Rolls-Royce Archives
| Identifier | Entry | ||
| Scan0 | 'Buzzard' oil filter and drawing No. Lec.1223. | ||
| View original record | To DA. from E. [strikethrough]Copy to C.J.[/strikethrough] [strikethrough]" " BN.[/strikethrough] [strikethrough]" " HS.[/strikethrough] [strikethrough]" " BY[/strikethrough] [strikethrough]" "… | ||
| Scan1 | Letter regarding the quarter-scale general arrangement drawing for the 'Buzzard' engine. | ||
| View original record | To D.M. from E. Copy to C.L. " D.H. " H.S. " R.V. " EFC. ORIGINAL E5/G2/7/20. 3 RE GENERAL ARRANGEMENT OF "BUZZARD" ENGINE. X.3786 We send you herewith drawing No. LeC. 1243 shewing quarter scale… | ||
| Scan2 | Drawings and design proposals for the 'Buzzard' crankcase. | ||
| View original record | To DA. from R. Copy to GS. " " BN. " " HLV. " " DEV. " " EFC.X.3787 RE "BUZZARD" CRANKCASE. ORIGINAL E6/G2/7/20. We send you herewith drawings Nos. LeC.1216 and 1222, shewing details of the main body… | ||
| Scan3 | Design specifications for an aluminium piston for repair cars. | ||
| View original record | To D.M. from H. Copy to G.V. [Struck through] " " B.W. [Struck through] " " H.S. [Struck through] " " D.M. [Struck through] ORIGINAL [Stamp] E2/G2/7/20. 3 EFC. x 3559. RE ALUMINIUM PISTON FOR REPAIR… | ||
| Scan4 | Letter discussing drawings and removal instructions for the water pump and dynamo on the 'Buzzard' engine. | ||
| View original record | ORIGINAL. 5 To DA. from E. Copy to Gd. [strikethrough]DIV[/strikethrough] [strikethrough]HS[/strikethrough] [strikethrough]RV[/strikethrough] EFC. X.3812 RE "BUZZARD" ENGINE. X.4026/C We send you… | ||
| Scan5 | Rear ball bearing on the first motion shaft of the 40/50 HP gearbox. | ||
| View original record | To DA. from E. copy to CJ. " " BN. " " BY. " " HS. " " EFC. ORIGINAL. 2 E2/G16/7/20. D 17 JUL 1920 RECEIVED X.4149 RE REAR BALL BEARING ON FIRST MOTION SHAFT. 40/50 H.P. GEARBOX With reference to your… | ||
| Scan6 | Modifications to suspension springs for improved ride quality and testing. | ||
| View original record | To HS. from R. Copy to CJ. ORIGINAL. RE SPRINGS. X.2628 X.1295 RECEIVED 23 JUL 1920 R3/G21/7/20. (7) X.2650 You will notice in some of my recent memos that I have the impression that we have lost… | ||
| Scan7 | Alternative design for the 'Buzzard' cylinder block, including a sketch. | ||
| View original record | To E.A. from E. Copy to G.J. " " B.W. " " P.F. " " T.S. ORIGINAL. E2/G21/7/20. EPC.X.3801. RE "BUZZARD" CYLINDER BLOCK. There is an alternative design for the "Buzzard" cylinder block which Mr. Royce… | ||
| Scan8 | Design of a die-cast oil relief valve for the 'Buzzard' aero engine. | ||
| View original record | To En. from E. Copy to C.J. H.S. EFC. X.4103 ORIGINAL. E C 24 JUL /20. RECEIVED RE OIL RELIEF VALVE - 'BUZZARD'. We send you herewith drawing No. Lec.1251 shewing the above. You will notice that we… | ||
| Scan9 | Requesting an order for Vulture engine crank forgings with reference to drawing Lec.1255. | ||
| View original record | To DA. from E. Copy to GJ. DN. DY. HS. ORIGINAL. E1/G24/7/20. (1) EFC. x.3837. RE "VULTURE" ENGINE. We send you herewith drawing No. Lec.1255 giving particulars of crank for "Vulture" engine. Would… | ||
| Scan10 | Theorizing that cylinder jacket failures are caused by torsion from differential temperatures in exhaust and induction piping. | ||
| View original record | To ~~BN~~ from R. Copy to ~~CJ~~. " " " HS. X4145 ORIGINAL. RE CYLINDER JACKETS. D 29 JUL R7/G27/7/20. RECEIVED XJ432 It has occurred to me that there is just the possibility of some slight torsion… | ||
| Scan11 | Letter discussing a provisional specification and patenting strategy for an electric starter. | ||
| View original record | COPY. ORIGINAL. Confidential 2 Copy to C.J. ) from R. " " EFC. ) Mr Walker R3/G29720. 29th July, 1920. Mr. A.W.Claremont, Vernon House (Sicilian Avenue) Bloomsbury Square, LONDON, W.C.1. Dear Mr.… | ||
| Scan12 | Description of a starter motor mechanism involving a press button, main circuit switch, and multiple circuit branches. | ||
| View original record | Mr. A.W.Claremont. -2- R3/G29720 Contd. through a press button or equivalent switch and (B) the other being the main circuit passing through the starting motor. The former is controlled by the press… | ||
| Scan13 | Telegram received by telephone discussing a consultation and scheme. | ||
| View original record | R.R. 144A (100B.) SE 867. 9.7.18 MP 193871 ORIGINAL! ROLLS-ROYCE, LIMITED. M.D. 9 TELEGRAM RECEIVED BY TELEPHONE. X.4165. Time Received: 2.6 Date: 30.7.20 To: Royce Derby By: GH from: Chichester… | ||
| Scan14 | Telegram message from Royce regarding a preference for a 'four' scheme over an 'earth' scheme, pending lamp availability. | ||
| View original record | R.R. 144A (100B.) SE 867. 9.7.18 MP 19387! ROLLS-ROYCE, LIMITED. TELEGRAM RECEIVED BY TELEPHONE. Time Received By Date 9/2 from To but | scheme | four | is | what I | prefer | we | cannot | consider… | ||
| Scan15 | Drawing made for a Smith Dynamo Type 2D, requesting a blueprint for reference. | ||
| View original record | ORIGINAL To DA. from E. Copy to CJ. " " HS. " " EPC. " " DY. X.295. RE SMITH DYNAMO - TYPE 2D. We send you herewith drawing No. Lec.1261, which we have made for recording the features of the above… | ||
| Scan16 | Design and modifications for the 'Vulture' piston, based on suggestions from Mr. Royce. | ||
| View original record | ORIGINAL. 4 To D&R from E. Copy to EJS A.B.M. S.H.S H.C.V E.Y.W DE2/G30/7/20. RECEIVED 2 AUG 1920 EPC.X.3840. RE "VULTURE" PISTON. We send you herewith drawing No. Lec.1260 giving details of the… | ||
| Scan17 | The 'Buzzard' engine starter motor, referencing drawing No. Lec.1259. | ||
| View original record | TO DA. from E. Copy to Gd. " BN. " HB. " BT. " " EFC. X 3827 ORIGINAL RE "BUZZARD" ENGINE STARTER E1/G30/7/20. 2. AUG 1920 RECEIVED We send you herewith drawing No. Lec.1259 giving details of the… | ||
| Scan18 | New drawing for the 'Buzzard' oil pump, material changes, and requesting a blueprint. | ||
| View original record | To DA. from E. Copy to Sel. " " BN. " " HS. " " DY. EPC.X.36/3.RE "BUZZARD" OIL PUMP. X3784 We send you herewith drawing No. Lec.1258 shewing the scheme for the "Buzzard" Oil Pump and Connections to… | ||
| Scan19 | Drawing Lec.1263 for 'Buzzard' engine crankcase rear arms, detailing differences between the left and right arms. | ||
| View original record | TO DA. from E. Copy to CJ. BN. DY. TIS. EFC. X.3787 RE "BUZZARD" CRANKCASE REAR ARMS. We send you herewith drawing Lec.1263 giving details of the above. The left hand arm carries the bracket for the… | ||
| Scan20 | Particulars of the rear end of the 'Buzzard' crankcase, referencing drawing No. LeC.1262. | ||
| View original record | To BH. from E. Copy to CJ. " " RH. " " HS. " " BY. " " EPC. X 3784 ORIGINAL E2/631/7/20. RE "BUZZARD" CRANKCASE - PARTICULARS OF REAR END. We send you herewith drawing No. LeC.1262 giving particulars… | ||
| Scan21 | Query to Mr. Royce about the correct manufacturing process for connecting rods, specifically the sequence of drilling and splitting. | ||
| View original record | To MS. from E. Copy to CG. " " EFC. ORIGINAL. X.3429. RE CONNECTING RODS. E4/G3/1/7/20. RECEIVED 2. AUG 1920 Would you kindly let Mr. Royce know, in accordance with his desire, in what particular… | ||
| Scan22 | Preliminary report on the American Bosch ZR6 magneto, comparing its weight and construction to the German and Watford versions. | ||
| View original record | To R. from Hs. c. to CJ. c. to BN. c. to OY. c. to Na. c. to E. c. to Da. c. to BY. ORIGINAL X.3916. PRELIMINARY REPORT ON AMERICAN BOSCH MAGNETO ZR6. X 430. X 2375 Although this magneto is called ZR6… | ||
| Scan23 | Comparison of American ZR6, German Bosch, and Watford magnetos, focusing on noise, cam design, and reliability. | ||
| View original record | Contd. -2- falling away from the rubbing surface also centrifugal force does not increase the load of the carbon brush on the high tension distributor. The American ZR6 magneto is not as well made and… | ||
| Scan24 | Page 3 of a comparative test report on Watford and American Bosch magnetos, with a recommendation against standardising the American Bosch ZR6. | ||
| View original record | Contd. -3- pieces and the armature which moves with the advance and retard of the contact breaker. It will be seen from the results that the Bosch Magneto gives a slightly better spark than the… | ||
| Scan25 | Preliminary remarks on an investigation into shunt wound dynamos, vibrator regulators, and a sample Bijur generator. | ||
| View original record | ORIGINAL. To R. from EFC. c. to CJ. c. to E. c. to PN. c. to Oy. c. to Bn. c. to Da. c. to Hs. EFC1/T22.7.20. X.294. - SHUNT WOUND DYNAMOS & VIBRATOR REGULATORS in particular X.1402 X 3560 X 3963 4162… | ||
| Scan26 | Note explaining the standardized definition of an 'ideal battery' for comparing dynamo performance. | ||
| View original record | Contd. -2- EFC1/T22.7.20. NOTE:- To explain what we mean by an ideal battery, it will be appreciated that unless matters are arranged such that the terminal voltage and the ampere output of a dynamo,… | ||
| Scan27 | Comparison of shunt wound machines, including Bosch, Smith, and Bijur, focusing on performance and output curves. | ||
| View original record | Contd. -3- EFC1/T22.7.20. simple shunt wound machines, or may be used as simple shunt wound machines, making use of the full available winding space for a field winding (which condition excludes the… | ||
| Scan28 | The performance and design of various dynamos, including Bosch, Liberty aero, and Bijur models. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 Contd. -4- EFC1/T22.7.20. shunt wound dynamo for the car, it would be advisable to look into the details of the design of the Bosch machine rather closely.… | ||
| Scan29 | Erratic performance and testing of a voltage regulator with various battery conditions. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 Contd. -5- EFC1/T22.7.20. taken from 49-GB and issued under cover of our EFC5/T22.1.18, together with other curves showing alround satisfactory operation). The… | ||
| Scan30 | Report page discussing defects in a vibrator regulator's operating coil. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 Contd. -6- EFC1/T22.7.20. suggests that the operating coil of the vibrator regulator has been compounded, but compounded to an extent greater than is… | ||
| Scan31 | Table of standard volt-ampere characteristics for battery and leads during dynamo tests. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 17.6.20. X.294. STANDARD VOLT-AMPERE CHARACTERISTIC OF BATTERY AND LEADS FOR DYNAMO TESTS. X.664. Amperes. (a) Cold volts. (b) Hot volts. 0 12.4 Balancing… | ||
| Scan32 | Request to produce a half-scale arrangement drawing of the 'Eagle' engine for a book by Major Evans. | ||
| View original record | FILING IT ON TO ALREADY HEAVILY LADEN 3 B.J. DAY! ORIGINAL. TO DA. from E. Copy to CS. [Text struck through, illegible] " BY. " EFC. EI/G23/7/20. X3239 RE ARRANGEMENT DRAWING OF "EAGLE" ENGINE. In… | ||
| Scan33 | Trouble with the earthed wiring connection and a rapidly evaporating battery on the 6.EX car. | ||
| View original record | R.R. 285A (100 T) (S.G. 643, 19-2-20) G. 2618 ORIGINAL. To R. from Hs. c. to Cl. c. to BN. c. to E. c. to Dn. c. to BY. R.Fc. Hs3/LG23.7.20. x.3659 x.39234 RE EARTHED WIRING SCHEME ON 6.EX CAR. We… | ||
| Scan34 | Investigation into silencing noisy Lucas E.575 dynamos. | ||
| View original record | To R. from EFC c. to CJ. c. to Wor. c. to E. c. to Da. c. to Hs. c. to Bn. c. to PN. c. to By c. to Wd. ORIGINAL. X.3014 - LUCAS E.575 DYNAMO SILENCE. Further to our EFC2/T23.7.20, owing to the number… | ||
| Scan35 | The investigation of dynamo noise, output, and control brush movement. | ||
| View original record | Contd. -2- EFC5/T27.6.20 The amount of movement of the control brush between normal and "retarded," represented by these curves, corresponds to about 1 1/2 segments. Production are satisfied that the… | ||
| Scan37 | Issues with the distribution board on a 6.EX car, specifically unsatisfactory fuse grips and accessibility. | ||
| View original record | To R. from Hs. c. to CJ. c. to BN. c. to L. c. to Da. c. to BY. S.G. F.C. ORIGINAL E C JUL 27 1920 RECEIVED Hs1/LG27.7.20. X.3659. RE WIRING SCHEME ON 6.EX CAR. X.3923 X.3555 We find that the grips… | ||
| Scan38 | Modifications for the Distribution Board for Earthed Wiring Scheme. | ||
| View original record | R:R. 235A (100 T) (S. G. 643, 19-2-20) G 2618 ORIGINAL EFC6/T27.7.20. To R. from EFC. c. to CJ. c. to E½. c. to Bn. c. to Da. c. to Hs. X.3555. - R.R. DISTRIBUTION BOARD FOR EARTHED WIRING SCHEME.… | ||
| Scan39 | Continued memorandum discussing inspection findings regarding clearances and fitments on a board fitted to a car. | ||
| View original record | Contd. -2- EFC6/T27.7.20. (4) In addition to the above, we agree to the two points (1) and (2) mentioned in the note of Mr. Hives above referred to. (5) In the Board, as we inspected it before it was… | ||
| Scan40 | Improvements to the dynamo belt adjustment for Lucas and Smith dynamos. | ||
| View original record | To R. from Hs. c. to CJ. c. to BN. c. to E. c. to DA. c. to BY. Xe F.C. ORIGINAL. Hs3/LG28.7.20. X.576. DRIVE FOR DYNAMOS X.37724. LUCAS DYNAMO. X.30146 We find that on the present standard cars we… | ||
| Scan41 | Issues with collapsing copper radiator tubes compared to brass tubes. | ||
| View original record | R.R. 235A (100 T) (S.G. 643, 19-2-20) G 2618 To R. from Hs. c. to CJ c. to Ph. c. to E. c. to BY. c. to Ds. c. to OY. F.C. ORIGINAL. Hs2/LG29.7.20. E C JUL 30 1920 RECEIVED. X.3456 X.3678 RE TUBES FOR… | ||
| Scan42 | Recommendation to adopt Ferodo bon-rest material for the 40/50 chassis bonnet, replacing the brass wearing strips. | ||
| View original record | ORIGINAL. To R. from Hs. c. to O.H. c. to BN. c. to E. c. to Da. c. to EN. G.F.C. Hs1/LG30.7.20. x 3470. RE 40/50 CHASSIS BONNET. x 3456 We recommend that we adopt Ferodo bon-rest material instead of… | ||