Rolls-Royce Archives
| Identifier | Entry | ||
| 06-page01 | Ordering Wraith cylinder liners and piston rings from Messrs. Hepworth & Grandage. | ||
| View original record | To Roy. c. to G/JWH. 619. Rm/Mths.3/JH.4.5.37. Wraith Cylinder Liners. With reference to your memo. ROY/MS.17/P.29.4.37. Will you please pass an official order to Messrs. Hepworth & Grandage for the… | ||
| 06-page02 | Arrangement and proposed testing of coolant jets for the Wraith III cylinder head. | ||
| View original record | SECRET. 619. BY. c. Rm. HFG. Rm/Swdl. E/JNR.1/HP.5.5.37. Cylinder Head Coolant Jets. We send you herewith:- LeC.5664 showing coolant jets arranged for the Wraith III cylinder head. The object of the… | ||
| 06-page03 | Modifications to a Wraith Cylinder Head drawing. | ||
| View original record | SECRET. 619 Swoll See Lee BY. c. Hs. Fm. RHC. HPS. Mr Walker (Pattern Shop). Mr Goodall. DA. E/JMR. E.7/HP.21.5.37. Wraith Cylinder Head. We are sending through a modification drawing for Wraith… | ||
| 06-page04 | Technical note on the interchangeability of a modified head. | ||
| View original record | (sheet 2) With these modifications the head is still interchangeable with the present type. E. | ||
| 06-page05 | Oil consumption performance of the Wraith loose liner cylinder block. | ||
| View original record | Hs. from Hm. c. By. c. RHC. 619 Rm5/R.8.7.37. WRAITH CYLINDER BLOCK. It will be remembered that one of the strong points in favour of the loose liner cylinder block on Wraith was that distortion on… | ||
| 06-page06 | Oil consumption for car GWN 2. | ||
| View original record | COPY. Cx. RC2/L/2.7.37. re: GWN 2 - Oil Consumption. The sump of the above car was full at the speedo reading of 2157. 2703 1 qrt. 3567 1 pt. Miles for month - 1470 to 3 pints of oil - 3760 m.p.g. RC. | ||
| 06-page07 | Record of oil consumption for car GAN 54. | ||
| View original record | COPY. Cx. RC3/L/2.7.37. re: GAN 54 - Oil Consumption. The sump of the above car was full at the speedo reading of 5947. 6585 1 pt. 6814 1 pt. 7094 1 pt. Miles for month - 1147 to 3 pints of oil - 3056… | ||
| 06-page08 | Proposal to modify the cylinder core vents on the Wraith III model by lowering the vent hole plugs. | ||
| View original record | E. Dept. G. Dept. D. Dept. C. TR. C. HRS. C. RMC. C. RM. 619 Fides Card WRAITH III - MODIFIED CYLINDER CORE VENTS. Core Vents. Attached hereto H.CD.90 Modified Cylinder The four vent hole plugs on… | ||
| 06-page09 | Recommendation to modify cylinder core vents for the Wraith, Bentley, and 25/30 HP cylinder blocks. | ||
| View original record | Handwritten: Swde - Which exactly of all the things that you've been tried, is this mod. To BY. & Rm. From RHO/Vs. c. to Hs. c. to Da. c. to HPS. Handwritten: 619 RHO/Vs.2/MJ.25.9.37. Re. WRAITH… | ||
| 06-page10 | Blueprint for a modified cylinder core vent for the Wraith II model. | ||
| View original record | E-CD-90. WE UNDERSTAND THAT A 3.500 DIA. FACE CUTTER IS AT PRESENT USED FOR MACHINING JOINT FACE OF BLOCK, WHICH MEANS THAT A SMALL DIAMETER FACE CUTTER MUST ALSO BE REQUIRED FOR FINISHING FACE… | ||
| 06-page11 | Modified cylinder core vent for the Wraith, considering its application to the Bentley and 25/30 models. | ||
| View original record | 619 By. from Rm. Rm2/R.30.9.37. WRAITH MODIFIED CYLINDER CORE VENT. With reference to RHC/Vs.2/MJ.22.9.37, attached are Swindall's observations on the above modification. Unless the Design has any… | ||
| 06-page12 | The incorporation of vent plugs to reduce porosity and scrap in cylinder block castings. | ||
| View original record | To Rm. from Rm/Swdl. Rm/Swdl.8/AP.30.9.37 The incorporation of the vent plugs similar to those shown on ECD.90 is largely responsible for the improved cylinder blocks from a casting point of view as… | ||
| 06-page13 | Notification of drawing and part changes for the Wraith III Chassis cylinder section. | ||
| View original record | 619. To. RHC. (strikethrough) c. Bra. (strikethrough) c. Eve. (strikethrough) c. Rm/Gry. c. Bakewell (strikethrough) c. RH/SW. (strikethrough) d. W/RB. (strikethrough) HY/C39/EH.30.9.37. Re Wraith III… | ||
| 06-page14 | Continuation page of instructions regarding the dispatch of six sets of parts to L.O.P. | ||
| View original record | HY/CS9/RH.30.9.37 cont'd. (2) Will RHC. please instruct six sets of parts to the above L.O.P. This completes instructions for the above section. HY/CS. | ||
| 06-page15 | Instructions regarding new drawings and the production of parts for Wraith III Chassis water connections. | ||
| View original record | To. [Redacted] c. Hm/Cry. c. [Redacted] c. [Redacted] Handwritten: Swadlincote file 619 BY/CSB/EH.30.9.37. Re Wraith III Chassis - Water Connections - Sec;5190. E.CD.68 - Modified Water and Breather… | ||
| 06-page16 | Request to produce a modified Wraith III cylinder head with different inlet and exhaust valve specifications. | ||
| View original record | To HPS. from Rm/Swdl. 619 Rm/Swdl.1/AP.18.11.37. WRAITH III. Will you please produce a Wraith cylinder head EW.1296 but with 1.5 dia. inlet valves and 1.3 dia. exhaust valves as against the present… | ||
| 06-page17 | Order for six cylinder head joints for the Wraith III model. | ||
| View original record | To Roy. from Rm/Swdl. c. G/JWH. γ 619 Rm/Swdl.4/MH.16.12.37. See 1124 WRAITH III. We have recently been in communication with the Klingerite people and have ordered in our letter Rm/Swdl.15/MH.… | ||
| 06-page18 | Confirming a telephone conversation regarding the urgent production of two Wraith cylinder blocks. | ||
| View original record | To RHC/VS, from Rm/Mths. c. HPS. c. Rm/Wym. 619 Rm/Mths.7/MH.8.1.38. WRAITH CYLINDER BLOCKS. This note is to confirm our conversation over the 'phone this morning that you will produce as early as… | ||
| 06-page19 | Wraith cylinders and high engine mounting for the EW.1580 cylinder blocks. | ||
| View original record | To Rm. from HPS/WSC. 619 HPS/WSC.4/VS.10.1.38. WRAITH CYLINDERS. High Engine Mounting E.CD.273. We have not as yet instructed EW.1580 Cylinder Blocks used in conjunction with the above, realising the… | ||
| 06-page20 | Request to machine 6 Wraith cylinder liners from Phosphor-Chrome material for bore wear tests. | ||
| View original record | To HPS. X 619 Rm/Mths.12/JH.11.1.38. WRAITH CYLINDER LINERS. Will you please machine 6 Wraith liners in Phosphor-Chrome material which we have in the cast condition and can supply to you when you… | ||
| 06-page21 | Modification to the Wraith III cylinder head to create a venturi shape in the inlet ports. | ||
| View original record | WDO C.c. Hm. c. Rm/Swdl. c. RHC/VIG. Pile BY/Ald.9/G.11.1.38. 619 CYLINDER HEAD - WRAITH 111. SECTION 3050. Please receive herewith two blueprints of the following :- Ex.S.357 Modification to Cylinder… | ||
| 06-page22 | Blueprints for a Wraith III cylinder head modification to create a venturi shape. | ||
| View original record | HPS. c. Bm. c. Rm/Swdl. c. RHC/VIC. 619 BY/A1d.9/G.11.1.38. CYLINDER HEAD - WRAITH III. SECTION 5050. Please receive herewith two blueprints of the following :- Ex.S.357 Modification to Cylinder Head.… | ||
| 06-page23 | Recommendation to incorporate the boss for the raised engine mounting on future Wraith cylinder block castings. | ||
| View original record | 619 HPS. from Rm. Rml/R.12.1.38. WRAITH CYLINDERS. High Engine Mounting E.CD.273. With reference to HPS/WSC.4/VS.10.1.38., we recommend that the boss for the raised engine mounting on the cylinder… | ||
| 06-page24 | The casting of experimental Wraith cylinder blocks and associated costs. | ||
| View original record | To Rm. from HPS. £H50 619 £7/10/- HPS.3/EP.28.1.38. WRAITH CYLINDER BLOCKS. In accordance with Rm/Mths.7/MH.8.1.38, the following Experimental Wraith Cylinder Blocks have been cast :- 2 off with… | ||
| 06-page25 | On the difficulty of removing the cylinder head on the Wraith and a proposed modification to the fan assembly. | ||
| View original record | COPY FOR FILES To Rm. from Rm/Cr. 619 8.2.38 It has been found that in order to remove the cylinder head on the Wraith, for decarbonising, it is necessary to split the fan assembly by removing the… | ||
| 06-page26 | Three modification schemes for the Wraith III cylinder head to prevent valve seat warping. | ||
| View original record | BY/HS c. Rm. 619 D4.S/G.30.5.38. WRAITH 111 - MODIFIED CYLINDER HEAD. Please received herewith E.CD.704 Stiffened Valve Seats - Wraith 111. Cylinder Head. The object of this design is to overcome the… | ||
| 06-page27 | Schemes for the Wraith lll and the shared use of its cylinder head with Bentley models. | ||
| View original record | - 2 - DA.3/G.30.5.38. Will you therefore please detail and instruct schemes 1 and 2 as stated above as soon as possible for the Wraith lll production cars. It should be remembered that this cylinder… | ||
| 06-page28 | Comparative list of the number of engine parts for the Wraith and Phantom III models. | ||
| View original record | S/T 619 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… | ||
| 06-page29 | Parts quantity comparison table for the Phantom III and Wraith III models. | ||
| View original record | -2- P.III. Wraith III. Common to Both. Water Connections. 26 14 3 Oil Fttgs. & Pet. D.Pipe 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 Oil… | ||
| 06-page30 | Urgent instruction to modify a Wraith cylinder head to address valve seat warping. | ||
| View original record | To HPS. from Rm/Swdl. c. Rm/Wym. URGENT. Rm/Swdl.9/MH.27.5.38. 610 WRAITH CYLINDER HEADS. In conjunction with valve seat warping, will you please carry out the following on the small valve head which… | ||
| 06-page31 | Urgent memo requesting modifications to the exhaust valve seats on a Wraith cylinder head. | ||
| View original record | 619 URGENT. X To HPS. from Rm/Swdl. c. Rm/Wym. Rm/Swdl.1/MH.31.5.38. WRAITH CYLINDER HEADS. Further to our memo Rm/Swdl.9/MH.27.5.38 in which you opened up the inlet seats of the small valve head to… | ||
| 06-page32 | Modification of Wraith cylinder heads and valves, including comparisons to Phantom III components. | ||
| View original record | To HPS. 649? Rm/Swdl.11/JH,31.5.38. WRAITH CYLINDER HEADS. -6524 or 7360 In connection with the valve seat warping job we are by stages gradually bringing back the original small valve head EX.29685… | ||
| 06-page33 | Request to produce four modified Wraith III cylinder heads with smaller valves to test improvements on valve seat warping. | ||
| View original record | 619 To HPS. Rm/Swdl.19/JH.27.6.38. Wraith III Cylinder Heads. You will note from our report Rm/Swdl.15/JH.25.6.38. that we have recommended reduced size of inlet and exhaust valves on production to… | ||
| 06-page34 | Request to cast 12 liners for a Wraith engine to drawing EW.1000. | ||
| View original record | 619. RHC/Vs. from Rm/CTS. Rm/CTS4/R.8.7.38. Will you please cast 12 liners for Wraith to EW.1000 in R.R. cylinder iron as per our telephone conversation of to-day. Rm/CTS. | ||
| 06-page35 | Index card concerning a cylinder block for W.III and B.III models, with a cross-reference to another file. | ||
| View original record | woll. 619. Da 1/9. 19.9.38 W.III + B.III cylinder block see file 1124. | ||
| 06-page36 | Requesting the inclusion of modified cylinder blocks for Phantom III & Wraith III units. | ||
| View original record | 619 also 419. To HPS. from Rm/Swdl. Rm/Swdl.2/AH.9.9.38. CYLINDER BLOCKS (P.III & WRAITH III.) Will you please include the modified cylinder blocks to MOD.871 on the three new units you are building… | ||
| 06-page37 | Investigation into cracks found in a Wraith model cylinder head. | ||
| View original record | Tg. from Rm. c. Hs. c. Ey. c. RHO. c. Mx. c. Ba. 619 Rml/R.14.9.38. CRACKS IN WRAITH CYLINDER HEAD. Further to Ey/W.10.9.38., we have been investigating the cracks reported on 27.G.VI cylinder head… | ||
| 06-page38 | Valve seat failures in Wraith and Bentley cylinder heads and outlining production recommendations. | ||
| View original record | -2- RM1/W.14.9.38. (3) mal-treatment such as starting up and running full throttle from cold seems to aggravate valve seat failure. (4) We have no evidence to show as yet how much worse, if any, the… | ||
| 06-page39 | Modifications to the cylinder head gasket for the B.111 and Wraith cylinder block. | ||
| View original record | 619 also 419 To By/CS. c. to Da/MoS. Rm/Swdl.18/JH.15.9.38. MODIFIED CORED CYLINDER BLOCK FOR B.111 AND WRAITH (ECD.871). Regarding the cylinder head gasket which has been issued for the above as a C… | ||
| 06-page40 | To hold production of Wraith cylinder heads due to cracked valve seats. | ||
| View original record | [REDACTED] 619 Piles BY.2/G.16.9.38. c. Rm. ---------------- SWDL WRAITH - CYLINDER HEAD. ---------------------- Owing to the cracked valve seats found on Mx's car, I want to hold up casting and… | ||
| 06-page41 | Modification to the cylinder block boss for the bye-pass oil pipe clip, applicable to both the Wraith III and Bentley III models. | ||
| View original record | c. Rm. 619 Pados DA.1/G.17.9.38. WRAITH lll. MODIFIED BOSS ON CYLINDER BLOCK FOR BYE-PASS OIL PIPE CLIP. SWOL Herewith please receive :- E.CR.902 Addition of Boss to Cylinder Block for Oil Pipe Clip.… | ||
| 06-page42 | Modifications for a reinforced and thickened combustion chamber on the Wraith III and Bentley 111 cylinder heads. | ||
| View original record | Handwritten: [Top Right] SWDL. What promise for D.A. details. DA.c.19.9.38. 619 [Top Left] Liles [Attached routing slip, mostly crossed out] Mr/WC c. Rm. c. Rm/Sedl. c. RHD/VS Typed: WRAITH 111 -… | ||
| 06-page43 | Experimental design for modified cylinder head cooling on the Wraith III. | ||
| View original record | Sides DA.1/G.1.10.38. 619 WRAITH III. CYLINDER HEAD COOLING. Please receive herewith E.CD.923 Modified Cooling of Cylinder Head - Wraith lll. This design is intended as an experiment for the… | ||
| 06-page44 | Proposing a modification to the Wraith cylinder block for manufacturing efficiency. | ||
| View original record | 619 To BY. Rm. HPS. RHC/G.Mc. 1/MD.9.10.38. RE WRAITH CYLINDER BLOCK. There is a tapped hole called for on the engine support facing for the oil pipe clip. Could a small facing be added here so that… | ||
| 06-page45 | Request for five Wraith cylinder heads for further testing and potential production use. | ||
| View original record | 619 RHC c. Rm/Swdl. Pike BY.10/N.14.10.38. Wraith - Cylinder Head. Will you please arrange to let Rm/Swdl. have a further five cylinder heads of the type agreed to at the Chassis Conference on Tuesday… | ||
| 06-page46 | Modification to the coring of cylinder blocks for the Wraith model. | ||
| View original record | 619 also 1124 To By. from Rm/Swdl. c. RHC. c. HPS. MODIFICATION TO CORING OF THE CYLINDER BLOCKS (WRAITH). With regard to the modified coring of the cylinder block (ECD.871) to simplify the casting of… | ||
| 06-page47 | Modification to the coring of cylinder blocks for the Wraith model. | ||
| View original record | 1124 of 619 c. Rm. BY.10/C.28.10.38. Piles SWDL MODIFICATION TO CORING OF THE CYLINDER BLOCKS (WRAITH). Referring to Rm/Swdl.2/MH.21.10.38. my instructions when this particular modification was issued… | ||
| 06-page48 | Cracking of Wraith cylinder blocks after heat treatment and analysis of the material. | ||
| View original record | 619. By. c to Rn. c to HEC. RHC/Vs.1/JT.2.11.38. Iron Foundry. Wraith Cylinder Blocks. In reply to your memo By.S/C.27.10.38 regarding cracking of cylinder blocks after heat treatment, we would… | ||
| 06-page49 | The fitting of a special cylinder block and new production Wraith pistons to unit EW.1923. | ||
| View original record | 619 HPS. from Rm/CTS. Rm/CTS1/R.5.11.38. WRAITH CYLINDER BLOCK. With reference to the special cylinder block EW.1923 which is about to be fitted to W.III No.4 unit, will you please fit a set of new… | ||
| 06-page50 | Requesting an updated drawing for the strengthened cylinder head on the Wraith & B.III models. | ||
| View original record | 619 also 419 To By. from Rm/Swdl. c. By/CS. Rm/Swdl.10/MH.8.11.38. WRAITH & B.III CYLINDER BLOCK & HEAD. Regarding the modified cored block EW.1923 which affects the water holes in the cylinder head… | ||
| 06-page51 | The impracticability of modifying Wraith rocker covers for cost reduction. | ||
| View original record | 619 Sides To: RHC/JWW. c.c. EYP & Rm. c.c. HRS. From RHC/GTH. RHC/GTH.1/MC.2.3.39. Scull WRAITH ROCKER COVERS - EW.1432 It was suggested in RHC/JWW.1/JRS.16.2.39., that the re-entrant feature on the… | ||
| 06-page52 | The difficulty experienced when removing a Klingerit cylinder head gasket from a Wraith engine due to adhesion. | ||
| View original record | 619. R. Poop. Have we had any trouble in the garage Rm To: BT. Rm. De. WRAITH KLINGERIT CYLINDER HEAD GASKET Owing to a sticking exhaust valve, we recently had to remove the Cylinder head from… | ||
| 06-page53 | Proposed alteration to the cylinder head for the Wraith III and Bentley III models to improve valve seat cooling. | ||
| View original record | 679 H19 BY/NS c. NS c. BY/SH. c. RM/Swdl. c. REC/VS. Instructed S & C to not detail Pales See me Rm DA.1/G.11.5.39. WRAITH III. and BENTLEY III. CYLINDER HEAD. Please receive herewith :- E.CD.1335… | ||
| 06-page54 | Factory costs for a Wraith cylinder liner. | ||
| View original record | 619 RM/CTS. G/Rb. 9/A/73/R. 9.6.39 Wraith Cylinder liner EW 2149/80 Factory Costs. File 1260 | ||