M.5.6.37. WRAITH III. REAR ROLL ROD. On the scheme for the rear roll rod and shock absorber connecting link with lubricated ball ends…

05-page084 Letter from a supplier regarding a pricing query on an order for rubber bushes.
View original record BRITISH TYRE & RUBBER CO. LTD. FORMERLY BRITISH GOODRICH RUBBER CO. LTD. OXFORD WORKS, DERBY ROAD, BURTON-ON-TRENT. TELEPHONE: BURTON-ON-TRENT 2977 (2 LINES). TELEGRAMS: "BRITGOODS, BURTON-ON-TRENT."…

05-page085 The issue of a covering order to The British Tyre & Rubber Co.Ltd. for 52 rubbers.
View original record To Roy. from Rm/Les. c. to G/JWH. 646 Rm/Les.2/AP.9.6.37 O/54127 Will you please issue a covering order to The British Tyre & Rubber Co.Ltd., for 52 rubbers to FW.1055. The price to be paid for these…

05-page086 Modifications to the Wraith III front suspension, including a simplified bracing scheme and damper fitting.
View original record SECRET. [Handwritten: 646] Rm. from E/Ev. Copy to E. [Handwritten: Da. (struck through)] [Handwritten, faint, illegible markings] E/Ev.1/M.7.6.37. WRAITH III. FRONT SUSPENSION.…

05-page087 And a sketch detailing dimensional changes and assembly instructions for a hub component.
View original record out dia 13 1/2" } New 13.6" } J. Desi' Holes for hardened rivets omitted & drilled to the hub. Prices for the faces

05-page088 Modifications to the Wraith front suspension, including replacing bearings and seals.
View original record HPS. from Rm/Les. 646 Rm/Les4/R.11.6.37. WRAITH FRONT SUSPENSION. Will you produce 2 chassis sets of bronze bushes to replace the needle bearing in the front suspension. We also want to try Duprene…

05-page089 Confirming the type of springs to be fitted on a Wraith for a 15,000 miles test.
View original record To Rm. from Hy. Hy.21/KW.12.6.37. 646 LES. Wraith - 15,000 Miles Test. Hs. would like you to confirm to him that the Wraith which goes on the 15,000 miles test will be fitted with the springs which we…

05-page090 Use of Woodhead and Firth's rear road springs for the Wraith model.
View original record Hy. from Rm/Les. c. Hs. 646 Rm/Les.20/AP.14.6.37 REAR ROAD SPRINGS - WRAITH. Re. Hy.21/KW.12.6.37. The first car to go to France will have Woodhead rear springs. Owing to the inaccurate Production of…

05-page091 Spring eye bushes and a faulty top plate to Jonas Woodhead & Sons Ltd.
View original record D/BP. from Rm/Les. c. G/Mt. 6463 Rm/Les.17/AP.17.6.37 We are sending into the Stores for despatch to Jonas Woodhead & Sons Ltd., Kirstall Road, LEEDS. 4 spring eye bushes which will be built into…

05-page092 Fitting and swapping rear road springs between vehicles 26.G.VI and 27.G.VI.
View original record HPS. from Rm/Les. J 646 Rm/Les6/R.17.6.37. REAR ROAD SPRINGS - 26.G.VI and 27.G.VI. Will you please fit a pair of Woodhead springs, which are now in the Garage Stores to 26.G.VI. The off side should…

05-page093 Letter from Jonas Woodhead & Sons awaiting confirmation to manufacture four leaves following a conversation with Mr. Leslie.
View original record JONAS WOODHEAD & SONS, LTD., TRADE MARK MANUFACTURERS OF LAMINATED SPRINGS FOR ROLLING STOCK ROAD OR RAIL REG'D OFFICE AND WORKS: KIRKSTALL ROAD, LEEDS, 4. LONDON OFFICE: DEVONSHIRE HOUSE, STRATTON…

05-page094 The inadequacy of the Wraith III front suspension rebound buffer and proposals for a solution.
View original record SECRET. Copy to Mr. Bar. Hm. HBC. Rm/Lest E/EV.1/M.24.6.37. WRAITH III. FRONT SUSPENSION REBOUND BUFFER. It has been reported that the rebound buffer on the Wraith III. front suspension shown on…

05-page095 Letter of complaint to a supplier regarding faulty spring components and undrilled oil holes.
View original record 646 Rm/Les15/R. 25th June, 1937. Messrs. Jonas Woodhead & Sons Ltd., Kirkstall Road, L E E D S. 4. Dear Sirs, With reference to your letter dated 24th June. We are anxious to have an explanation of…

05-page096 The pricing, design alterations, and testing of Woodhead road springs for the Wraith model.
View original record Sg. from Rm/Les. Re. c. S. c. REC. c. Hy. c. Roy. c. Da. 646 Rs/Les.2/H.26.6.37. WOODHEAD ROAD SPRINGS FOR WRAITH. The prices per spring for production quantities are:- Firth ........ £4.7.6. Woodhead…

05-page097 Unreliability and cost of Woodhead springs, leading to a decision to co-operate with supplier Firths.
View original record -2- Up to the present the manufacture of the Woodhead springs has been unreliable. The attached photograph shows the small eye of one of the latest springs intended for French testing. The eye is…

05-page098 Laboratory photograph showing a cross-section of a machined metal component, possibly a connecting rod big-end.
View original record LABORATORY M1352/1

05-page099 Letter from a supplier regarding the manufacture and replacement of back plates for springs.
View original record 646 JONAS WOODHEAD & SONS, LTD., MANUFACTURERS OF LAMINATED SPRINGS FOR ROLLING STOCK ROAD OR RAIL TRADE MARK REGISTERED. TELEPHONES: LEEDS 20814 AND 20815. (PRIVATE BRANCH EXCHANGE) LONDON MAYFAIR…

05-page100 Covering order be sent to Messrs. Woodhead & Sons Ltd. for 4 top plates.
View original record Roy/Ms. from Rm/Les. c. G/JWH. 646 Rm/Les4/R.29.6.37. Will you please send a covering order to Messrs. Woodhead & Sons Ltd. for 4 top plates to suit springs FW.754. These have been ordered in our…

05-page101 Modifications to the Phantom III suspension and brakes for car 35-EX.
View original record To HPS. 646 Rm/AFM.17/JH.5.7.37. Phantom III Suspension. Will you please order six sets of forgings for the Phantom III upper triangle levers to give Wraith wheel movement (price numbers…

05-page102 Letter from Jonas Woodhead & Sons Ltd. discussing the modification of four back plates, detailing a change from welding to drilling.
View original record 646. JONAS WOODHEAD & SONS LTD., KIRKSTALL ROAD, LEEDS, 4. ALLAN O. KYLE, (Chairman & Managing) KENNETH A. E. MOORE, F.C.A. THOMAS H. SANDERS, M.I.MECH.E. JONAS WOODHEAD. TELEGRAMS: FORGE, LEEDS.…

05-page103 Dampers for a specific Bentley.
View original record Run Armstrong Dampers. Bregg's Bentley

05-page104 Letter from the Experimental Department to T.Firth & John Brown Ltd. confirming a requirement for 5 pairs of springs.
View original record C46 Experimental Department 10th July 1937 Rm/Les./AP. Messrs T.Firth & John Brown Ltd., Tinsley Works, SHEFFIELD. For the attention of Mr.Porter Dear Sirs, This is to confirm that we require some…

05-page105 Letter from a supplier discussing the progress and dispatch of four back plates.
View original record 646 JONAS WOODHEAD & SONS LTD., ALLAN G. KYLE,(Chairman & Managing) KENNETH A. E. MOORE, F.C.A. THOMAS H. SANDERS, M.I.MECH.E. JONAS WOODHEAD. KIRKSTALL ROAD, LEEDS, 4. TELEGRAMS: FORGE, LEEDS.…

05-page106 Letter to Messrs Thomas Firth & John Brown Ltd. regarding the supply of experimental springs and temporary centre bolts.
View original record 646? July 15th 1937 Rm/Les.2)/AP. Messrs Thomas Firth & John Brown Ltd., Atlas and Norfolk Works, SHEFFIELD. For the attention of Mr.Porter. Dear Sirs, In case there is some difficulty in sending you…

05-page107 Letter to a supplier acknowledging the receipt of new top plates and providing initial positive feedback.
View original record 646 Rm/Les/R. 15th July, 1937. Messrs. Jonas Woodhead & Sons Ltd., Kirkstall Road, L E E D S. 4. For the attention of Mr. Sanders. Dear Sirs, Thank you for sending the new top plates. Eyes seem to be…

05-page108 Letter to a supplier regarding the quotation and manufacture of road springs.
View original record Rm/Les.14/AP. August 3rd.1937 Messrs Thomas Firth & John Brown Ltd., Atlas & Norfolk Works, SHEFFIELD. Dear Sirs, We are very pleased to have received the first 3 pairs of road springs having main…

05-page109 Letter from Thos Firth & John Brown Ltd acknowledging a request for a quotation for springs.
View original record THOS FIRTH & JOHN BROWN LTD INCORPORATING THE WHOLE OF THE UNDERTAKING OF THOS FIRTH & SONS LTD AND THE STEEL BUSINESS PREVIOUSLY CARRIED ON BY JOHN BROWN & CO LTD ATLAS & NORFOLK WORKS SHEFFIELD, 1…

05-page110 Covering order for coil springs from the English Steel Corporation Ltd.
View original record Roy/MS. from Rm/Les. c. c. G/JWH. 1305 Rm/Les7/R.5.8.37. Will you please send a covering order to the English Steel Corporation Ltd. for:- 6 coil springs GW.1716. 6 " " GW.1717. We have asked for…

05-page111 Continual drips from the N.S.R. spring shackle and the replacement of specific bijur feeds.
View original record CHATEAUROUX. Rm/IMW/7/JAB.5.8.37. To. Rm. c.c. Rm/Lgs. c.c. Rm/GWH. [crossed out] [Handwritten in red ink]: 646 also 600a 26.G.VI.- 25/30 HP. [Handwritten signature in blue ink] Chassis Lubrication…

05-page112 Letter to English Steel Corporation Ltd. requesting replacement springs.
View original record Rm/Les6/R. 5th August 1937. English Steel Corporation Ltd., Vickers Works, SHEFFIELD. For the Attention of Mr. Gray. Dear Sirs, We are intending to replace the springs you have supplied to GW.432/3 by…

05-page113 Letter from English Steel Corporation Ltd. confirming a spring replacement order.
View original record TELEGRAMS: STEELCORPO, SHEFFIELD. TELEPHONE: 41071. EXTENSION LONDON OFFICE: VICKERS HOUSE, BROADWAY, WESTMINSTER, S. W. I. TELE: VICTORIA 6900. ENGLISH STEEL CORPORATION Ltd. INCORPORATING THE STEEL…

05-page114 Secret memo regarding machining issues with Wraith III front suspension cast steel main lever housings.
View original record f To EH. from HPS. c. to Rm. c. to WAH. 64b. HPS.3/VS.13.8.37. S E C R E T . WRAITH III FRONT SUSPENSION. We have now completed the machining on one pair of cast steel main lever housings produced by…

05-page115 Drawing illustrating defects in a cast metal component, showing a blow-hole and insufficient metal on a boss.
View original record BLOW-HOLE APPROX .250 DEEP INSUFFICIENT METAL ON BOSS

05-page116 Cross-sectional drawing of a component with a thickness callout.
View original record 050 THIN AT THIS SECTION SEE SECTn "EE" GW1551

05-page117 Photograph showing the general condition of cast steel main lever housings after final machining.
View original record Showing General Condition of Castings after Final Machining. GW.1590/1. Main Lever Housings - Cast Steel.

05-page118 Photograph showing blowholes on the internal diameter of cast steel main lever housings.
View original record Showing Blowholes on Internal Diameter, many of which break through to the External Surfaces of Casting. GW.1590/1. Main Lever Housings - Cast Steel.

05-page119 Cast steel main lever housing that failed machining due to flange issues and blowholes.
View original record Showing Flange on Front Face of Housing which has failed to MachineUp. Also Blowholes on Rear Face of Casting. GW.1590/1. Main Lever Housings - Cast Steel.

05-page120 Photograph showing blowholes in the bottom face of two cast steel main lever housings.
View original record Showing Blowholes in Bottom Face of Casting. GW.1590/1. Main Lever Housings - Cast Steel.

05-page121 Cover letter from Thos Firth & John Brown Ltd. enclosing Drawing No. 210.
View original record THOS FIRTH & JOHN BROWN LTD. INCORPORATING THE WHOLE OF THE UNDERTAKING OF THOS FIRTH & SONS LTD AND THE STEEL BUSINESS PREVIOUSLY CARRIED ON BY JOHN BROWN & CO LTD ATLAS & NORFOLK WORKS SHEFFIELD.1…

05-page122 Letter from a supplier regarding the cost of simplified design rear springs.
View original record 646 THOS FIRTH & JOHN BROWN LTD INCORPORATING THE WHOLE OF THE UNDERTAKING OF THOS FIRTH & SONS LTD AND THE STEEL BUSINESS PREVIOUSLY CARRIED ON BY JOHN BROWN & CO LTD ATLAS & NORFOLK WORKS SHEFFIELD,…

05-page123 Request to fit vent plugs to the front suspension for car LeC 5699.
View original record X 646 To. HPS. from Rm/Les. c. Wym. Rm/Les.3/H.3.9.37. 26-G-IV. FRONT SUSPENSION. Will you please fit the vent plugs LeC 5699 to the above car. Rm/Les.

05-page124 Scheme outlining modifications to the Rear Spring Pad and Suspension Bracket for the Wraith III.
View original record SY/Rm. [crossed out] C. Rm. [crossed out] 646 [handwritten] DA.5/G.8.9.37. Wedgwood ans [handwritten] REAR SPRING PAD - WRAITH 111. Herewith the following scheme :- F.CD.40 Modified Spring Pad and…

05-page125 Cost and performance of different rear road springs for the Wraith model.
View original record SECRET Hs. from Rm/Les. c. By. c. Da. c. RHC. c. Roy. Rm/Les.2/AP.11.9.37 64 WRAITH REAR ROAD SPRINGS We are replacing the Woodhead rear springs which have run 7,000 miles on 26.G.V1 and have not been…

05-page126 Blueprints for a modified Yoke Piece for the Wraith front suspension.
View original record HDS (Strikethrough) Rm. Rm/FEH (Strikethrough) 646 (Handwritten) BY/NS.10/G.17.9.37. WRAITH - FRONT SUSPENSION. We send you herewith two blueprints of Ex.S.82 Yoke Piece R.H. & L.H. 1 off each hand.…

05-page127 Blueprints for a modified Wraith front suspension yoke piece.
View original record WBS Rm/FJH. 646 BY/NS.10/G.17.9.37. WRAITH - FRONT SUSPENSION. We send you herewith two blueprints of Ex.S.82 Yoke Piece R.H. & L.H. 1 off each hand. This piece is similar to GW.1488/9 except for the…

05-page128 Scheme for the Wraith III rear springs using threaded shackles and 'Duprene' washers.
View original record F. Dept. [crossed out] G. Dept. [crossed out] D. Dept. [crossed out] E. Dept. [crossed out] C. Rm. OF. FB. [crossed out] -------------------- 646 DA.1/G.21.9.37. REAR SPRINGS - WRAITH III.…

05-page129 Requesting to replace the front suspension breather with a vent plug on the Wraith model.
View original record 646 To By. from Rm/Les. c. Da. Rm/Les.11/MH.28.9.37. FRONT SUSPENSION VENT PLUGS ON WRAITH. As 32-EX has run successfully for 17,000 miles with the front suspension vent plugs blocked up, will you…

05-page130 Instruction to fit new front suspension springs G.W.1716/7 to car 25-G-VI.
View original record To HPS. from Rm/Les. c. Wym. + 646 Rm/Les.13/MH.29.9.37. 25-G-VI. FRONT SUSPENSION. Will you please fit the new front suspension springs G.W.1716/7 to the above car. Rm/Les.

05-page131 Requesting to fit a Rubber Lower Yoke Bearing to car 24-G-VI.
View original record To HPS. from Rm/Les. c. Wym. Rm/Les.14/MH.29.9.37. 646 RUBBER LOWER YOKE BEARING WRAITH N.SCH.5110 Will you please fit the above parts to 24-G-VI. the next time the car is in the fitting shop. Rm/Les.

05-page132 Change to 4-bolt fixings for front suspension main lever housings on the first 6 production Wraith chassis.
View original record 646 To By. Rm/Les.16/JH.12.10.37. FRONT SUSPENSION MAIN LEVER HOUSINGS FOR FIRST 6 PRODUCTION WRAITH CHASSIS. As Jessop's patterns for the cast steel front suspension housing are to GW.1746/7 having…

05-page133 Changing the supplier for Wraith rear road springs from Firths to Woodheads for six production chassis.
View original record To Roy/Ms. from Rm/Les.646 Rm/Les.4/MH.4.11.38. WRAITH REAR ROAD SPRINGS. Will you please arrange for the rear springs for the six production chassis to come from Woodheads instead of Firths as…

05-page134 Letter to Jonas Woodhead & Sons Ltd. ordering 6 pairs of springs and requesting a quotation for a larger quantity.
View original record 646 Rm/Les.16/JH. 4th November, 1937. Messrs. Jonas Woodhead & Sons Ltd., Kirkstall Road, Leeds.4. For the attention of Mr. Sanders. Dear Sirs, We are sending you an order for 6 pairs of springs to…

05-page135 Letter from Jonas Woodhead & Sons regarding an order for six pairs of laminated springs and arranging a follow-up meeting.
View original record LES 646 JONAS WOODHEAD & SONS, LTD., MANUFACTURERS OF LAMINATED SPRINGS FOR ROLLING STOCK ROAD OR RAIL REG'D OFFICE and WORKS: KIRKSTALL ROAD, LEEDS, 4. LONDON OFFICE: DEVONSHIRE HOUSE, STRATTON…

05-page136 Request to adjust the rear road spring shackles by adding washers to reduce side clearance.
View original record To HPS. from Rm/Les. x 646 Rm/Les.12/MH.8.11.37. 25-G-VI REAR ROAD SPRINGS. Will you please washer up the rear spring shackles on the above car so that there is the very smallest amount of side…

05-page137 Improvements to the Wraith model's front suspension and steering.
View original record [redacted stamp] c. Rm. ------ 646 DA.2/G.9.11.37. WRAITH - FRONT SUSPENSION AND STEERING. It has been found that reducing the castor angle of the front pivots improves the Wraith steering. We…

05-page138 Letter from Jonas Woodhead & Sons Ltd. arranging a meeting to discuss rear springs.
View original record 648 JONAS WOODHEAD & SONS LTD., ALLAN G. KYLE, (Chairman & Managing) KENNETH A. E. MOORE, F.C.A. THOMAS H. SANDERS, M.I.Mech.E. JONAS WOODHEAD. KIRKSTALL ROAD, LEEDS, 4. TELEGRAMS: FORGE, LEEDS.…

05-page139 Wraith rear road springs, comparing suppliers Firths and Woodheads, and outlining new specifications.
View original record Rm. Rm./S BY.5/G.24.11.37. 646 WRAITH - REAR ROAD SPRINGS. In view of the facts so far ascertained in connection with springs supplied by Firths and Woodheads respectively, there is no reason so far…

05-page140 Data table of spring deflections for chassis types 24.G.VI. and 27.G.VI., with data from prior to November 1937.
View original record J 1205 646 SPRING DEFLECTIONS. PRIOR TO NOV. 1937. 24.G.VI. Rate lbs/ins. Load lbs. Initial Deflection ins. N.S.F. 131 1018 7.77 O.S.F. 134 1130 8.44 N.S.R. 163 1158 7.1 O.S.R. 168 1138 6.78 27.G.VI.…

05-page141 Letter from Jonas Woodhead & Sons, Ltd. regarding a recent visit and the supply of laminated springs.
View original record JONAS WOODHEAD & SONS, LTD., MANUFACTURERS OF LAMINATED SPRINGS FOR ROLLING STOCK ROAD OR RAIL TRADE MARK REGISTERED. REG'D. OFFICE AND WORKS: KIRKSTALL ROAD, LEEDS, 4. LONDON OFFICE: DEVONSHIRE…

05-page142 Testing methods for unground spring plates to address decarburization.
View original record HL/wnd. Cgh/EM. c. Rm. 646 BY.16/G.9.12.37. ROAD SPRINGS. LES I should take a keen interest in this if I were you. Rm Referring to the sample piece of unground spring plate, after checking the…

05-page143 Letter from a supplier confirming a telephone conversation regarding the supply of laminated springs.
View original record JONAS WOODHEAD & SONS, LTD., MANUFACTURERS OF LAMINATED SPRINGS FOR ROLLING STOCK ROAD OR RAIL TRADE MARK REGISTERED REG'D OFFICE AND WORKS: KIRKSTALL ROAD, LEEDS, 4. LONDON OFFICE: DEVONSHIRE HOUSE,…

05-page144 Telegram received by telephone regarding the movement of two chassis from Leeds to Derby.
View original record ROLLS-ROYCE LTD. 646 TELEGRAM RECEIVED BY TELEPHONE. Time Received: 11 30 Date: 21.12.37 To: Leslie Carr By: dh from: Leeds 11-0 15 Two chassis leaving Leeds 1.0 pm arrive Derby 2 52 pm o'clock FROM:…

05-page145 Letter from Jonas Woodhead & Sons, Ltd. confirming the wired dispatch details for two springs.
View original record 648 JONAS WOODHEAD & SONS, LTD., MANUFACTURERS OF LAMINATED SPRINGS FOR ROLLING STOCK ROAD OR RAIL TRADE MARK THE SOCIETY OF MOTOR MANUFACTURERS & TRADERS REGISTERED. REG'D OFFICE AND WORKS: KIRKSTALL…

05-page146 Increased loads on the rubber links of the Oldsmobile front roll rod for the Wraith model.
View original record To Da. from Rm/IMW. 646 Rm/IMW.6/MH.22.12.37. RE OLDSMOBILE FRONT ROLL ROD ON WRAITH. Further to our conversation with Mr. Draper we wish to confirm that we have queried the increase in load in the…

05-page147 Letter from Jonas Woodhead & Sons Ltd. confirming the despatch of two springs without bushes.
View original record 646 JONAS WOODHEAD & SONS LTD., KIRKSTALL ROAD, LEEDS, 4. ALLAN G. KYLE,(Chairman & Managing). KENNETH A. E. MOORE, F.C.A. THOMAS H. SANDERS, M.I.Mech.E. JONAS WOODHEAD. TELEGRAMS: FORGE, LEEDS.…

05-page148 Visit to the spring manufacturer Jonas Woodhead, covering their output and manufacturing processes.
View original record To By...... from Da/DB. c. Da. Rm. 646 Da/DB.12/N.22.12.37. Visit to Jonas Woodhead. WES After the reading of my paper in Leeds on Wednesday the 15th.inst. Mr T.H.Sanders, of Woodheads invited me to…

05-page149 Page discussing the performance of ground and cadmium plated springs compared to black-bar type springs.
View original record -2- load is less than with a stiffer spring. They agreed that our ground and cadmium plated spring would enable higher stresses to be used, and would thus give a lighter spring for the same duty than…

05-page150 Letter from supplier Jonas Woodhead & Sons, Ltd. regarding an order for rear springs, confirming a drawing change and awaiting further details.
View original record JONAS WOODHEAD & SONS, LTD., MANUFACTURERS OF LAMINATED SPRINGS FOR ROLLING STOCK ROAD OR RAIL REG'D OFFICE AND WORKS: KIRKSTALL ROAD, LEEDS, 4. LONDON OFFICE: DEVONSHIRE HOUSE, STRATTON STREET, W.1.…

05-page151 Design and material specifications for an Anti Roll Rod for the Wraith III front suspension.
View original record BY/NS. 646 c. Rm. c. HPS. DA.20/G.24.12.37. WRAITH III. FRONT SUSPENSION. F.CD.306. Please receive herewith Anti Roll Rod, which is the completed drawing of which an advance print was sent you a few…

05-page152 Comparison table of rod and lever arm specifications for Oldsmobile and Wraith III models.
View original record Particulars. | Oldsmobile. | Wraith III. Dia. of Rod. | .6875 | .634 Effective Length. | 34.000 | 28.500 Lever arm. | 7.000 | 8.000 Lower triangle fulcrum lever length. | 14.250 | 12.350 Load at end…

05-page153 Letter to a supplier regarding the receipt of springs, a missing lubricator type, and an inquiry about the remaining order.
View original record 646 Rm/Les.2/MH. 29th. December 1937. Messrs. Jonas Woodhead & Sons Ltd., Kirkstall Road, Leeds,4. For the attention of Mr. Sanders. Dear Sirs, Thank you for your letter of the 22nd. We are very…

05-page154 Letter from Jonas Woodhead & Sons, Ltd. confirming details and poundage of laminated springs for drawing FW.1477.
View original record JONAS WOODHEAD & SONS, LTD., MANUFACTURERS OF LAMINATED SPRINGS FOR ROLLING STOCK ROAD OR RAIL REG'D OFFICE AND WORKS: KIRKSTALL ROAD, LEEDS, 4. LONDON OFFICE: DEVONSHIRE HOUSE, STRATTON STREET, W.1.…

05-page155 Continuation sheet of a letter from Jonas Woodhead & Sons Ltd.
View original record JONAS WOODHEAD & SONS LTD J.W.& S.159 Continuation Sheet No. 2 We trust you will find this information of service, and should you require any further particulars, we shall be pleased to forward same.…

05-page156 Letter from Jonas Woodhead & Sons Ltd. regarding the supply and specifications of springs for drawing FW.1477.
View original record JONAS WOODHEAD & SONS, LTD., MANUFACTURERS OF LAMINATED SPRINGS FOR ROLLING STOCK ROAD OR RAIL REG'D OFFICE AND WORKS: KIRKSTALL ROAD, LEEDS, 4. LONDON OFFICE: DEVONSHIRE HOUSE, STRATTON STREET, W.1.…

05-page157 Request for drawings of larger front suspension shock damper bellows units for Wraith and Phantom III cars.
View original record 646 also J 346 To By/Ald. from Rm/Les. c. By. Rm/Les.4/MH.1.1.38. Will you please let us have drawings for front suspension shock damper bellows units for Wraith and Ph.III having a larger diameter…

05-page158 Fitting of an Oldsmobile front roll rod and removal of the rear roll rod on a 24.G.VI Wraith Car.
View original record 646. To HPS. Rm/Wym.8/JH.3.1.38. 24.G.VI Wraith Car. Will you please note on your specifications that the Oldsmobile front roll rod has been fitted to the above car, and the rear roll rod removed…

05-page159 The vulcanising failure of a bottom rubber buffer on a Wraith III front suspension.
View original record What are we doing about this Rm 646 To Rm. from HPS/RH. c. to DY. c. to Rm/Les. c. to HFS. HPS/RH.3/VS.4.1.38. War Rm File G.M. 1669 ed G.W 1541 WRAITH III CHASSIS 26.G.VI. GW.1596. Bottom Rubber…

05-page160 Letter from Jonas Woodhead & Sons, Ltd. regarding the dispatch of three pairs of 25/30 HP rear springs.
View original record JONAS WOODHEAD & SONS, LTD., MANUFACTURERS OF LAMINATED SPRINGS FOR ROLLING STOCK ROAD OR RAIL TRADE MARK REGISTERED. REG'D OFFICE AND WORKS: KIRKSTALL ROAD, LEEDS, 4. LONDON OFFICE: DEVONSHIRE HOUSE,…

05-page161 Comparison of cost and manufacturing processes for Wraith and Bentley road springs from suppliers Firths and Woodheads.
View original record 646 C. Rm. Les. ROAD SPRINGS. Does the cost of the Wraith & Bentley road spring compare reasonably on a cost of material & no of leaf basis. i.e. Wraith springs seem expensive. I think there is…

05-page162 Discussion and recommendation regarding the pricing of ground and plated springs for Wraith and Bentley models.
View original record - 2 - BY.5/G.10.1.38. For the Bentley, the price in question is .- £1. 14. 10d. plus 2/7d. for grinding and plating the secondaries making a total of .- £1. 17. 5d. Considering the evidence before us,…

05-page163 Wraith Woodhead springs (FW.1477) not being polished as per the drawing and arranging for their collection and completion.
View original record 64.6 To Roy/Ms.from Rm/Les. c. G/JWH. Rm/Les.2/AP.10.1.38 We find that the Wraith Woodhead springs FW.1477 are not polished as called for on our drawing. Woodhead's lorry is going to call for four…

05-page164 Apology letter from a supplier regarding unfinished springs and arranging their collection and completion.
View original record 646 JONAS WOODHEAD & SONS LTD., ALLAN G. KYLE, (Chairman & Managing). KENNETH A. E. MOORE, F.C.A. THOMAS H. SANDERS, M.I.MECH.E. JONAS WOODHEAD. KIRKSTALL ROAD, LEEDS, 4. TELEGRAMS: FORGE, LEEDS.…

05-page165 Internal request for a covering order to Firths for one pair of Wraith springs.
View original record To Roy/Ms. from Rm/Les. r 646. Rm/Les.9/MH.15.1.38. Will you please send a covering order to Firths for one pair of Wraith springs 1050 lbs. having 9 inches initial deflection. Letter Ref.…

05-page166 Letter requesting the production of one pair of 25 HP springs.
View original record 646. 8 Rm/Les.S/MH. Messrs. T.Firth & John Brown Ltd., 15th. January 1938. Atlas and Norfolk Works, Sheffield. 1. For the attention of Mr. Porter. Dear Sirs, Will you please produce one pair of 25…

05-page167 Notification regarding the removal of an Oldsmobile front roll rod from a 24.G.VI Wraith car.
View original record To HPS. from Rm/Wym. 8 1306 646 Rm/Wym.7/MH.18.1.38. 24.G.VI WRAITH CAR. Will you please note on your specification that the Oldsmobile front roll rod has been removed from the above car, and the rear…

05-page168 Letter from Thos Firth & John Brown Ltd confirming an order for a pair of ground and plated springs.
View original record THOS FIRTH & JOHN BROWN LTD INCORPORATING THE WHOLE OF THE UNDERTAKING OF THOS. FIRTH & SONS, LTD AND THE STEEL BUSINESS PREVIOUSLY CARRIED ON BY JOHN BROWN & CO. LTD. ATLAS & NORFOLK WORKS SHEFFIELD.…

05-page169 Modification to the Wraith III front suspension, specifically for the shock damper's oil filler.
View original record 646 c. Rm. DA.1/G.24.1.38. WRAITH III. FRONT SUSPENSION. Please receive herewith the following scheme :- F.CD.408 Modified Oil Filler for Shock Damper Main Housing. The above drawing shews the front…

05-page170 Request for drawings of initial deflection springs to reproduce the Packard spring deflection on a Wraith.
View original record To By/Ald. from Rm/Les. c. By. 646 Rm/Les.2/MH.27.1.38. Will you please let us have drawings for the attached 8.5" initial deflection springs. We are requiring one pair of 8.5" springs so that we can…

05-page171 Blueprints for a new Bellows for the Shock Damper on the Wraith III, which replaces part GW.736.
View original record H.P.S. C. Fur. G. RM / Les. BY/Ald.4/G.2.2.38. 646 WRAITH III. FRONT SPRING SUSPENSION MECHANISM. SECTION 7042. Please receive herewith two blueprints of the following :- EX.S.453 Bellows for Shock…

05-page172 New scheme for the Wraith III front suspension, specifically the anti-roll rod bracket.
View original record c. Rm. 646 DA.23/G.9.2.38. WRAITH III. FRONT SUSPENSION. scheme :- Please receive herewith the following F.CD.458 Anti-Roll Rod Bracket with Modified Bump Buffer Carrier Plate. The above scheme shews…

05-page173 Scheme for modifying the Wraith III front suspension top triangle lever buffer mounting and buffer.
View original record BY/NS. c. Rm. 646 DA.22/G.9.2.38. WRAITH III. FRONT SUSPENSION. Please receive herewith the following scheme :- F.CD.450 Mod. to Top Triangle lever buffer mounting and buffer. The above scheme has…

05-page174 Letter to Firestone Tyre & Rubber Co. Ltd. regarding an incorrect sample buffer and arranging a factory visit.
View original record T5/5 1505 646 February 22nd.1938 Rm/Les.10/AP. The Firestone Tyre & Rubber Co.Ltd., 11 Queens road, COVENTRY For the attention of Mr.Green. Dear Sirs, Thank you for your various correspondence. I note…

05-page175 Design schemes for the Wraith III front suspension, buffers, and anti-roll bars.
View original record RY/DG c. Rm. ------ 646 DA.15/G.22.2.38. WRAITH 111. FRONT SUSPENSION. Please receive herewith the following scheme F.CD.488. The above scheme shews a lever and bump buffer combined, and as an…

05-page176 Request to issue a covering order to E.H.Pickford & Co.Ltd. for 8 Humber front suspension buffers ordered by telephone.
View original record Roy/Ms. from Rm/Les. c.c. G/JWH. 646 Rm/Les.10/AP.23.2.38 Will you please issue a covering order to - E.H.Pickford & Co.Ltd., 39 Duffield Road, for 8 Humber front suspension buffers. These have been…

05-page177 Message postponing a visit to Maylin at Firestone, Brentford.
View original record 646? hep 28.2.38. XXXXXXXX MAYLIN. FIRESTONE. BRENTFORD. AM POSTPHONING VISIT UNTIL TO-MORROW. Leslie, Roycar.

05-page178 The decision to use and test Firestone type buffers for the front suspension on the Wraith Bumper Chassis.
View original record To HPS. 646 or 102H Rm/Les.10/JH.28.2.38. WRAITH BUMPER CHASSIS. It has been decided to use the Firestone type buffers for the front suspension on the production cars. As these have only just been…

05-page179 Covering order for 12 Humber type front suspension buffers.
View original record To Roy/Ms. from Rm/Les. c. G/JWH. 646 Rm/Les.5/AP.2.3.38 Will you please send a covering order to The Firestone Tyre & Rubber Co.Ltd., Brentford, Middlesex, for 12 Humber type front suspension…

05-page180 Letter from Firestone regarding samples of engine mountings and a price enquiry for a bumper.
View original record Firestone Tyre & Rubber Company Ltd. DIRECTORS: WILLIAM E. DUCK (Chairman & Managing Director). THE RIGHT HON. LORD BURGHLEY. HARVEY S. FIRESTONE, (U.S.A.) THOS. G. MELLORS, F.C.A. SIR PERCIVAL L. D.…

05-page181 Sourcing and comparative cost of steel castings for the Wraith model from two different suppliers.
View original record [Handwritten top left] LGS I have agreed with this JTM [Stamped top center] ROY. RHG. HPS. c. Rm. [Handwritten top right] GSAG WRAITH - STEEL CASTINGS. I see no reason why the castings detailed below…

05-page182 Splitting an order for Wraith steel castings between suppliers to ensure quality and delivery.
View original record LES BY.7/G.9.3.38. WRAITH - STEEL CASTINGS. As a result of a discussion with RHC. on the above matter, based on my memo BY.5/G.8.3.38. in order to make certain that we do not get down on deliveries or…

05-page183 Letter to Firestone Tyre & Rubber Co. Ltd. regarding flat plate engine mountings and the testing of a Humber buffer.
View original record 646 Rm/Les.8/AP. March 9th.1938 Firestone Tyre & Rubber Co.Ltd., Brentford, MIDDLESEX. For the attention of Mr. Maylin. Dear Sirs, Thank you for your letter of the 7th. We are looking forward to…

05-page184 Letter from Firestone Tyre & Rubber Company Ltd. quoting a price for rebound bumpers.
View original record 646 Firestone Tyre & Rubber Company Ltd. DIRECTORS: WILLIAM E. DUCK (Chairman & Managing Director) THE RIGHT HON. LORD BURGHLEY. HARVEY S. FIRESTONE, JNR., (U.S.A.) THOS. G. MELLORS, F.C.A. SIR…

05-page185 Letter from The Daimler Co. Ltd. providing a price schedule for steel castings and suggesting a follow-up meeting.
View original record THE DAIMLER CO. LTD. COVENTRY. TELEPHONE: 4161 (NINE LINES) TELEGRAMS: DAIMLER.PHONE. COVENTRY. PLEASE REPLY TO FOUNDRY DEPARTMENT. OUR REF AH/HMT. YOUR REF Rm/Les.9/AP. FOR PROMPT ATTENTION KINDLY…

05-page186 Production of a square-ended versus serrated-ended rear stabiliser roll rod for the Wraith III.
View original record RHC c. Rm. 646 BY.8/G.15.3.38. Wets WRAITH 111. REAR STABILISER - ROLL ROD. In connection with the comparison of the roll rod with serrated ends, and the one with square ends, we would point out that…

05-page187 Letter to the English Steel Corporation requesting testing figures for front suspension coil springs.
View original record 646? Rm/Les.5/JH. 18th March, 1938. The English Steel Corporation, Vickers Works, SHEFFIELD. For the attention of Mr. Webster. Dear Sirs, We are wanting to check over carefully our formula for front…

05-page188 Letter to Firestone Tyre & Rubber Co.Ltd. requesting further samples of engine mountings and buffers for testing.
View original record 646 RM/Les.6/JH. 13th March. 1938. Firestone Tyre & Rubber Co.Ltd., Great West Road, Brentford, MIDDLESEX. For the attention of Mr. Maylin. Dear Sirs, Thank you for the 6 sample type of flat plate,…

05-page189 Request for a covering order to Firestone Tyre & Rubber Co. Ltd. for engine mountings and buffers.
View original record 646. To Roy/Ms. from Rm/Les. c.c. G/JWH. Rm/Les.12/MH.18.3.38. Will you please send a covering order to Firestone Tyre & Rubber Co. Ltd., Brentford, Middlesex for - (a) 11 assorted plate type engine…

05-page190 Letter from English Steel Corporation regarding the production and load testing of springs.
View original record ENGLISH STEEL CORPORATION LTD. INCORPORATING THE STEEL & ALLIED BUSINESSES FORMERLY CARRIED ON BY VICKERS-ARMSTRONGS LIMITED AT SHEFFIELD & OPENSHAW. CAMMELL LAIRD & CO. LIMITED AT SHEFFIELD &…

05-page191 Letter to Daimler Co. Ltd. requesting a quotation for supplying cast steel housings.
View original record 646. Hm/Les.1/JH. 22nd. March, 1938. Daimler Co.Ltd., COVENTRY. For the attention of Mr. Hardy. Dear Sirs, We attach print of GW.1746/7 which is the cast steel housing which we discussed with you on…

05-page192 Quotation from The Daimler Co. Ltd. for 200 Main Lever Housing Castings in Steel.
View original record THE DAIMLER CO. LTD. TELEPHONE: 4164. TELEGRAMS: DAIMLER PHONE, COVENTRY. Handwritten: 646 PLEASE REPLY TO DAIMLER FOUNDRY. OUR REF: AH/HMT. YOUR REF: Rm/Les.17/JH. QUOTATION. Handwritten: LES 24th…

05-page193 Letter to Daimler Foundry concerning a quotation and specifications for a minimum section thickness.
View original record 1067 646 Rm/Les.6/MH. 25th. March 1938. Daimler Foundry, Daimler Works, COVENTRY. For the attention of Mr.Harley. Dear Sirs, Thank you for your quotation of 24th. inst. Although this figure is…

05-page194 Letter from Daimler providing a quotation for pattern equipment and discussing the minimum thickness for Main Lever Housing steel castings.
View original record THE DAIMLER CO. LTD. COVENTRY. TELEPHONE: 4161 (NINE LINES) TELEGRAMS: DAIMLER-PHONE, COVENTRY. [STAMP: FOR PROMPT ATTENTION KINDLY ADDRESS YOUR REPLY TO FOUNDRY DEPARTMENT] Messrs. Rolls-Royce Ltd.,…

05-page195 Confirmation memo correcting the part numbers for rear springs on car model 28.G.VI.
View original record To HPS. c.c. to Wym. 646. Rm/Les.3/JH.30.3.38. 28.G.VI rear Springs. This is to confirm that the rear springs required for the above car are Nos. 32 and 33 instead of Nos. 34 and 35 as quoted in our…

05-page196 Design change for the front anchorage of the rear springs on the Wraith model.
View original record To By. from Rm/Les. c. Da. 646 Rm/Les.3/AP.8.4.38 FRONT ANCHORAGE OF REAR SPRINGS - WRAITH. As we find there is no benefit in reducing noise in the body due to fitting Silent-bloc bushes to the front…

05-page197 Request to send a covering order to Superflexit Ltd. for flexible tubes.
View original record To Roy/MS. c. to G/JWH. 646. Rm/Les.8/JH.13.4.38. Will you please send a covering order to Superflexit Ltd., for 8 12" flexible tubes. 2 tubes have been received and a further 6 have been ordered in…

05-page198 Failure analysis report on a welded high carbon cast steel Wraith spring pot bracket from a bump rig test.
View original record 646. To H1. from Rm/AFM. Rm/AFM.8/AP.13.4.38 FAILURE - WRAITH SPRING POT BRACKET. Herewith a section cut from the above piece which failed on the Bump Rig. This piece is made of a high carbon cast…

05-page199 Scheme for a strengthened main lever housing on the Wraith III front suspension due to a casting failure.
View original record BY/NS. c. Rm. --- 646 DA.10/G.14.4.38. WRAITH III. FRONT SUSPENSION. A.F.M Please receive herewith the following scheme F.CD.625 Strengthened Main Lever Housing. The above scheme shows the tail piece…

05-page200 Decision to change the Wraith III front suspension main lever housing from a steel casting to a reinforced steel forging after component failure.
View original record MARTINDALE 646 DY/KG. C. Rm. DA.16/S.21.4.38. WRAITH III - FRONT SUSPENSION. The main lever housing having broken on the bumping rig when produced as a steel casting, it has been decided to return to…

05-page201 Letter from Superflexit Ltd concerning the specification, pricing, and performance of Type 'MX' flexible tubing.
View original record SUPERFLEXIT LTD DIRECTORS R.S' G.BURKE. W.H. GRINT. A.C.KERR O.B.E. H.T.MAYO, D.L., M.P.T. W.R.PRODGON W.R.TROUNSON. SIR NORMAN J.WATSON BART. MANUFACTURERS OF FLEXIBLE TUBING CONTRACTORS TO THE…

05-page202 Test procedure for a failing flexible pipe on the Wraith Governor Unit.
View original record To HPS/W.Bell from Rm/AFM. 8 646. Rm/AFM.2/MH.3.5.38. WRAITH GOVERNOR UNIT. The flexible pipe shown on FCD.637 from the governor unit to the chassis frame is instructed for production because the…

05-page203 Condition report on a broken lower pivot bearing and a front crossmember assembly.
View original record - 2 - HPS/LK.1/VS.4.5.38. On the lower pivot bearing the flange has broken away from the outer race GW.1961 (see photograph attached); the outer race was manufactured by Messrs. Hoffmann. The front…

05-page204 Condition report on the Wraith III Bumper Chassis front suspension unit after 49.5 hours of running.
View original record 646 also 1024 from HPS/LK. c. RM/AFM. HPS/LK.1/VS.4.5.38. WRAITH III BUMPER CHASSIS - FRONT SUSPENSION. Report on condition of front suspension unit fitted with cast steel main lever housings, after…

05-page205 Photograph showing a Lower Pivot Bearing's outer race after a test run.
View original record LOWER PIVOT BEARING - OUTER RACE. After running 49½ hours on Bumper Chassis. [Text on bearing] MADE IN ENGLAND

05-page206 Photograph showing a fractured main lever housing after a test run.
View original record FRACTURED MAIN LEVER HOUSING. After 49½ hours' running on Bumper Chassis.

05-page207 Scheme for a threaded pin anchorage for the rear spring on the Wraith III model.
View original record A F M. 646 c. Rm. DA.9/G.10.5.38. WRAITH 111 - REAR SPRINGS AND FRAME. Please receive herewith the following scheme :- F.CD.645 Front Anchorage Rear Spring. In accordance with Rm/Les.3/AP.8.4.38. we…

05-page208 Estimate for a modification to the Wraith III front suspension main lever housing to simplify machining.
View original record JOHN-THOMPSON MOTOR-PRESSINGS LTD. TELEGRAMS: 'MOTOFRAME' WOLVERHAMPTON TELEPHONES: BILSTON 41293-4-5-6-7 TEMPLE BAR 3216 LONDON. GOVERNING DIRECTORS: A.E. THOMPSON W.J. THOMPSON J. THOMPSON…

05-page209 Requesting the fitting of the latest production type suspension buffers to Wraith car 28.G.VI.
View original record 646. To HPS. Rm/Wym.16/JH.16.5.38. WRAITH CAR 28.G.VI. We have just received 28.G.VI. from the fitting shop after a complete recondition, and we note that the front suspension buffers are of the old…

05-page210 Instruction memo to fit 8.5' initial deflection front coil springs to a 25 G.VI model car.
View original record HPS. from Rm/AFM. 646. Rm/AFM2/R.16.5.38. 25 G.VI - FRONT SPRINGS. Will you please fit 8 1/2" initial deflection front coil springs to this car while it is in the Shop. We have already handed these…

05-page211 Chassis, passenger, and unsprung weights for the purpose of calculating the correct poundage for Wraith springs.
View original record 646 To By. from Rm/AFM. c. By/HEB. Rm/AFM.7/MH.16.5.38. WRAITH SPRINGS. We are sending with this memo a graph which gives the correct poundage of spring to be fitted on a chassis with a body of given…

05-page212 Graph showing spring poundage for various body weights for the Wraith model.
View original record WRAITH SPRING POUNDAGE FOR VARIOUS BODY WEIGHTS SPRING POUNDAGE REAR OFFSIDE FRONT NEAR SIDE FRONT WEIGHT OF BODY IN CWT. 1300 1200 1100 1000 900 11 12 13 14

05-page213 The use of longer rear springs on the Wraith replacement chassis for improved performance and cost-effectiveness.
View original record 646 c. Rm. DA.15/G.19.5.38. REAR SPRINGS. I see the Wraith replacement chassis is going forward with 50" rear springs. I suggest that it is wrong to perpetuate this length of spring, and it would be…

05-page214 Notice about modifications to the machining of the Main Lever Housing for the Wraith III front suspension.
View original record c. Rm. 646 DA.9/G.24.5.38. WRAITH 111 - FRONT SUSPENSION. Please receive herewith the following scheme :- F.CD.679 Further Mods. to Main Lever Housing Machining. At the request of the Tool Office, we…

05-page215 Instructing the removal and resetting of front damper valve chambers on car 25.O.VI, reducing the initial load from 40 lbs to 30 lbs.
View original record 646 γ To HPS. from Rm/Clapham. c. HPS/W.Bell. Rm/Clapham.10/MH.20.6.38. Will you please have the front damper valve chambers taken off 25.O.VI while the car is in the shop and handed to W.Bell for…

05-page216 Specifications for the Wraith model's suspension springs and dampers.
View original record 646 To By. c. to By/HEB. c. to Roy/Les. Rm/AFM.9/JH.20.6.38. WRAITH SUSPENSION DETAILS. SPRINGS. We find we can do with lighter springs on the rear of Wraith than those previously called so, so…

05-page217 Order for three sets of Wraith front springs from the English Steel Corp.
View original record 646 To HPS/WSC. from Rm/FWK. Rm/FWK.9/JH.4.7.38. WRAITH FRONT SPRINGS. Will you please order from the English Steel Corp. three sets of springs for the above chassis. Three pairs of GW.1981 and Three…

05-page218 New drawings and modifications for the Wraith front suspension.
View original record HPS. Rm. Rm/Clapham. BY/Ald.14/G.5.7.38. WRAITH. 646 FRONT SUSPENSION - SECTION 7042. Please receive herewith two blueprints of the following new drawings detailed in accordance with…

05-page219 Requesting clamps to be made for the bearing rubbers for the front roll rod of a Wraith.
View original record d 646 To HPS. from Rm/IMW. c. Rm/Wym. Rm/IMW.10/MH.8.7.38. FRONT ROLL ROD FOR WRAITH. FCD.306. Will you please make clamps for the bearing rubbers as shown in the above scheme. We already have the…

05-page220 Requesting modification of rear shock dampers and front valve chambers for vehicle 29.G.VI.
View original record 646 To HPC. c. to HPS/WB. Rm/Clm.11/JH.14.7.38. Will you please have the rear shock dampers and front valve chambers taken off 29.G.VI. and handed to W.Bell for modification. New bellows are to be…

05-page221 Requesting the manufacture of parts for a Wraith front roll rod suspension modification.
View original record γ 646 To HPS. from Rm/AFM. c. Rm/Wym. Rm/AFM.3/MH.12.8.38. WRAITH FRONT ROLL ROD. We want to fit up 29.G.VI with similar front suspension to 25.O.VI, i.e. 8" deflection springs GW.1981/2 (now on…

05-page222 Request to detail modifications for Wraith front suspension parts GW.1723 and GW.1721.
View original record To By/Ald. from Rm/Clapham. c. By. c. Da. Will you please detail the modifications shown on the attached sketch to part nos. GW.1723 and GW.1721 and instruct packing on Wraith front suspension suit…

05-page223 The design, modification, and material requirements for Wraith II roll rods.
View original record 646 also 1306 To Hy/Ald. from RM/APM. c.c. HJS. c.c. By/MAB. c.c. Da. c.c. De/JD. c.c. RM/WJM. RM/APM.7/WH.4.10.38. WRAITH II ROLL RODS. With the introduction of 8" deflection front springs a front…

05-page224 Requesting the fitting of 8' deflection front springs and a front roll bar to specified vehicles.
View original record G 40.646. To HPS. from Rm/Clm. Rm/Clm.3/JH.11.10.38. Will you please fit 8" deflection front springs on 24.G.VI. GW.1981-2 and also a front roll bar. The following packings will be required - O.S. 1…

05-page225 Note concerning the front suspension coil springs for the Wraith III and Phantom III models.
View original record 646 Rem - Da.1/G. 17.10.38 Wraith III and Ph. III. Front Suspension Coil Springs in file 1306.

05-page226 Requesting two blueprints for the Wraith model's rear shock damper and front stabiliser.
View original record HPS c. Rm. c. Rm/AFM. 646 BY/Ald.16/G.18.10.38. WRAITH. REAR SHOCK DAMPER. SECTION 7150. FRONT STABILISER. SECTION 7166. Please receive herewith two blueprints of each of the following :- SECTION…

05-page227 Particulars for a new outer spring for the Wraith III front suspension.
View original record 646. BT/HS. c. Rm. DA.12/G.3.11.38. A.F.M. OUTER SPRING - FRONT SUSPENSION. WRAITH 111. Herewith are particulars of the new outer spring of smaller diameter and slightly higher stress, agreed between…

05-page228 Specifications for an outer spring for a Wraith III with reduced outside diameter as sent in by E.S.C.
View original record Outer Spring for Wraith III as sent in by E.S.C. With reduced outside diameter. -------------------------------------------- Wire diameter. | 0.662" Mean diameter of coils. | 3.893" No. of effective…

05-page229 The ordering of suitable road springs for the Wraith chassis based on body weights.
View original record 646 To Hn/AFM. c.c. to Roy/Ms. [struck through] ROY/Les.15/B.4.11.38. WRAITH ROAD SPRINGS We attach a copy of a note received from Hn. (Hn25/AH.2.11.38) concerning the body weights of Wraith Chassis.…

05-page230 The weights of various Wraith car bodies to assess their impact on road springs.
View original record S/W. COPY Hn25/AH.2.11.38. Wraith Road Springs: ------------------ With further reference to ROY/Les.10/B.10.10.38., we have now weighed a fairly representative batch of completed Wraith cars so that…

05-page231 Comparison of two Wraith models, 26.G.VI and 27.G.VI, regarding body weight, springs, and ride quality.
View original record 646 also 660x W/S - Cx. c. to By. Rm/AFM.3/JH.5.11.38. WRAITH 26.G.VI. and 27.G.VI. In reply to your Cx.15/KW.1.11.38. 27.G.VI. has a light body of 10 cwts. 1 qr. 7 lbs. and has been fitted with 1,000…

05-page232 Scheme for a modified front anchorage bracket for the Wraith III rear springs to address forging difficulties.
View original record By/NS. c. Rm. or RHO or DA/JB. ----------------- 646. DA.9/G.5.11.38. WRAITH III. REAR SPRINGS. A.F.M. Please receive herewith the following scheme :- F.CD.978 Modified Front Anchorage Bracket. The…

05-page233 Scheme for a modified front anti-roll rod bracket for the Wraith III model.
View original record BI/MS. c. Rm. c. Pe/Sp. 646. DA.22/G.10.11.38. A.F.M WRAITH III. FRONT SUSPENSION AND ANTI-ROLL ROD. Please receive herewith the following scheme :- F.CD.1012 Modified Front Anti-Roll Rod Bracket. The…

05-page234 Instruction to manufacture one pair of mild steel levers for a Wraith Roll Rod, with specific details on drilling.
View original record 646 Y To HPS. from Rm/AFM. c. MX. Rm/AFM.9/MH.15.11.38. WRAITH ROLL ROD - 27.G.VI. Will you please make one pair of levers FW.1947 in Mild Steel as soon as possible. The two holes in the plate for…

05-page235 Difficulties and changing requirements for rear axle springs.
View original record To RHC. c. to HY. c. to Rm/AFM. c. to Roy/Les. c. to D/BP. c. to Roy. Handwritten: 646 Handwritten: File ROY/HW.7/B.8.12.38. W.III REAR AXLE SPRINGS Owing to the considerable difficulty which we are…

05-page236 Difficulties with spring supplies for 'B' Series production and proposed solutions.
View original record -2- ROY/HW.7/B.8.12.38. 'B' Series, while there is a corresponding shortage of 1250 lbs. springs. As we are now approaching the end of 'B' Series, it makes it extremely difficult to provide the…

05-page237 The investigation and testing of Wraith ride characteristics and damper settings.
View original record 646 To By. c. to Da. c. to Mx. c. to Da/Ev. Rm/Clm.4/JH.11.1.39. Wraith Ride. After a thorough investigation into the ride of 'C' series Wraith, we have come to the conclusion that the settings for…

05-page238 Requesting the fitting of new front springs and modifications to the front dampers for car 24.G.VI.
View original record 646 To HPS. from Rm/Clm. c. to HPS/WB. Rm/Clm.4/JH.25.1.39. 24.G.VI. Will you please fit the latest 8 1/2" deflection front springs FW.1951/2 on this car, also the balanced valve dampers which will be…

05-page239 Proposed lightened and simplified methods for the Wraith III rear end suspension.
View original record Handwritten: H/HH, P.L, S.Lee, 646? Stamped: Ex/Ex, c. Rm., c. De/Des Da.14/G.1.3.39. WRAITH 111 - REAR END SUSPENSION. Please receive herewith G.CD.1210 and G.CD.1216 shewing the proposed lightened…

05-page240 Cover page regarding the Packard Type Suspension.
View original record 646. Rm Da/EV I/N. 27.3.39. The Packard Type Suspension file 1305

05-page241 File cover or note concerning Packard Suspension.
View original record 6H6. Da/KV. Rm.6/R 31.3.39 Rm/FWK.9/JH 29.3.39 + Rm/FWK.4/R. 3.4.39. Packard Suspension file 1305 & 1086.

05-page242 Weight of the Bentley V front suspension, with a component breakdown and comparison to the Wraith III.
View original record To Rm. from Rm/FWK. Rm/FWK.9/JH.29.3.39. Bentley V Suspension (Front). Herewith the weight of the B.V. and W.III. front suspensions, including pans, as requested. Bentley V. 162 lb. 11 ozs. Wraith…

05-page243 Technical note on the Wraith's ride quality and standard damper settings.
View original record Handwritten notes: APM See me, Rm., File To: H. Levallois Bd. Mr. Hives c. S/C - C c. RM c. LA c. RH/GWH (H) c. RM/HV c. MS. at/D.2/10.4.39 WRAITH RIDE Although the general opinion is that the Wraith…

05-page244 Specifications and recommendations for shock damper settings and buffer to axle clearances.
View original record 2. ST/B.2/MG.4.4.39 (cont'd) to communicate with the .062" hole at right angles. The adjusting washers between the valve and the seating have .005" clearance. The best method of increasing the damping…

05-page245 Modifications to the Wraith model's ride and suspension to address pitching and harshness issues.
View original record 646 To By/SB. from Rm/AFM. c. Hd. c. LA. c. Rm/OwH. c. De/IV. c. MX. REF: Rm/AFM.8/MH.6.4.39. WRAITH RIDE. With reference to By/SB.2/AG.4.4.39, we agree that if you can satisfy a customer by the…

05-page246 Experimental results for determining the moment of inertia and centre of gravity of the 28.G model.
View original record 646 + 600, Rm/HFP.2/MH.10.7.39. MOMENT OF INERTIA OF 28.G. Experiments were carried out to determine the Moment of Inertia of 28.G. and the height of the centre of gravity above the line of the…

05-page247 Calculation sheet for vehicle moment of inertia, weight distribution, and unsprung mass.
View original record Rm/HFP.2/MH.10.7.39. AXIS ABOUT WHICH MOMENT OF INERTIA WAS MEASURED FRONT REAR CG A 9.9" 4.5" 9" 14" 67 1/2" 66 3/4" 2182 LBS 4436 LBS 2254 LBS Moment of Inertia about A - 108,900 lb.ft2 Moment of…

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