Rolls-Royce Archives
| Identifier | Entry | ||
| 08-page01 | Drawing for the Wraith II rear shock dampers and anti-roll rod, detailing a cost-saving modification. | ||
| View original record | BY. c. RHC. Hs/Rm. [Handwritten:] G.F.P^2 D [signature] wop [signature] E/JNR.1/HP.25.5.36 re Wraith II. Please receive herewith:- LeC.5133 showing the rear shock dampers and anti-roll rod. It will be… | ||
| 08-page02 | Design scheme for the Wraith II front shock damper. | ||
| View original record | X1044 642 E/Ev.3/MN.14.7.36. To Br. Copy to Da. Hs/Rm. RHC. Hs/Des. Rm LES WRAITH II. Front Shock Damper. ---------------- On N.Sch.4855 herewith we show a scheme for the standard front shock damper… | ||
| 08-page03 | Modifications to adapt the Phantom III damper control unit for the Wraith II. | ||
| View original record | BY. C.B.Dec.1940. Hs/Rm. E/HDY.1/HP.1.9.36. Wraith II Shock Dampers. We send herewith N.Sch.4714 showing the modifications required to the Phantom III damper control unit for the Wraith. The… | ||
| 08-page04 | Proposal for modifying the rear shock damper and roll bar connections for the Wraith II model, moving from knurled stems to broached holes and rolled serrations. | ||
| View original record | 1044 LES 64~ BY. c. Rm. RMC. Da.1/HP.12.11.36. Rear Shock Damper and Roll Bar Connections. Wraith II. The proposed method of fixing ball ends into levers, etc. by forcing the knurled stem of the ball… | ||
| 08-page05 | Query regarding the necessity of a pump suction filter on the Wraith III Governor Control Unit for dampers. | ||
| View original record | 642 Rm. C.E. Da. By. Mx. Ws. E/HDY.2/HP.19.3.37. Wraith III Governor Control Unit for Dampers. The Operation Planning Department have made suggestions to us for reducing the cost of the pump suction… | ||
| 08-page06 | Comparison of two proposed front suspension designs for the Wraith III, focusing on the coil springs and shock dampers. | ||
| View original record | SECRET. 642 Sg. Hs. c. Rm/Gry. Da.4/HP.22.3.37. Wraith III - Front Suspension. Now that we have had the opportunity of examining more or less in detail both the types of front suspension proposed for… | ||
| 08-page07 | Comparison of R.R. and R.R. Buick suspension systems, focusing on bearings, loads, and structural components. | ||
| View original record | (sheet 2) There are no reversing loads on any bearings. In the R.R. Buick system, on the other hand, all the above additional features are present, with the added difficulty of finding a suitable… | ||
| 08-page08 | Comparison of suspension systems, including the R.R. type, for Bentley and Wraith models. | ||
| View original record | ...get them accurate than the forgings and castings. It is not suggested that the present structure of the R.R. system is ideal, but it is capable of development without fundamental alteration. (5)… | ||
| 08-page09 | Request to build a modified Wraith front shock damper unit for a test rig. | ||
| View original record | 642 To HPS. Rm/Les.9/JH.25.3.37. Wraith Front Shock Dampers. Will you please build up one Wraith front shock damper suspension unit for W.Bell's test rig. This will require special links from the main… | ||
| 08-page10 | The suction filter for the shock damper governor unit on the Wraith III and Phantom III models. | ||
| View original record | 642 HY. O.S. Da.Rm/HPS. E/HDY.2/HP.24.3.37. Shock Damper Governor Unit. With reference to Rm/LES.15/HP.22.3.37, it will be seen that the recommendation of the Experimental Department is that provision… | ||
| 08-page11 | Scheme for a lubricated ball jointed connecting link for the Wraith III rear shock absorber and roll rod, replacing the failed Monroe type. | ||
| View original record | SECRET. 642. E/Ev.1/MN.12.4.37. To BY. Copy to Dm. Rm. RHC. HPS. RM/Les. Wraith III Rear Shock Absorber and Roll Rod Connecting Link. Owing to the failure up-to-date of the Monroe type rubber ended… | ||
| 08-page12 | Noise issues in Wraith shock dampers and comparing complaint statistics with the Phantom III model. | ||
| View original record | 642 Hs. from Rm/Les. Rm/Les3/R.22.4.37. WRAITH SHOCK DAMPER KNOCKS. There is very little reason why Wraith dampers should be less noisy than P.III dampers. The load of the P.III front dampers has been… | ||
| 08-page13 | Modifications to the Wraith's front and rear suspension and damper control piping. | ||
| View original record | To E. c. to Da. c. to By. 642 also 646 Rm/Les.I/JH.6.5.31. WRAITH. Front Suspension Rebound Buffers. We find that the shock damper piston hits the end of the cylinder on full rebound. This causes a… | ||
| 08-page14 | Request to fit Phantom weights to the shock damper governor of car 25-G-VI. | ||
| View original record | To HPS. Rm/Les.6/JH.10.5.37. r 642 25-G-VI. Will you please fit the Phantom weights to the shock damper governor of the above car. Rm/Les. | ||
| 08-page15 | The failure and modification of a Wraith III shock damper lever. | ||
| View original record | SECRET. LBS How many hours had this run at what load Copy to He. Ha. Rm. H.C. Rm/LES. 642 Rm E/EV.4/N.26.5.37. WRAITH III. SHOCK DAMPER LEVER. With reference to Rm/Les.8/JH.4.5.37, and the failure on… | ||
| 08-page16 | Confirming required reports and tests for the Wraith shock damper and roll rod connections. | ||
| View original record | Rm/Les. from E. C. EV. 642 SECRET. E.2/HP.31.5.37. re Wraith Shock Damper and Roll Rod Connections. This is to confirm that you will send through a report on the Wraith chassis in respect to roll rod… | ||
| 08-page17 | Design of Wraith shock damper and roll rod connecting links. | ||
| View original record | To E. c. to E/Ev. 642 Rm/Les.7/JH.8.6.37. Wraith Shock Damper and roll rod connecting links. Re E.2/HP.31.5.37. For immediate designs of rubber connecting links it is unnecessary to consider the front… | ||
| 08-page18 | Modifying the rear roll rod and shock absorber connecting link for the Wraith III. | ||
| View original record | SECRET. By ---- Copy to Der. Rm. RHO HP. Ne/Devr 642 E/Ev.2/M.15.6.37. WRAITH III. REAR ROLL ROD AND SHOCK ABSORBER CONNECTING LINK - LeC.5607. -------------------------------- The Experimental Dept.… | ||
| 08-page19 | Request to fit Phantom III governor weights to a shock damper governor unit. | ||
| View original record | HPS. from Rm/Les. 642 Rm/Les.15/AP.16.6.37 24.G.Vl. SHOCK DAMPER GOVERNOR UNIT. Will you please fit the Ph.III. governor weights F.84562 to the above governor unit. Rm/Les. | ||
| 08-page20 | Fitting larger governor weights to the Wraith shock damper unit due to a different gear ratio. | ||
| View original record | To By. from Rm/Les. c. to E. 642 Rm/Les.5/AP.3.7.37. WRAITH SHOCK DAMPER GOVERNOR UNIT As the servo to prop. shaft gear ratio is 10.5 to 1 on Wraith against 8 to 1 on the 25.HP, it will be necessary… | ||
| 08-page21 | Parts and blueprint list for a Wraith rear shock damper connecting link. | ||
| View original record | HPS. Rm. Rm/Les. 642 BY/NS.S/G.26.8.37. WRAITH. REAR SHOCK DAMPER CONNECTING LINK. We send you herewith two blueprints of S.CD.25 Delco Rubber Connecting Link fitted to Armstrong Shock Dampers. (2… | ||
| 08-page22 | The results of a 10,000-mile test on 26 'G' VI front dampers. | ||
| View original record | 642 To HPS/RH. from HPS/W. Bell. c. to Rm/IBS. HPS/WB.1/CB.1.9.37. Re: 26 "G" VI FRONT DAMPERS. After 10,000 miles test, the loads were checked and found O.K. - i.e. 45 lbs. - and the general… | ||
| 08-page23 | Requesting the fitting of larger bellows to the front shock dampers to increase damping. | ||
| View original record | 642. To HPS. from Rm/Les. c. Wym. Rm/Les.6/ME.1.10.37. 25-G-VI FRONT SHOCK DAMPERS. In order to give increased front damping in the hard position, will you please fit larger bellows in the damper… | ||
| 08-page24 | Ordering six sets of parts for the Wraith III Chassis rear shock damper and roll rod. | ||
| View original record | RHC/CAN. C. RC/GMS. G. RPS. C. Rm/Grys. 642 BY/HEB6/WB. 16.10.37. WRAITH III CHASSIS - 6 SETS. REAR SHOCK DAMPER & ROLL ROD. - SEC:7150. In accordance with memo BY6/N. 7.10.37. will you please order… | ||
| 08-page25 | Request to fit a pair of rear shock dampers with the same specification as Oldsmobile dampers to a car. | ||
| View original record | To HBS. c. to Wym. 642 Rm/Les.22/JH.21.10.37. 24.G.VI. Will you please fit a pair of rear shock dampers which are set to the same specification as the Oldsmobile rear dampers to the above car. The… | ||
| 08-page26 | Requesting an order for 6 sets of parts for the pressure piping for damper control on a Wraith III chassis. | ||
| View original record | RHC/CAN C. Row/Ms. C. WHO. C. HPS. C. Rm/Grys. 642 BY/HEB3/VB. 4.11.37. WRAITH III CHASSIS - 6 SETS. PRESSURE PIPING FOR DAMPER CONTROL - SEC: 7165. In accordance with memo' ByC/N. 7.10.37, will you… | ||
| 08-page27 | Request to send rear shock dampers to W. Bell for an alteration to the settings. | ||
| View original record | HPS. from Rm/Les. c. Wym. 642 Rm/Les.4/AP.5.11.37. 24.G.V1. Will you please send the rear shock dampers to W.Bell for an alteration to the settings. Rm/Les. | ||
| 08-page28 | Shock damper replenishment issues and proposing a new piston design. | ||
| View original record | To By/Ald. c. to By. 1292 Rm/Les.1/JH.21.12.37. R.R. SHOCK DAMPERS. We find that both on the Packard and the Oldsmobile that the rear dampers are set with a large leak characteristic on the bump… | ||
| 08-page29 | Scheme for a replenishing valve for the Wraith III chassis shock damper. | ||
| View original record | HPS. c. Rm. c. Rm/Les. 642 BY/Ald.16/G.6.1.38. WRAITH 111. CHASSIS. REPLENISHING VALVE FOR RR. SHOCK DAMPER - SECTION 7150. As requested by memo Rm/Les.1/JH.21.12.37. we have prepared a scheme to… | ||
| 08-page30 | Recommendation to use a flexible hose for the shock absorber control governor pipe on the Wraith model. | ||
| View original record | 1642 By. from Rm. c. Da. Rm13/R.27.1.38. We have had trouble with the pipe which connects the shock absorber control governor with the frame, on the Wraith, due to the increased movement which we have… | ||
| 08-page31 | Pressure test results for the Wraith III Damper Control Unit. | ||
| View original record | Rm/Les. HPS/PH [crossed out] BY/NS.11/G.3.2.38. 642 WRAITH 111. DAMPER CONTROL UNIT. The following table shews the pressures obtained when testing the first Experimental Production unit in the Works.… | ||
| 08-page32 | Scheme for the lubrication of Rear Shock Damper Link Ball Joints on a Wraith III model. | ||
| View original record | DF/RS. c. Rm. 642 DA.15/G.4.2.38. WRAITH III. PIPES AND WIRING. Please receive herewith the following scheme :- F.CD.460 Lubrication of Rear Shock Damper Link Ball Joints. The above scheme shews the… | ||
| 08-page33 | Costing and experimentation for a new square attachment on the Wraith III rear shock damper and roll rod. | ||
| View original record | 642 C. Rm. DA.5/G.22.2.38. Your views? WRAITH 111. REAR SHOCK DAMPER AND ROLL ROD. F.CD.260 was issued for costing in comparison with the previous serrated type. We have not received any cost figures… | ||
| 08-page34 | Requesting tests on the serrations for a roll rod lever attachment, comparing it to a Vauxhall design. | ||
| View original record | 642 By/Ald. from Rm/Les. c. By. Rm/Les.12/AP.23.2.38 Serrations for Roll Rod Lever Attachment. We want W.Bell to make some tests for the best method of shaft to lever attachment. We attach drawings of… | ||
| 08-page35 | Requesting a modification to the Wraith Governor Unit to match settings used on the P.III. | ||
| View original record | 642 8 To By. from Rm/Les. c.c. Da. c.c. Rm/Wym. Rm/Les.10/MH.2.3.38. WRAITH GOVERNOR UNIT. We are running 26.G.VI in France with a Ph.III over-riding control valve spring and Ph.III main release valve… | ||
| 08-page36 | Letter to Superflexit Limited requesting a sample and quotation for a flexible oil-resisting tube. | ||
| View original record | 642- April 7th.1938 Rm/Les.1/AP. Superflexit Limited, Slough, BUCKS For the attention of Mr.Trounson. Dear Sirs, This is to confirm this afternoon's telephone conversation. We are requiring for one of… | ||
| 08-page37 | Letter from Superflexit Ltd confirming a request for flexible tubing samples and a quotation. | ||
| View original record | 642 SUPERFLEXIT LTD DIRECTORS R. ST G. BURKE. W. H. GRINT. A. C. KEEN. O.B.E. H.T.MAYO M. I. M. T. I. P. RIDDOCH. W.R. TROUNSON. SIR NORMAN J.WATSON BART. MANUFACTURERS OF FLEXIBLE TUBING CONTRACTORS… | ||
| 08-page38 | Letter from Superflexit Ltd. quoting prices for flexible tubing. | ||
| View original record | SUPERFLEXIT LTD DIRECTORS R. ST G. BURKE. W. H. GRINT. A. C. KERR O.B.E. H. MAYO, M.A., M. INST. T. T. P. RIDDOCK. W. R. TROUNSON. SIR NORMAN J. WATSON BART. MANUFACTURERS OF FLEXIBLE TUBING… | ||
| 08-page39 | Letter to Superflexit Ltd. discussing a quotation and samples for flexible tubing. | ||
| View original record | 643 Rm/Les.6/JH. 13th April, 1938. Superflexit Ltd., SLOUGH, BUCKS. For the attention of Mr. Trounson. Dear Sirs, Thank you for your quotation for 1" diameter and 3/16" diameter flexible tubing and… | ||
| 08-page40 | Letter from Superflexit Ltd following up on a quote for 1/4' and 3/16' bore tubing. | ||
| View original record | SUPERFLEXIT LTD 642 DIRECTORS R. ST G. BURKE. W. H. GRINT. A. C. KERR. O.B.E. H. T. MAYO. M.A., M.I.P.T. I. P. RIDDOCH. W. R. TROUNSON. SIR NORMAN J. WATSON BART. MANUFACTURERS OF FLEXIBLE TUBING… | ||
| 08-page41 | Letter to Superflexit Ltd. regarding a previous communication and requesting samples of tubing. | ||
| View original record | 6423 Rm/Les.3/MH. Superflexit Ltd., Trading Estate, Slough, BUCKS. For the attention of Mr.Trownson. Dear Sirs, Thank you for your letter of the 20th. inst. It appears that you have not received our… | ||
| 08-page42 | The development of Wraith shock dampers, comparing production models with alternatives. | ||
| View original record | 642 Rm/AFM.6/MH.19.5.38. WRAITH SHOCK DAMPERS. The attached note explains what work is being done on Wraith dampers. Put briefly, the shock dampers that are instructed for production are rather more… | ||
| 08-page43 | Instructions for production settings and experimental test results for Wraith shock dampers. | ||
| View original record | Rm/D.D.Clapham.7/WH.19.5.38. WRAITH SHOCK DAMPERS. SETTINGS INSTRUCTED FOR PRODUCTION. Front. Initial load 40 lbs. Leak 3 secs. in each direction obtained by drilling a hole .031" dia. throughthe… | ||
| 08-page44 | Testing and comparison of different rear damper settings and modifications. | ||
| View original record | -2- 24.G.VI. - Cont'd. The reason for not standardising these settings is that the uneven leak allows free movement of the damper owing to the fact that on the bump stroke most of the oil is passed… | ||
| 08-page45 | Proposed work and further experiments on the Wraith rear dampers. | ||
| View original record | -3- Rm/D.D.Clapham.7/WH.19.5.38. 29.G.VI - Cont'd. not been proved yet, there having been several failures on the bump. PROPOSED WORK ON WRAITH. We propose to try as soon as possible a pair of rear… | ||
| 08-page46 | Blueprints and standard parts for the Wraith shock dampers. | ||
| View original record | 6H2 c. Rm/FJH. 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 - Valve Block.… | ||
| 08-page47 | Parts to use an Armstrong Shock Absorber as an anti-thump Front Brake Dashpot for the Wraith model. | ||
| View original record | To: HPS. c. Rm. c. Rm/AFM. 642 BY/ALd.18/N.22.7.38. ---------- WRAITH. S.CD.805 - Armstrong Shock Absorber used as Front Brake Dashpot. Sec: 5000 - Crankcase & Bearings. Sec: 6152 - Front Brakes… | ||
| 08-page48 | Continued parts list detailing modifications for a Wraith chassis, including replacements and parts no longer required. | ||
| View original record | -2- BY/Ald.18/N.22.7.38 Cont'd. Sec: 6152 - Cont'd. K.4316 - Lock nut bracket. 2 off. K.9010 - S. Washer. 2 " KB.2852- Bolt. 2 " Sec: 5000. KB.405 - Stud - crankcase. 2 off. K.313 - Bolt - crankcase.… | ||
| 08-page49 | List of parts no longer required for sections 6180 and 6030. | ||
| View original record | -3- BY/Ald.18/N.22.7.38 Cont'd. -------------- Sec: 6180 - Cont'd. Not required FW.623. 1 off. " " GW.1372. 1 " " " K.4307. 1 " " " K.4404 1 " " " E.50667 1 " Sec:6030. Not required GW.1010 2 off. " "… | ||
| 08-page50 | Internal memorandum discussing the adoption of a valve for Wraith front shock dampers to prevent low speed wobbling. | ||
| View original record | To By/Ald. from Rm/AFM. c. By. c. Da. Rm/AFM.6/MH.9.8.38. WRAITH FRONT SHOCK DAMPERS. The B.III steering is very free from joggles and this is attributed to the type of valve used in the dampers.… | ||
| 08-page51 | Requesting the rig testing of new B.III front damper valves for the Wraith model. | ||
| View original record | 642 HPS/W. Bell from Rm/FJH. c. HPS/WSC. Rm/FJH2/R.11.8.38. WRAITH FRONT DAMPERS. The necessary parts for fitting B.III front damper valves - SCD.429 - to Wraith front dampers are now finished and in… | ||
| 08-page52 | The testing of Drayton Regulator Co. shock damper bellows for the Wraith model, which resulted in inferior riding qualities. | ||
| View original record | 642. A.R.M. To ROY/Ms. c. to Rm. ROY/Les.1/B.13.8.38. DRAYTON REGULATOR CO. SHOCK DAMPER BELLOWS - WRAITH These Bellows which save 10/7d per chassis, have been tested on one of our experimental cars.… | ||
| 08-page53 | Reference regarding shock dampers for the Wraith model. | ||
| View original record | 6H2 Rm. Rm/GWH.12/N 20.9.38 Wraith. Shock Dampers. memo in 1113. | ||
| 08-page54 | Maximum and minimum settings for the Wraith governor unit. | ||
| View original record | 642 W/N - Br/Mr. Messervy from Rm/AFM. Rm/AFM.14/JH.28.10.38. Wraith Governor Unit Settings. T The figures we get here on Wraith governor units are as follows - Max. Min. 24 lbs/sq.in. 1 1/2… | ||
| 08-page55 | Solution for knocks in rear shock dampers by reducing side clearance for the 'B' series Wraith. | ||
| View original record | RHC. Rm. MSc. GWH. BR. Hd. HY/HBP HY/NS 642 BY.7/G.1.11.38. A.F.M. REAR SHOCK DAMPERS. We have read through the memo RHC.2/ MC.26.10.38. with interest, and noted the contents. We agree that the cause… | ||
| 08-page56 | Standardisation and comparative pricing of Shock Damper Bellows for the Wraith III 'C' Series. | ||
| View original record | 642 Rm. [Redacted] ROY/Ms8/P.9.11.38. WRAITH III. "C" SERIES. For some time you have had on test a number of Shock Damper Bellows F.83395 from the Drayton Regulator & Instrument Co. Ltd., of West… | ||
| 08-page57 | Investigation into a Wraith's harsh ride, focusing on the governor unit and damper pressures. | ||
| View original record | 642- Da. from Rm/AFM. c. Da/Hdy. Rm/AFM6/R.28.11.38. WRAITH GOVERNOR UNIT. We have had a Wraith in from Sales during the week-end with the complaint of harsh ride. The car has now been returned to… | ||
| 08-page58 | Comparing damper bellows for the Wraith model from two different suppliers, favouring the cheaper option. | ||
| View original record | 642. & 1292. To Roy/Ms. from Rm/AFM. c. By. c. Roy/Les. Rm/AFM.5/MH.30.11.38. DAMPER BELLOWS - WRAITH. In reply to your Roy/Ms.2/P.25.11.38. We have tried the bellows made by the Drayton Regulator Co.… | ||
| 08-page59 | Modifications to the shock damper control unit for the Wraith gearbox. | ||
| View original record | for filing BT/NS. c. Rm. 642 DA.6/G.13.2.39. SHOCK DAMPER CONTROL UNIT - WRAITH GEAR BOX. With Wraith Gear Box in the B.V. chassis, it is not possible to get in the present Wraith governor control… | ||
| 08-page60 | Note regarding shock dampers, cross-referencing to another file. | ||
| View original record | HPS. 642. Rm,'Clm. 8/JH. 6.3.39. Shock dampers see file 1292, | ||
| 08-page61 | Requesting the design of Gordon-Armstrong type rear dampers for the Wraith model. | ||
| View original record | 642 + 10a5 + 666 To By/Ald. Rm/AFM.2/JH.27.5.39. Rear Dampers - Wraiths. Will you please design and instruct rear dampers of the Gordon-Armstrong type. These are called for in the specification of… | ||
| 08-page62 | Blueprints for a test rig for a shock damper lever on the Wraith chassis. | ||
| View original record | 642? E.W.H. O. H. C. L. M. Ch. Insp. Dept. By/Ald.1/AW.19.7.39. WRAITH CHASSIS. Please receive herewith two blueprints of each of the following:- SCD.1454. Test Rig for Shock Damper Lever. EXS.1824.… | ||