Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 180\M1\7\        Box Selection

IdentifierEntry
img001 The performance of oilless bushes on a Marmon Car and a recommendation for their use on the 40/50 HP model.
View original record To R. from Hs. a. to W. c. to E. c. to Ds. c. to BY. ORIGINAL. X816 X3971 OILLESS BUSHES. MARMON CAR The Marmon Car has completed 6,300 miles since we received it and it had run 1000 miles before it…

img002 The dismantling and analysis of a Marmon car crankshaft and bearings.
View original record To R. from Hs. c. to CJ. c. to R. c. to Du. c. to BY. For EWT. from RR Inc. ORIGINAL Hal/LGS.9.21. MARMON CAR. x1692 When we dismantled the Marmon car in order that a drawing should be made of the…

img003 Pin dimensions, Brinell hardness tests, and chemical analysis results.
View original record contd:- -2- Hal/LGSS. 9.21. ************** Pins. The pins are all 2.510" dia. and about .00025" out of round. We have taken a brinell reading of the webs. This comes out as follows:- No. of web.…

img004 Extract from the Marmon Car Instruction Book detailing the function of the electrical circuit breaker.
View original record X3540 Electrical System. Extract from Marmon Car Instruction Book. ------- CIRCUIT BREAKER. The circuit breaker mounted under the cowl takes the place of fuses. Two circuit breakers are used, both…

img005 Analysis of a double circuit breaker from a Marmon car for use in a chassis electrical system.
View original record To R & E. from EPG c. CJ. & PN. c. By. & RF. c. Rg. & Da. c. R. R. of America Inc. RE CIRCUIT BREAKER FOR CHASSIS ELECTRICAL CIRCUITS. The double circuit breaker from the Marmon car is being sent to…

img006 Continuation page of a report on electrical circuit protection arrangements as an alternative to fuses.
View original record Contd. -2- EFC1/T3.12.21. The full buzzing condition is sustained with a current of 7 amperes, this being the case with a Head short on the battery lead. In the case of the second instrument, the…

img007 Analysis of a circuit breaker and dynamo system under fault conditions, page 3.
View original record Contd. -3- EFC/13.12.21. the circuit breaker with the shunt coil would not remake the circuit when the earth were removed unless the lamps were first switched off. This second case would offer the…

img008 The examination and particulars of a 6-volt Marmon Delco Dynamo.
View original record R.R. 536a (100 T) S.H. 728. 16-12-20 G 2547 To R. from EFC. c. CJ. & PN. c. By. & EP. c. Hg. & Da. c. R. R. of America Inc. ORIGINAL EFC/T/28.9.21. X.4402 - MARMON DELCO DYNAMO - 6 VOLT. In accordance…

img009 Page 2 of a report detailing the performance and physical specifications of an electrical machine.
View original record R.R. 285A (100 T) S.H. 798. 10-12-20 G 2547 Contd. -2- EFC1/T28.9.21. comply with this condition we found to be 14. In the cold condition a voltage of 6.2 was attained at a speed of 365 r.p.m. In the…

img010 Graph of ampere-output speed curves for a Delco Dynamo from a Marmon Car.
View original record AMPERE-OUTPUT — SPEED CURVES OF DELCO DYNAMO FROM MARMON CAR Figures on curves give operating voltages. Y-Axis: AMPERE OUTPUT, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24 X-Axis: R P M, 0, 500,…

img011 The compression ratio and detonation issues of an Essex car engine.
View original record To R. from E. Copy to HS. ORIGINAL El/G19/10/21. RE "ESSEX" CAR. (X8317) The compression ratio of the Essex engine is 4.95 to 1. The engine readily detonates although clean. E. FO OCT 20 RECEIVED.

img012 Comparison of a 15 HP Lorraine-Dietrich with the 'Goshawk II', listing its shortcomings.
View original record ORIGINAL RECEIVED [STAMP with date wheel showing 23 NOV 1921] To Co. from R. Copy to WDR. HS. JP. F. X3588 X4219 RE 15 H.P. LORRAINE-DIETRICH. This is a car comparable in size with our "Goshawk II".…

Copyright Sustain, All Rights Reserved.    whatever is rightly done, however humble, is noble