Rolls-Royce Archives
| Identifier | Entry | ||
| Scan0 | Dalby Watson indicator and a patentable method for obtaining an indicator diagram from a fast-running engine. | ||
| View original record | R.R. 235 A (400 T) (S.C. 536. 15-2-16) G. 1546. ORIGINAL RECEIVED JAN 5 1918 To EFC. from R. C. to BJ. R10/W2.1.18. 3 X 3181 I have an old memo referring to the Dalby Watson indicator. I think this… | ||
| Scan1 | Engines with piston rings that have a wide gap. | ||
| View original record | To EH. from R. C. to By. C. to EP. C. to BJ. C. to E. ORIGINAL X.30Y6 Re - Engines with Piston Rings having wide gap. I agree with your memo of the 31st Dec. EH4/LG31.12.17, the loss should not be… | ||
| Scan2 | Use of laminated shim metal for liners in crankshaft bearings and connecting rods. | ||
| View original record | To from R. c. to EH. c. to DJ. 24 R12/W7.1.18. ORIGINAL X.2539. Re - Laminated Shim Metal for Liners. (Shims). X 3246. Regarding the sample sent to us by Rothermel, I see no reason why liners made… | ||
| Scan3 | Proposing a simpler indicator scheme to avoid issues with the Dalby-Watson model. | ||
| View original record | R.R. 235a (200 T) (S.D. 408. 26-4-17.) Bm. 2/156/12. ORIGINAL.. R3/W9.1.18. H To EFC. from R. C.c. to B.B. X. 3/8/ X.2981 Re - Dalby-Watson & R.R. Indicator. With reference to the Dalby-Watson and… | ||
| Scan4 | Planet bearings with threads, clarifying design intentions regarding tightness and its effect on part diameter, and suggesting experimental testing. | ||
| View original record | R.R. 235B (200 T) (S.D. 408. 26-4-17.) Bm. 2/156/12. ORIGINAL R4/W9.1.18. D 12 JAN 1918 RECEIVED 3 TO EH. from R. [struck through: to R.L.] X.3168B. Re - Planet Bearings with Threads. We are very… | ||
| Scan5 | Message from Royce regarding the results of a steel comparison. | ||
| View original record | Jan. 10th. 1918. Copy to RH 12 JAN 1918 RECEIVED 2 X3206 ROYCAR. DERBY. WHITEHEAD HIVES VERY PLEASED WITH RESULTS OF COMPARISON BETWEEN BROWN BAYLEYS QUICK STEP AND FAS WHICH LATTER WE UNDERSTAND IS… | ||
| Scan6 | Clarifying the use of the standard washer for new valve springs. | ||
| View original record | To E.H. from E. C to By [Struck through] ORIGINAL. [Stamped] E8/W14.1.18. 3 X 3212B Re - New Valve Springs. With reference to the TOP [Handwritten] type [Struck through] washer for the new valve… | ||
| Scan7 | The permissible slack for the Slack Pump Gear, setting maximum and minimum clearances. | ||
| View original record | To Bv from R. c. to EH. c. to Bd. ORIGINAL R2/W14.1.18. 3 D RECEIVED 17 JAN 1918 X.3213 . Re - Slack Pump Gear. Mr. Hives has tested the amount of slack permissible in these gears and from his report… | ||
| Scan8 | Clarifying a suggestion about using thin aluminium sheet metal to melt into piston castings. | ||
| View original record | To E.H. from R. ~~S. to D.J.~~ ORIGINAL R3/W14.1.18 3 X 2822 Re - Pistons with Sheet Metal Crowns. Thanks for your report on this matter, I am pleased to be able to agree that there is no need for… | ||
| Scan9 | Improvement to Plain Ends Planet Gears, including confirmation testing and specific dimensional recommendations. | ||
| View original record | To By. from R. c. to EH. c. to BJ. [Stamp: ORIGINAL] X. 3/68 B. X. 3000. R14/W15.1D.a. 4 18 JAN 1918 Re - Plain Ends - Planet Gears. Mr. Hives considers this to be a distinct improvement on the… | ||
| Scan10 | Query regarding permission to use the latest type of primer. | ||
| View original record | To EH. from R. X. 2977 Re - Latest Type of Primer. I have not heard whether we have been permitted to use the latest type of primer. I shall be glad to know if this is in hand. | ||
| Scan11 | The advantages of lower carbon 'Quick Step' steel for valves. | ||
| View original record | To Wd. from R. c.c. to EH. c.c. to Mr. Hall. c.c. to BJ. ORIGINAL X. 2574 X. 3206 Re - Valves. R12/WDV7.1.18. H RECEIVED 21 JAN 1918 We understand that Mr. Hall has confirmed our impression that the… | ||
| Scan12 | Keeping note of and applying extra tolerances and clearances from Mr. Hives' memos. | ||
| View original record | To By. from R. c. to WH. c. to BL. ORIGINAL R5/W18.1.18. 3 X. 3220 Re - Tolerances and Clearances. With reference to various memos from Mr. Hives I trust you are keeping note of these and allowing the… | ||
| Scan13 | End clearance dimensions for serrated wedge type valve spring washers. | ||
| View original record | To Bv. for Mr Burton. from E. c. to EH. c. to Hy ORIGINAL E3/W21.1.18. 3 RECEIVED X. 3233 Re - Serrated Wedge type Valve Spring Washers. With reference to your recent memo discussing the end clearance… | ||
| Scan14 | Burning of exhaust valves and the suggestion to update the instruction book. | ||
| View original record | R.R. 235 a (400 T) (S.C. 536. 15-2-16) G. 1546. To EH. from R. c. to By. c. to Da. c. to EP. c. to BJ. ORIGINAL X 2574 Re - Exhaust Valves Burning It seems to me that we should put in very large… | ||
| Scan15 | Use of copper versus steel rivets for exhaust trunk pipes and suggesting spot welding as an alternative. | ||
| View original record | R.R. 235 A (400 T) (S.C. 536. 15-2-16) G. 1546. ORIGINAL. R8/W24.1.18. (4) To EH. from R. c. to BJ. X 1459 X.2691 Re - Exhaust Trunk Pipes. We do not understand why you have used copper rivets on the… | ||
| Scan16 | Experiment 3250, expressing concerns about the danger of the bolt material and suggesting a spring-tempered alternative. | ||
| View original record | To EFC. from R. C to BJ. ORIGINAL R9/W28.1.18. Re - Standardisation Sheets. X 3250. With reference to your memo EFC6/T24.1.18, and standardisation sheet regarding Experiment 3250, Mr. Elliott and I… | ||
| Scan17 | Process of broaching the big end of a connecting rod. | ||
| View original record | R.R. 235 A (400 T) (S.C. 536. 15-2-16) G. 1546. EH. from R. C. to Wor. C. to BJ. X. 2750 RECEIVED 30 JAN 1918 ORIGINAL R10/W28.1.18. 3 Re - Broaching Big End of Connecting Rod. I am quite in agreement… | ||
| Scan18 | Suggestions from Mr. Royce regarding the design and material of connecting rod and main bearing liners. | ||
| View original record | To F.H. from E. c. to EFC. c. to Oy. ORIGINAL Re - Some Recent Suggestions from Derby RECEIVED D 31 JAN 1918 X1906 X.3250 LINERS FOR CONNECTING ROD MADE OF MILD STEEL. We do not think it safe to use… | ||
| Scan19 | Review of recent suggestions from Derby concerning material changes for various components. | ||
| View original record | -2- Re - Some Recent Suggestions from Derby. One would like to reduce the thickness of the liner in the new material but this move would cause too many difficulties at the moment. X.3228 FLANGES FOR… | ||
| Scan20 | Proposal to send a letter to the Technical Controller of the Air Board regarding the testing of R.R.C.H. carburettors. | ||
| View original record | R.R. 235 A (400 T) (S.C. 536. 15-2-16) G. 1546 To FH. from R. c. to BJ. [crossed out] ORIGINAL R6/W30.1.18. X.3010 Re - R.R.C.H. Carburettors. I propose sending the enclosed letter to the Technical… | ||
| Scan21 | Letter outlining the required features for testing a new Zenith carburettor against the existing R.R.C.H. model. | ||
| View original record | Copy for E.H.. ORIGINAL. RECEIVED 4 FEB 1918 X.2202 X.3010 R9/W30.1.18. January 30th. 1918. The Controller, Technical Dept. Technical Building, Embankment. W.C.2. For the attention of:- Capt. Briggs.… | ||
| Scan22 | Carburettor performance concerning petrol collection from flooding. | ||
| View original record | The Controller. Technical Dept. -2- (5). A satisfactory means of collecting such petrol as unavoidably floods. So far as our observations and experiences go these have not been carried out to the… | ||