Rolls-Royce Archives
| Identifier | Entry | ||
| img001 | Requesting a test of G.11 and Neptune induction pipes against the Dorris scheme on a 40/50 engine. | ||
| View original record | R. R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2156/13. ORIGINAL To Hs. from R. c. to OJ. EP. - X3583 Wor. Hy. X422) Da. Oy. Ey. Induction Pipes - G.11. and Neptune. We do not know how G.11. Induction… | ||
| img002 | Unsuitability of the Bendix pinion for the Neptune Electric Starter and proposing an alternative design. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/158/13. ORIGINAL R5/15.12.21. To Hs. from R. c. to CJ. EFC. Ey. Da. Wor. X3779 re Neptune Electric Starter. X3584 X4168B In thinking over the above matter… | ||
| img003 | Modification of a 40/50 HP chassis engine for marine applications, to be named 'Neptune'. | ||
| View original record | NEPTUNE ORIGINAL To - C.J. from R. Copy to - RJ. LOR HS FHE DY PN X4470 RE MODIFYING 40/50 H.P. ENGINE. We hope the attached will meet your approval. We are about to make up a number of engines,… | ||
| img004 | Listing drawings for the 'Goshawk II' and 'Swallow' designs being prepared for an upcoming meeting. | ||
| View original record | To EY. from R. Copy to CJ. " MON. " HS. [Stamp: ORIGINAL] [Stamp: RECEIVED 8 NOV 1921] 7 entered R1/GS/11/21. X4214 RE "GOSHAWK II" AND "SWALLOW" DESIGNS. We are expecting Mr. Hives here on Monday to… | ||
| img005 | Listing drawings related to the 'Swallow' Gear Box and Clutch. | ||
| View original record | To BA. from E. Copy to CJ. " " WOR. " " HY. " " HS. X3488 X3601 ORIGINAL E2/G9/11/21 RE "SWALLOW" GEAR BOX AND CLUTCH. Herewith please receive the following drawings in connection with the above:-… | ||
| img006 | Drawings for the 'Swallow' Gear Box and Declutching Gear. | ||
| View original record | RECEIVED To BA. from E. Copy to C.I. " OR. " MS. ✓ " BY. ORIGINAL 2 E1/G23/11/21. RE "SWALLOW" GEAR BOX. X3488 We send you herewith drawing Lec.1494 shewing the "Swallow" Gear Box; also Lec.1493 -… | ||
| img007 | Proposed visit and a plan to modify the 40/50 engine for a smaller G.11-based chassis. | ||
| View original record | Ref 3rd list SWALLOW '12 - 16 HP ORIGINAL R8/113.12.21. To Wor. from R. C. to SJ. " Hs.✓ " Hy. X4420 Proposed visit to W.Wittering. X4405 X4219 In reply to your Wor.1/110.12.21. I shall be pleased to… | ||
| img008 | Query regarding driving a magneto through a dynamo for the G.11 Swallow and Neptune engines, requesting an experiment on gearing backlash. | ||
| View original record | R.R. 239A (500 T) (S.D. 408. 29-4-17.) Bm. 215611. To Hs. from R. c. to CJ. EFC. By. Wor. Magneto Drive - G.11. Swallow, X4327 XX3581 and Neptune. X3582 With respect to the scheme of driving the… | ||
| img009 | Shift of taxation from the car to petrol, smaller engine bores, and the 12/14 HP model. | ||
| View original record | To CJ. from R. R6/G3/10/21 Contd. -2- 324/WISHAM & OT MOTORS the taxation, which in the earlier days would have shifted the engine from a very expensive class to one of a much more moderate figure. At… | ||
| img010 | Study and proposal for modifying the 40/50 HP engine to an OHV configuration, using existing stock parts. | ||
| View original record | NEPTUNE ORIGINAL. 2. To J, from R. Copy to OH. " HS. " SY (if CJ. approves) X4420 RE MODIFYING 40/50 H.P. ENGINE, CONVERSION TO OHV I have studied the stock of parts for the present engine at Derby,… | ||
| img011 | Requesting valve samples to test if they can be resized for a 40/50 HP engine altered to have overhead valves. | ||
| View original record | To WOR. from E. Copy to A.J. MS V.H. NEPTUNE ORIGINAL E2/G3/10/21 * 2/9 SOW X4420 RE 40/50 H.P. ENGINE ALTERED TO OVERHEAD VALVES. With reference to your memo WOR4/M26/9/21, would you kindly note that… | ||
| img012 | The Essex cylinder head gasket and its relation to the 'Swallow' engine design. | ||
| View original record | To HS. from E. Copy to CJ. WOR. X4405 XA217 RE "SWALLOW". ORIGINAL RECEIVED 23 IX 21 RDSS. (11-20) 2M B.&Co. E1/G24/9/21. 2 I want the Essex cylinder head gasket to find the width of the combustion… | ||
| img013 | Proposal for a crankshaft for a new 14 HP six-cylinder engine, seeking feedback on the similar Marmon crankshaft design. | ||
| View original record | To HS. from R. Copy to CJ. 'SWALLOW' & Crankshafts ORIGINAL R4/G29/8/21. X1692 X4405 RE CRANKSHAFT FOR NEW 14 H.P. SIX-CYLINDER ENGINE. Will you kindly let us know whether you consider the crankshaft… | ||
| img014 | Design specifications for a new small six-cylinder engine, referred to as the 'Third Line Model'. | ||
| View original record | THIRD LINE MODEL 14 HP 'SWALLOW' To:- RM. from R. Copy to WOR. " HS. ORIGINAL X4405 RE THIRD LINE MODEL. We send you herewith a blue print of a small six-cylinder engine which is intended for the… | ||
| img015 | Comparing the development of a six-cylinder engine against a four-cylinder version, outlining costs, design choices, and simplifications. | ||
| View original record | To C.J. from R. -2- R3/G29/8/21 Contd. with studs for the head is extremely favourable to a good joint there being plenty of studs in good positions. On this chassis every effort is going to be made… | ||
| img016 | Proposal for an earthed electrical system for the small 14 HP model, referencing the 'Goshawk II' system. | ||
| View original record | To EFC. from R. Copy to CJ. " " HS. " " BY. ORIGINAL RECEIVED AUG 1921 WSH AHT X4338. RE EARTHED ELECTRICAL SYSTEM. It will be understood that on "Goshawk II" we have an entirely earthed electrical… | ||
| img017 | Request to test a fan belt drive for the 'Goshawk II' engine, detailing its specifications and mentioning a new 14 HP model. | ||
| View original record | To HS. from R. Copy to O.J. ORIGINAL R5/G30/8/21. RE THIRD LINE MODEL. X4405 Thank you for telegram re "Goshawk II". Will you kindly test a fan belt drive consisting of two 4" pulleys 10" between the… | ||
| img018 | Proposed design modifications for the 'Swallow' model, including wheelbase, body, and mechanical changes. | ||
| View original record | To from R. Copy to G. C. R.H.S. H.G. ORIGINAL RE "SWALLOW". X4405 With reference to the "Swallow" we had decided to increase the wheelbase in preference to putting the radiator forward at the axle. We… | ||
| img019 | Design considerations for a new car model, including ignition, size, and weight comparisons. | ||
| View original record | To C.J. from R. -2- R1/G3/9/21 Contd. The design will practically be the same, but the details made simpler. We should recommend for standard the fitting of our battery ignition, which will be exactly… | ||
| img020 | Problem of water loss from the radiator during hill climbing and potential solutions. | ||
| View original record | To CJ. from R. Copy to PN. " " WORKS COMMITTEE. ORIGINAL COPY R3/G8/9/21. 4 X4412 X1298 RE LOSS OF WATER IN HILL CLIMBING. X819 CJ13/E7/9/21 - It is not thought that the present cars lose more water… | ||
| img021 | Policy for building the Goshawk I engine, comparing it to the Vulture and Goshawk II. | ||
| View original record | NEW 40 HP (VULTURE) GENESIS OF RO... ORIGINAL To HS. from R. Copy to CJ. x3481 x3548 RE "GOSHAWK I". R9/G9/6/21. As soon as ever it is convenient I am anxious to see "Goshawk I", so as to settle our… | ||
| img022 | Transition from the 'Goshawk II' to a new 40 HP chassis and managing material orders for the 40/50 HP model. | ||
| View original record | To: Mr. [illegible], From: R. Copy to: Ed., H.S., E.W.H., H.J.H., A.F.C. GENESIS of P.I ORIGINAL NEW 40 HP RE ORDERING OF RECEIVED As soon as we have finished with the "Goshawk II" we are going to… | ||
| img023 | From 'R.' to 'WD.' concerning the procedure for keeping production output six months ahead. | ||
| View original record | Handwritten: 16-3-01 Typed: To WD. from R. R1/G10/6/21 Contd. what is wanted, to keep the required output going, say, continuously 6 months ahead. This procedure is, I understand, in accordance with… | ||