Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Release status and modifications for components of the Production Wraith chassis. | ||
| View original record | By. from Rm/Gry. 600 Rm/Gry.1/AP.1.2.38 PRODUCTION WRAITHS. With regard to RHC's further request for the release of the whole of the Wraith chassis, we suggest the following modifications to your memo… | ||
| scan0002 | Alterations and issues with Bijur piping, steering, gearbox, battery, and ignition coil. | ||
| View original record | -2- 16. Bijur Piping - Release as 26.G.Vl. Since you wrote your memo By.31/N.10.1.38, various things have gone wrong which necessitated alterations to the chassis and some further parts being held up.… | ||
| scan0003 | Production delays and schedule issues for the Wraith model. | ||
| View original record | To BY. & Rm. From RHC. c. to Hs. c. to HPS. WRAITH. We are falling behind on our latest Schedule for Wraith Production. The earlier Schedule fixed at the beginning of last year has been exceeded in… | ||
| scan0004 | Production modifications and status updates for various components of the Wraith chassis. | ||
| View original record | By. from Rm/Gry. Rm/Gry.1/AP.1.2.38 PRODUCTION WRAITHS. With regard to RHC's further request for the release of the whole of the Wraith chassis, we suggest the following modifications to your memo… | ||
| scan0005 | Outlining necessary alterations and pending tests on various chassis components. | ||
| View original record | -2- Rm/Gry.1/AP.1.2.38 16. Bijur Piping - Release as 26.G.V1. Since you wrote your memo By.31/N.10.1.38, various things have gone wrong which necessitated alterations to the chassis and some further… | ||
| scan0006 | Test report on the Wraith III engine gears, detailing running times and backlash measurements. | ||
| View original record | To By. 600 also 115's Rm/CTS.12/JH.3.2.38. WRAITH III ENGINE GEARS. No.6. Unit. The above experimental engine has been run on the test bed for general development purposes, using a "fabroil" camwheel,… | ||
| scan0007 | Outstanding materials and tooling for the production of Wraith models. | ||
| View original record | To RHC. from By. 600 By.2/AP.3.2.38 OUTSTANDING MATERIAL FOR PRODUCTION WRAITHS. In releasing the material for the 100 sets, we indicated that certain parts were suitable for the first six cars but… | ||
| scan0008 | Design changes and production releases for various vehicle components. | ||
| View original record | -2- (4) contd. We would suggest that in dealing with the inlet pipes which we are prepared to clear for production the on the first 100 cars, that we should limit the rate at which they are produced… | ||
| scan0009 | Status update memo on various car components and their release for production. | ||
| View original record | -3- (11) Front and Rear Brakes. Front and Rear Hubs. These should be released in accordance with Rm/AFM. 4/WH. 28.1.38. Copy of this memo will be provided. (12) Front Bumpers. These are not required… | ||
| scan0010 | Reasons for holding up the release of specific vehicle components including steering, gearbox, battery, and ignition coil. | ||
| View original record | -4- The following items which have previously been released will have to be held up for the following reasons:- (a) Front Steering Pivots. There has been a tendency for the steering to become unduly… | ||
| scan0011 | Instructions for modifications to the Wraith III engine, concerning valve guides, oiling arrangements, and tappets. | ||
| View original record | By. from Rm/Swdl. c. to Da. 600 also 654 Rm/Swdl.1/AP.3.2.38 WRAITH III. Will you please instruct for the following on the 100 sets of parts which are being ordered:- (1) Valve guides EB.3238 raised… | ||
| scan0012 | The status of material and tooling instructions for various Wraith III chassis components. | ||
| View original record | To. By & RM....From RHC. Roy/Ms. Wld. RHC/GAN 600 WRAITH III CHASSIS. With reference to memo By.2/AP.3.2.38., on the question of material not released for the first 100 sets; we have investigated the… | ||
| scan0013 | Progress report detailing required actions for various vehicle components, including the radiator, bonnet, and brakes. | ||
| View original record | -2- (6) Radiator & Fittings The proposed modification to filler will not affect material instructions and tooling for the remainder of this section. (7) Bonnet. We require further instructions on… | ||
| scan0014 | Status report on tooling and material investigations for various vehicle components. | ||
| View original record | -3- (14) Front & Rear Engine Mounting. Tools to proceed, but latest modification should be incorporated. (15) Petrol Pump. This does not affect us at the moment but instructions should be cleared as… | ||
| scan0015 | Material releases and specifications for a batch of twelve experimental production Wraith III cars. | ||
| View original record | To ~~By & Rm...~~ Roy/Ms. From RHC. RHC.1/MC.5.2.38. 600? (handwritten) [Signature] WRAITH III. Referring to our recent conversations on material releases for the above chassis, we now want to proceed… | ||
| scan0016 | Release instructions for various components for the Wraith III model. | ||
| View original record | E. Dept. F. Dept. G. Dept. D. Dept. RHO Roy/Ms. Rm/Gry. 600 BY.1/N.7.2.38. ------------ WRAITH III - 100 SETS. -------------------- Further to our memo BY.1/N.11.1.38, it has been agreed to release… | ||
| scan0017 | Status update memo on the release of various vehicle components for production tooling and materials. | ||
| View original record | -2- BY.1/N.7.2.38 Cont'd. ---------------------- Camshaft. This can be released for tools and material enquiries, as the cam balancer which is under consideration will not seriously interfere with… | ||
| scan0018 | Status report on the production release of various vehicle components. | ||
| View original record | -3- BY.1/N.7.2.38 Cont'd. Gearbox. This can be released with the exception of details affected by modified coupling. Petrol Pump. This to be held up. Side Spare Wheel Carrier. This can be released for… | ||
| scan0019 | Status of various vehicle components including hubs, brakes, battery, ignition coil, and steering pivots. | ||
| View original record | -4- BY.1/N.7.2.38 Cont'd. Front Hub & Brakes. These can be released for tools, and materiel with the exception of the shoes, for the next 12 cars the shoes can be released as for the first 6. Rear Hub… | ||
| scan0020 | The design and experimental issue of a gearbox extension stay for the Wraith III chassis. | ||
| View original record | c. Rm. File DA.7/G.17.2.36. WRAITH 111. CHASSIS. LOD. Please receive herewith blueprints of G.CD.392 Stay - Gearbox Extension to Cruciform Member. This scheme shows a tie rod for use with the gearbox… | ||
| scan0021 | Specification of parts required to bring Wraith car 28.G.V1 up-to-date. | ||
| View original record | To HPS. from Rm/Wym. 600 Rm/Wym.1/AP.18.2.38 28.G.V1. Herewith specification of parts required to bring Wraith car 28.G.V1. up-to-date. 1. Fit engine unit No.8. 2. Reline brakes with Ferodo M.R.J.… | ||
| scan0022 | List of fitting and modification instructions for various vehicle components, page 2. | ||
| View original record | -2- Rm/Wym.1/AP.18.2.38 10. Spare wheel Carrier. Fit:- DW.495/6 Stiffeners. 11. Steering Column LOP.FW.1438 Incorporates:- FCD.103 FCD.98 FW.1331 Pendulum lever. FW.1332 Supp. brackets. FW.1427… | ||
| scan0023 | List of modifications and specifications for vehicle components including pivot bearings, radiator, and water connections. | ||
| View original record | -3- Rm/Wym.1/AP.18.2.38 21. PD.97 Needle roller lower pivot bearings. 2-GW.1959 Washer pivot bearing - new piece. 2-GW.1960 Packings - felt washer - new piece. 2-GW.1961 Outer race - lower pivot… | ||
| scan0024 | List of parts and modifications for road springs, shock dampers, and clutch. | ||
| View original record | -4- Rm/Wym.1/AP.18.2.38 31. Front road springs to Rm/Les's instructions. 32. Rear Road springs LOP.1385 Fit EOD.91 rear spring silentbloc bush. FW.1371 shackle pin. FW.1372/3 Covers for pipes.… | ||
| scan0025 | Request to remove the inertia ring from the flywheel of 24.G.Vl. | ||
| View original record | 600 To HPS. from Rm/Wym. Rm/Wym.2/AP.21.2.38 24.G.Vl. Will you please remove the inertia ring from the flywheel of 24.G.Vl. and hand same to under-signed. Rm/Wym. | ||
| scan0026 | Requesting an inertia ring be machined down in weight from 29 lbs to 20 lbs. | ||
| View original record | 8 To HPS. from Rm/Wym. 600 Rm/Wym.7/MH.21.2.38. The inertia ring just removed from 24.G.VI car weighs 29 lbs. We would like this machined down to approximately 20 lbs. Will you do this for us as soon… | ||
| scan0027 | Decisions on the specifications and release of various parts for Production Wraiths. | ||
| View original record | 600 PRODUCTION WRAITHS. In order to enable you to go ahead and settle your cost for the above chassis, I am reviewing herewith Rm/Gry.1/AP.1.2.38. with this object in view :- (1). REAR CRANKSHAFT… | ||
| scan0028 | List of release decisions and instructions for various vehicle components, page 2. | ||
| View original record | - 2 - BY.10/C.21.2.38. (5). OIL SUMP INDICATOR. We have decided to release the indicator working on the top half of the crankcase. (6). RADIATOR FILLER. This has already been released by an earlier… | ||
| scan0029 | List of design updates and specifications for various vehicle components, page 3. | ||
| View original record | - 3 - BY.10/G.21.2.38. (14) ENGINE MOUNTING. (cont'd. present supports will be required, but additional steadies which are being designed and are being tried out may be called for. G.CD.487. We think… | ||
| scan0030 | Component specifications for the distributor, rear axle, speedometer, and dynamo drive gear, including material release for the Wraith model. | ||
| View original record | - 4 - (24). DISTRIBUTOR. R.R. Distributor to be used. (25). REAR AXLE. We anticipate using the higher ratio, but the cost of these will be known, as they are already on production. (26). SPEEDOMETER… | ||
| scan0031 | The modification status and required upgrade specifications for Wraith cars. | ||
| View original record | Handwritten: GRY Should like to have your suggestions Rm boo To Rm. From HPS. HPS.2/VS 21.2.38. WRAITH CARS. We have now modified 26.G.VI, 27.G.VI and 29.G.VI, and a specification is to hand for… | ||
| scan0032 | Request to add two design items, an engine stay and an under bonnet lamp, to the specification for a Wraith Car. | ||
| View original record | To HPS. from Rm/Wym. 600 Rm/Wym.1/MH.23.2.38. WRAITH CAR 28.G.VI. We would like you to add to our specification for the above car the following 2 design items which have just come through - (1)… | ||
| scan0033 | List of suggested spares for a Wraith III. | ||
| View original record | 600 To By. Rm/FB.10/JH.23.2.38. We suggest the following spares for Wraith III - 2 14 m.m. sparking plugs. 2 valve springs. 1 petrol nozzle. 6 G.54562 balance weights. 1 set of spares for spring… | ||
| scan0034 | Frame modifications and brake gear compatibility for Wraith cars. | ||
| View original record | To HPS. from Rm/Gry. c. Rm/wym. x 600 Rm/Gry.2/MH.24.2.38. WRAITH CARS. HPS.2/VS. 21.2.38. Replying to this memo about 25.G.VI and 24.G.VI we shall not change the frames but shall add the same… | ||
| scan0035 | Production decisions and corrections for a batch of 100 Wraith chassis sets. | ||
| View original record | E. Dept. (Struck through) F. Dept. (Struck through) G. Dept. (Struck through) D. Dept. (Struck through) C. IIC. (Struck through) C. BY/NS. (Struck through) C. Foy/Wa. (Struck through) C. Rm/Gry.… | ||
| scan0036 | Tie Rod scheme for the Wraith model, referencing a trial car. | ||
| View original record | BT/NS o. Rm. ------ 600 DA.20/G.25.2.38. WRAITH. Herewith is G.CD.487 shewing Tie Rod similar to the one fitted to the 15,000 miles trial car 26-G-V1. at present in France. This scheme has been… | ||
| scan0037 | Summary of a discussion on distributor failures, timing gear rattles, and engine periods on the Wraith model. | ||
| View original record | 600 Rm/Gry. from Rm. c. Rm/Wym. c. Rm/Swdl. Rm9/R.1.2.38. Distributor Failures, Timing Gear Rattles & Engine Periods on the Wraith. The following is a summary of the discussion which took place on… | ||
| scan0038 | Wraith car (28.G.VI) being sent to the fitting shop due to a seized clutch. | ||
| View original record | To HPS. from Rm/Wym. γ 600 Rm/Wym.5/MH.3.3.38. WRAITH CAR 28.G.VI. We are sending the above car into the fitting shop for you to remove the existing spring drive and slipper wheels and fit the solid… | ||
| scan0039 | Small additions to the Wraith car brake specification. | ||
| View original record | To Rm/Wym. from Rm/AFM. Rm/AFM.2/AP.4.3.38 600! WRAITH BRAKES. Will you please add to the specification of Wraith cars being modernized:- GCD.446 (Mods. to hand brake) FCD.523 (Water screen, front… | ||
| scan0040 | Listing two required modifications for the Wraith car. | ||
| View original record | 600 To HPS. Rm/Wym.11/JH.4.3.38. WRAITH CAR MODIFICATIONS. Will you please add to your list of mods. required to all Wraith cars the 2 following items. GCD.446 (mods to hand brake). FCD.523.(water… | ||
| scan0041 | Bringing Wraith Car 25.G.VI up to date, including parts and a troublesome rear axle. | ||
| View original record | 600. To HPS. from Rm/Wym. c. Rm/Gry. c. Rm/RC. Rm/Wym.1/MH.4.3.38. WRAITH CAR 25.G.VI. We are sending you the above car into the fitting shop to be brought up to date. This car is taking the place of… | ||
| scan0042 | The desired ignition governor advance curve for the Wraith III model. | ||
| View original record | To Rm/RC. from Rm/Swdl. c. BY/RD. WRAITH III IGNITION GOVERNOR. Now that the hand control Advance and retard has been deleted from the governor it is desirable not to have the static setting any… | ||
| scan0043 | Instructions for bringing Wraith car 25.G.VI up to date, which includes rectifying rear axle oil seal squeaks. | ||
| View original record | To HPS. from Rm/Wym. c. Rm/Gry. c. Rm/RC. 600 Rm/Wym.1/MH.4.3.38. WRAITH CAR 25.G.VI. We are sending you the above car into the fitting shop to be brought up to date. This car is taking the place of… | ||
| scan0044 | Secret memo regarding oscillation issues in Wraith engines, proposing a comparative bench test against the 25/30 engine. | ||
| View original record | SECRET. To Rm. from Sg. Copy to Hs. re Wraith Engines. Sg3/E4.3.38 600. ? In view of what was said at the conference the other day, I am rather disturbed as to why the modifications to the engine have… | ||
| scan0045 | List of points requiring attention for the Wraith III Oil Level Indicator, part number E.CD.255. | ||
| View original record | To DY. from HPS/RH. (DY. is struck through) c. to Ds. (Ds. is struck through) c. to Rm. C. to HPS. (HPS. is struck through) c. to Rm/Swdl. (Rm/Swdl. is struck through) 600. HPS/RH.1/VS.8.3.38. WRAITH… | ||
| scan0046 | Work order detailing repairs for Wraith car 28.G.VI, including engine, clutch, and ignition system work. | ||
| View original record | To HPS. 600. Rm/Wym.1/JH.9.3.38. WRAITH CAR 28.G.VI. We are sending the above car into the fitting shop for the following work to be done. (1) Dismantle and examine clutch for seizure. (2) Dismantle… | ||
| scan0047 | Instructions regarding suspension modifications for Wraith cars 25.G.V1 and 28.G.V1. | ||
| View original record | To HPS. from Rm/Wym. c. Rm/Les. 600 Wraith Cars 25.G.V1. and 28.G.V1. To avoid any misunderstanding regarding the relative suspensions of the above two cars, due to the change over of specifications,… | ||
| scan0048 | Summary of work reducing special parts for the Wraith III, detailing standard vs non-standard components. | ||
| View original record | Rm. e.BY ----- BY/Ald.13/G.11.3.38. WRAITH 111. STANDARD PARTS. October 1937 to March 1937. As requested we give below a summary of the work done in connection with the reduction in number of special… | ||
| scan0049 | Instructing work to be carried out on Wraith Car 28.G.VI, including replacing parts and safety checks. | ||
| View original record | 600. To HPS. Rm/Wym.4/JH.12.3.38. WRAITH CAR 28.G.VI. We are sending the above car into the fitting shop for you to replace the crankshaft spring drive and slipper wheels. The slipper load we should… | ||
| scan0050 | Order for 100 sets of Oil Pipes & Fittings for the Wraith III chassis. | ||
| View original record | To. EHC/CAN c. Roy/Ms. c. RHC. c. HPS. c. Rm/Grys. 600 BY/HEB.6/WB.14.3.38. WRAITH III CHASSIS - 100 SETS. OIL PIPES & FITTINGS - SEC : 7142. Further to memo BY/HEB.1/WB.26.2.38, when we issued… | ||
| scan0051 | Secret memo regarding delays and outstanding drawing office instructions for the Wraith III chassis. | ||
| View original record | Secret. To By. & (Rm.) From RHC/SS. c. to Hs. 600. RHC/SS.1/MJ.16.3.38. WRAITH 111. In connection with the above, we again wish to draw your attention to the fact that the instructions for the first… | ||
| scan0052 | Replacing an R.R. ignition distributor with a Delco distributor on a Wraith car. | ||
| View original record | To HPS. x. 600 - Rm/Wym.1/JH.16.3.38. Wraith Car 28.0.6. We are sending the above car into the fitting shop to have the R.R. ignition distributor removed and the Delco distributor refitted. This… | ||
| scan0053 | Outlining repair jobs for a Wraith car with engine issues. | ||
| View original record | TO HPS. Rm/Wym.1/JH.17.3.38. 600 WRAITH CAR 28.G.VI. We are sending the above car into the fitting shop for the following jobs. (1) Bad knock from No.4. big end bearing - examine all big ends. (2)… | ||
| scan0054 | Request to modify the drive and distributor unit on Wraith car 28.G.VI. | ||
| View original record | y 600 To HPS. from Rm/Wym. Rm/Wym.9/MH.18.3.38. WRAITH CAR 28.G.VI. On the above car will you please remove the present spring drive and slipper wheels, and refit the solid drive to the crank pinion,… | ||
| scan0055 | Follow-up memo requesting an update on Wraith Engines. | ||
| View original record | 600. To Rm. from Sg. re Wraith Engines. Sg19/E21.3.38 Referring to Sg3/E4.3.38 would you please let me know what has happened about this. Sg. | ||
| scan0056 | Urgent update to the Wraith III engine distributor spring drive. | ||
| View original record | B1/NS c. Rm. RC File Wyman follow up. 600- DA.14/G.23.3.38. WRAITH 111. ENGINE. DISTRIBUTER. We have previously issued E.CD.515 Spring Drive for the RR. Distributer, for filing purposes only, but as… | ||
| scan0057 | Referring to a vibration mentioned in an attached report and a previous communication. | ||
| View original record | 600 - Sg. from Rm. Rm6/R.23.3.38. With reference to the attached report, this is the vibration mentioned in your Sg3/E.4.3.38. Rm. | ||
| scan0058 | Requesting the removal of crankshaft balance weights and the refitting of a Delco distributor unit on a Wraith car. | ||
| View original record | To HPS. from Rm/Wym. 600 Rm/Wym.2/AP.24.3.38 WRAITH CAR 28.G.V1. Will you please remove the crankshaft balance weights from the above car and refit the Delco distributor unit with the standard drive,… | ||
| scan0059 | The build of a spring drive for a Wraith III engine distributor. | ||
| View original record | To HPS. 600. Rm/Wym.1/JH.25.3.38. WRAITH III - R.R. ENGINE DISTRIBUTOR. Will you please build up as soon as possible one spring drive for the R.R. distributor to ECD.515. We will tell you to which car… | ||
| scan0060 | Requesting engine revs at 80-85 mph for a car with a higher gear back axle. | ||
| View original record | To Rm. from Sg. Sg25/E25.3.38 [Handwritten: 600] Thanks for Rm6/R23.3.38 [Handwritten annotation: ? with arrow] which I have read with considerable interest. I should be glad to know what the engine… | ||
| scan0061 | Request to make up a modified Delco distributor spring drive for the Wraith model. | ||
| View original record | 600g To HPS. from Rm/Wym. Rm/Wym.S/MH.25.3.38. WRAITH DISTRIBUTOR DRIVE. Will you please make up the modified type of Delco distributor spring drive to ECD.554. When the parts are made we will notify… | ||
| scan0062 | Engine modifications and parts required for car 27.G.VI. | ||
| View original record | To HPS. from Rm/Std. c. MX. c. Rm/Wym. 600 27.G.VI. While this car is having new bearings fitted to its engine, will you please carry out the following work on same - (1) Fit blades of correct… | ||
| scan0063 | Instructing the fitting of temporary steel diagonal stays to two Wraith cars for testing purposes. | ||
| View original record | To HPS. Rm/Wym.1/JH.7.4.38. WRAITH CARS 28.G.VI and 29.G.VI. Whilst you have the above 2 cars in the fitting shop will you please arrange to fit as a temporary scheme and purely for test purposes,… | ||
| scan0064 | Confirming a verbal request to revert to the original governor advance settings for the production Wraith III units. | ||
| View original record | γ 6000. To By/RD. from Rm/Swdl. c. Rm/RC. Rm/Swdl.3/MH.7.4.38. WRAITH III IGNITION GOVERNOR. This memo to confirm our verbal request that we revert to the original range of governor advance, i.e. 15°… | ||
| scan0065 | Suggestion for modifying the initial setting of ignition distributors for Wraith and Bentley III models. | ||
| View original record | To By. from Rm/P.Potts. c. RY/RD. c. RR/RC. Handwritten: 600 also 400 RC IGNITION DISTRIBUTORS - WRAITH AND BENTLEY III. The first R.R. distributor to Loc.MCD.515 has been tried on the test bed, and a… | ||
| scan0066 | Test report detailing various faults found on car 25.G.Vl. | ||
| View original record | 600 To Rm/Wym. from Rm. Rm.1/AP.20.4.38 25.G.Vl. The heater on this car is effective with regard to warming the body, but allows too much noise to be transmitted from the engine to the body, and for… | ||
| scan0067 | Secret memorandum authorising the release of a further 200 sets of Wraith Material. | ||
| View original record | SECRET. 600 To Roy., BY., & Rm. c. to Sg. & Hs. RHC.1/MJ.9.4.38. WRAITH MATERIAL. Authority for the release of a further 200 sets of Wraith Material, which will make a total of 300 Sets released, is… | ||
| scan0068 | Quantity and cost-effectiveness of ordering material sets for the Wraith model. | ||
| View original record | SECRET. Copy. To Hs. From Sg. c. to RHC. ROY. Sg.13/E8.4.38. Re. Wraith Material. Referring to RHC.3/MJ.5.4.38 it is noted that there appears to be no advantage from a cost point of view in ordering… | ||
| scan0069 | Blueprint detailing the design modifications for a strengthened main lever housing for the Wraith III model. | ||
| View original record | FCD625, FLANGES & CENTRE WEB STIFFENED, MAIN LEVER HOUSING G.W. 1746/7 FRACTURED HERE, RADIUS INCREASED, STRENGTHENED MAIN LEVER HOUSING, WRAITH III, FCD625, SIZE OF BOSSES INCREASED, NOTE MODIFIED… | ||
| scan0070 | From the Iron Foundry regarding uneconomical production pattern equipment for the Wraith. | ||
| View original record | SWDL PLEASE SEE ME boo. By c to Rm. c to Hs. c to RHC. c to Mr. Walker (Pattern Shop) Files Rm RHC/Vs.10/JT.22.4.38. Iron Foundry. Re - Production Pattern Equipment for Wraith. Schedule requirements… | ||
| scan0071 | Secret memorandum on production issues and complaints concerning the first 100 Wraith cars. | ||
| View original record | 600. SECRET. By. from Rm. c. Da. Rm3/R.25.4.38. WRAITH PRODUCTION. A number of points have arisen, as was inevitable, which affect the first 100 Wraith cars which have been instructed. The points… | ||
| scan0072 | List of proposed modifications for a vehicle, including the choke, brakes, chassis, and engine components. | ||
| View original record | -2- Rm3/R.25.4.38. (3) Undercut Choke Spindle. It seems to be imperative to carry out this modification to prevent chokes sticking on the Wraith. Fortunately, the standard Stromberg can easily be… | ||
| scan0073 | Four potential modifications for an order of 200 sets of Wraith material. | ||
| View original record | -3- Rm3/R.25.4.38. With reference to the 200 further sets of Wraith material which the Works now wish to order, we raised the following points:- (1) We want to tilt the carburetter in the same way as… | ||
| scan0074 | Secret memo from Sg. to Rm. regarding actions required for the Wraith model concerning distributors, engine vibration, and steering pivots. | ||
| View original record | 600. SECRET. To Rm. from Sg. re Wraith. Copy to Hs. 1. At the Intermediate Conference on the 5th you will remember that it was decided that all existing cars should be changed as quickly as possible… | ||
| scan0075 | Development issues with the R.R. Distributor, engine vibration, and steering pivots for the Wraith model. | ||
| View original record | SECRET. 600. Sg. from Rm. c. Hs. Rm2/R.26.4.38. WRAITH. Sg10/E.25.4.38. ? (1) R.R. Distributor. We have not yet ironed out all the troubles in the R.R. distributor mentioned in Rm4/R.30.3.38. Until… | ||
| scan0076 | Production of metal patterns for the Wraith model's engine components. | ||
| View original record | RHC. c. Hs. c. By. c. Mr. Walker (P.S.) c. RUC/Vs. 600. Rm1/R.26.4.38. Metal Patterns for Wraith. With reference to RHC/Vs1O/JT.22.4.38., this is to confirm that we anticipate the cylinder block to… | ||
| scan0077 | Production report on the Wraith model, detailing issues and actions for various components. | ||
| View original record | c. Rm. Exec 600 WRAITH noted WRAITH PRODUCTION. (1). Propeller Shaft. Presumably some more information will be available about this shortly. We should like to know how they got the RR. shaft on to a… | ||
| scan0078 | Order for Wraith sets and the design of threaded shackles for the rear spring. | ||
| View original record | - 2 - DA.8/G.27.4.38. Further 200 sets of Wraith. (1). We cannot understand how this differs from altering the level. (2). We are designing threaded shackles at front end of rear spring. (3).… | ||
| scan0079 | Instructions for material release and modifications for the Wraith 'B' Series, chassis 101-300. | ||
| View original record | E. Dept. C. Dept. G. Dept. c. Rm. c. RHC. c. ROY c. ROY/Ms. c. BY/NS. 600 WRAITH 101-300. ('B' SERIES). We have received instructions to release a further 200 sets of material for the above, and these… | ||
| scan0080 | Production holds and component modifications for brakes and propeller shafts. | ||
| View original record | - 2 - BY/Mtn.9/G.29.4.38. Brakes. (cont'd). (4). Tipping shoes are to be retained, but forgings should be instructed in place of castings after the 1st. 100. Propeller Shaft. This is being held up by… | ||
| scan0081 | Change to the Wraith III ignition timing. | ||
| View original record | To By. from Rm/Swdl. c. By/RD. c. By/CS. c. Mx. Rm/Swdl.9/MH.2.5.38. WRAITH III IGNITION TIMING. Now that the hand control advance and retard has been deleted from the governor it is desirable not to… | ||
| scan0082 | Proposed oil-resistant rubber shield for the Wraith III model to prevent oil drainage. | ||
| View original record | BY/RM. (crossed out) c. Rm. DA.22/G.22.4.38. 600 WRAITH 111. Herewith D.CD.627 showing a Shield to prevent surplus oil draining from end of column and rotting horn cable. Shield will be in oil… | ||
| scan0083 | Requesting instructions for two drive configurations for a Torsional Indicator on a Wraith III to investigate camwheel wear. | ||
| View original record | r 6007 URGENT. To HPS. from Rm/Swdl. c. Rm/Wym. Rm/Swdl.1/MH.2.5.38. TORSIONAL INDICATOR. WRAITH III. The results we have obtained with the above are so informative that we have decided to further its… | ||
| scan0084 | List of faults and comments on a car, including various squeaks, rattles, and leaks. | ||
| View original record | Rm/Wym. from Rm. Rm/Gry. Rm/AFM. 600 24.G.VI. Rm3/R.9.5.38. We make the following comments on this car:- (1) High pitch brake squeaks were experienced on several occasions. (2) The squeaks from the… | ||
| scan0085 | List of jobs to be carried out on Wraith car 25.G.VI. | ||
| View original record | 600. To HPS. Rm/Wym.1/JH.12.5.38. WRAITH CAR 25.G.VI. We are sending the above car into the fitting shop for the following jobs - (1) Fit fully isolated type change speed lever. (2) Fit latest type… | ||
| scan0086 | Recent alterations to the Wraith III model which have delayed production and affected costs. | ||
| View original record | 600. WRAITH III. Recent alterations which have delayed production and seriously affected tool manufacture and costs. (1) Modification to Bumper Brackets (Instructed May 9th.) 26 Sets of Rear… | ||
| scan0087 | Production alterations, delays, and parts for Wraith 'A' and 'B' series vehicles. | ||
| View original record | -2- (contd.) (6) Dashboard. INSPECTION LAMP Alteration to Dashboard drilling sent through on May 9th. 10 boards drilled - 6 of these completely fitted up. (7) Pressure Piping for Damper Control. This… | ||
| scan0088 | Oil level behavior in Wraith III & Bentley III engines, focusing on the risk of over-oiling. | ||
| View original record | Secret By. from Rm/Swdl. c. Hs. c. RHC. c. Da. c. Da/Jnr. 600 400 Rm/Swdl.1/R.16.5.38. WRAITH III & BENTLEY III OIL LEVEL. It has been very noticeable on the above units during development work that… | ||
| scan0089 | Recommending the adoption of a trap door design for Wraith III and Bentley III models. | ||
| View original record | -2- Rm/Swdl.1/R.16.6.38. In view of the results obtained and the simplicity of the trap door, etc. which needs no testing as is incorporated on P.III, we consider that it should be adopted on Wraith… | ||
| scan0090 | Comparison of the number of engine parts for the Wraith and Phantom III models. | ||
| View original record | 600. Rm/Cr.6/MH.16.5.38. WRAITH AND PHANTOM III ENGINE PARTS. Number of parts on Wraith and Phantom III engine by sections showing number common to both units. These figures do not include any stock… | ||
| scan0091 | Parts quantity comparison list between the Phantom III and Wraith III models. | ||
| View original record | -2- P.III. Wraith III. Common to Both. Watter Connections. 26 14 3 Oil Fttgs. & Pet. D.Pipes 38 43 5 Oil Filler 11 13 10 Oil Filter 10 16 0 Oil Sump Indicator 44 23 0 Relief Valves 17 14 8 Pressure… | ||
| scan0092 | Testing and manufacturing rear end oil retainers for Wraith & Bentley models. | ||
| View original record | 600 To By/Ald. from Rm/Swdl. Rm/Swdl.2/MH.17.5.38. REAR END OIL RETAINER (WRAITH & BENTLEY) We have tested out the scheme ECD.238 with promising results, but which is not a complete cure. By reverting… | ||
| scan0093 | The curb weights for the Wraith and 25/30 chassis. | ||
| View original record | 600 COPY FOR FILES. COPY FOR BOARD 17.5.38. Wraith chassis curb weight with lamps, horns, tools, petrol, water and oil. - 3050 lbs. 25/30 chassis curb weight with lamps, horns tools, petrol, water and… | ||
| scan0094 | Modification instructions for the Wraith III engine oil gallery pipe. | ||
| View original record | E. Dept. c. to Rm. Files 600 DA.2/G.31.8.37. SWDG WRAITH 111 - ENGINE OIL GALLERY PIPE MOVED OVER TO NEAR SIDE. Please receive herewith E.CD.44 Modified Oil Delivery to Oil Gallery Pipe - Wraith 111.… | ||
| scan0095 | Comparative table of the number of engine parts for Wraith, Phantom III, B.50-6, and B.50-8 models. | ||
| View original record | 600. 1st. June 1938. WRAITH, PHANTOM III & B.50 - 6 & B.50 - 8 ENGINE PARTS. Number of parts on Wraith, Phantom III, B.50-6 and B.50 - 8 engines by sections showing number of parts common to the… | ||
| scan0096 | Comparison table of part counts for Wraith, Phantom III, B.50-6, and B.50-8 engines. | ||
| View original record | WRAITH, PHANTOM III AND B.50 - 6 & B.50 - 8 ENGINE PARTS. Total number of parts on Wraith, Phantom III, B.50 - 6 and B.50 - 8 engines by sections, showing number of parts common to the respective… | ||
| scan0097 | Arrangements for sketching a 25/30 chassis during the Whitsun holidays. | ||
| View original record | W/S -> Bk1. 600 1204? Rm/FD.15/JH.1.6.38. Would you please get in touch with Mr. Clarke and let us know whether you require any arrangements making for sketching the 25/30 chassis during the Whitsun… | ||
| scan0098 | Requesting L.O.P's to be quoted from a note by W. Bell to identify an engine used in tests. | ||
| View original record | 600 Rm/Cr. from Rm. Rm2/R.8.6.38. Will you please quote the L.O.P's on this note from W. Bell, so that there may be no mistake about which engine has been used for the tests. Rm. | ||
| scan0099 | The Centre of Gravity Test for the Wraith III No. 2 Engine, listing included components. | ||
| View original record | To Rm. from Rm/W.Bell. c. to By. c. to DA. c. to By/MoStey. HPS/WB.1/CB.3.6.38. WRAITH III No. 2 ENGINE. Centre of Gravity Test. The position of the centre of gravity of the above engine (with gear… | ||
| scan0100 | Diagram showing the results of Centre of Gravity tests for a Wraith III No. 2 engine crankcase. | ||
| View original record | TRANSVERSE POSITION OF C.O.G. DRY .876" FROM ENGINE C L - TOWARDS NEAR SIDE. WET .753" DRY 17.467" WET 17.487" FRONT C L ENGINE FOOT C.O.G C L OF CRANKSHAFT C L OF ENGINE DRY 3.941" WET 4.267" DRY… | ||
| scan0101 | List of fitting shop jobs for a Wraith car 28.G.VI. | ||
| View original record | 600 To HPS. Rm/Wym.6/JH.9.6.38. WRAITH CAR 28.G.VI. We are sending the above car into the fitting shop for the following jobs - (1) Dismantle and examine clutch for being out of balance - see NRC. (2)… | ||
| scan0102 | Drawing E.CD.669, a 1/4 scale picture drawing showing the arrangement of the Wraith III engine unit. | ||
| View original record | [redacted] c. NM/Swdl. [redacted] 600 Sales DA.10/C.9.6.38 ARRANGEMENT OF WRAITH 111, ENGINE UNIT. Please receive herewith E.CD.669 Arrangement of Wraith lll engine. This drawing has been made for the… | ||
| scan0103 | Drawing for the arrangement of the Wraith III engine unit. | ||
| View original record | BY/NS 600 c. Rm c. Rm/Suddy c. Da/EV. c. Da/Inn. c. Da/ID c. Da/TID File DA.10/G.9.6.38. ARRANGEMENT OF WRAITH 111. ENGINE UNIT. Please receive herewith E.CD.669 Arrangement of Wraith 111 engine. This… | ||
| scan0104 | The cancellation of two items and the fitting of new parts for the Wraith Car 28.G.VI. | ||
| View original record | 600? To HPS. from Rm/Wym. Rm/Wym.5/MH.10.6.38. WRAITH CAR 28.G.VI. ? Further to our memo Rm/Wym.6/JH.9.6.38 we would like you to cancel items (2) and (3) and fit the following parts. (1) Latest… | ||
| scan0105 | Specification comparison for 8 and 12 cylinder 'Project Line 8' engines. | ||
| View original record | COPY FOR FILES. 17th. June 1938. PROJECT LINE 8 ENGINE. CYLS. | BORE. | STROKE. | STROKE/BORE | C.C. | R.A.C. 8 | 3 1/2 88.9 | 4 1/2 114.3 | 1.285 | 5660 | 39.2 12 | 3.06 77.7 | 3.93 100 | 1.285 |… | ||
| scan0106 | The proposed fitting of a Wraith engine to chassis 21.G.IV, including required parts and modifications. | ||
| View original record | [Handwritten text at top] MTns. This unit should now be fitted into 26 G VI Please To HPS. from Rm/Mths. instruct accordingly G/MH.17.6.38. [The previous line is struck through] Cancelled 600. Um… | ||
| scan0107 | Build specification for a Wraith III No.10 engine unit. | ||
| View original record | 600. To HPS. c. to G/RB. Rm/Swdl.14/JH.17.6.38. WRAITH III No.10. Will you please build another new unit to the following specification, which will take the place of an obsolete engine in a car. (1)… | ||
| scan0108 | Request for a comparative cost estimate on B.60 type rocker cover nuts with Nenprene rubber bushes. | ||
| View original record | -2- Rm/Swdl.14/JH.17.6.38. (12) B.60 type of rocker cover nuts with Nenprene rubber bushes, which are being detailed by By/A.I.D. Other assembly as standard W.III. production. We should like a… | ||
| scan0109 | Test report from a 250-mile weekend run detailing various vehicle faults. | ||
| View original record | Y 600 To Rm/FD. from Rm/Gry. (For Log Book). c. Rm/Wym. Rm/Gry.3/MH.20.6.38. 25.G.VI. Week-end run of about 250 miles. (1) Speedo shows about 50 miles too little owing to failure. (2) Clutch judders… | ||
| scan0110 | Urgent internal memo requesting modifications to a dynamo drive and connection shaft for a Wraith III gear wear trial. | ||
| View original record | To HPS. from Rm/Swdl. c. Rm/Wym. γ 600 Rm/Swdl.6/MH.20.6.38. WRAITH III (URGENT). Will you please produce the following pieces as soon as possible for trial in connection with gear wear on the above.… | ||
| scan0111 | Instructions to replace a Venturi cylinder head with a standard one and replace rear end felts due to a suspected lack of power. | ||
| View original record | γ 600 To HPS. from Rm/Swdl. c. Rm/Wym. Rm/Swdl.1/MH.20.6.38. 28.C.VI. Will you please carry out the following on the above car when it comes into the shop. (1) Venturi type cylinder head to be removed… | ||
| scan0112 | Required repairs for a Wraith car (25.G.VI) with issues in the gearbox, rear axle, and exhaust silencer. | ||
| View original record | To HPS. 600 Rm/Wym.6/JH.20.6.38. Wraith Car 25.G.VI. We are sending the above car into the fitting shop for attention to the following jobs - (1) Check over relative alignment of engine and change… | ||
| scan0113 | Request to release road wheels and propeller shafts for Wraith 'A' and 'B' series chassis. | ||
| View original record | 600 BY/GRL c. Roy. c. RHC. c. Rm. BY.S/N.22.6.38. Wraith - 'A' and 'B' series Chassis. *************************************** Will you kindly release road wheels with 30° cone angle for 'B' series,… | ||
| scan0114 | Under-utilization of Experimental Wraith Cars and suggesting a solution. | ||
| View original record | SECRET. 600. Hs. from Rm. Rm8/R.23.6.38. Experimental Wraith Cars. We have now got to a position where, from an economy point of view, we cannot justify the number of cars in the Experimental Dept. We… | ||
| scan0115 | Sending a Wraith car to the fitting shop for examination of a gearbox oil leak. | ||
| View original record | 600 To HPS. Rm/Wym.2/JH.27.6.38. WRAITH CAR 25.G.VI. We are sending the above car into the fitting shop for examination of the front end of the gearbox for bad oil leaks, This box has leaked 12 cc's… | ||
| scan0116 | Requesting an inspection of a loose crank slipper wheel on a Wraith car to investigate a gear rattle. | ||
| View original record | 600. To HPS. Rm/Wym.9/JH.28.6.38. Wraith car 25.G.VI. Whilst you have the above car in the fitting shop, will you please dismantle the engine front and examine the crank slipper wheel for being loose… | ||
| scan0117 | Urgent internal request to order dynamo driving blocks with two different hardness levels for vibration testing. | ||
| View original record | 600. To Roy. c. to G/JWH. Rm/Swdl.15/JH.1.7.38. Will you please order some dynamo driving blocks as follows which otherwise are to E.87011 moulded to the driving pins E.88267. 6 with durometer… | ||
| scan0118 | Secret internal memo discussing the acquisition and future use of a Wraith experimental car. | ||
| View original record | 650 SECRET. S/W. Rm. Cx6/KW4.7.38 You will remember when I was last at the Works you mentioned that you wished us to take over one of your Wraith experimental cars. You apparently had in mind the fact… | ||
| scan0119 | Secret memo regarding the handover of a Wraith car for mileage testing before its introduction. | ||
| View original record | 600 SECRET. W/S. Cx. from Rm. Rm5/R.6.7.38. With reference to Cx6/KW.4.7.38., in view of the difficulties attendant upon handing over a Wraith car to Sales' Dept. and the importance of getting some… | ||
| scan0120 | Modified flexible coupling for the Wraith III and Bentley III dynamo drive, aimed at increasing torsional flexibility to reduce noise and wear. | ||
| View original record | BY/NS. c. Rm. c. Rm/Swdl. 600. Cancelled replaced by ExScheme DA.3/G.12.7.38. WRAITH 111 and BENTLEY 111 DYNAMO DRIVE WITH INCREASED TORSIONAL FLEXIBILITY. Please receive herewith E.CD.793 Modified… | ||
| scan0121 | Progress report on the development status of various parts for the Wraith 'B' Series. | ||
| View original record | HHC. O. Ex. C. Rm. 600. DA.2/C.10.8.38. WRAITH 'B' SERIES. Referring to the attached list of parts not yet released by Drawing Office, the following is the present position. Crankcase and Bearings.… | ||
| scan0122 | Modifications and standardisation issues for the Wraith model. | ||
| View original record | 600 By. from Rm. c. RHC. Rm4/R.12.8.38. Modifications to Wraith. We recommend that from now onwards no modifications should be made to Wraith either with regard to material or design alterations… | ||
| scan0123 | Explaining design improvements for the Wraith model regarding the servo brake layout and chassis size. | ||
| View original record | W/S - BKL. from Rm/FD. 600. Rm/FD.1/JH.16.8.38. In answer to your memo. re Wraith Introduction we think that it would be better to explain A & B as follows - (a) The servo and brake layout has been… | ||
| scan0124 | Requesting the return of a typescript regarding the Wraith introduction. | ||
| View original record | 600 S/W Rm/FD...from Bkl. Bkl.1/17.8.38 Thanks for your memo re/Wraith introduction. Can you please let me have back the typescript I sent you. Bkl. | ||
| scan0125 | List of jobs to be performed on a Wraith Car 25.G.VI. | ||
| View original record | 6 600 To HPS. Rm/Wym.10/JH.17.8.38. WRAITH CAR 25.G.VI. As soon as there is a vacancy in the fitting shop we would like to send in the above car for the following jobs :- (1) Fit 9 : 41 ratio rear… | ||
| scan0126 | Modifications for the Wraith car, including rear axle packing pieces and a new clutch operation method. | ||
| View original record | To HPS. 600. Rm/Wym.9/JH.17.8.38. WRAITH CAR MODIFICATIONS. There are still one or two points on the Wraith cars where we are behind production specification. Two items to mind are the 2° packing… | ||
| scan0127 | Wraith model, questioning the change from a worm gear to a skew gear for the distributor and oil pump. | ||
| View original record | SECRET. To Lk from Sg. Copy to Hs.EY. RHC.Hu.Mx.C/CX 600 Wraith. Sg10/H23838 Thanks for Ls4/T17.8.38. Although this does not call for any special comment from me, nevertheless I am very glad to have a… | ||
| scan0128 | The testing and modifications of the first 24 Wraith chassis. | ||
| View original record | W/S Sg He c BY c RHC c Rm c MS WRAITH We have now completed the testing of the first 24 Wraith Chassis. These chassis have undoubtedly gone through test better and with far less troubles than any new… | ||
| scan0129 | Chassis performance, detailing issues and improvements over previous models. | ||
| View original record | -2- We also consider the taper packings under the axle are necessary although none of the chassis gave trouble with the 47 m.p.h. vibration. We have had experience of this on Experimental Cars and… | ||
| scan0130 | Requesting a list of improvements for the next series of 'Raith' car material before ordering in November. | ||
| View original record | 600. RH/CFY. RH/FB. RH/AFG. RH/JSU. RH/FLD. RH/Sym. RH/TLC. RH/WH. RH/GC. RH/WHS. RH/ds. RH/AC. RH/P.25.8.38. RAITH MATERIAL. We have to order the next series of Raith material in November, and we… | ||
| scan0131 | Cover note for a memo regarding the tendency for parts to go into production before being fitted to experimental cars. | ||
| View original record | 600. HPS. from Rm. Rm8/R.29.8.38. Herewith a copy of a note which I circulated to counteract the growing tendency for pieces to go on production before they have ever been fitted to experimental cars.… | ||
| scan0132 | Unauthorized modifications to the Wraith model and emphasizing adherence to standardization sheets. | ||
| View original record | COPY. By. from Rm. c. RHC. 600 Rm4/R.12.8.38. Modifications to Wraith. We recommend that from now onwards no modifications should be made to Wraith either with regard to material or design alterations… | ||
| scan0133 | The replacement of wheel discs and nuts for the Wraith III model, including a list of new features. | ||
| View original record | 600 also 1159. BY/Ald.11/G.1.9.38. c. Rm/GRL. WRAITH 111. SECTION 6170. REAR HUB. SECTION 7044. FRONT HUB. Please receive herewith two blueprints of each of the following drawings :- Ex.S.984 Wheel… | ||
| scan0134 | General description of the steering system on the 25/30 HP Wraith and instructions for removing the steering column and box. | ||
| View original record | File. 600. STEERING. General Description. The steering on the 25/30 H.P. Wraith is of the "worm and roller" type. It is mounted on the frame by means of a special bracket, to which it is clamped. All… | ||
| scan0135 | Cross-section drawing of a Steering Box & Cam & Roller Mechanism. | ||
| View original record | STEERING BOX & CAM & ROLLER MECHANISM. D E F G H | ||
| scan0136 | Cross-sectional diagrams of a mechanical assembly featuring a pendulum lever. | ||
| View original record | A B C D E F G H J PENDULUM LEVER | ||
| scan0137 | Instructions for dismantling and adjusting the steering system. | ||
| View original record | -2- Dismantling Steering. (1) Hold steering column and box in vice with special clamp. (2) Remove control levers at bottom of box. (3) Undo nut at bottom of stationary tube and drive stationary tube… | ||
| scan0138 | Instructions for steering adjustments, including cam location, bearing tightness, and mesh with the roller. | ||
| View original record | -3- Steering Adjustments Cont'd. (2) Location of cam. With Rocker shaft removed, assemble cam with 0.050 washer at D Fig. Re-assemble rockershaft and bring cam into mesh with roller, by rotating… | ||
| scan0139 | Instructions for steering column installation, adjustments, and wheel alignment. | ||
| View original record | -4- Adjustments when Column and Box are installed. (a) Positioning Steering Wheel. Set the cam tube equidistant from both locks, so that the cam and roller are at the "tight spot". This will be about… | ||
| scan0140 | Instructions for fitting and adjusting the side and cross steering tubes and joints. | ||
| View original record | -5- Tracking Car. Cont'd. (5) Fix cross steering tubes in position with castellated nut and split pin, securing adjustable sockets with clamping bolt and nut. The side steering tube can now be fitted.… | ||
| scan0141 | Instructions for steering system lubrication and the removal of the pivot pin and bearings. | ||
| View original record | -6- Rm/Cr.8/MH.2.9.38. Lubrication. All the steering joints are lubricated from the one shot chassis lubrication system. The steering box should be filled to the level of the filler plug with Price's… | ||
| scan0142 | Instructions for removing the front suspension springs. | ||
| View original record | -7- FRONT END SUSPENSION. General Description. The front wheel suspension consists of horizontal coil springs, enclosed in a casing which forms both the spring housing and hydraulic shock absorber… | ||
| scan0143 | Instructions for removing front springs, needle roller bearings, and fulcrum pins for upper and lower triangle levers. | ||
| View original record | -8- Removing Front Springs - Cont'd. (10) Remove all 5/16 nuts from main spring housing and withdraw complete with springs and tackle. (11) Slack off spring compressor and remove springs. Removal of… | ||
| scan0144 | Instructions for fitting adjusting washers, the operation of front shock dampers, and related service maintenance. | ||
| View original record | -9- Rm/Cr.8/MH.2.9.38. Fitting Adjusting Washers. Top. The adjusting washers A Fig. should be of such a thickness as to allow .004 - .008 sideways movement of the yoke piece C when bolt D is tightened… | ||
| scan0145 | Service maintenance instructions for the damper governor system and front suspension. | ||
| View original record | -10- Rm/Cr.8/MH.2.9.38. Service Maintenance - Cont'd. previously described, and the inside of the spring housing and damper thoroughly cleaned. The union on the pipe from the damper governor should be… | ||
| scan0146 | Instructions for the removal and dismantling of the rear axle pinion bearing assembly for the 25/30 Wraith chassis. | ||
| View original record | -11- Rm/Cr.8/MH.2.9.38. Rear Axle and Prop. Shaft. General Description. A fully floating rear axle is used on the 25/30 Wraith chassis, with a four star differential. SERVICE ATTENTION. Removal of… | ||
| scan0147 | Instructions for the removal and replacement of pinion bearings and rear axle drivers. | ||
| View original record | -12- Removal of Pinion Bearing. Cont'd. To rebuild the pinion and bearings reverse the previous operations. When assembled there should be a .002" nip on the pinion bearing. To attain and check this… | ||
| scan0148 | Establishing the official procedure for introducing modifications to the Wraith model using standardisation sheets. | ||
| View original record | RHC Rm. Dev. BY/Mon BY/NS 600 BY.6/G.6.9.38. Rm WRAITH. INTRODUCTION OF MODIFICATIONS. The position of Wraith development has reached the stage at which we must arrange for any further improvements to… | ||
| scan0149 | Secret memo requesting a performance comparison between the 25/30 model and the new Wraith. | ||
| View original record | 600 SECRET. S/W. Rm/Gry. Cx6/KW6.9.38 We are very anxious to have some information on the relative merits of the 25/30 of the past and the Wraith now coming into production, particularly as regards… | ||
| scan0150 | Performance comparison memo of the Wraith model against the 25/30, covering acceleration, speed, handling, and gearbox improvements. | ||
| View original record | 600 W/S. Cx. from Rm/Gry. Rm/Gry5/R.7.9.38. W R A I T H. Cx6/KW.6.9.38. The acceleration of the Wraith on top gear is not as good as the 25/30. There has been much correspondence between Sg. and Mx.… | ||
| scan0151 | Internal circulation memo requesting the return of a document copy. | ||
| View original record | EA/FM. EA/IET. EA/EAC. EA/FD. EA/Std. EA/JSS. CAM/undl. EA/lyn. EA/TJH. EA/GH. EA/SC. EA/CTS. J EA/Div.S/WW.G.S.F.R. 1600 EXKITE MATERIALS. Will all those who have not returned their copy of… | ||
| scan0152 | The replacement of hard dynamo coupling rubbers with softer ones on Wraith III units. | ||
| View original record | 600 To By. from Rm/Swdl. c. RHC. c. Roy/Ms. Rm/Swdl.14/MH.14.9.38. (WRAITH III) DYNAMO COUPLING RUBBERS). Will you please fit the softer dynamo drive rubbers EW.1927 to Wraith III units as soon as… | ||
| scan0153 | Internal query about the Wraith's ground clearance, turning circle, and fuel consumption, with handwritten answers. | ||
| View original record | Secret. F.D. when are answers to para 1 600 S/W. Gry. re- Wraith. Cx12/KW14.9.38. CC Would you be good enough to let us know what is the ground clearance of this car, also the turning circle to left… | ||
| scan0154 | List of possible 'C' series modifications for the Wraith model. | ||
| View original record | 600 also Hoo b To By. from Rm. c. RHC. Rm.4/MH.16.9.38. MODIFICATIONS TO WRAITH. To give production some indications of possible 'C' series modifications, the attached list has been produced. You will… | ||
| scan0155 | List of certain and probable improvements for the Wraith 'C' Series. | ||
| View original record | To By. from Rm/Gry. c. RHC. Rm/Gry.5/MH.16.9.38. Ihm / ISH WRAITH. 'C' SERIES IMPROVEMENTS. CERTAIN. (1) Carb drain pipes. ECD.895. YES 8.B.V. (2) 36 slot dynamo. } ALREADY ON 8.B.V. (3) 2½ turn… | ||
| scan0156 | List of possible component and system modifications with handwritten annotations indicating their status. | ||
| View original record | -2- Rm/Gry.5/MH.16.9.38. POSSIBLE. (1) Lower geared steering. (2) Roller follower F.89511. (3) Pin synchromesh. no cars. (4) Front damper valves ExS.827/8/9. No (5) New exhaust system. NOT MORE THAN… | ||
| scan0157 | Specification sheet for the Wraith model detailing turning circle, ground clearance, and consumption figures. | ||
| View original record | SECRET. 600 W/S. To Cx. from Rm/Gry. Rm/Gry.3/MH.16.9.38. WRAITH. Cx.12/KW.14.9.38. The turning circle both left and right is 46½ feet. The ground clearance (lowest) under the rear axle is 8". It is… | ||
| scan0158 | Comparative data table of various cars, detailing weight, speed, horsepower, and wind resistance. | ||
| View original record | 600 CAR. TOTAL WT. 2 PASS: ROAD WHEEL HP. AT MAX. LAP SPEED. MAX. LAP SPEED WEIGHT ON FRONT WHEELS TONS. FRONTAL AREA OF CAR SQ. FT. Windage & Tractive Resis. M.P.H pr H.P. Factor b. C. FRONTAL AREA… | ||
| scan0159 | Schedule and alterations for the Wraith 'C' Series chassis detail drawings. | ||
| View original record | To Ry & Rm.......From RHC. 600' RHC.1/MC.22.9.38. WRAITH "C" SERIES In accordance with the completed Chassis Instruction Schedules, Drawing Office release of all detail drawings for the above series… | ||
| scan0160 | Confirming a list of new and old standardized parts for the Wraith 'C' Series will be arranged. | ||
| View original record | RHC. c. Rm. BY/Mtn26/N.29.9.38. Wraith 'C' Series. Km 600- Referring to your memo RHC.1/MC.22.9.38, we will arrange to let you have a list of new and old parts for the items that may be standardised… | ||
| scan0161 | Work instructions for modifications to a Wraith car 25.G.VI, including brake, exhaust, and clutch mechanisms. | ||
| View original record | To HPT. Rm/Wym.7/JH.30.9.38. 600. Wraith car 25.G.VI. We wish to send the above car into the fitting shop for the following work to be done. (1) Fit damper to brake mechanism as per… | ||
| scan0162 | Querying a discrepancy in the ground clearance measurement for the Wraith model. | ||
| View original record | 600. S/W. Rm/Gry. "Wraith". Cx3/KW5.10.38. There seems to be a slight difference of opinion between you and LA as to what the ground clearance of this car really is. Your note to me Rm/Gry.3/MH16.9.38… | ||
| scan0163 | Confirming the 8-inch ground clearance for the Wraith model when empty. | ||
| View original record | 600 W/S. To Cx. from Rm/Gry. Rm/Gry.2/MH.6.10.38. WRAITH. Cx.3/KW.5.10.38. The figure of 8" for the ground clearance is correct when the car is empty. Any less figure is due to a certain number of… | ||
| scan0164 | Instruction to examine a leaking gearbox and fit a new clutch lining on a Wraith car. | ||
| View original record | 600 To HPS. Rm/Wym.11/JH.13.10.38. Wraith car 25.G.VI. Whilst you have the above car in the fitting shop, in addition to the work called for in Rm/Wym.7/JH.30.9.38. will you please dismantle and… | ||
| scan0165 | Various performance and fault issues with a car under investigation. | ||
| View original record | 600 Rm/Wym. from Rm. Rml/R.24.10.38. 25.G.VI. 23 gallons of petrol were added to this car. I should like to know the petrol consumption as this seems to be slightly better than previously. The clutch… | ||
| scan0166 | Proposal of work to be carried out on Wraith car 25.G.VI. | ||
| View original record | 600 To HPS. Rm/Wym.6/JH.28.10.38. Wraith car 25.G.VI. We are proposing to put the above car in the fitting shop on Monday next for the following work to be done. (1) Fit flexible flywheel as per… | ||
| scan0167 | Report listing six specific faults and issues observed on a vehicle. | ||
| View original record | 600 To Rm/FD. for Log Book. c. Rm/Wym. Rm/Gry.5/MH.31.10.38. 25.G.VI. A few points noted on this car were (1) Two engine periods worse on overrun at speedometer speeds of 52 and 42 in 3rd. (2) Clutch… | ||
| scan0168 | Standardization of parts for the Wraith 'C' Series. | ||
| View original record | 600 To Rm/AFW from Rm/Gry. Rm/VJH. Rm/Std. Rm/Swdl. Rm/RC. Rm/Wym. Rm/Gs. c.c. Bx. c.c. Hoy/Les. Rm/Gry.3/MW.4.11.38. WRAITH "C" SERIES. It has been decided to standardise the following:- Carburetter… | ||
| scan0169 | Standardization of the brake damper for the Wraith 'C' Series. | ||
| View original record | 600 Da. from Rm/AFM. c. Ry/CRL. c. Ry/Ald. c. Roy/Les. Rm/AFM2/R.5.11.38. WRAITH 'C' SERIES. It has been decided to standardize the brake damper SCD.805. Will you please give all the details… | ||
| scan0170 | Release instructions for the Wraith 'C' Series - 300 Chassis, detailing exceptions from the 'B' series. | ||
| View original record | E. Dept. F. Dept. ~~G. Dept.~~ ~~P. Dept.~~ ~~C. RHC.~~ ~~C. Roy.~~ C. Rm. 600. BY.1/N.5.11.38. Wraith 'C' Series - 300 Chassis. ------------------- Will you please release instructions for the above… | ||
| scan0171 | Delays in releasing nuts for the rocker cover and the petrol pipe line. | ||
| View original record | -2- BY.1/N.5.11.38 Cont'd. The nuts on the rocker cover should be held up as we anticipate being able to release the Dixstampo parts during the next week or ten days. The Petrol Pipe line should be… | ||
| scan0172 | Instructions for the Wraith 'C' Series regarding carburetter drain pipes and the starting handle bracket. | ||
| View original record | 600 E.Dept. F.Dept. G.Dept. D.Dept. c. RHC c. Roy. c. Rm. BY.10/N.8.11.38. Wraith 'C' Series. Further to our memo BY.1/N.5.11.38, kindly note the following should be instructed for 'C' series:-… | ||
| scan0173 | Delays in the release of parts for the Wraith Chassis 'C' Series. | ||
| View original record | 600 I am dealing with this with To By. & Rm. From RHC. RHC.1/MD.14.11.38. WRAITH CHASSIS - 'C' SERIES. In accordance with signed Instruction Schedule for above, issue of detail drawings should be… | ||
| scan0174 | Release date for Exhaust System and Water Pump sections. | ||
| View original record | -2- With regard to the release date for the Exhaust System and Water Pump sections, it is necessary that the LOP's for the last 200 sets be issued before December 31st. 1938. RHC. | ||
| scan0175 | The issuance status of outstanding sections for the Wraith 'C' Series, particularly the Propeller Shaft. | ||
| View original record | 600 RHC. c. Rm. BY.28/N.17.11.38. Wraith 'C' Series. Clry Referring to your memo RHC.1/MD.14.11.38 all the complete sections referred to have been issued, excepting 6110 and 6152, and the latter will… | ||
| scan0176 | Material release schedule and outstanding items for the Wraith 'C' Series production. | ||
| View original record | 600 To BY. c. Rm. WRAITH 'C' SERIES. In accordance with the completed Material Release Schedule, all D.O. instructions for the above Series should have been completed by November 19th. This matter was… | ||
| scan0177 | Material and modifications for the Wraith 'C' Series, detailing parts affected in different departments. | ||
| View original record | RHC. o. RHC/GL. c. Rm. BY.1/G.25.11.38. 600 WRAITH. RE: MATERIAL FOR 'C' SERIES. Referring to RHC/GL.1/FH.24.11.38. I have gone into the position raised in the memo in question, and the position is as… | ||
| scan0178 | Internal report detailing part lists, design changes, and tooling updates for various departments. | ||
| View original record | - 2 - BY.1/G.25.11.38. (2). G. Department. (Cont'd) Section 6000. GB.2090 Thrust Pad. GB.2091 Release Bearing Carrier. GB.3796 Pin. Operating Lever. GW.2136 Operating Shaft. GW.2060 Operating Lever.… | ||
| scan0179 | Requesting a reply regarding a price reduction for Shock Damper Bellows for the Wraith III 'C' Series. | ||
| View original record | A.F.M 600 Please reply Rm. ROY/Ms.2/P/25.11.38. Rm WRAITH III - "C" SERIES. I shall be pleased to receive a reply to my note ROY/Ms8/P.9.11.38. with reference to the Shock Damper Bellows F.85395 ex… | ||
| scan0180 | List of mileage figures for Wraith vehicles up to the Motor Show on October 24th, 1938. | ||
| View original record | 600. Copy for files. Rm/FD. ...... 29.11.38. 1938. Wraith mileage figures up to the Motor Show Oct. 24th. Hs. WXA.2. 15,039. Sg. WXA.1. 13,000 24.G.6. 28,970 25.G.6. 22,647 26.G.6. 33,045 27.G.6.… | ||
| scan0181 | Instructing the Repair Department to carry out urgent modifications on an experimental Wraith chassis 25.G.VI. | ||
| View original record | 600 To Hd. - Repair Dept. Rm/Wym.7/JH.30.11.38. We are sending over to you an experimental car, Wraith chassis 25.G.VI. to which we should like you to do the following work - (1) Dismantle crankshaft… | ||
| scan0182 | Instruction to release the Distributor and its connected parts for the first 100 Wraith 'C' Series chassis. | ||
| View original record | 600. BY/HD BY/GE c. Rm. Rm/Rc. Service BY.17/N.8.12.38. Pay Wraith - 'C' Series. The only parts not released for the first 100 chassis on 'C' series, is the Distributor, and certain parts connected… | ||
| scan0183 | The change of flywheel marking from B.A.I. to IGN for the Wraith and Bentley V models. | ||
| View original record | To By/CS. from Rm/Swdl. 600 c. NW. c. Da/McS. Rm/Swdl.4/MH.9.12.38. FLYWHEEL MARKING. There has been a request that the B.A.I. mark on Wraith be altered, also applying to Bentley V, as it is now… | ||
| scan0184 | Questioning the maximum speed limitation of Wraith cars. | ||
| View original record | 600. -Rm To HY, from Sg. Copy to Hsv.Rm.Mx. Cx. re Wraith Cars. Sg2/E151238 I attach copy of memo. from Cx. We might discuss this matter when I am at Derby next week. I do not quite understand why… | ||
| scan0185 | Criticisms regarding the performance and springing of Wraith cars. | ||
| View original record | Sg. Wraith Cars. Cx14/KW13.12.38. I have not personally seen any very serious criticisms of the Wraith rising out of demonstrations we have given so far, but the general tendency of criticism is that… | ||
| scan0186 | Faults found with a car, including governor, springing, and gearbox issues. | ||
| View original record | - 2 - Cx14/KW13.12.38. it was found that due to the presence of a piece of aluminium under the valve in the governor case the hand control was not functioning at all, but with this restored to its… | ||
| scan0187 | Modifications to a Wraith car's steering and gearbox. | ||
| View original record | 600 To HPS. Rm/Wym.7/JH.19.12.38. Wraith car 25.G.VI. We are sending the above car into the fitting shop for the following jobs to be done. (1) Remove present steering column and fit standard ratio… | ||
| scan0188 | Requesting to fit a Delco distributor and necessary change over parts to chassis 28.G.VI. | ||
| View original record | 600 To HPS. from Rm/Wym. Rm/Wym.1/JH.19.12.38. 28.G.VI. Will you please fit a Delco distributor to Will you please instruct for the necessary change over parts to be fitted. Rm/Wym. | ||
| scan0189 | Status of modifications for Wraith Export Chassis. | ||
| View original record | BT [struck through] RHP [struck through] o Wd [struck through] o Lan 600. LAS/T3.1.39 re. Wraith Modifications With reference to modifications to be carried out on Wraith as laid out in your memo… | ||
| scan0190 | Checklist table tracking the status of work completed on various vehicle components for different chassis series. | ||
| View original record | Chassis No. | Cyl. Head. | Speedo drive gear. | Instr. Patch Lights | Distru. | Prop Shaft & 1st.motion shafts. | Arm't Term'l | Wheel Nuts WKA-11 | Done | Done | Done | | | | WKA-12 | Done | Done |… | ||
| scan0191 | List of modifications to be carried out on the Wraith chassis. | ||
| View original record | Sg... from By. [Struck through text: O. Cx. RHC. Hd. Lt. Rm.] 600 [Signature] BY. 10/N.4.1.39. ---------- WRAITH - MODIFICATIONS. ---------- It is necessary for the following modifications to be… | ||
| scan0192 | Inspection procedures for wheel nuts and fan clearance. | ||
| View original record | -2- BY.10/N.4.1.39 Cont'd. (8) Examination of the wheel nuts should be made to see they are bedding satisfactorily on the wheel cones, and not fouling the spoke heads. (9) Examine fan for clearance to… | ||
| scan0193 | Issuing instructions for exhaust fittings and petrol pump parts for the Wraith 'C' Series chassis. | ||
| View original record | 600 RHC. c. Rm. BY.25/N.5.1.39. Wraith - 'C' Series. Referring to your memo RHC/GL.2/FH.3.1.39, we are issuing instructions immediately for the sections affected by the Exhaust Fittings and Petrol… | ||
| scan0194 | List of retrospective design modifications for the Wraith chassis and associated costs. | ||
| View original record | SECRET. 600. To Sg. Hs. & C. From RHC. c. BY. (Rm) LA. c. Da. Hdy. RHC.1/FH.7.1.39. MODIFICATIONS - WRAITH. We attach hereto list of retrospective design modifications carried out on Wraith Chassis… | ||
| scan0195 | Analysis of Wraith engine characteristics, comparing its performance with a Humber 'Super Snipe' and evaluating different camshaft and induction systems. | ||
| View original record | 600 By. from Rm. c. Da. c. Da/Jnr. c. Rm/Wym. c. Rm/GR. WRAITH ENGINE CHARACTERISTICS. We got a shock the other day when we put the Humber 'Super Snipe' on the dynamometer, and found out what an… | ||
| scan0196 | Technical summary comparing Bentley and Wraith camshafts, exhaust systems, and carburettors. | ||
| View original record | -2- The Bentley camshaft is not as good as the Wraith for idling, but it is not bad in this respect, and maybe with the raised engine mounting we should not notice much difference. We think it is well… | ||
| scan0197 | Test report comparing four different camshafts on a single engine. | ||
| View original record | To Rm. Rm./CTC.5/JH.16.1.39. CAMSHAFTS. Purpose of test. To compare four different camshafts on one engine. Method of Test. The engine used was a normal B.V. unit (B.V. No.1) Other parts in the engine… | ||
| scan0198 | The testing of various camshafts and induction systems, analysing their effect on engine noise and performance. | ||
| View original record | -2- which enables a standard of silence to be maintained which is comparable with the standard Wraith engine. In the case of this experimental shaft, the figure is .010 which represents the 'running'… | ||
| scan0199 | The concluding page of a report on a camshaft comparison and compression ratio. | ||
| View original record | -3- Rm/CTS.5/JH.16.1.39. and compression ratio. In conclusion, we would say that nothing startling is revealed by this camshaft comparison. It is interesting to note the various characteristics for… | ||
| scan0200 | Graph comparing the power output of a Bentley III engine using different induction and exhaust systems. | ||
| View original record | INDUCTION SYSTEM COMPARISON BENTLEY III POWER "ETHYL" PETROL COMP RATIO 6.6 : 1 CAMSHAFT ExS. 759 (TIMING @ .030 CLCE) I.O 5.5' AT E.O 37° B.B I.C 50° AB. E.C 4.5° AT 1 B III INDN. SYSTEM 2 WRAITH… | ||
| scan0201 | Graph comparing the power output and I.B.M.E.P. of different induction and exhaust systems on a Bentley III engine. | ||
| View original record | INDUCTION SYSTEM COMPARISON BENTLEY III POWER 'ETHYL' PETROL COMP. RATIO 6.6:1 CAMSHAFT E.W. 1416 TIMING @ .025 CLCE I.O. 67° AT E.O. 41.3° BB I.C. 39° AB E.C. 78° BT R.M. 522 PISTONS (170) ① B II… | ||
| scan0202 | Graph comparing power curves for different induction and exhaust systems on a Bentley III engine. | ||
| View original record | INDUCTION SYSTEM COMPARISON. BENTLEY III POWER S. 68. COMP. RATIO 6.6:1 CAMSHAFT. EX.31550 (TIMING @ .030 CLCE.) I.O. 3.5° AT E.O. 41° BB. I.C. 46° AB. E.C. 5° AT. R.M. 522 PISTONS (.170) ① B.III.… | ||
| scan0203 | Power curve graph comparing two different camshafts for a Bentley III engine. | ||
| View original record | CAMSHAFT COMPARISON BENTLEY III POWER "ETHYL" PETROL S 64 COMP. RATIO 6.6:1 B III INDN. SYSTEM RM 522 PISTONS (.170) ① CAMSHAFT E.B. 3466 (TIMING @ .030 CLCE) I.O. 4.5° AT E.O. 38° BB I.C. 47° AB E.C.… | ||
| scan0204 | Graph comparing the power performance of two different camshafts for a Bentley III engine. | ||
| View original record | CAMSHAFT COMPARISON BENTLEY III POWER S 65 COMP. RATIO 6.6:1 B III INDUCTION SYSTEM RM 522 PISTONS (.170) "ETHYL" PETROL ① CAMSHAFT E.B. 3466 (TIMING @ .030 CLCE) I.O. 4.5° AT E.O. 38° BB I.C. 47° AB… | ||
| scan0205 | Camshaft comparison power curve graph for a Bentley III engine using Ethyl petrol. | ||
| View original record | CAMSHAFT COMPARISON. BENTLEY III. POWER. S.66 "ETHYL" PETROL COMP. RATIO. 6.6 : 1 B III INDUCTION SYSTEM. R.M. 522 PISTONS (170) ① CAMSHAFT E.B. 3466 (TIMING @ .030 CLCE) I.O. 4 5° AT E.O. 38° BB I.C.… | ||
| scan0206 | Power curve graph comparing the performance of different induction and exhaust systems on a Bentley III engine. | ||
| View original record | INDUCTION SYSTEM COMPARISON BENTLEY III POWER COMP RATIO 6.6:1 CAMSHAFT F.B. 3466 TIMING @ .030 CLCE I.O 45° AT I.C. 47° AB E.O 38° BB E.C 3.5° AT RM 522 PISTONS (170) ETHYL PETROL ① B II INDN. SYSTEM… | ||
| scan0207 | Specification sheet detailing the data for the Humber Super Snipe. | ||
| View original record | To Rm. Rm/FD.1/JH.16.1.39. Herewith data of the Humber Super Snipe R.A.C. rating 27 H.P. Engine. Rating 26.88. Cyls. 6 Bore ins. 3.25. Bore m/m. 83. Stroke ins. 4.72". Stroke m/m 120. Capacity cu/ins.… | ||
| scan0208 | Record of steering ratio and vehicle weight distribution, with a note on dynamometer power curves. | ||
| View original record | -2- Rm/FD.1/JR.16.1.39. Steering ratio 20 : 1. Weight as received c. q. lbs. Front 15 2 7 Rear 16 0 14. Total 31 2 14. Attached dyno. power curves at road wheels. Rm/FD. | ||
| scan0209 | Dynamometer test chart for a Humber Super Snipe showing corrected BHP vs engine RPM. | ||
| View original record | HUMBER SUPER SNIPE DYNO B.H.P AT ROAD WHEELS BAR 755 ROAD WHEELS 6" X 16" TYRE CIRC 85.625 DIRECT-GEAR 4.09 CORRECTED 15°C 50°C 2000 R.P.M. 58.4 55.6 2500 R.P.M. 68.3 64.8 3000 R.P.M. 75.8 70.8 3500… | ||
| scan0210 | Performance calculation sheet for the Humber Super Snipe, analyzing windage and horsepower requirements. | ||
| View original record | To RM. Rm/TAS.2/JH.16.1.39. HUMBER SUPER SNIPE WINDAGE. H.P. required to drive car at 80 m.p.h. - 48.5 H.P. K Assuming RT = 30 lbs/ton. = .00135 RT by Andreau formula = .00124 RT and K by Andreau… | ||
| scan0211 | Road wheel horsepower comparison graph between a Humber Super Snipe and a Wraith 27 G VI. | ||
| View original record | B.H.P. ENGINE R.P.M. TABLE: ENGINE R.P.M. | M.P.H | HUMBER | WRAITH 2000 | 40 | 42 2500 | 50 | 52 3000 | 60 | 62 3500 | 70 | 72 4000 | 80 | 82 GRAPH LABELS: HUMBER WRAITH HUMBER WRAITH TITLE: ROAD… | ||
| scan0212 | List of modifications and fittings for Wraith car 25.G.VI. | ||
| View original record | 600 To HPS. Rm/Wym.6/JH.17.1.39. WRAITH CAR 25.G.VI. We are sending the above car into the fitting shop for the following :- (1) Fit set of raised crown pistons (to be supplied by Rm/Swdl.). (2) Fit… | ||
| scan0213 | Proposed adjustments to steering positions and pedal placement for various car models. | ||
| View original record | 680 and 1300 c. Rm/FD. c. Da/ID. (crossed out) c. Da/Ev. (crossed out) DA.3/G.17.1.39. STEERING POSITIONS. We have carefully investigated the driving positions on 9.B.5, 7.B.5. and 25.G.Vl. with… | ||
| scan0214 | The replacement of a camshaft on chassis 25.G.VI (No.8 Unit). | ||
| View original record | 600 To HPS. Rm/Swdl.21/JH.2.2.39. 25.G.VI. (No.8 Unit). The above chassis is being sent into the shop for change of the camshaft. Existing Wraith III shaft to be removed and Bentley V shaft fitted… | ||
| scan0215 | Material modification for the Wraith Servo system. | ||
| View original record | 600 RHC. L.A. Hd. Rm. Mx. APM BY.12/N.3.2.39. WRAITH - MODIFICATIONS. In addition to the modifications referred to in our memo BY.1/N.4.1.39, will you please arrange for R.A.D.13 material to be fitted… | ||
| scan0216 | Performance improvement experiments on the Wraith model, focusing on the exhaust system, pistons, and camshaft. | ||
| View original record | 605 To Sy. Sg. c. Hs. c. RRC. c. Cx. W/S. c. Sr. W/P. Rm.8/WH.8.2.39. WRAITH PERFORMANCE. In view of Sr's comment on the wraith performance, we have been carrying out some experiments to see what can… | ||
| scan0217 | Policy discussion on improving the Wraith's performance versus other qualities like silence and smoothness due to competition. | ||
| View original record | -2- RM.8/MH.8.2.39. Briefly, improving the Wraith performance is now entirely a matter of policy. We have always taken up the attitude that performance was the last thing to worry about on this car,… | ||
| scan0218 | The introduction of a Bentley V type Camshaft for the Wraith 'G' Series. | ||
| View original record | 600. BY. & Rm. From RHC. Sg. Hs. Cx. RHC.3/FH.17.2.39. WRAITH PERFORMANCE. With reference to Sg.10/E.10.2.39. if a decision can be made immediately regarding the introduction of Bentley V. type… | ||
| scan0219 | The performance of the Wraith and arranging a discussion for improvements. | ||
| View original record | Handwritten: 600? To Rm. from Sg. Copy to Hs. EV. [Struck through] BHC. Cr. Sr. [Struck through] Wraith Performance Sg10/E10239 Handwritten in red: 600 Referring to Rm.S/MH.8.2.39 I have not seen Sr's… | ||
| scan0220 | Delay in deciding on Wraith performance alterations pending the completion of tests. | ||
| View original record | 600 To-RHS. from Sg. C. to HY.Rm.Hs.Gx. Wraith Performance. Sg5/E20239 Referring to REC.3/FH.17.2.39, I am afraid it is not possible to give an immediate decision because, as discussed at Derby last… | ||
| scan0221 | Forwarding a note from Mr. Caswell giving his impressions of the Wraith car. | ||
| View original record | 600 By. from Rm. c. Da. c. Mx. Rm7/R.11.3.39. Herewith a note from Mr. Caswell giving his impressions of the Wraith car. Rm. | ||
| scan0222 | Driving impressions and feedback on a 28.G. Wraith car after 3,000 miles. | ||
| View original record | To Rm. from Rm/EWC. "WRAITH IMPRESSIONS." You asked me to tell you what I thought of R.R. cars. So far I have driven 28.G. Wraith about 3,000 miles - have not yet handled Bentley or P.III. Here are my… | ||
| scan0223 | Steering characteristics, specifically the 'nibbling' issue, comparing US and UK car models. | ||
| View original record | Cont'd. STEERING. -2- Rm/EWC3/R.10.3.39. The steering ratio is entirely different from the U.S. variety. Most of those are too low for speed. The Wraith, to me, appears too high for easy parking. The… | ||
| scan0224 | Performance review of the Wraith model's springing and roadability. | ||
| View original record | Cont'd. -3- Rm/EWC3/R.10.3.39. SPRINGING. The springing, I think, is excellent. One gets a most comfortable ride. Driving fairly fast the bumpers strike quite a bit, but that is what they are for.… | ||
| scan0225 | Sending Wraith car 25.G.VI into the fitting shop for a Humber type exhaust system. | ||
| View original record | 600 To HPS. from Rm/Wym. Rm/Wym.1/MH.14.3.39. WRAITH CAR 25.G.VI. We are sending the above car into the fitting shop to have a Humber type exhaust system fitted. Rm/Wym. will supply the system.… | ||
| scan0226 | Modifications to convert a Wraith engine to a 3¼' bore for a Rationalised Programme. | ||
| View original record | 600. By. from Rm. c. Da. Rm3/R.18.3.39. 3¼" Bore Engine for Rationalised Programme. Will you please arrange for Da/McS. to look into the modifications necessary to convert the Wraith engine into a 3¼"… | ||
| scan0227 | Decision on introducing engine alterations for the Wraith performance model. | ||
| View original record | Rm To RHC. from Sg re Wraith Performance. Copy to EY.Rm.Hs. Sg8/E20339 602 Referring to RHC.3/FH.17.2.39 and Sg5/E20239 if a prompt decision were come to, to embody in production the same engine… | ||
| scan0228 | Production schedule and material scrap costs for the Wraith 'C' Series. | ||
| View original record | 600 TO Sg. From RHC. Hs. BY. & Rm. RHC.2/FH.22.3.39. WRAITH 'C' SERIES. With reference to Sg.8/E.20.3.39. the position of the above has changed since the previous notes were circulated because 'C'… | ||
| scan0229 | Engine repair instructions for a Wraith III No. 3 unit. | ||
| View original record | 600 To HPS. from Rm/Swdl. c. Hd. c. Rm/FD. c. Rm/CTS. 24.G.VI (WRAITH III NO.3 UNIT). This car is being sent in to the Repair for various jobs to be carried out prior to being handed over to the… | ||
| scan0230 | Modifications to engine and gearbox mountings on car 24.O.6. | ||
| View original record | 600 To Hd. c. to Hs/Lg. c. to Hy. c. to Mr. Barkworth. Rm/FD.8/JH.27.3.39. re 24.O.6. We propose handing the above car to the Repair Dept. on Tuesday the 28th. together with the new cylinder liners… | ||
| scan0231 | Performance comparison test between two Wraith models, focusing on acceleration and engine smoothness. | ||
| View original record | 600 S/W Rm Sgr c. to C. c. " Hs. c. " BY. c. " Rm. c. " Mx. Wraith Performance. Cx12/KW28.3.39. I took the opportunity again to-day of making a second test of your car, and on this occasion took… | ||
| scan0232 | The material release schedule for the Wraith 'D' Series. | ||
| View original record | 600 BY. & Rm. From RHC. RHC.4/FH.28.3.39. WRAITH. With reference to our conversation on Release of Material for 'D' Series, this is scheduled to take place early in August, 1939. since Production… | ||
| scan0233 | Test run report detailing issues with carburation and the clutch. | ||
| View original record | 600. To Rm/FD. (FOR LOG BOOK). c. Rm/TAS. Rm/Gry.1/MH.12.4.39. WEEK END RUN ON 25.G.VI. Apart from two criticisms this is a very good car, quiet and comfortable. Carburation. Immediately after a cold… | ||
| scan0234 | Comparative performance and oil temperature test report for two vehicles at Brooklands. | ||
| View original record | 600, 600c & 1320 1st. page only, sent out To By. c. to Sg. c. to Hs. c. to Da. c. to Mx. Rm/sym.10/Jh.25.4.39. 28.G.VI. & 29.G.VI. at Brooklands. The above 2 cars were taken down to Brooklands track… | ||
| scan0235 | Oil temperature test results from 7 consecutive laps, comparing engine performance with a Tin bottom half versus an Aluminium bottom half. | ||
| View original record | -2- Rm/Wym.10/JH.25.4.39. Oil temperature tests were obtained by running each car for 7 consecutive laps at full throttle in top gear and recording the figures each lap as follows :- 28.G.VI. 29.G.VI.… | ||
| scan0236 | Comparative water temperature tests on two Wraith cars, 29.G.VI and 28.G.VI. | ||
| View original record | 600, 600 c-t 10HH To By. c. to Hs. c. to Dx. c. to Es/JNR. Rm/Wym.9/JH.3.5.39. Wraith car 29.G.VI. Cast Iron Engine Unit B.60 No.2. We have just run comparative water temperature tests on six hills… | ||
| scan0237 | Complaints regarding insufficient undershielding on the Wraith, causing mud to cover the engine. | ||
| View original record | Handwritten: WALKER. See me is there any justification for this criticism? By 600. S/W. BY. Cx16/KW/3.5.39. I should like to draw your attention to the fact that certain complaints have been levelled… | ||
| scan0238 | Responding to a complaint about ineffective undershielding on a Wraith model, asking for the location of mud entry. | ||
| View original record | 600. W/S - Cx. c. to By. Rm/IMW.10/JH.11.5.39. Replying to your memo. Cx.16/KW.3.5.39. this is the first time any complaint of ineffective undershielding on Wraith has come to our notice, none having… | ||
| scan0239 | Request to manufacture a set of undershields for car 28.G.VI based on verbal instructions. | ||
| View original record | 600. l To HPS. Rm/Ed.20/JH.11.5.39. 28.G.VI. Will you please make up a set of undershields for the above car to verbal instructions by Rm/ABR. Rm/Ed. | ||
| scan0240 | Requesting a trial set be made of a cheaper dynamo drive scheme (SCD.1040) for the Wraith or B.V. model. | ||
| View original record | 600. To HPS. from Rm/Swdl. c. HPS/aH. c. By/Ald. Rm/Swdl.4/MH.13.5.39. WRAITH OR B.V. DYNAMO DRIVE. Some time ago By/Ald. produced a cheapened scheme of dynamo pinion and drive which reduces the… | ||
| scan0241 | Engine cleanliness issues and the feasibility of an under tray for the Wraith model. | ||
| View original record | 600 hold W ALLER To Rm... from Rm/GWH. Rm/GWH.11/N.18.5.39 Wraith - Engine Cleanliness. I have made enquiries at N. regarding the question of dirty Wraith engines. There has been one or two comments… | ||
| scan0242 | Multiple faults found in a vehicle after a weekend run. | ||
| View original record | 600. To Rm/FD. from Rm/Gry. c. Rm/Wym. Rm/Gry.1/MH.5.6.39. WEEK-END RUN - 25.G.VI. This car will soon degenerate into the category of 6.B.IV. unless various things are put right. The side shake of the… | ||
| scan0243 | Parts and blueprint list for the Wraith III chassis, covering dynamo, crankcase, and wheelcase sections. | ||
| View original record | 600 HRC. c. Rm. op.Rm./S.Wd. By/Ald.1/AW.7.6.39. WRAITH 111 CHASSIS. Section 8070 - Dynamo Armature. Section 5100 - Dynamo Drive. Section 5000 - Crankcase. Section 5180 - Wheelcase and Fittings.… | ||
| scan0244 | Parts list grouped by section, detailing part numbers, names, and quantities. | ||
| View original record | -2- By/Ald.1/AW.7.6.39. Section 5100. EXS.769. Plunger. - - - - - 1 off. KB.3581. Nut. - - - - - 3 " K.4602. S.Pin. - - - - - 3 " KB.3811. Stud Coupling. - - - - - 4 " K 9005. S.Washer. - - - - - 4 "… | ||
| scan0245 | Parts list and instruction memo with quantities for various components. | ||
| View original record | -3- By/Ald.1/AW.7.6.39. Section 5100. All parts enumerated on LOP. EW.1438. Section 5180. EW.1628. Wheelcase. - - - - 1 off. Section 8070. DB.1091.DC. Fan Dynamo Drive. - - - - 1 " DB.1096. Coupling -… | ||
| scan0246 | Engine misfiring issue caused by a faulty Lucas distributor, which was resolved by fitting a Delco distributor. | ||
| View original record | 600 also Elec. To By. o. to Da. c. to By/RD. RM/WB.2/JH.10.6.39. Rm/Wym. reported 25.G.VI. was misfiring as the heat of the engine increased and that the cause may be due to the coil overheating… | ||
| scan0247 | Comparative report on petrol consumption and performance tests of cars 3.B.50 and 28.G.VI at Brooklands. | ||
| View original record | 650 1320 8006 To By. from rm/wym. C. Hs. C. Da. C. Da/Iv. RE/wym.S/WH.10.6.39. 3.B.50 and 28.G.VI. AT BROOKLANDS. The above 2 cars were taken down to Brooklands Track on Wednesday last for comparative… | ||
| scan0248 | Comparison of acceleration times and lap speeds for different exhaust and carburetor configurations. | ||
| View original record | TWIN EXHAUST SYSTEM. 2 - 1.750" DIA. TAIL PIPES. 1.500" S.U. CARBS. TWIN EXHAUST SYSTEM. 2 - 1.750" DIA. TAIL PIPES. 1.750" S.U. CARBS. SINGLE EXHAUST SYSTEM. 1 - 1.750" DIA. TAIL PIPE. 1.750" CARBS.… | ||
| scan0249 | Calculation of the moment of inertia and centre of gravity for the 28.G model. | ||
| View original record | 650 + 6*6 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 wheels.… | ||
| scan0250 | Diagram and calculations for vehicle moment of inertia and weight distribution. | ||
| 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" 45" 14" 64 3/4" 66 3/4" 2182 LBS 4436 LBS 2254 LBS Moment of Inertia about A - 108,900 lb.ft2 Moment of… | ||
| scan0251 | Investigation into faulty ignition causing misfires on car 25.G.VI. | ||
| View original record | 600 + 601Y. COPY FOR FILES. To Rm. from Rm/RC. Typed 17.7.39. RE FAULTY IGNITION ON 25.G.VI. Owing to a report of misfires on "pick-up" on the above car, an investigation has been carried out on the… | ||
| scan0252 | Moments of inertia and centres of gravity for car models 28.G.VI and 9.B.V. | ||
| View original record | 600, Hood & 400. To Da. from Rm/HFP. c. Da/EV. c. Da/DB. Rm/HFP.6/MH.24.7.39. MOMENTS OF INERTIA. The following information about the Moments of Inertia and Centres of Gravity of 28.G.VI, 9.B.V. and… | ||
| scan0253 | Specifications for car weight, wheelbase, and center of gravity for model 10.B.V. | ||
| View original record | -2- Rm/HFP.6/MH.24.7.39. 10.B.V. Position of Centre of Gravity - 57½" in front of the rear axle and 6.0" above the centre line of the wheels. Weight of car - 4080 lbs. Wheel base - 124" Inertia of… | ||
| scan0254 | The progress and time taken for modifications to Wraith and Bentley chassis. | ||
| View original record | 600? Re. Wraith & Bentley Modifications. With the exception of two, we have now completed the 203 Wraith Chassis which required the stronger type 1st motion shaft to the gear box. With regard to the… | ||
| scan0255 | The status of steering modifications for 200 Bentley chassis. | ||
| View original record | -2- Modifications to Bentley Steering. There were 200 Bentley Chassis which required the steering roller changed and all of these chassis, with the exception of six, have now been attended to. We are… | ||
| scan0256 | The loan and handover of experimental cars during a camp. | ||
| View original record | 600, 1069v, 800b. To Rm/JBD. Rm.12/JH.12.8.39. EXPERIMENTAL CARS DURING CAMP. We have arranged to loan RHC. 28.G. for the fortnight commencing 16th. Aug. We are handing the Humber car over to the… | ||
| scan0257 | Outstanding faults with the Wraith Chassis based on owner complaints. | ||
| View original record | 600 To Sg... from Rm/GWH. c. Hs. c. G. c. By. c. Hm. c. Mx. c. Br. Rm/GWH.1/N.28.8.39. Wraith Chassis. As there are now approximately 400 cars in service and most if not all design modifications… | ||
| scan0258 | Electrical failures including faulty coils, dynamo regulators, and ammeter short circuits. | ||
| View original record | -2- Rm/GWH.1/N.28.8.39 Cont'd. In regard to electrical failures, the chief items have been faulty coils and dynamo regulators sticking. The short circuiting of the ammeter was due to the close… | ||
| scan0259 | Bar chart report summarizing customer complaints for the Wraith model by component. | ||
| View original record | WRAITH COMPLAINT SHEETS REPORTS. N.W.P.NCE. COMPLAINT SHEET UP TO 1.8.39. ENGINE A. TOP OVER OILING FROM ROCKERS B. DELCO REMIE IGNITION MECH. FAULT C. VALVE TIP WEAR. D. VALVE SPRING BREAKAGE. E.… | ||
| scan0260 | Fault analysis chart for the Wraith model, listing issues and their frequency. | ||
| View original record | WRAITH. PETROL PUMPS A. FAILURE ON ROAD - 1 TEMPORARY B. CHANGED. DEPOT. FAULTY - 5, 2 PARIS CLUTCH. A. SHUDDERING SETFINGERS - 1 B. SEIZURE OF OPERATING SHAFT. - 1, 1 PARIS REAR AXLE A. WHEEL NUTS… | ||
| scan0261 | Fault analysis chart for the Wraith model, categorizing issues by system. | ||
| View original record | WRAITH. INSTRUMENTS A. PETROL TANK UNIT SEIZED B. GAUGE FAULTY C. SPEEDOMETER FAULTY D. " CABLE " E. THERMOSTAT FAULTY F. THERMOMETER STICKING G. " CAPILLARY TUBE BROKEN G: 1 A: 18, 12 PARIS B: 1 C:… | ||
| scan0262 | List of reported faults and modifications for the Wraith model, categorised by system. | ||
| View original record | WRAITH. STEERING. A. WORKS MOD. ALL CAM. ROLLERS CHANGED. B. BAD BEDDING OF SIDE STEERING PADS CAUSES OIL LEAK. B FRONT SUSPENSION A. SPRING FOULS INSIDE POT CAUSING GRUNTS. B PACKING WASHER JAMMED… | ||
| scan0263 | Diagram concerning the sticking of the accelerator pedal due to a fouling plate on the Wraith model. | ||
| View original record | WRAITH. STICKING OF ACCELERATOR PEDAL. A. FOULING PLATE. A. D. 1. G.W.H. 5. | ||
| scan0264 | Notification of a price increase for Wraith Cars, listing old and new prices for various models. | ||
| View original record | Hy. Rm. Rey. Gr. D/BP.14/MM.15.4.40. 600 Re Wraith Cars. Increase in Prices. The following information has been submitted in regard to prices for Wraith Cars, which please note for future reference: "… | ||
| scan0265 | Letter to Hinckley Technical College regarding the loan of a Bentley engine for research purposes. | ||
| View original record | 600. Experimental Department. 4.7.40. Rm/CTS.7/JMS. The Hinckley Technical College, London Road, HINCKLEY. For the attention of W.P. Powell, Esq. Dear Sir, With reference to your letter dated July… | ||
| scan0266 | Letter from Hinckley Technical College regarding the loan of an engine for a test bench. | ||
| View original record | Leicestershire County Council Education Committee HINCKLEY TECHNICAL COLLEGE LONDON ROAD, HINCKLEY Principal: W. P. Powell, M.C., A.T.I. Tel. 389 Your ref. Rm/CTS.7/JES. July 8th. 1940. Messrs.… | ||
| scan0267 | Letter to Hinckley Technical College regarding an alteration to the type of engine being loaned. | ||
| View original record | 600 16.7.40. Rm/CTS.8/JMS. Hinckley Technical College, London Road, HINCKLEY, Leics. For the attention of W.P.Powell, Esq. Dear Sirs, Further to our letter dated July 4th, we have had to make an… | ||