Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Table showing cylinder wear particulars for July 1939, measured in thousandths of an inch. | ||
| View original record | To By. from Pk/KC/FED. c. to Rm. Rm/GWH. ✓ File. W/Kingsbury. 2nd: August 1939. PARTICULARS OF CYLINDER WEAR DURING JULY, 1939. Shewing amounts plus nominal and oval in thousandths of an inch. | Date… | ||
| scan0002 | Ledger sheet detailing measurements for various vehicle chassis. | ||
| View original record | Sheet 2. July, 1939. Date, Chassis, Mlg., No: 1., No: 2., No: 3., No: 4., No: 5., No: 6., Remarks. 13:7:39, B. 14"G.A.", 43921, .006, .002, .007, .002, .008, .004, .0085, .004, .0065, .0005, .006,… | ||
| scan0003 | Measurement log sheet for various chassis, including remarks. | ||
| View original record | Sheet 3. July 1939. Date Chassis Mlg. No: 1. No: 2. No: 3. No: 4. No: 5. No: 6. Remarks. 26:7:39 B.105 E.J. 22410 .004 .002 .005 .002 .004 .0015 .003 .0055 .0005 .002 .002 .0005 All +15 (H.127)… | ||
| scan0004 | List of Bentley chassis fitted with replacement cylinder blocks during July 1939. | ||
| View original record | To Hd. from Pk/KC/FED. c.to Rm/G.H.✓ File. L/Kingsbury. 4th: Augt 1939. The undernoted Bentley chassis have been fitted with replacement cylinder blocks during the month of July, 1939. Date | Chassis… | ||
| scan0005 | Directive regarding the specifications for replacement piston rings on Bentley and Phantom III models. | ||
| View original record | Md. W/W - Mr. Levallois K. Bdx. Rm/GWH (K) Hy/BPS Hx/SB7/MG.7.7.39 PISTON RINGS Bentley and Phantom III We are satisfied that 'L' section rings are effective in producing a quick result as regards… | ||
| scan0006 | Specification sheet for piston ring part numbers for 3½ & 4¼ Litre Bentley and Phantom III models. | ||
| View original record | PISTON RINGS 3½ Litre Bentley Phantom III STANDARD 1. EB.2377 2. EB.3077 3. EB.3449 .005 o/s 1. EB.3078 2. EB.3088 3. EB.3450 .010 o/s 1. EB.3079 2. EB.3089 3. EB.3451 .015 o/s 1. EB.3080 2. EB.3090… | ||
| scan0007 | Oil consumption for chassis B.200.LS following an engine clean and fitting of new piston rings. | ||
| View original record | To Bentley Motors Ltd. London ......... C. Copy to Par....... Max/SBT HA GWH. (K) Levallois Sr/VA9/BT.11.7.39 Re: OWNER'S COMPLAINT REPORT N° P.247 (Chassis B.200.LS - Mr. GAUDIN) Since carrying out… | ||
| scan0008 | List of Bentley chassis fitted with replacement cylinder blocks during June 1939. | ||
| View original record | To Hd. from Pk/KC/FED. c.to Rm/GWH. file W/Kingsbury. 10th: July 1939 The undernoted Bentley chassis have been fitted with replacement cylinder blocks during the month of June. 1939. Date | Chassis |… | ||
| scan0009 | Cylinder wear measurements for various chassis during June 1939. | ||
| View original record | To By. from Pk/KC/FED. c.to Rm/GWH file. W/Kingsbury. 10th. July, 1939. PARTICULARS OF CYLINDER WEAR DURING JUNE, 1939. Shewing amounts plus nominal and oval in thousandths of an inch. Date | Chassis… | ||
| scan0010 | Tabular log of component measurements for various chassis, with corresponding remarks. | ||
| View original record | Sheet 2. June 1939. Date | Chassis | Mlg. | No: 1. | No: 2. | No: 3. | No: 4. | No: 5. | No: 6. | Remarks. 14:6:39 | B. 5"H.M." | 41324 | .009 .0035 | .009 .002 | .008 .0025 | .0065 .001 | .005 .0005… | ||
| scan0011 | Log sheet recording chassis inspection measurements and remarks from June 1939. | ||
| View original record | Sheet 3. June 1939. Date Chassis Mlg. No: 1. No: 2. No: 3. No: 4. No: 5. No: 6. Remarks. 27:6:39 B. 76 "L.S." 16230 .003 .001 .003 Nil .0035 .0005 .0035 .001 .0025 .0005 .003 .001 3,4 &5 +½. 27:6:39… | ||
| scan0012 | Cylinder wear measurements for various chassis during May 1939. | ||
| View original record | To By. from Pk/KC/FED. c.to Rm. Rm/GWH. file. W/Kingsbury. 5th: June 1939. PARTICULARS OF CYLINDER WEAR DURING MAY 1939. Showing amounts plus nominal and oval in thousandths of an inch. Date | Chassis… | ||
| scan0013 | Log sheet of engine cylinder bore measurements for various chassis. | ||
| View original record | Sheet 2. May 1939. Date Chassis Mlg. No: 1. No: 2. No: 3. No: 4. No: 5. No: 6. Remarks. 11:5:39 B.143 F.C. 30756 .005 .0015 .007 .003 .006 .0015 .005 .0015 .006 .0015 .0055 .0015 Rebore. 12:5:39 B. 33… | ||
| scan0014 | List of Bentley chassis fitted with replacement cylinder blocks during May 1939. | ||
| View original record | To-Hd: from PK/KC/FED. c. to Rm/GWH. file W/Kingsbury. 7th: June 1939. The undernoted Bentley chassis have been fitted with replacement cylinder blocks during the month of May 1939. Date Chassis Size… | ||
| scan0015 | Wear measurements in engine bores and pistons for a specific chassis. | ||
| View original record | REPORT RE WEAR IN BORES & PISTONS. Fitter: Mann Egerton Chassis No.: Packard (E.T.) Job No.: Date: 3.5.1939 Mileage: 28213 TABLE 1: BORES BORE | NOMINAL | TAPER | OVAL | M | C | T 1 | 3.250" | + .0085… | ||
| scan0016 | The wear measurements in the bores and pistons for a Ford V8 chassis. | ||
| View original record | REPORT RE WEAR IN BORES & PISTONS. ========================= Fitter: Mann Egerton Chassis No.: Ford V8 Job No.: Mileage: 14,179 Date: 3. 5. 1939 BORE TABLE: BORE | NOMINAL | TAPER | OVAL | M | C | T 1… | ||
| scan0017 | Wear measurements for the bores and pistons of a Chevrolet vehicle. | ||
| View original record | REPORT RE WEAR IN BORES & PISTONS. ======================== Fitter: Pass & Joyce Chassis No.: Chevrolet (GA) Date: 13.4.1939 Job No.: Mileage: 21,104 BORE NOMINAL TAPER OVAL M C T 1 3.500" +.0045"… | ||
| scan0018 | The wear measurements of engine bores and pistons for a Chevrolet (GA) chassis. | ||
| View original record | REPORT RE WEAR IN BORES & PISTONS. ================== Fitter: Pass & Joyce Chassis No.: Chevrolet (GA) Job No.: Date: 3. 4. 1939 Mileage: 20,491 TABLE 1: BORE | NOMINAL | TAPER | OVAL | M | C | T 1 |… | ||
| scan0019 | Wear in engine bores and pistons for a Chevrolet vehicle. | ||
| View original record | REPORT RE WEAR IN BORES & PISTONS. ===================== Fitter: Haggar Chassis No.: Chevrolet (F.A) Date: 1. 4. 1939 Job No.: Mileage: 23,915 BORE TABLE: BORE | NOMINAL | TAPER | OVAL | M | C | T 1 |… | ||
| scan0020 | Wear measurements for engine bores and pistons on a Pontiac chassis. | ||
| View original record | REPORT RE WEAR IN BORES & PISTONS. ===================== Fitter: Podger Chassis No.: Pontiac (REG. J.K.5788) Job No.: 2588 Date: 30. 3. 1939 Mileage: 24,857 BORE TABLE: BORE | NOMINAL | TAPER | OVAL |… | ||
| scan0021 | Wear in bores and pistons for a Chevrolet 30 chassis. | ||
| View original record | REPORT RE WEAR IN BORES & PISTONS. ======================== Fitter: Pass & Joyce. Chassis No.: Chevrolet. 30. (G.A.) Job No.: Date: 30. 3. 1939. Mileage: 22562 BORE TABLE: BORE | NOMINAL | TAPER |… | ||
| scan0022 | List of Bentley chassis fitted with replacement cylinder blocks during April 1939. | ||
| View original record | To Hd. from Pk/KC/FED. W/Kingsbury. 5th: May 1939. c.to Rm/GWH.✓ file The undernoted Bentley chassis have been fitted with replacement cylinder blocks during the month of April, 1939.… | ||
| scan0023 | Table detailing cylinder wear measurements (nominal and oval) for various chassis during April 1939. | ||
| View original record | To B-r from PK/KC/FED. c.to Rm. Rm/GWH. ✓ File W/Kingsbury. 4th: May 1939. PARTICULARS OF CYLINDER WEAR DURING APRIL. 1939. Shewing amounts plus nominal and oval in thousandths of an inch. Date |… | ||
| scan0024 | Log sheet from April 1939 detailing numerical measurements for various car chassis. | ||
| View original record | Sheet 2. April 1939. Date | Chassis | Mlg. | No: 1. | No: 2. | No: 3. | No: 4. | No: 5. | No: 6. | Remarks. 20:4:39 | B. 39 B.L. | 35851 | .0035 .001 | .005 .0025 | .0045 .0025 | .0035 .0015 | .003… | ||
| scan0025 | List of Bentley chassis fitted with replacement cylinder blocks during March 1939. | ||
| View original record | To Hd. from Pk/KC/FED. c.to Rm/GWH. file. W/Kingsbury. 5th: April 1939. The undernoted Bentley chassis have been fitted with replacement cylinder blocks during the month of March, 1939. Date | Chassis… | ||
| scan0026 | Cylinder wear measurements for various chassis during March 1939. | ||
| View original record | To By; from PK/KC/FED c.to Rm. ✓ Rm/CWH. file. W/Kingsbury. 4th: April 1939. PARTICULARS OF CYLINDER WEAR DURING MARCH 1939. Shewing amounts plus nominal and oval in thousandths of an inch. Date… | ||
| scan0027 | Tabular log of chassis measurements and remarks from March 1939. | ||
| View original record | Sheet 2. March 1939. Date | Chassis | Mfg. | No: 1 | No: 2 | No: 3 | No: 4 | No: 5 | No: 6 | Remarks. 15:3:39 | B.242"G.A." | 43860 | .0105 .005 | .010 .005 | .0085 .003 | .009 .0045 | .0055 .0005 |… | ||
| scan0028 | The history and specifications of chilled cylinder bores for Bentley production. | ||
| View original record | To RM/CTS c.c. GWH (K) BY/NS.1/MG.14.2.39 BENTLEY PRODUCTION CHILLED CYLINDER BORES. We have looked into the history of the treatment of cylinder bores. Information is rather scant, but we give below… | ||
| scan0029 | Cylinder iron specifications, identifying the last chassis produced with chilled bores. | ||
| View original record | GWH. Rm/CTS.1/JH.27.5.38. SPECIFICATION OF CYLINDER IRON IN PRODUCTION. Further to your query of the other day the last chassis to be turned out with chilled bores was No.U.4.WR. on 25.12.37. We can… | ||
| scan0030 | Summary of work and average wear figures for cylinder bores on various engine models. | ||
| View original record | GWH To Hy. from Rm/CTS. c. Hs. c. Da. c. Da/Jnr. CYLINDER BORE WEAR. The following is intended to be a summary of the work carried out during the past twelve months on cylinder bore wear on our… | ||
| scan0031 | History and properties of chilled cylinder bores in Bentley engines and advocating for better record-keeping. | ||
| View original record | -2- Present Production. There is every reason to believe that the present 'M' series Bentleys will not be too good for bore wear. There is not sufficient evidence available to prove the fact, and… | ||
| scan0032 | Experimental cylinder liner materials and their resistance to corrosive and frictional wear. | ||
| View original record | -3- RM/CTS.3/MR.11.3.39. The present position regarding cylinder material is as follows. We have produced experimental cylinder liners in the following materials, from which we hope to be able to pick… | ||
| scan0033 | Engine bore wear, corrosion testing methods, and the use of centrifugally cast cylinder inserts. | ||
| View original record | -4- Further to Helmore's machine. This consists of an aluminium rotor running inside a pot in which is situated our sample of material in the form of a ring about 1.00" wide. The vessel is… | ||
| scan0034 | Engine bore chrome plating experiments and a comparison of split skirt versus solid skirt pistons. | ||
| View original record | -5- the various experimental materials already mentioned, and testing them against the "Brico". CHROME PLATING. Another method of treating the top of the bores is to Chrome plate. To quote one firm… | ||
| scan0035 | Continued report on pistons, comparing Aerolite and standard types, and discussing bore wear testing. | ||
| View original record | -6- RM/CTS.3/MW.11.3.39. PISTONS - Cont'd. The main reason for going to the Aerolite piston, was the claim that they gave 8% more power than the R.R. piston. It is fairly certain, however, at the… | ||
| scan0036 | Test bed procedures and results for accelerating cylinder block bore wear. | ||
| View original record | -7- RM/CTS.3/MH.11.3.39. (A) Test bed. TEST No.1. Parts under test: Standard cylinder block. Purpose of Test: To accelerate bore wear for the purpose of comparing materials. Method of Test. Start up… | ||
| scan0037 | Engine component wear test report detailing procedures and results for various tests. | ||
| View original record | -8- (A) Cont'd. TEST No.3. Cont'd. 50 cycles completed. Result: wear - nil. TEST No.4. Parts under test: As Test No.1. Method of test. Engine returned to test bed. (Dirty oil inserted in sump. 1… | ||
| scan0038 | Engine liner wear results from a series of three different tests. | ||
| View original record | -9- Rm/CTS.3/EH.11.3.39. (B) Cont'd. TEST No.2. Parts under test: Liners as test 1. Method of test. Start up and run 30 mins. at 1500 r.p.m. Shut down and allow to cool from 80°C to 50°C. Result: wear… | ||
| scan0039 | Technical discussion on engine bore wear tests and the function of piston rings. | ||
| View original record | -10- RM/CTS.3/WH.11.3.39. At this juncture this particular series of test was terminated because it was obvious that the desired result was not forthcoming in this way. It should be borne in mind that… | ||
| scan0040 | Piston ring types and a proposed experimental testing programme. | ||
| View original record | -11- It is undoubtedly true that pegging prevents the rings from turning round, and so gives them a better chance to bed in to the bore. Also, they are able to remain "bedded in". In the case of… | ||
| scan0041 | Cylinder wear measurements for various chassis during February 1939. | ||
| View original record | To Sy. from PK/WC/FED. Copies to Rm. Rm/GWH. ✓ File. W/Kingsbury. 6th: March 1939. PARTICULARS OF CYLINDER WEAR DURING FEBRUARY 1939. Showing amounts plus nominal and oval in thousandths of an inch.… | ||
| scan0042 | Data log sheet of measurements for various chassis, with entries dated throughout February and March 1939. | ||
| View original record | Sheet 2. March 1939. Date Chassis Mlg. No: 1. No: 2. No: 3. No: 4. No: 5. No: 6. Remarks. 20:2:39 B.201 A.E. 64559 .0055 .001 .006 .001 .0075 .0015 .005 .0005 .005 .001 .0045 .0005 22:2:39 B. 3 B.N.… | ||
| scan0043 | Summary of petrol pump complaints for 3.5 & 4.25 litre Bentley models, recorded during February 1939. | ||
| View original record | To - Mxr c.to Rm/ G.W.H. ✓ file. W/Kingsbury 6th: March. 1939 PETROL PUMP COMPLAINTS 3½ & 4¼ litre BENTLEY. RECORDED DURING FEBRUARY. 1939. COMPLAINT. | Type of pump. | D.B. 447. | G.S. | G.S.S.C. |… | ||
| scan0044 | List of Bentley chassis fitted with replacement cylinder blocks during February 1939. | ||
| View original record | To Hd. from K. c.to Rm/GWH. -file. W/Kingsbury. 6th: March 1939. The undernoted Bentley chassis have been fitted with replacement cylinder blocks during the month of February, 1939. Date Chassis Block… | ||
| scan0045 | List of S.U. Petrol Pumps removed from Bentley chassis during February 1939, detailing complaints. | ||
| View original record | To By c.to Rm/JDD. Rm/GWH✓ file: W/Kingsbury. 6th: March 1939. We give below a complete list of S.U. Petrol Pumps removed from Bentley chassis during the month of February,1939. and where possible the… | ||
| scan0046 | Vehicle owner, mileage, and cylinder block replacement. | ||
| View original record | Mr Hancock 22-2-35 B. 140. H.K. Job. 2166. Mileage. 38433 Owner. Mr S. Sainsbury. Special cyl block fitted. No W.3. Old block .0115 Defes & .006 oval in 38433 miles, HB. | ||
| scan0047 | The fitting of a special cylinder block and the wear measurements of the old one. | ||
| View original record | Mr Hancock 94 13. 70. G.A. Job. 2211 Mileage. 37342 Owner. T. Burroughs Special cyl block fitted. (B.N.W.H.) Old block .008 taper & .005 oval in 37342 miles [Signature] | ||
| scan0048 | Sketch showing cross-sections for drilling holes in the intermediate journals of a Bentley crankshaft. | ||
| View original record | To: Hd. R. Cr. RHO. GWH BY/SB4/MG24.2.39 BENTLEY CRANKSHAFTS Further to BY6/G.23.2.39, we give below a sketch showing a cross-section through the intermediate journals, so as to illustrate the… | ||
| scan0049 | Cylinder wear measurements taken during January 1939, showing amounts plus nominal and oval in thousandths of an inch. | ||
| View original record | To By. c.to Mx. Rm/GWH. ✓ file. W/Kingsbury. 3rd: February 1939. PARTICULARS OF CYLINDER WEAR DURING JANUARY, 1939. shewing amounts plus nominal and oval in thousandths of an inch. Date | Chassis |… | ||
| scan0050 | Tabular log of chassis measurements and remarks from January 1939. | ||
| View original record | Sheet 2. January 1939. Date Chassis Mlg. No: 1. No: 2. No: 3. No: 4. No: 5. No: 6. Remarks. 18:1:39 B.104 "K.T." 10395 .0035 .0005 .0035 .001 .003 .001 .003 .001 .0025 .0005 .0025 Nil Rebore. 18:1:39… | ||
| scan0051 | Cylinder bore wear on Bentley pistons. | ||
| View original record | BY. c. Rm/CTS. Rm/GWH.15/G.2.2.39. BENTLEY PISTONS. AND CYLINDER BORE WEAR. In reply to Rm/CTS's memo of the 23.1.39. I am enclosing figure taken of cylinder bore wear with the close fitting piston… | ||
| scan0052 | Cylinder block wear measurements for various chassis, listed in order of mileage. | ||
| View original record | To By. From K. Rm/G.H. W/Kingsbury. 26th: January '39. We have not had the opportunity of measuring a sufficient number of chassis fitted with E.B.3151 piston, to enable us to give records of cylinder… | ||
| scan0053 | The fitting of a special cylinder block and measurements of the old block. | ||
| View original record | Mr Hancock. B. 86. LS 30/Gr 2158 Mileage. 11974. Owner. Murray Burberry. Special cyl block No. 2. fitted. Old block .0075. taper & .004 oval in 11974 miles. WB. 96 | ||
| scan0054 | Special features and modifications fitted to owner's cars. | ||
| View original record | To By.... from Rm/GWH. c. Rm. Rep/GWH.7/N.24.1.39. Special features fitted to Owner's Cars. Cylinder block worn at low mileage rebored to .015 oversize. No.W2BMEB 2929 fitted to B.103.CP - 17.8.38.… | ||
| scan0055 | Dispatch of four special Nickel-chrome-molybdenum cylinder blocks for wear testing. | ||
| View original record | W/K - GWH. Rm/CTS.8/JH.23.1.39. CYLINDER BORE WEAR. Four special cylinder blocks have been despatched for your attention at Kingsbury. These are standard B.II blocks in special material -… | ||
| scan0056 | List of Bentley chassis fitted with replacement cylinder blocks during December 1938. | ||
| View original record | To Hd/SB. c.to Rm/GWH.✓ file W/Kingsbury. 4th: January 1939. The undernoted Bentley chassis have been fitted with replacement cylinder blocks during the month of December, 1938.… | ||
| scan0057 | Table of cylinder wear particulars for December 1938, showing nominal and oval amounts in thousandths of an inch. | ||
| View original record | TO By. c.to Mx. Rm/GWH file. W/Kingsbury. 4th. January. 19 PARTICULARS OF CYLINDER WEAR DURING DECEMBER, 1938. Shewing amounts plus nominal and oval in thousandths of an inch. Date Chassis Mlg. No: 1.… | ||
| scan0058 | Log sheet detailing measurements and remarks for various chassis, identified by number and manufacturing details. | ||
| View original record | Sheet 2. December 1938. Date Chassis Mlg. No: 1. No: 2. No: 3. No: 4. No: 5. No: 6. Remarks. 21:12:38 B. 26"I.S." 10309 .005 .002 .006 .002 .0035 .001 .0035 .0005 .003 .0005 .003 Nil 1 &2 +½, 3 +1.… | ||
| scan0059 | Tabular record of chassis component measurements and remarks. | ||
| View original record | Sheet 2. December 1938. Date | Chassis | Mfg. | No: 1. | No: 2. | No: 3. | No: 4. | No: 5. | No: 6. | Remarks. 21:12:38 | B. 26 "I.S." | 10309 | .005 .002 .006 | .002 .0035 .001 | .0035 .0005 .003 |… | ||
| scan0060 | Requesting clarification on whether recent engine re-bores on two vehicles were the first. | ||
| View original record | To GWH. at Kingsbury. Particulars of Cylinder Wear. Thanks for the return shewing the above. We note with interest two cars in particular that have had re-bore i.e. B.74.DG. at 83,533 and B.167.BL. at… | ||
| scan0061 | Table detailing cylinder wear measurements taken during November 1938, showing amounts plus nominal and oval in thousandths of an inch. | ||
| View original record | To By. c.to Mx. Rm/GMH ✓ file. W/Kingsbury, 1st: December 1938. PARTICULARS OF CYLINDER WEAR DURING NOVEMBER 1938. Shewing amounts plus nominal and oval in thousandths of an inch. .Date | Chassis |… | ||
| scan0062 | Tabulated log sheet of engine cylinder measurements and remarks for various chassis. | ||
| View original record | Sheet No: 2. November 1938. Date | Chassis | Mlg. | No: 1. | No: 2. | No: 3. | No: 4. | No: 5. | No: 6. | Remarks. 14:11:38 | B. 73 D.G. | 19955 | .003 .0005 | .0035 .0045 | .0015 .003 | .0005 .0035 |… | ||
| scan0063 | List of Bentley chassis fitted with replacement cylinder blocks during November 1938. | ||
| View original record | To Hd/SB. c.to Rm/GWH. file W/Kingsbury. 5th: December 1938. The undernoted Bentley chassis have been fitted with replacement cylinder blocks during the month of November. 1938. Date | Chassis | Size… | ||
| scan0064 | Trial of Brico hard cylinder inserts for Bentley and Wraith engines to eliminate wear. | ||
| View original record | c. GWH. (K). BY.6/G.13.10.38. BENTLEY AND WRAITH. BRICO CYLINDER INSERTS. Referring to Rm/CTS.9/JH.11.10.38. I am in agreement with the suggestion that we should try out a hard insert as produced by… | ||
| scan0065 | Brico cylinder inserts, their benefits, and material specifications. | ||
| View original record | To Ev. c. to MX. [Struck through] c. to Ds. [Struck through] c. to Dav/JMR. [Struck through] c. to OWH. [Struck through] Rm/CTS.9/JH.11.10.38. BRICO CYLINDER INSERTS. In accordance with a letter… | ||
| scan0066 | Cylinder liner tests and observations on piston and bore wear, including a proposal from the British Piston Ring Co. | ||
| View original record | -2- Rm/CTS.9/JH.11.10.38. The liner is about 2" deep, by .062 thick. Our cylinder wall section is about .160 so it is quite practicle to consider carrying out a test. It is suggested that we fit a… | ||
| scan0067 | Bentley cylinder block with premature excessive bore wear after 12,000 miles. | ||
| View original record | W/K. To GWH. from Rm/Swdl. Rm/Swdl.2/MH.5.8.38. BENTLEY CYLINDER BLOCK (B.144.HK.) Some time ago the cylinder block off the above car was returned on account of premature excessive bore wear after… | ||
| scan0068 | List of Bentley chassis fitted with replacement cylinder blocks during October 1938. | ||
| View original record | To. Hd/SB. c.c. to Rm/GWH. ✓ File W/Kingsbury. 2nd November 1938. The undernoted Bentley chassis have been fitted with replacement cylinder blocks during the month of October, 1938.… | ||
| scan0069 | Table detailing cylinder wear measurements for various chassis during October 1938. | ||
| View original record | To/By. c/o Mx. Rm/G&H file W/Kingsbury. 2nd: November 1938. PARTICULARS OF CYLINDER WEAR DURING OCTOBER 1938. Showing amounts plus nominal and oval in thousandths of an inch. Date | Chassis | Mlg. |… | ||
| scan0070 | Log sheet of measurements for specific vehicle chassis, with remarks and details on bore diameters and oil supply. | ||
| View original record | Sheet 2. October 1938. Date Chassis Mlg. No: 1. No: 2. No: 3. No: 4. No: 5. No: 6. Remarks. 22:10:38 B.195 E.J. 13509 .003 .0015 .003 .002 .0035 .0015 .002 .001 .002 .0005 .0025 .001 All +20. 24:10:38… | ||
| scan0071 | Cylinder bore wear figures for 3 1/2 and 4 1/4 litre Bentley cars. | ||
| View original record | To By.. from Rm/GWH. c. Rm/CTS. c.a. Rm. Rm/GWH.39/N.25.10.38. ------------------- Bentley - Cylinder Bore Figures. ------------------- At the request of Rm/CTS9/JH.10.10.38, for a comparison wear… | ||
| scan0072 | List of Bentley chassis fitted with replacement cylinder blocks during September 1939. | ||
| View original record | Hd/cm16/IB. W/Kingsbury. 6th: October 1939. The undernoted Bentley chassis have been fitted with replacement cylinder blocks during the month of September. 1939. Date Chassis Size Block No: Piece No:… | ||
| scan0073 | Table of cylinder wear measurements for various chassis during September 1938. | ||
| View original record | PARTICULARS OF CYLINDER WEAR DURING SEPTEMBER. 1938. Showing amount plus nominal and oval in thousandths of an inch. Date | Chassis | Mlg. | No: 1. | No: 2. | No: 3. | No: 4. | No: 5. | No: 6. |… | ||
| scan0074 | Log sheet from September 1938 recording various measurements against chassis numbers. | ||
| View original record | Sheet 2. September 1938. Y Date Chassis Mlg. No: 1. No: 2. No: 3. No: 4. No: 5. No: 6. Remarks. 22:9:38 B.111"K.U." 7956 .0015 .0005 .0015 .0025 .0015 .002 Nil .0015 .0005 .0025 .0015 1 &5 +½, rem +1.… | ||
| scan0075 | Letter requesting a comparison of cylinder bore wear figures between 4¼ and 3½ litre Bentley engines. | ||
| View original record | W/K - GWH. [STAMP: OCT 1938] Rm/CTS.9/JH.10.10.38. CYLINDER BORE FIGURES. Further to our conversation of October 7th. We wish to ascertain how cylinder bore wear figures of the 4¼ Bentley compare with… | ||
| scan0076 | Internal memorandum concerning cylinder bore wear, the use of Arctic Oil, and handling a specific customer complaint. | ||
| View original record | To BY/Mtn.. from Rm/GWH. c. By. Rm/GWH.5/N.3.10.38. Cylinder Bore Wear. Re your memo concerning B.103.GP. May I state first that the first move concerning the use of Arctic Oil on rebores, was to go… | ||
| scan0077 | Log sheet detailing service records for various Bentley chassis, including oil type, mileage, and owner information. | ||
| View original record | BENTLEY'S Chassis, Type, Oil, If rebored, Last Mileage record, Date, Owner B.127 G.P., 4 1/2, Essulube R., 16974(18:8:37), 31416, 27:7:38, Swann. B.157 J.Y., 4 1/2, Prices M., No, 22638, 7:6:38, Wade… | ||
| scan0078 | Cylinder wear on chassis B.103.GP, noting a recent rebore and suggesting a trial of 'Arctic' oil. | ||
| View original record | To GWH. at Kingsbury. C. Rm. [text struck through] BY/Mtn6/N.22.9.38. Particulars of Cylinder wear during August. We thank you for the chart giving the above information. It is noted a rebore was… | ||
| scan0079 | Cover note for an enclosed chart regarding Bentley cylinder bore wear. | ||
| View original record | To Rm... from Rm/GWH. c. By. Rm/GWH.20/N.20.9.38. Bentley - Cylinder Bore Wear. We have endeavoured to obtain the information you require. The enclosed chart, is I am afraid, of not very much value,… | ||
| scan0080 | Test report comparing bearing wear and oil flow times for several Bentley chassis. | ||
| View original record | 26.8.38. BENTLEY CHASSIS. COMPARATIVE BEARING WEAR WITH OIL FLOW TEST TIME. B.52.HK. OWNER: F.H. BURN. MILEAGE 14,984 TEST Bad bearing thump. FLOW TIME 2.43 TEMP: 40º O.P. 26 lbs. .008" Lift in shaft… | ||
| scan0081 | Log sheet detailing vehicle complaints, test results, and measurements for four different owners. | ||
| View original record | - 2 - B.149.KU. OWNER: J. OLDING. MILEAGE 11,218 COMPLAINT Knock in engine. FLOW TIME 2.32 TEMP: 40º O.P. 25 lbs. .006 Lift in shaft. Step liners .010 B.1.HM. OWNER: D.E. PELLY. MILEAGE 26,853 TEST… | ||
| scan0082 | Log of vehicle test results, owner complaints, and measurements for four separate vehicles. | ||
| View original record | - 3 - B.164.GA. OWNER: LORD RAVENSWORTH. MILEAGE. 27,268 TEST Slight thump. FLOW TIME 3.9 TEMP. 40º O.P. 26½ .006" Lift in shaft. Step liners .010" ( Mod.B ) B.130.GA. OWNER: B.M.L. (S) MILEAGE.… | ||
| scan0083 | Log of vehicle test results, owner complaints, and related measurements. | ||
| View original record | ) 4 ) B.98.GA. JOB. 0008 OWNER. R.C.GRASEBY. MILEAGE 30,944 TEST COMPLAINT Thump FLOW TIME 3.42 TEMP. 40° O.P. 29½ Lift in crank .006 (27) (Mod. B) B.154.KT. OWNER: HALCROFT. MILEAGE 10,050 TEST Thump… | ||
| scan0084 | Log of vehicle test results and complaints for four different owners. | ||
| View original record | - 5 - B.26.GA. JOB. 113 OWNER: FRANKIS EVANS. MILEAGE 37,106 TEST COMPLAINT Slight thump. FLOW TIME 4.7 TEMP: 40° O.P. 26 .006 Lift in crank. (28) Step .012 Mod. B. R.201.GP. Job. 228 OWNER: TAYLOUR… | ||
| scan0085 | Log sheet detailing test results for four different jobs or vehicles. | ||
| View original record | ) 6 ) B.3.HM. JOB 328. OWNER: SHARPE. MILEAGE 32,604 TEST FLOW TIME 2.45 TEMP. 40º O.P. 29 (27) .008 Lift in shaft. Step .013" Mod. B. B.83.JY. OWNER: Hon. IVOR GUEST. MILEAGE 18,449 TEST Thump in… | ||
| scan0086 | Cylinder block and piston measurements with associated vehicle service history for a Bentley. | ||
| View original record | To Rm/Swdl.. from Rm/GWH. c. By. Rm/GWH.3/N.11.8.38. With reference to your memo Rm/Swdl.2/MH.5.8.38. re Bentley cylinder block taken off B.144.HK.(Col.Wenger). The following are the figures taken of… | ||
| scan0087 | Vehicle component checks, mileage, and observations on the owner's driving style. | ||
| View original record | -2- Rm/GWH.3/N.11.8.38 Cont'd. All springs examined and dampers checked. Exhaust silencers attended to, electrical outfit attended to. This at a mileage of 11,960. It would seem that the Owner pays… | ||
| scan0088 | Oil consumption threshold for cylinder re-grinding from a customer's perspective. | ||
| View original record | GWH. (K). BY.2/G.16.6.38. CYLINDER RE-GRINDS. The information conveyed in Rm/GWH.19/N.10.6.38. mainly covers what I was asking for. There is just one other point, however, which it is necessary for me… | ||
| scan0089 | Report on cylinder rebores for the month of May, including case examples and general reasons for regrinding. | ||
| View original record | To By.. from GWH. Rm/GWH.19/N.10.6.38. Cylinder Re-grinds. -------------- With reference to your memo BY.20/G.2.6.38, I am enclosing the report for month ending May for cylinder rebores. On sheet 1,… | ||
| scan0090 | List of Bentley chassis fitted with replacement cylinder blocks during March 1938. | ||
| View original record | Hd/cm16/IB. W/Kingsbury. 2nd: April 1938. The undernoted Bentley chassis have been fitted with replacement cylinder blocks during the month of March. 1938. Date Chassis Size Block No: Piece No: 3:3:38… | ||
| scan0091 | Cylinder wear measurements for various chassis taken during March 1938. | ||
| View original record | PARTICULARS OF CYLINDER WEAR DURING MARCH, 1938. Showing amounts plus nominal and oval in thousandths of an inch. Date Chassis Mlg. No: 1. No: 2. No: 3. No: 4. No: 5. No: 6. Remarks. 1:3:38 B.167 D.K.… | ||
| scan0092 | Log sheet from March 1938 detailing numerical measurements and remarks for various chassis. | ||
| View original record | Sheet 2. (March 1938) Date Chassis Mlg. No: 1. No: 2. No: 3. No: 4. No: 5. No: 6. Remarks. 18:3:38 B.142 E.F. 32583 .006 .0035 Nil .0085 .004 .0065 Nil .006 .001 .006 .0015 .0045 Nil All +1 18:3:38 B.… | ||
| scan0093 | Graph on Bentley cylinder bore wear. | ||
| View original record | File To By.. from GWH. Rm/GWH.2/N.2.4.38. Bentley - Cylinder Bore Wear. ----------- I have had a graph made out of Cylinder bore wear of cars dealt with by Kingsbury, which will probably be of… | ||
| scan0094 | Graphical comparison of rebored cylinder block wear and piston mileage across different series. | ||
| View original record | PERCENTAGE OF EACH SERIES REBORED A B C D E F G H AVERAGE WEAR 1/1000" SPLIT SKIRT PISTONS AVERAGE MILEAGE BEFORE REBORE 33,000 MILES. AEROLITE PISTONS. AVERAGE MILEAGE BEFORE REBORE 22,000 MILES. A B… | ||
| scan0095 | Confirming a telephonic request regarding Bentley cylinder wear and the dispatch of a cylinder block for inspection. | ||
| View original record | To By.. from Rm/GWH. Rm/GWH.1/N.26.3.38. Bentley Cylinder Wear - B.144.HK. To confirm your telephonic request and my reply. We had the cylinder block brinelled and the figure given was 200/218. At… | ||
| scan0096 | Cylinder re-boring intervals and related maintenance for Bentley cars based on mileage and usage. | ||
| View original record | W/K - GWH. BY.9/N.25.3.38. Re: Bentley Cylinders. Referring to our discussion on the question of cylinder re-bore, before replying to 'C', I asked the Repair Dept. for their views, and they have now… | ||
| scan0097 | Severe case of exhaust valve seat hammering in a Bentley B.19.KU cylinder head. | ||
| View original record | To By... from Rm/GWH. c. to Rm. RHC. Hs. Bentley Cylinder Head - B.19.KU. Mileage 7,730, Came in for an R.10. We have had a very bad case of the exhaust valves eating into the seatings. No.1, 3, 5 and… | ||
| scan0098 | Query regarding the primary reasons for cylinder re-grinds and the associated customer costs. | ||
| View original record | Rm/GWH. CYLINDER RE-GRINDS. I am interested in knowing whether the general reason for re-grinding a cylinder is a customer's complaint in regard to increased oil consumption, or alternatively is it… | ||
| scan0099 | Wear measurements for engine bores and pistons for chassis B.86.G.A. | ||
| View original record | REPORT RE WEAR IN BORES & PISTONS. Fitter: Haggar. Chassis No: B.86.G.A. Date: 11.12.34 Job No: 7709 Total Mileage: 24650 after before: 16136 8,514 BORE TABLE: BORE | NOMINAL | TAPER | OVAL | M | C |… | ||
| scan0100 | Service complaints of sticking throttle controls on Bentley cars and the proposed solution. | ||
| View original record | GWH To Hs. c. to E. c. to Ey. c. to HM. c. to RRC. Ra/GWH.6/JH.22.5.37. Service Complaints. Bentley Throttle Control Sticking. The complaints of the throttle sticking on Bentley carburettors is due to… | ||
| scan0101 | Bentley car towed in due to engine bearing trouble and the findings upon dismantling. | ||
| View original record | GWH. To Hs. c. to Rm. c. to RHC. c. to E. c. to By. c. to Hd. Kingsbury, May 11th, 1937. Bentley Engine Bearings. B.111.CW - 25,143 miles. A Bentley had to be towed in with bearing trouble. Upon… | ||
| scan0102 | Figures of excessive cylinder wear on a vehicle, with notes on its ownership history. | ||
| View original record | GUH- Rm. from Rm/GWH. Rm/Mths. Kingsbury - 7.4.37. I am sending you figures of cylinder wear which you will observe are excessive for the mileage, almost a .001 for 1000 miles. There is no complaint… | ||
| scan0103 | Complaint of poor oil consumption for a Bentley chassis, detailing engine replacement and testing. | ||
| View original record | from Mx c. Rm/GWH c. Rm/Mr Swindells Gerride GWH BENTLEY CHASSIS NO. B-97-GP ENGINE NO. J-6-BY MR.J.W.FINCH COMPLAINT OF POOR OIL CONSUMPTION This car was received from Kingsbury for a new engine to… | ||
| scan0104 | Engine and road tests to determine the oil consumption for a Bentley Chassis. | ||
| View original record | -2- The engine was run for 250 miles at 2000 r.p.m. 3/4 load. On the last 100 miles of this run, the oil consumption was 1000 m.p.g. The engine was then fitted to a chassis; and the usual road test… | ||
| scan0105 | Distortion in a 4¼ Litre Bentley Cylinder Head and proposing modifications to the heat treatment. | ||
| View original record | Mr G.W.Hancock - Kingsbury. BY/Mtn15/N.31.3.37. Re: 4¼ Litre Bentley Cylinder Head. Referring to your memo of the 9th.inst. relative to the above, we have received a report from Mr Goodall, copy of… | ||
| scan0106 | Customer complaints and analysis regarding excessive oil consumption in Bentley vehicles. | ||
| View original record | To Hs/Rm. GWH Bentley. Excessive Oil Consumption and Over-oiling. I have received your memo. Hs/Rm.15/KW.31.8.36. Before writing my report on Bentleys I checked over the various complaints with Mr.… | ||
| scan0107 | Investigation into water leaks from a Bentley cylinder plate and water bend joint, detailing causes and recommended solutions. | ||
| View original record | GWH To Rm/GWH. from RHC/Cy. c.c. to E/JNR. c.c. to RHC. RHC/Cy.1/LS.31.3.37. WATER LEAKS FROM BENTLEY CYLINDER PLATE AND WATER BEND JOINT. We find the works are fitting a "Dermatine" joint washer… | ||
| scan0108 | Apologizing for a delay caused by an investigation into poor oil consumption on a Bentley chassis B.97.GP. | ||
| View original record | K/S. C...from Rm/GWH. c to Hs. Rm/GWH/DPB/20.3.37. BENTLEY re: Chassis No.B.97.GP. Mr.Finch. ---------- I am sorry that the investigation into the Owner's complaint of poor oil consumption has led to… | ||
| scan0109 | Specifying the correct replacement part number for broken Bentley exhaust manifold studs. | ||
| View original record | MR. EASTON. MR.WEBB. MR.CONWAY. MR.DONOVAN. March 22nd,1937. BENTLEY EXHAUST MANIFOLD STUDS. I give below copy of a memo received from Rm/GWH:- "Please note that when studs are found broken, "the… | ||
| scan0110 | Flatness error discovered during testing of Bentley cylinder heads. | ||
| View original record | Copy. BY C. to RHC. RHC/EG.1/DB.24.3.37. Re: Bentley Cylinder Heads. We have tested a number of Bentley heads and Cylinder Blocks and find a general error of approximately .003" out of flat. This… | ||
| scan0111 | 4¼-litre chassis with excessive oil consumption being returned for investigation. | ||
| View original record | Copy to GWH K/W. Hd. K/KC/DPB/24.3.37. Chassis No.B.97.GP. Engine No.J.6.BY. L.Finch Esq. (Agent:Woodcote Motors). Mileage approx: 5,000. -------------------- Confirming my telephone conversation this… | ||
| scan0112 | Customer annoyance over a prolonged delay caused by experiments on their car. | ||
| View original record | S/W Rm/GWH. C3/C22.3.37 Re B.97.GP...L.Finch, Esq. ------ Thanks for your memo. and I quite appreciate that it is valuable for you to be able to carry out experiments on cars such as this; but that… | ||
| scan0113 | Issues with Bentley piston rings, comparing heat stressed vs. hammered stressed types. | ||
| View original record | LNH. Hs. from Rm/GWH. E. By Rm. Kingsbury. Rm/GWH1/R.11.3.37. BENTLEY - PISTON RINGS. The Kingsbury Department has recently been receiving piston rings that are apparently heat stressed in place of… | ||
| scan0114 | Investigation into high oil consumption in 4¼-litre Bentley engines, finding cylinder heads were hollow. | ||
| View original record | GNH H. from Rm/GWH. By. RHC. Rm. Kingsbury - 9.3.31. 4¼-litre Bentley Cylinder Heads. We have been investigating a high oil consumption job here, and in doing so we checked the cylinder head base for… | ||
| scan0115 | Sparking plug tests conducted on two chassis to investigate complaints of misfires. | ||
| View original record | To Bentley Motors Ltd. Derby.................. Copy to CWH. Levallois Sr/VA3/ET.5.2.37. Re: COMPLAINTS OF MISFIRES Testing of Sparking Plugs With reference to our Sr/VAI/ET.1.12.36, we are pleased to… | ||
| scan0116 | Cylinder wear caused by S.U. carburetters and cold starting procedures. | ||
| View original record | 25 RUE GIDE. LEVALLOIS-PERRET. Seine, France. Rm/GWH/7/JAB. 6th February 1937. To. Rm. I have received your memo. Rm/I5/R.4.2.37. With regard to the mixture controls on the Bentley, I did not write… | ||
| scan0117 | Response memo addressing issues with mixture controls, trial cars, and sparking plugs. | ||
| View original record | Rm/WWH from Rm. Franco Brittanic Auto Co.Ltd., 12 Avenue George V, PARIS 8. Thank you for your notes. Dealing with these as follows:- I. We cannot believe that the Mixture Controls on the Bentley are… | ||
| scan0118 | Logistics and progress of 15,000-mile car testing involving chassis 6B4 and 3B4. | ||
| View original record | - 2 - 15,000 mile Cars. If you can get Paris to carry out the work on 6B4 while you are running the PhIII it would help us a lot. We have got 3B4 ready to come out and even if you spend all your time… | ||
| scan0119 | Blueprint diagram showing a modification for a Bentley 25/30 cylinder to address cracking. | ||
| View original record | BENTLEY & 25/30. CYLINDER. CRACKS EXTRA SCREW. | ||
| scan0120 | Cylinder block wear, linking it to the carburettor's strangling action during starting and proposing a control modification. | ||
| View original record | GWH Rm from Rm/GWH 2nd February, 1937. Bentley. ------- I enclose cylinder block wear chart for January, 1937. We are of the opinion that the strangling of the Carburettor when starting has a lot to… | ||
| scan0121 | Cracking cylinder blocks on Bentley and 25/30 models due to the water pump inlet studs, with a suggested design alteration. | ||
| View original record | To E from Rm/GWH c to By. c to RHC. c to Rm/Std. GW 1H Kingsbury, 1st February, 1937. Bentley and 25/30. Water Pump Inlet to Cylinders. There have been several instances when the cylinder block has… | ||
| scan0122 | Potential clogging of Voke's air filters on Bentleys and proposing tests on an oilcarb cleaner for the Phantom III model in Africa. | ||
| View original record | Rm/Wym. from Rm. Rm/GWH. Rm10/R.25.1.37. AIR CLEANER. It occurs to us that the Voke's filter which we fitted to the earlier type Bentleys may, in some cases, be getting choked up. We should like to… | ||
| scan0123 | Broken valve spring for Bentley chassis B.30-HK, belonging to Capt. J.P. Howey. | ||
| View original record | K. c. Rm/GWH. c. Hs. c. C. --------- BY.3/G.6.1.37. BENTLEY CHASSIS B.30-HK. CAPT. J.P. HOWEY. BROKEN VALVE SPRING. This was due to an intermittent seam in the wire. We think our new method of etching… | ||
| scan0124 | The return of damaged parts removed from chassis B.30.HK. | ||
| View original record | K/W. KC to...Rm. K/KC/DPB/2.1.37. Chassis No.B.30.HK. Captain J.P.Howey. Mileage 8586. On the instructions of Rm/GWH we are returning to you under cover of our advice note No.94 the broken valve… | ||
| scan0125 | Cover sheet regarding the seizure of big end bearings. | ||
| View original record | G W H. RHC. from Rm. c. to Hd. c. to Swdl. c. to Rm/Mths. Rm9/R.1.12.36. re: Seizure of Big End Bearings. Herewith copy of memo received from GWH. for your information. Rm. | ||
| scan0126 | Cylinder bore regrinds and resulting oil consumption figures for various cars. | ||
| View original record | K/W. GWH...to Hs. c to E. c to By. c to RHC. c to Rm. GWH/DPB/22.12.36. CYLINDER BORES AND OIL CONSUMPTION. ------------------ B.86.GA. Reground at Bentleys .010 oversize. Oil consumption 1600.m.p.g.… | ||
| scan0127 | Issues with Bentley cylinder blocks, rectifications by grinding, and piston ring performance. | ||
| View original record | To Hs. from Rm/GWH. RHC. Rm/GWH.11/AP.7.12.36. BENTLEY CYLINDERS. Working in conjunction with RHC. and Rm. two cylinder blocks were finished with the exception of honing. It was arranged to have them… | ||
| scan0128 | Inspection and investigation of Bentley cylinder blocks. | ||
| View original record | To Rm/GWH. from RHC. (Kingsbury) RHC.3/WFC.3.12.36. BENTLEY CYLINDER BLOCKS. Replying to your memo, ref. Kingsbury 30.11.36, as suggested by you we should very much like to see the cylinder block… | ||
| scan0129 | Cylinder bore wear for a Bentley 3½-Litre, chassis B.3.CW. | ||
| View original record | K/W. Rm. GWH/DPB/22.12.36. BENTLEY CYLINDER BORE WEAR. ------------------------- Becker. Chassis No.B.3.CW. 3½-Litre. ------------------------- We give below the comparative wear of cylinder bores… | ||
| scan0130 | Big end bearing failure and comparing cylinder honing versus grinding techniques. | ||
| View original record | Rm. from Rm/GWH. KINGSBURY. Nov.30/1936. Re: SEIZURE OF BIG END BEARINGS. MRS. MEYER B.127.CW. This car was towed in from Keston, Kent; the mileage of the car was 34,267. Upon dismantling and… | ||
| scan0131 | The grinding and sizing issues of two Bentley cylinder blocks. | ||
| View original record | GWH RHC. from Rm/GWH. KINGSBURY. 30.11.36 BENTLEY CYLINDER BLOCKS. The two cylinder blocks, diamond bored, leaving approximately .002" for grinding, arrived here. We have sent them to be ground… | ||
| scan0132 | Cover note for correspondence regarding the grinding of cylinder bores. | ||
| View original record | W/LH. - GWH. Hs.10/KW.25.11.36. Herewith some further correspondence we have had with K. regarding the grinding of cylinder bores. Hs. | ||
| scan0133 | Cost breakdown and charges for engine regrinding and new pistons. | ||
| View original record | C O P Y. K/W - Hs. K/KC/DPB/23.11.36. In reply to Hs.7/KW.21.11.36, I have to admit that I have no direct charges for regrinding only, as all cases sent to Derby have been fitted with new pistons. A… | ||
| scan0134 | Comparative costs of regrinding cylinders at Derby and London. | ||
| View original record | COPY. W/K - KC. Hs.7/KW.21.11.36. Mr. Hancock has sent me your memo. K/KC/DPB/20.11.36, giving the comparative costs of regrinding cylinders at Derby and London. I have submitted these figures to the… | ||
| scan0135 | Comparative cost analysis for oversize cylinder bore services between Derby and London. | ||
| View original record | K/W. KC to Rn/GWH. K/KC/DPB/20.11.36. OVERSIZE CYLINDER BORES. COMPARATIVE COSTS. --------------------- (A) DERBY. LONDON. Works charge per block.... £2. 8. 0. Specialists charge per block.£1.16.0… | ||
| scan0136 | Supervising 10,000-mile tests, investigating owner complaints, and managing repairs. | ||
| View original record | GWH To Hs. from GWH. Lillie Hall. 18.11.36. The position assigned to me is supervising the 10,000 miles tests in England and France, investigation of owners' complaints and giving advice as far as… | ||
| scan0137 | Issues with noisy tappets in 3½ & 4¼-Litre Bentley engines caused by bent and worn push rods. | ||
| View original record | GWH To Hs. RHC. E. By. Rm. 3½ & 4¼-Litre Bentley Push Rods. Complaints of noisy tappets are in many cases found to be due to the permanent bending of the push rods. It appears to be a growing trouble.… | ||
| scan0138 | Cover note for enclosed information regarding Bentley Fabroil Timing Gears. | ||
| View original record | CWH To Rm. Nov.11th, 1936. Bentley. Fabroil Timing Gears. With regard to your request re the above I have got the information as far as possible which I enclose. GWH. | ||
| scan0139 | Complaints of bending push rods on the Bentley chassis and proposed material modifications. | ||
| View original record | EE/CS. (Struck through) c. Rm. (Struck through) c. Rm/GWH. BENTLEY CHASSIS - PUSH RODS. We are having complaints that the push rods on the Bentley chassis are bending slightly under the load. I think… | ||
| scan0140 | Increasing complaints of bending push rods on the 4 1/4 litre Bentley engine. | ||
| View original record | To By. c to Rm. Kingsbury. Nov.13th.1936. Bentleys. Complaints Push rods bending. This complaint is on the increase with the 4 1/4 litre. I have not reported this trouble previously, but there are too… | ||
| scan0141 | The despatch of two Bentley cylinder blocks to the Kingsbury Service Station. | ||
| View original record | D/HPr From RHC. c.c. to G/ME. c.c. to G/Genw c.c. to Insp c. to Bu/GSH. RHC/SS.4/HJ.21.11.36. BENTLEY. O/N. 54107. We are sending into the Stores for despatch to the Bentley Service Station, Kingsbury… | ||
| scan0142 | Poor finish of replacement cylinder bores for 3 1/2-litre Bentley engines, its impact on oil consumption and other issues. | ||
| View original record | K/W. KC to Hs. K/KC/DPB/10.11.36. The standard finish of Cylinder Bores. Replacement Cylinders 3 1/2-litre Bentley. -------------------- In accordance with your Hs13/KW.2.11.36. I am of the opinion… | ||
| scan0143 | Cylinder bore finish, its effect on oil consumption, and comparing grinding versus mirror finishing techniques. | ||
| View original record | -2- K/KC/DPB/.10.1.36. All the bores exhibited a hard bearing mark just below the blending of the water jacket into the trunks of the cylinder bores (extensions). This block was returned to W (Hs/RM)… | ||
| scan0144 | Oil consumption and a comparison between cars with and without 'L' shaped rings during London Trials. | ||
| View original record | Handwritten: G.W.H - Can you get the Curve of oil consumption improvement for these two cars Am Stamped: S/W. Rm. C. to Hs. C. " Mx. Typed: GUL - London Trials. We note that this car is not fitted… | ||
| scan0145 | Short memo thanking for further information on Bentley cylinder bore wear. | ||
| View original record | W/K KC. c. to GWH. Hs/Rm.12/KW.9.10.36. Many thanks for the further information on Bentley cylinder bore wear. This detailed information is of the greatest value to us. Hs/Rm. | ||
| scan0146 | Enclosed cylinder wear results for a Bentley from Kingsbury, with further results expected from Paris. | ||
| View original record | SWH To Hs/Rm. Kingsbury, Oct. 8th, 1936. Bentley. I am enclosing cylinder wear results from Kingsbury as promised. The results of the lubricated cylinders via. the con rod are indicated by a red line.… | ||
| scan0147 | The examination of a Bentley B-8-GA cylinder block and piston rings due to excessive oil consumption. | ||
| View original record | To Hs/Rm. Levallois, Sept. 24th, 1936. Bentley. I enclose measurements taken of the cylinder block of B-8-GA. Sr. complained of excessive oil consumption after the engine had been refitted up with new… | ||
| scan0148 | Stripping down a 6-B-IV engine for inspection of its crank journals and bearings. | ||
| View original record | -2- We are stripping 6-B-IV engine down completely. Measurements of the crank journals and bearing will be carefully taken, condition etc. Sr. is unwell today. I am going down to see him and have a… | ||
| scan0149 | Blueprint showing cylinder wear measurements for the Paris Trials Car B 8 G.A. cylinder block. | ||
| View original record | PARIS TRIALS CAR B 8 G.A. CYLINDER BLOCK. 22360 K.L.S. SEPT. 24TH '36 TOP N° 1A 1/8 FROM TOP 5 1/2" 2 7/8 TO 3" 2 1/8" TRUNK BOTTOM 3220 THOUS TOP N° 1B TRUNK 3210 THOUS CYLINDER WEAR. | ||
| scan0150 | Measurement chart for the B8 G.A. Cylinder Block from the Paris Trials Car. | ||
| View original record | PARIS TRIALS CAR. B8 G.A. CYLINDER BLOCK. CYLS. MOUTH. 2 1/8" FROM SKIRT. 2 7/8" TO 3" FROM SKIRT. 5 1/2" FROM SKIRT. 1/8" BELOW TOP OF CYL. 1 A 3.500 B 3.500 A 3.500 B 3.501 A 3.502 B 3.50175 A… | ||
| scan0151 | On the resolution of excessive oil consumption after fitting oversized cylinders and pistons to a Kingsbury. | ||
| View original record | SWH To Hs/Rm. Cricklewood, Sept. 18th, 1936. Bentley. I have investigated the trouble of excessive oil consumption and overoiling which Kingsbury experienced after fitting oversize cylinders and… | ||
| scan0152 | Cylinder wear, replacements, and regrinding procedures. | ||
| View original record | Hs/GH. K/KC/DB/2.9.36. Herewith details of cylinder wear taken at R.10 and R.20 at K. during the month of August, together with details of the replacement cylinder block used when a regrind was… | ||
| scan0153 | Report from J.B. Dixon to GWH detailing issues with valve gear, brake squeaks, and oil consumption on specific vehicles. | ||
| View original record | To. GWH. BENTLEY. London 10.7.36 Bentley Push Rods. 260 GA. 960 Miles. Valve Gear clicking badly. The small ball end of the push-rod had worn leaving a projection .006" approx. proud of the radius… | ||
| scan0154 | Re-boring limits for Bentley cylinders. | ||
| View original record | Hs/Rm. (struck through) c to BY. (struck through) c to K. G.W.H. Hd/SB10/HR.6.7.36. With reference to your Hs/Rm10/KW. 4.7.36., enclosing copy of report from GWH. concerning the question of re-boring… | ||
| scan0155 | Typed memo discussing customer complaints and repair policies for Bentley vehicles. | ||
| View original record | COPY. Cricklewood, July 3rd, 1936. To Rm. I have been over to the Bentley Depot and have left Dixon there to get all the information possible. They are dealing with the clutch trouble in a sensible… | ||
| scan0156 | Modifications and experiments for EAC & Goshawk connecting rods. | ||
| View original record | To Hs. from R. c. to CJ. BY. +5030 R1/M12.6.25. EAC. & GOSHAWK CONN. RODS. X.8030 X.8030 Referring to the old 40/50 rods, the only great change we can find is not fitting bushes to the big ends. I… | ||
| scan0157 | Proposed redesign of the 20 HP chassis connecting rods based on the Phantom model. | ||
| View original record | To BY. from E. c. to CJ. R. Hs. X5030 E2/M7.1.26. 20 HP. CHASSIS CONNECTING RODS. X.5030 X.8030 In reply to your memo. BY23/H29.12.25., giving experiences of 20 HP. connecting rods white metalled… | ||
| scan0158 | Instruction regarding the use of connecting rods with separate liners for the 20 HP model's 10,000-mile run. | ||
| View original record | X5030 E. } HY. } FROM R. HS. } c. to CJ. BJ. RE. INDIA. X.5770 X.5030 R1/M19.1.26. The next 20 HP. to run 10,000 miles should have connecting rods with separate liners instead of whitemetalling the… | ||
| scan0159 | Design modifications for connecting rods on a 20 HP car. | ||
| View original record | X.5030 Hs. from E. c/o to BY. LE CANADEL. PAR LE LAVANDOU. VAR. 20 HP. CON. ROD. X.5030. Referring to your memo. Hs5/LG15.1.26. concerning 20 HP. car for 10,000 test. Mr. Royce would like this car… | ||
| scan0160 | Standardisation of chassis parts for connecting rods with loose big end bearings. | ||
| View original record | RR 788 (10H) (DB130 12-9-24) MS 301225 STANDARDISATION of CHASSIS PARTS. Handwritten at top: X5030 Completed 19.5.26 Description of Parts: CONNECTING RODS WITH LOOSE BIG END BEARINGS. Origin: To… | ||
| scan0161 | Report regarding complaints from the Sydney repair depot about blocked oil leads in 20 HP engines. | ||
| View original record | Hm. Derby. C. to Hs. Derby. EpP. " WHP. London. X5030 Pt. 6/FM-31/3/27. Mr. Appleby in charge of Sydney repair depot is still complaining that he has had several cases of 20 H.P. engines which when… | ||
| scan0162 | Report comparing the weights of tubular section connecting rods from various car models. | ||
| View original record | To R. from Hs/Rm. c.c. to BJ. Wor. c.c. to E. DA. c.c. to BY. X5030 Hs/Rm3/LG18.10.27. TUBULAR SECTION CONNECTING RODS. X4744 X5030 In a previous report comparing the reciprocating specific weight of… | ||
| scan0163 | Comparison of engine component dimensions and weights for 20 HP, Lorraine, 40/50 HP, and Hispano engines. | ||
| View original record | DETAIL. | 20 HP. | Lorraine. | % diff: of Lorraine wt. | 40/50 HP. | Hispano. | % diff: of Hispano wt. Conn: rod length. | 7.95" | 9.062" | | 11.5" | 11.8" | Total connecting rod weight. | 1.551 |… | ||
| scan0164 | Issue of choked oil tubes in 20HP Connecting Rods. | ||
| View original record | Ft. Australia. C. to Hs. C. to EP. G.W/S War. X.5030 Hm1/EW21.10.27. Pt6/FM31.8.27. We have not yet come across a case of choked oil tubes of 20HP. Connecting Rods. It would perhaps be advisable, when… | ||
| scan0165 | Modifications to the 20 HP crankshaft and connecting rod, increasing dimensions and introducing a new tubular pattern rod. | ||
| View original record | BY. from E. c. to BJ. Hs. 45030 E1/M10.12.27. 20 HP. CRANKSHAFT AND CONN. ROD. X.5010 X.5030 X.5000 We send you herewith LeC.2498 shewing modifications to the new 20 HP. crankshaft whereby the dia. of… | ||
| scan0166 | Letter discussing clogged oil passages in gudgeon pin bushes and potential causes of heavy carbon deposits. | ||
| View original record | Ma. Derby. C. to Mr. London. (crossed out) Hs. Derby. H.A. (crossed out) X5030 Pt.4/FH-14-3-28. In reply to your Ha.1/EW-21-10-27, I beg to advise you that I have had despatched to Captain Hallam at… | ||
| scan0167 | Connecting rod oil pipe obstruction and a related laboratory report. | ||
| View original record | /5030 Pt. - Australia. C. to Hs. C. to EP. C. to Whr. RECEIVED APR 13 1928 Hm/NRC4/KW13.4.28. Re Connecting Rod Oil Pipe Obstruction. In reply to your Pt4/FM14.2.28, we have carefully examined the… | ||
| scan0168 | Laboratory report on deposits from oilways of connecting rods and gudgeon pin bushes. | ||
| View original record | C O P Y. Hm/NRC. Laboratory. Report No. L1176. Re Deposit from Oilways of Con. Rod from Chassis CSK-10 and four Gudgeon Pin Bushes from chassis 6-TB - Pt4/FM14.2.28. We have examined the deposit from… | ||
| scan0169 | Secret memo comparing two connecting rod designs (E.55304/5 and LeC.2703) for the China Chassis. | ||
| View original record | X6020 By. from E. SECRET. E1/M3.6.29. c. to Sg. Hs. CHINA CHASSIS. CONNECTING RODS. X6020 We find E.55304 & 5 and LeC. 2703. are practically no different,. The former has a little less clearance with… | ||
| scan0170 | The specification for China Chassis connecting rods. | ||
| View original record | E. c. Hs. X5030. BY/Cgh3/G.6.6.29. X5030 CHINA CHASSIS CONNECTING RODS. With reference to E1/M3.6.29. the clearance with the connecting rods shown on E.55304 and 5 is just as much as with the rods… | ||
| scan0171 | Design decisions for connecting rods across various engine types. | ||
| View original record | RG. BY. HS. FROM R. C. to - SG. WOR. ENGINE WORK - CONNECTING RODS. X.3859. X.5030. While RG. was here yesterday (Nov,18.) we settled the exact proportions of the new articulated rod for all Vee… | ||
| scan0172 | Specification note on the design of rods and the lining of mild steel bushes. | ||
| View original record | (2) split pin and a groove between the hexagon and collar for light-ness and ease of milling. Mild steel bushes for all these rods will be lined with standard babbit or Hall's anti-friction according… | ||
| scan0173 | Connecting rod length for the Improved 25HP model, analyzing its impact on engine vibration and inertia with a comparative graph. | ||
| View original record | R. FROM E. X5030 EL/11.1.31. C. to SG. WOR. C. to HS. BY. CONNECTING ROD LENGTH IMPROVED 25HP. X.5030. K.634. Referring to HS/RML/MJ9131., we have always had the impression that the 25HP. manifested… | ||
| scan0174 | Table and notes detailing actual rod lengths for different engine specifications. | ||
| View original record | (2) The actual rod lenghts are given in the following table : | STROKE | CON. ROD. | ENGINE | RATIO. | |--------|-----------|----------------|--------| | 4.5 | 7.95 | Standard 25. | 1.77 | | 4.5 |… | ||
| scan0175 | Ratio of connecting rod to stroke for 25HP and 45HP car engines. | ||
| View original record | BY. E. HS.) FROM R. (At Le Canadel.) C. to SG. WOR. DA. CAR ENGINES. 25HP & 45HP. CON. ROD LENGTH, ETC. X/5030 R1/M16.1.31. X. 7030 X. 5030. I have thought over HS/RM's and E's memos. concerning the… | ||
| scan0176 | Calculations on crank radius to rod length ratio and its effect on engine forces and flywheel inertia. | ||
| View original record | (2) If my conclusions are not correct perhaps E. and HS/TSN. will write to me again on the subject. I read Mr. Elliott's memo. - r/l :- r = crank radius, l = rod length. If this is correct my… | ||
| scan0177 | Engine design choices including crank pins, governors, and connecting rod lengths for the 'JAPAN 3. ENGINE'. | ||
| View original record | E. HS. FROM R. (At Le Canadel.) C. to SG. WOR. BY. C. to HY. RHC. X8030 R4/M29.1.31. JAPAN 3. ENGINE Lec. 2853 X.5770. X.5030. X.6105. This seems quite right. The only additional suggestions I can… | ||
| scan0178 | Issue where the connecting rod big end no longer fits through the cylinder bore. | ||
| View original record | X6030 RHC. FROM E. SECRET E2/M7.2.31. C. to SG. R. WOR. C. to HS: BY. JAPAN 3. CON. ROD BIG END. We notice that owing to the increase in dia. of the crankpin over the 25 HP. the con. rod big end will… | ||
| scan0179 | Fitting 'Japan' connecting rods to 'China' engines to achieve higher compression ratios. | ||
| View original record | RHC. From Hs/Rm. Y5030. Hs/Rm.2/MJ.11.7.31. JAPAN RODS FOR CHINA. We find that fitting "Japan" con. rods to "China" engines and then putting packing pieces under the cyl. blocks is a very convenient… | ||
| scan0180 | Design of the J. 3 connecting rod, referencing drawing LeC. 2932. | ||
| View original record | X5030 BY. FROM E. C. to SG. WOR. HS. J. 3. CONNECTING ROD. E1/117.8.31. We send you herewith LeC. 2932. shewing the rod for J. 3. This is arranged for a 2.125" crankpin, at which diameter the big end… | ||
| scan0181 | The design and evolution of lubricating grooves for main bearings and con-rods in aero and car engines. | ||
| View original record | COPY. To R. from E. c. Sg. Wor. Rg. Hs. By. Hy. X5030. E.5/HP.10.2.33. X.5030. X.7030. X.3992. X.3859. Aero and Car Engines. LUBRICATING GROOVES. This memo is to confirm that your views with regard to… | ||
| scan0182 | Query regarding when to perform a split-pin job on connecting rod bolts for the 20/25 HP model. | ||
| View original record | S/W. E... from PN. [Text struck through] Copy to Sg. Wor. [Text struck through] Hs. Hd. [Text 'Hd.' struck through] 15030 [Handwritten] PN.4/WT21.3.33 Depot Sheet No. Hd.245 Connecting rod bolts 20/25… | ||
| scan0183 | Cancelling a previous notice concerning connecting rod bolts for the 20/25 HP model. | ||
| View original record | XJ5030 S/N. ... from PH. Copy to Wgr. C PH.16/WTE2.3.33. Depot Sheet No. Hd.245. Connecting rod bolts 20/25 H.P. Please note that I wish to cancel DN.4/WTE21.3.33 in view of Wor.1/GR27.2.33, which has… | ||
| scan0184 | Two designs for drilled up connecting rods for the Bentley and 20-HP models. | ||
| View original record | COPY. X5030 To RHC. from E/JNR. E/JNR.5/HP.5.7.33. c. Hs. Drilled up Connecting Rods. We send you herewith: LeC.3559 showing two designs for the Bentley and 20-HP connecting rods. Will you please have… | ||
| scan0185 | Implementation of standardized connecting rods with oil tubes for the 20/25, Bentley, and A.2. series chassis. | ||
| View original record | E. Hs. c. BY/CS. K5030 BY.2/G. 21.9.33. CONNECTING ROD - RE: OIL TUBES CARRYING THE OIL TO THE UPPER END. Referring to E.8/HP.19.9.33 we have already arranged to bring in the same connecting rod for… | ||
| scan0186 | Recommendation to adopt a modified oil pipe fixing from the Bentley for model 18-G4 after a 10,000-mile test failure. | ||
| View original record | To E. From Hs. c. to By. c. to By/SC. 83030 Hs.2/MJ.23.9.33. Replying to By.2/G.21.9.33. Considering that 18-G4, on its 10,000 miles test came back with most of the oil pipes broken, we recommend that… | ||
| scan0187 | Standardisation of parts for drilled up connecting rods. | ||
| View original record | RR 788A (SH) (S2674, 16-10-33) BM. 3/262/6. COMPLETED 14.4.34. 20/25 STANDARDISATION of PARTS. Date 29.3.34 23.2.34 Description of Parts. DRILLED UP CONNECTING RODS. X No. 5030 Drawing LEC. No. 3559.… | ||
| scan0188 | Print of an aluminium Connecting Rod for the 20/25 model designed by the Bohn Aluminium Co. of America. | ||
| View original record | X5030 To E. Hs/Rm.16/KW.3.5.34. Herewith is a print of an aluminium Connecting Rod for the 20/25, which was designed by the Bohn Aluminium Co. of America for me. Hs/Rm. | ||
| scan0189 | Modifications to a drop-forged connecting rod for the 25-30 HP and Bentley models. | ||
| View original record | LF Smith Any Comments? P BY: c. THC. Sft. Hs/Rm. BSJ. E/JNR.2/HP.6.1.36. Drop Forged Connecting Rod - 25-30 HP. and Bentley. We send you herewith:- LeC.4888 showing a black connecting rod as can be… | ||
| scan0190 | Requesting the weight of a 25/30 HP forged connecting rod before committing to the production of sinking dies. | ||
| View original record | To RHC. 514 Hs/Smth.19/KW.13.1.36. 25/30 HP. Forged Connecting Rod LeC.4888-4903. This rod has now been detailed on drawing Nos.E.60811/2. We think it is important that we should know the weight of… | ||
| scan0191 | Instruction to modify the 25/30 connecting rods to match the specifications of the large bore Bentley, specifically regarding the oil feed hole. | ||
| View original record | To By. c. to E. c. to Da. X514 Hs/Gry.12/KW.25.2.36. 25/30 Connecting Rods. Will you please instruct for 25/30 production con. rods exactly the same as on the large bore Bentley. We had previously… | ||
| scan0192 | Responding to a verbal enquiry about coined connecting rods, referencing a scheme for the 25/30 HP car. | ||
| View original record | Rm/Smth. Rm Pass for you GRY 514 E/Lid.6/HP.27.1.37. re Forged Connecting Rods. In reply to your verbal enquiry re coined connecting rods, we issued a scheme LeC.4888 for the 25/30 HP. car on the 6th… | ||
| scan0193 | Experimental testing of 25/30 connecting rods made direct from a new forging process. | ||
| View original record | Rm/Smth. from Rm. S.14 Rm20/R.28.1.37. We want to test experimentally some 25/30 connecting rods made direct from the forging without the panel, milling, etc. which is at present in vogue. We think… | ||
| scan0194 | Reinforcing the 20HP Chassis engine suspension tube to prevent bending. | ||
| View original record | c. to Hs. X5000 BY/SS3/DB.22.3.26. Re 20HP Chassis - Crankcase & Bearings. Sec:5000. Engine Suspension Tube. We give below copy of memo BY4/H.12.3.26:- "We have had one case of this tube bending on… | ||
| scan0195 | Modifications to the 20 HP crankshaft and connecting rod, increasing the crankpin diameter and oval web width. | ||
| View original record | BY. from E. +5800 c. to BJ. Hs. E1/M10.12.27. 20 HP. CRANKSHAFT AND CONN. ROD. X.5010 X.5030 X.5000 ------------------------------- We send you herewith LeC.2498 shewing modific- ations to the new 20… | ||
| scan0196 | Potential engine improvements, including the crankshaft, cylinder head, and induction system. | ||
| View original record | E. from R. X5000 R3/M28.2.28 c. to E.J. Wor. BY. Hs. INDIA S. X.5770 X.5070 X.5230 X.5030 X.5010 X.5000 In addition to the 6 items given in DA/EV/24.2.28., we ought to get some engine improvements :… | ||
| scan0197 | Four propositions for modifying the 20 HP cylinder for the India Chassis models. | ||
| View original record | R. from E. c. to BJ. Hs. By. +5000 E1/M15.3.28. INDIA CHASSIS. X.5770 X.5000 X.5050 X.5060 Owing to the position of the foremost and rearmost cyl. studs on the centre line of the engine, the present… | ||
| scan0198 | Design, positioning, and lubrication of an adjustable carrier wheel. | ||
| View original record | R. from E. c. to BJ. Hs. BY. 43000 E2/M31.3.28. INDIA 3. ADJUSTABLE CARRIER WHEEL. X.5170 X.5000 X.411 Please find herewith a blueprint of LeC.2539 shewing the above. The carrier wheel is a steel one… | ||
| scan0199 | Blueprint for the INDIA 3 crankshaft and bearings, focusing on lubrication systems and design alterations. | ||
| View original record | X5000 R. from E. c. to BJ. Hs. BY. E2/M17.4.28. X.5010 X.5000 INDIA 3. CRANKSHAFT & BEARINGS. We send herewith blueprint of LeC.2545 dealing with the above. This drg. has been made chiefly to shew… | ||
| scan0200 | Crankchamber material and crankshaft lubrication with a diagram. | ||
| View original record | Hs. E. from R. BY. c. to BJ. +5000 R3/M24.4.28. INDIA 3. RE. LEC.2546. X.5000 X.5010 We do not anticipate any great change in the crankchamber, so that duralumin caps and studs for bearings and cyl.… | ||
| scan0201 | Modifications to the India 3-cylinder block to accommodate larger valves. | ||
| View original record | BY. from E. c. to BJ. Hs. X5000 E3/M29.6.28. INDIA 3. CYL: BLOCK. X.5060 X.5000 We send here-with LeC.2569 shewing the above. It will be remembered that this cyl. block requires a crankchamber of the… | ||
| scan0202 | Four-point engine mounting scheme for the India 1V model. | ||
| View original record | R. from E. c. to Sg. Wor. c. to Hs. BY. +5000 E3/M16.2.29. INDIA 1V. ENGINE MOUNTING. X.5005 X.5000 We have the four point India mounting well in hand to what appears to be a promising scheme to give… | ||
| scan0203 | Confirming a telegram and detailing modifications for increasing the bore of the 20 HP chassis engine. | ||
| View original record | R. from E. +5000 E1/M21.4.29. c. to SG. Wor. c. to Hs. BY. Da. 20 HP. CHASSIS - 3.25" BORE. X.5050 X.5000 We beg to confirm the following telegram received from you on Friday evening with reference to… | ||
| scan0204 | Pattern alterations for a series of 150 'twenty's' based on drawing LeC.2696. | ||
| View original record | contd :- -2- It is understood from BY. that the comparatively simple pattern alterations called for on LeC.2696 could be got in on 'O' series of 150 'twenty's' if desired and authorised. A print of… | ||
| scan0205 | Modifications to the G.4 engine crankcase and 4-point mounting. | ||
| View original record | X5000 SECRET R. from E. E4/M23.4.29. c. to Sg. Wor. Hs. Ey. G.4. ENGINE - CRANKCASE X5005 X7040 FOR 4 POINT MOUNTING ETC. Referring to the 4 point mounting on the G.4. crank-chamber we had come to the… | ||
| scan0206 | Providing an initial assessment and review of a 20 HP Allweather car, model 16-G4. | ||
| View original record | X 5000 SECRET. Hs. } FROM R. Hy. } R4/M26.6.29. c. to Sg. Wor. Pn. E. Da. 20 HP. ALLWEATHER - 16-G4. X 5000 X 5830 This car has the present crankchamber, but a new head and the 3.25" block and… | ||
| scan0207 | Investigation into an oil leak from the crankcase to the flywheel case on a 20 HP chassis. | ||
| View original record | X 5000. For prints see original. To R. from Hs/GWH. c. SS. c. WGT. E. c. De. Ey. Hs/GWH/AM2.10.29. RE : OIL LEAK FROM REAR OF CRANKCASE INTO FLYWHEEL CASE ON 20 H.P. CHASSIS.… | ||
| scan0208 | Investigation into crankcase and flywheel case pressures and modifications to the breather system. | ||
| View original record | -2- even whilst the car is stationary. We find that instead of there being a depression in the crankcase we have a compression which is increased or lowered by the opening or closing of the radiator… | ||
| scan0209 | Crankcase and flywheel case air pressure, detailing tests and modifications to manage it. | ||
| View original record | -3- and flywheel acting as a pump, drives air out of the two large drain holes situated under the flywheel and gearbox. There is no positive inlet for air to enter, other than the annulus round the… | ||
| scan0210 | Production recommendations following a test of crankcase and breather modifications on 20 HP and Phantom models. | ||
| View original record | -4- through the crankcase annulus into the crankcase. A most noticeable feature was the lowering of the compression in the crankcase when the throttle was opened, whereas previous to the alteration to… | ||
| scan0211 | The brake thud and carburation performance of a 25 HP car (Japan). | ||
| View original record | X5000 HS. } FROM R. BY. } R1/M20.8.30. C. to SG. WOR. C. to DA. E. 25 HP. CAR (JAPAN). X.5770. X.5080. X.5000. BRAKES. During the holidays I drove the 25HP. car (Japan) about 700 miles. In that time… | ||
| scan0212 | High engine oil consumption and the need to increase crankcase oil capacity. | ||
| View original record | (2) ENGINE OIL CONSUMPTION. This was rather heavy, and coupled with the fact that the engine does not carry much oil in the crankchamber something should be done to increase the reserve of oil so that… | ||
| scan0213 | Tests carried out to resolve an oil leak from the No. 7 bearing on a 25 HP chassis. | ||
| View original record | X 5000 To Hs. From GWH. c. to E. EY. Hs/GWH.a/MJ.28.8.30. Re. Oil Leak from No.7 Bearing. 25 HP. ---------- We have been carrying out tests on a production chassis with this complaint. The following… | ||
| scan0214 | Oil leaks from the gearbox and No.7 bearing on a 25 HP model, with proposals for modification. | ||
| View original record | -2- Hs/GML.2/ML.23.3.30.Contd. The results of the tests with the 25 HP. show that with the flywheel acting as a pump the least leak of oil occurs but the gear-box leaks are increased. We find that the… | ||
| scan0215 | Testing a one-piece cast iron cylinder block and crankcase for a 20 HP engine. | ||
| View original record | X. 5000. RHC. from HS/Rn. c. Wor. Hs/Rn3/AD29.8.30. X5050. 20 HP. ENGINE ROUGHNESS. R. has agreed that we should test out a cylinder block and crankcase cast in one piece in cast iron. We understand… | ||
| scan0216 | Brakes, the instruction book, and potential crankchamber modifications for the 25 HP Japan model. | ||
| View original record | COPY. X5000. To Hs. From Sg. Sg26/E1.9.30. X.5770. X.5360. X.5420. X.5080. X.5000. X.986. re. 25 HP. Japan. I have just seen R1/M20.8.30. Would you kindly send me a copy of your reply in regard to the… | ||
| scan0217 | Response regarding a temporary brake failure and extra oil in the crankcase for a 25 HP car in Japan. | ||
| View original record | COPY. X5000. To Sg. From Hs. Hs.1/MJ.8.9.30. 25 HP. JAPAN. X.5770. X.5080. X.5360. X.5000. X.5420. X.986. Replying to Sg26/El.9.30. We have sent you a copy of our Hs/Rn.8/MJ.5.9.30., which replies to… | ||
| scan0218 | Requesting to expedite the completion of an experiment on a 20 HP cast iron cylinder block and crankcase. | ||
| View original record | RHC. from Hs/Rm. Hs/Rn4/AD23. 9. 30. X.5000. X.5050. CAST IRON CYLINDER BLOCK AND CRANKCASE. W.W. have been enquiring as to the progress of this experiment on the 20 HP. We shall therefore be obliged… | ||
| scan0219 | Development of a 20 HP cast iron monobloc engine, requesting a casting. | ||
| View original record | To RHC. From Hs/Rn. c. to Wor. x5000 Hs/Rn. 7/MJ. 5.11.30. X.5050. X.5000. 20 HP. CAST IRON CYLINDER BLOCK AND CRANKCASE IN ONE UNIT. R. is still very interested in this type of construction.… | ||
| scan0220 | Redesign of the 25HP crankchamber to increase its oil capacity. | ||
| View original record | X5000 HS. BY. } FROM R. R4/M10.11.30. C. to SG. WOR. CHASSIS WORK - 25HP. In redesigning the 25HP. crankchamber we find it needs to carry more oil in the crankchamber. The .750 gal at present normal… | ||
| scan0221 | Increase of the recommended quantity of oil in the crankcase for 20/25 HP and 40/50 HP engines. | ||
| View original record | X5000 BY/CS c. Sft. c. Mx. c. Hs/Rm. c. DF/Rm. BY6/G.13.11.30. 20/25 HP. - RE QUANTITY OF OIL IN CRANKCASE. R. has definitely decided that we must increase the recommended quantity of oil for the… | ||
| scan0222 | Proposed modification to the sump oil level gauge for the 25 HP engine. | ||
| View original record | By. from Hs/LHS. c. Wor. 85060. Hs/LHS1/AD18.11.30. SUMP OIL LEVEL (25 HP). We propose the following modification to carry out R4/MO.11.30. By increasing the length of the connecting link (E.50263)… | ||
| scan0223 | Proposed design changes for a 25HP chassis engine. | ||
| View original record | SG. HS. } FROM R. C. to WOR. RG. C. to BY. NS000 R1/M11.12.30. 25HP. CHASSIS. X.5770. X.5010. X.5000. (1) It has been decided to keep this in its class by keeping the bore 3.250 so that the chassis… | ||
| scan0224 | List of proposed engineering modifications for an engine and associated components. | ||
| View original record | (2) (d) Cast iron head with 6 separate inlet ports for better distribution and suitable for twin carburetters, larger valves, and much better passages, (and permits of double ignition at any time… | ||
| scan0225 | Crankshaft balancing, crankchamber stiffness, and engine vibration for 25HP and 45HP engines. | ||
| View original record | E. BY.) FROM R. HS. } (At Le Canadel.) X('000 R2/1120.20.12.30. X.7000 X.634 X.5000 X.7010 X.5010 C. to SG. WOR. C. to RG. DA. 25HP. AND 45HP. ENGINES. We have now settled that we must not use cast… | ||
| scan0226 | Proposed improvements to the 25HP and 45HP engines and chassis, specifically regarding crankshafts, suspension, and clutches. | ||
| View original record | (2) One feels that in the improvements we are introducing in the 25HP. all the above will be incorporated. For the 45HP. we need to test the present shaft with the 4 system of balance, using… | ||
| scan0227 | Requesting the assembly of parts for testing a cast iron crankcase. | ||
| View original record | To RHC. From Hs/Gry. x5000. 2010 Hs/Gry.1/KT.14.1.31. CAST IRON CRANKCASE. For testing the cast iron crankcase will you please assemble this with the crankshaft, flywheel, and bottom half of IV.G.8… | ||
| scan0228 | Technical memo detailing the results of tests on 25.HP. crankcase distortion and stiffness. | ||
| View original record | To R. From Hs/Gry. c. to SK. Wor. c. to RG. H. c. to DA. Ry. X5000. Hs/Gry.2/KT.20.1.31. 25.HP. CRANKCASE DISTORTION. We have carried out tests on a 25.HP. crankcase (bottom half absent) to measure… | ||
| scan0229 | Blueprint of a 25 HP crankcase (inverted top half) showing the setup for measuring main bearing deflection. | ||
| View original record | CRANKCASE 25 H.P. (INVERTED TOP HALF) SUPPORT INDICATOR CLOCK ON CENTRE MAIN BEARING. SUPPORT. | ||
| scan0230 | Graph showing crankcase deflections under various loads and conditions for a 25 HP engine. | ||
| View original record | 25 H.P. CRANKCASE DEFLECTIONS CRANKCASE SUPPORTED BY TWO END MAIN BEARINGS; LOAD APPLIED TO CENTRE MAIN BEARING. Y-AXIS: DEFLECTION IN INCHES X-AXIS: LOAD IN LBS. GRAPH LINES AND ANNOTATIONS (from top… | ||
| scan0231 | Proposal to increase the diameter of the crankcase oil filler, which is considered too small, for the 28 HP chassis. | ||
| View original record | Copy for Files E. EP. Hs. X5000 BY3/G.26.1.31. X.7000. X.5000. OIL FILLER FOR CRANKCASE. There seems to be a general impression that our oil filler is on the small side. It certainly appears to me to… | ||
| scan0232 | Design of the oil filler for the crankcase to allow for direct pouring from a can. | ||
| View original record | BY. FROM E. C. to SG. WOR. C. to EP. HS. X5000 E2/M28.1.31. X.7000. X.5000. OIL FILLER FOR CRANKCASE. We agree with your remarks about the oil filler. The present dia. of our oil fillers is based on… | ||
| scan0233 | Mathematical investigations into the benefits of heavy crankshafts and stiff crankcases for the 25 HP engine. | ||
| View original record | To R. From Hs/Gry. c.c. to SG. Nor. c.c. to DA. E. 5000 Hs/Gry.1/MJ.11. 2. 31. 25 HP. CRANKCASE. X. 5000; X. 634. Replying to your RS/MS. 2. 31. We have carried out some mathematical investigations… | ||
| scan0234 | Front end of the crankcase, cross drive, and future proposals for a slipper flywheel and engine suspension. | ||
| View original record | R. FROM E. SECRET. X5000 E1/M12.3.31. C. to SG. WOR. C. to HS. BY. HY. J. 3. - FRONT END OF CRANKCASE AND CROSS DRIVE. Please find herewith a print of Lec. 2884. dealing with the above. Further… | ||
| scan0235 | Prints for the Japan 3 crankcase lower half, oil strainer, and oil level indicator. | ||
| View original record | R. FROM E. X8000 E3/M14.3.31. 6 C. to SG. WOR. C. to HS. BY. HY. JAPAN 3. CRANKCASE LOWER HALF. Please find herewith print of LeC. 2886. shewing the above together with oil strainer, and oil level… | ||
| scan0236 | On a 25 HP integral crankcase and cylinder block, comparing its performance against a standard unit. | ||
| View original record | To H. from Hs/Rm. c. Sg. c. Nor. E. c. Da. Hy. 25 HP. INTEGRAL CRANKCASE AND CYLINDER BLOCK. We have now run the unit with the integral crankcase and cylinder block in cast iron some considerable… | ||
| scan0237 | Experimental results regarding car construction, efficiency, and performance. | ||
| View original record | HS/Rml/AD20.4.31 contd. -2- We have recapitulated the information that we have obtained from this experiment because we consider that the results so far obtained shew that the Americans are justified… | ||
| scan0238 | Positive test results of a 20/25 HP engine with an integral crankcase and cylinder block, recommending its adoption. | ||
| View original record | To R. from Sg. Copy to Wor. E. HS/Rm. Da. By. re 20/25 HP. Integral crankcase and cylinder block. Referring to Hs/Rm1/AD20.4.31, I thought you would be interested to know that I used the car fitted… | ||
| scan0239 | From Sg. to Hs. regarding the 20/25 Oil Sump Capacity, enclosing related correspondence. | ||
| View original record | X5000. To Hs. from Sg. re 20/25 Oil Sump Capacity. Sg9/E27.4.31 I enclose copy of memo. which I wrote to E. the other day and copy of his reply. In the last paragraph he asks if you will confirm the… | ||
| scan0240 | Customer feedback on the small oil capacity of the 20/25 model and a proposal to increase it. | ||
| View original record | To E. from Sg. re 20/25. Sg7/E23.4.31 The other day I met Mr.Minchin and Mr.Guy Knowles, both of whom are, as I think you know, enthusiastic RR users and at the present time owners of 20/25's. They… | ||
| scan0241 | Arguing against the use of cast iron crank chambers due to concerns about weight, performance, and brand reputation. | ||
| View original record | HS. E. ) FROM R. BY. RG.) (At Le Canadel.) SECRET. R3/M24.4.31. X5000 Copy to SG. WOR. J. 3. CAST IRON CRANK CHAMBERS. The somewhat doubtful arguments in favour of the above will not apply to J. 3.… | ||
| scan0242 | Increase of oil sump capacity for the 20/25 & J.3 models. | ||
| View original record | COPY. SG from E. Secret. E1/M25.4.31 20/25 & J.3. OIL SUMP CAPACITY. Referring to SG7/E23431 we are definitely in favour of carrying more oil in the engine and we should like to have two gallons in… | ||
| scan0243 | Increase in the oil sump capacity for the 20/25 HP model. | ||
| View original record | 15000. To Sg. From Hs. Hs.2/KT.29.4.31. Re. 20/25 HP. OIL SUMP CAPACITY. In answer to your memo. Sg.9/E27.4.31. the capacity of the oil sump has already been increased to one gallon with a possible… | ||
| scan0244 | Standardisation of chassis parts to increase engine sump oil capacity to 1.25 gallons. | ||
| View original record | RR 785 (10H) (5459, 24-10-30) 6/3185. X5000 COMPLETED 14.7.31. STANDARDISATION of CHASSIS PARTS. Date 29.4.31. Description of Parts. INCREASING OIL CAPACITY IN ENGINE SUMP TO 1.25 GALLONS. WITH A… | ||
| scan0245 | Form for standardizing chassis parts, detailing the fitting of a new part and associated costs. | ||
| View original record | The number of the first chassis on which the new part will be fitted..... 101 in 'T'. Date when chassis will be handed to test. ................................. 5th. Sept. 1931. Cost of scrapped… | ||
| scan0246 | The results of deflection tests on a 25 HP crankcase. | ||
| View original record | To E. From Hs/Gry. 5000 Hs/Gry.7/MJ.19.8.31. 25 HP. CRANKCASE DEFLECTIONS. Herewith the results we got when we loaded a 25 HP. crankcase both vertically and horizontally, as requested by telephone… | ||
| scan0247 | Blueprint diagram illustrating the setup of an indicator clock on the centre main bearing of a 25 HP inverted top half crankcase. | ||
| View original record | SUPPORT INDICATOR CLOCK ON CENTRE MAIN BEARING. SUPPORT. CRANKCASE 25 H.P. (INVERTED TOP HALF) | ||
| scan0248 | Graph showing crankcase deflections under various loads for a 25 HP engine. | ||
| View original record | 25 H.P. CRANKCASE DEFLECTIONS CRANKCASE SUPPORTED BY TWO END MAIN BEARINGS; LOAD APPLIED TO CENTRE MAIN BEARING. DEFLECTION IN INCHES LOAD IN LBS GRAPH LINES (TOP TO BOTTOM): - CENTRE OF MIDDLE BRG… | ||
| scan0249 | The sending of a drawing print for the J.3. Crankcase, Cylinder Block, and Crankshaft. | ||
| View original record | BY. FROM E. X5000 E1/M29.8.31. C. to SG. WOR. HS. J. 3. CRANKCASE, CYLINDER BLOCK, CRANKSHAFT, ETC. X.5770 X.5000 X.5050 X.5010 We send you herewith a print of LeC. 2938., dealing with the above.… | ||
| scan0250 | Print of drawing Lec. 2943 for a J.3 Crankcase, detailing covers, dynamo mounting, and studding. | ||
| View original record | BY. FROM E. Y.5000 E3/M5.9.31. C. to SG. WOR. HS. J.3. CRANKCASE. X. 5000 X. 5540 We send you herewith a print of Lec. 2943 shewing the crankcase covers and dynamo mounting, together with the studding… | ||
| scan0251 | General scheme for the crankcase, cylinder block, and crankshaft. | ||
| View original record | X5000 BY. FROM E. E1/M5. 9.31. C. to SG. WOR. HS. J.3. GENERAL SCHEME OF CRANKCASE, CYL. BLOCK, CRANKSHAFT ETC. X.5000 X.5050. X.5010: We send you herewith LeC. 2938. dealing with the above. The two… | ||
| scan0252 | Design change to the suction pipe for the J.3. Oil Base End Filter. | ||
| View original record | X5000 BY. FROM E. E4/M12.9.31. C. to SG. WOR. HS. J. 3. OIL BASE END FILTER. We send you herewith LeC. 2949. dealing with the above. The scheme of suction pipe is arranged so that we no longer use… | ||
| scan0253 | The J.3 crankcase cover, dynamo, water pump suspension, and pump drive coupling. | ||
| View original record | BY. FROM E. C. to SG. WOR. HS. X5000 E1/M21.9.31. X.5000 X.5150. J. 3. CRANKCASE COVER DYNAMO & WATER PUMP SUSPENSION AND PUMP DRIVE COUPLING. We send you herewith LeC. 2951. dealing with the above.… | ||
| scan0254 | New single-unit oil level indicator, its features, and its intended use on the Peregrine engine. | ||
| View original record | X5000 BY. FROM E. E2/M26.9.31. C. to SG. WOR. MS. J. 3. OIL LEVEL INDICATOR. We send you herewith LeC. 2954. shewing the above. This particular design of indicator is arranged so that the whole of the… | ||
| scan0255 | Modifications to the crankshaft and crankcase, referencing blueprints to enable ordering of forgings. | ||
| View original record | BY. FROM E. C. to SG. WOR. HS. X5000 E3/M26.9.31. X. 5010. X. 5000 J.3. CRANKSHAFT & CRANKCASE. LeC. 2953. We send you herewith a blueprint of the above giving particulars which will enable you to… | ||
| scan0256 | Conclusions on engine balance weights, flywheel vibrations, and crankchamber deflections. | ||
| View original record | COPY. RC. BY. } FROM R. HS. } C. to SG. WOR. E. X5000 R2/M28.9.31. X634 X7010 X5010 X7000 X5000 re. BALANCE WEIGHTS FLYWHEEL, CRANKCHAMBER DEFLEC- TIONS, & BEARINGS. We have now straightened this… | ||
| scan0257 | The dispatch of drawings for the redesigned Japan 3 crankcase and dynamo drive. | ||
| View original record | BY. FROM E. E1/M28.9.31. X5000 C. to SG. WOR. HS. J.3. CRANKCASE. We expect to post to you tomorrow drawings and blueprints which will supply the remaining information required to complete the… | ||
| scan0258 | Drawings for a crankcase, oil pump installation, front suspension, and electric starter. | ||
| View original record | X5000 BY. FROM E. E1/M29.9.31. C. to SG. WOR. HS. J.3. CRANKCASE ETC. We send herewith LeC.2944., and prints of LeCs 2947. and 2958. The first named shews the oil pump installation and drive, the oil… | ||
| scan0259 | Cover note regarding modifications to the dynamo drive and rear end of the crankcase. | ||
| View original record | COPY. X5000. BY. FROM E. C. to SG. WOR. HS. E3/M3.10.31. X5000 X5100 J.3. DYNAMO DRIVE AND REAR END OF CRANKCASE. We send you herewith the originals of LeCs. 2957. and 2958. dealing with the above.… | ||
| scan0260 | Sending an original drawing of a crankshaft and crankcase and updating a blueprint. | ||
| View original record | COPY. X5000. BY. FROM E. E2/M3.10.31. X5010 X5000 C. to SG. WOR. HS. J. 3. CRANKSHAFT AND CRANKCASE 2953. dealing with the above, We send you herewith the original of LeC. Since sending you the blue… | ||
| scan0261 | Modifications and additions to the J.3 crankcase. | ||
| View original record | COPY. X5000 By. FROM E. C. to SG. WOR. HS. E4/MM15.10.31. X5000 J. 3. CRANKCASE DETAILS. We send you herewith LeC. 2964. shewing some modifications and additions which it has been considered advisable… | ||
| scan0262 | Dynamo and crankcase for Bensport and 20/25 HP engines. | ||
| View original record | COPY. To BY. from E/JNR. E/JNR.7/HP.10.2.33. c. to Wor. Hs. Y4553 re BENSPORT AND 20/25 HP. CRANKCASE. We send you herewith: LeC.3374 showing the dynamo and drive for the above engine. A Phantom 2… | ||
| scan0263 | Trial for a sheet metal baffle for the 20/25 HP crankcase breather. | ||
| View original record | X5000 To RHO. from E./JNK. WYMN E/JNK.2/HP.31.3.33. c. Hs. 20/25 HP. Crankcase Breather. Before we put a cast baffle in the crankcase to prevent the oil running out the breather pipe, we wish to try… | ||
| scan0264 | Instruction memo regarding a replacement Crankcase and experimental larger Oil Filler for the 20/25 HP Chassis. | ||
| View original record | To HHO c. Hs/Rm. x 5070 BY/CS7/EH.26.7.33. Re 20/25 HP. Chassis - Crankcase & Brgs: - Sec:5000. Oil Filler - Sec:5201. Please receive herewith blue prints of the following part detailed to R.R.Scheme… | ||
| scan0265 | Instructing on the new drawings and List of Parts (LOP) for an oil filler on a 20/25 HP chassis. | ||
| View original record | To RHC. c. Hs/Rm. BY/CS13/EH.5.10.33. Re 20/25 HP. Chassis - Oil Filler - Sec:5201. Please receive herewith blue prints of the following new drawing and LOP. detailed in accordance with R.R.Sch.453… | ||
| scan0266 | Standardisation of a larger oil filler for the crankcase on the 20/25 HP chassis. | ||
| View original record | RR 78B (10H) (37133. 28-10-32) BM. 3/9064/1. *5000 CONFIRMED 8.11.33. STANDARDISATION of CHASSIS PARTS. Date 14.7.33. Description of Parts. LARGER OIL FILLER TO CRANKCASE. Origin. To facilitate… | ||
| scan0267 | Form outlining the implementation details for the standardisation of a new chassis part. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS The number of the first chassis on which the new part will be fitted......... When existing material has been used up. Date when chassis will be handed to test. ---… | ||
| scan0268 | Standardisation of parts for a side oil drain in the engine sump. | ||
| View original record | RR 788A (SH) (S2674, 16-10-33) BM. 3/262/6. COMPLETED 12.7.34. 20/25 STANDARDISATION of PARTS. Date 27.4.34. X No. 5000. Drawing LEC. No. 3735. Part List Description of Parts. SIDE OIL DRAIN IN ENGINE… | ||
| scan0269 | Estimated cost for extra jigs, tools and equipment required for the 'F' series. | ||
| View original record | Top right, upside down: RR ASSY (H8) (3261-10-33) WB 27816 Top centre, upside down: A-Z INDEX | STANDARDIZATION | GUIDE [Red stamp: RECEIVED 12 APR 1934] Est. cost of extra jigs, tools and equipment… | ||
| scan0270 | Deletion of two holes in the 25-HP bottom half crankcase following a 10,000-mile test. | ||
| View original record | x5000 To BY. from E/JNR. c. Hs/Rm. GWH re 25-HP. Bottom Half Crankcase. As the result of our last 10,000 mile test the two holes 1.5 diameter which are in the forward web of the oil sump can be… | ||
| scan0271 | Confirmation of a modification to a C.14 Unit front lower half baffle, including a diagram. | ||
| View original record | To Hs/Rm. from RHC. Et By x5000 Rm RHC.1/MS17.9.34. C.14 Unit. [This is to confirm that on stripping C.14 Unit, removed from 21. G. IV.] The front lower half baffle was [found to have been] modified… | ||
| scan0272 | Standardisation of parts document for a modified crankcase baffle to prevent loss of oil pressure when braking. | ||
| View original record | RR TESS (SH) (F394, 30-1-34) BM 3/787/1. COMPLETED 18.10.34. 20/25 STANDARDISATION of PARTS. Description of Parts. MODIFIED CRANKCASE BAFFLE TO PREVENT LOSS OF OIL PRESSURE WHEN BRAKING. Origin. To… | ||
| scan0273 | Cost reduction on the Bentley 25/30 HP chassis by modifying the crankcase. | ||
| View original record | [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] X516 Sft/WNW.1/DR.21.2.36. BENTLEY & 25/30 HP. CHASSIS COST (REDUCTIONS). CRANKCASE (TOP HALF) E.B.2626. In connection with the above… | ||
| scan0274 | Instruction for production of new intermediate main bearings for the 25/30 HP chassis. | ||
| View original record | To Sft. (crossed out) cr Sft/CH. (crossed out) c. Hs/Gry. X516 BY/CS2/EH.21.2.36. Re 25/30 HP. Chassis - Crankcase & Bearings - Sec;5000. With reference to the intermediate main bearings on above… | ||
| scan0275 | Unsatisfactory crankcase rear oil seal on the 25 HP & Bentley and a proposal for a new design. | ||
| View original record | To RHC. X516 Hs/Smth. 5/JH. 27. 2. 36. 25 H.P. & Bentley - rear oil seal. The present crankcase rear oil seal appears to be far from satisfactory on the 25 H.P. and Bentley, and we should like to try… | ||
| scan0276 | Experimental camshaft modification to improve the slow running of the 25/30 unit. | ||
| View original record | To RHC. X516 Hs/Swdl.8/JH.16.9.36. 25/30. In endeavouring to improve the slow running on the present standard 25/30 unit will you please make the following camshaft for experiment.. Inlet and exhaust… | ||
| scan0277 | Crankcase depression tests comparing a 25.HP model with a Chevrolet. | ||
| View original record | To Rm. c. to Rm/Swdl. γ .576. 5.2.37. CRANKCASE DEPRESSION TESTS. We have completed tests to show the difference in the crankcase depression between the 25.HP. and the Chevrolet. On the Chevrolet two… | ||