Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 21\4\        Box Selection

IdentifierEntry
Scan001 Acquisition of a second-hand Cottin Desgouttes car for suspension investigations.
View original record To Ps. from Hs/Rm. X4332 X8410 Hs/Rm5/LG26.10.27. We are considering the purchase of a Cottin Desgouttes for suspension investigations. We do not want a new car, we do not mind how far it has run as…

Scan002 Difficulty in procuring a second-hand C.D. car and presenting an alternative offer for a trials car.
View original record "Hs/Rm XA332 Ps6/IL.9.II.27 Re Memo Hs/Rm 5/EG 26.10.27 _____________________________ We have made a number of enquiries and cannot find a C.D. second hand. The Manufacturers themselves say they have…

Scan003 Declining the purchase of a £500 Cottin car and requesting a search for a cheaper alternative for a suspension study.
View original record +4332 To Ps. Paris. from Hs/Rm. Hs/Rml/LG14.11.27. We thank you for your Ps6/IL9.11.27. We do not want to pay £500 for a Cottin as we have no use for this but for the principle of the suspension, an…

Scan004 Cover note from LHS forwarding a letter from Mr. George Monro regarding a car and its springing.
View original record S/W To Hs. from LHS. X4332 LHS1/CP26.7.28. I enclose a letter I have received from Mr. George Monro, the wellknown Covent Garden merchant. who is incidently an old owner of Rolls-Royce Cars. I know…

Scan005 Letter to Lord Herbert Scott regarding the suspension system of a Cottin-Desgouttes car.
View original record 4, TAVISTOCK STREET, COVENT GARDEN, W.C.2. 25th July 1928 Lord Herbert Scott, C/o Rolls Royce Ltd., Conduit Street, W. Dear Lord Herbert, I have just returned from a trip to, and three weeks in the…

Scan006 Potential purchase of a Cottin Desgouttes car to explore its springing system for improved riding comfort.
View original record To LHS, from Hs. X4332 Hs2/LG27.7.28. X8410 We were very pleased to receive from you a copy of the letter from Mr. Geo.Monro. It has just come at a time when we were on the point of recommending that…

Scan007 Recommending the purchase and testing of a competitor's car, the Cottin Desgouttes.
View original record To R. from Hs. c.c. to B.J. c.c. to Wor. X4332 Hs3/LG27.7.28. OTHER MAKES OF CARS. 48+10 At the present time we have no car of another make in the Experimental Dept. We recommend that we purchase a…

Scan008 Letter from G. Monro to Lord Herbert Scott discussing the impressive springing system of a Cottin-Desgouttes car.
View original record COPY! 4, Tavistock Street, Covent Garden, W.C.2. 25th. July 1928. Lord Herbert Scott, C/O Rolls-Royce Ltd., Conduit Street, W. Dear Lord Herbert, I have just returned from a trip to and three weeks in…

Scan009 Reprinted road test report from 'The Motor' magazine for the 14.7 HP Cottin-Desgouttes Saloon.
View original record Reprinted from The Motor May 29, 1928. X4332 Road Test Showing Principal Characteristics. First test report on a French Car with an Original and Excellent Suspension System. THE 14.7 H.P.…

Scan010 Test report and review of a Cottin-Desgouttes saloon car.
View original record COTTIN,—Contd. EXTERIOR AND INTERIOR. (Above) The seating dimensions. (Left) A side view showing the attractive lines of the saloon model tested. COTTIN DESGOUTTES SALOON. [Left Column] steering pivot…

Scan011 Reprint from 'The AUTO' motor journal about the 14.7 HP Cottin-Desgouttes (Six) car.
View original record The 14.7 H.P. COTTIN- DESGOUTTES (SIX) Reprinted from The AUTO MOTOR JOURNAL of June 14th, 1928

Scan012 Letter from Cottin Cars to W.A. Robotham apologising for a delayed reply and offering a demonstration of a 14.7 HP car.
View original record COTTIN CARS (Wilfrid Buddell) 20, QUEEN STREET, HAMMERSMITH, LONDON, W.6. Sole Concessionnaires for Great Britain and Ireland. Your Ref.: Our Ref.: Cottin-Desgouttes 'Phone : RIVERSIDE 5090. Quantity…

Scan013 Letter from Collins Commercial Cars describing a vehicle's performance characteristics and offering an extensive trial.
View original record at approx £450 - 475. I would assure you Steering is as perfect as could be and is without wobble of the slightest degree - acceleration, brakes, springing also are factors of outstanding interest and…

Scan014 Art Deco style advertisement poster for the Cottin & Desgouttes 10 CV 'La Sans Secousse' car.
View original record LA SANS SECOUSSE 10 CV SIX CYLINDRES SUSPENSION SPÉCIALE A ROUES INDÉPENDANTES DIRECTION A DOUBLE COMMANDE. COTTIN & DESGOUTTES

Scan015 Photograph of a saloon car parked on a street in front of an ornate institutional building.
View original record HP 3059

Scan016 Test report on a 14.7 Cottin Desgouttes demonstration car, detailing its specifications and performance.
View original record 44332 To R. from Hs/Rn. c. to BJ. WoR. c. to E. DA. c. to EY. PN. c. to CWB. Hs/Rm4/LG8.9.28. 14.7 COTTIN DESGOUTTES. We tried one of these cars in and outside London. It was a demonstration car and…

Scan017 Analysis of a car's suspension, comparing the Cottin, Lancia, and Ansaldo models' front and rear springing.
View original record contd :- -2- (1) The very flexible undamped front end. The front of the car can easily be oscillated through four or five inches by taking hold of the bumpers. There is no damping other than interleaf…

Scan018 Critique of a Cottin car's components and the noise from a Weymann body after 10,000 miles.
View original record contd :- -3- less likely to promote wobbles. Incidentally the brakes, clutch, steering etc. of the Cottin are so inferior that there is little pleasure to be had from driving this car and its…

Scan019 Acquiring and overhauling a second-hand Delage car for Mr. Royce to evaluate.
View original record S.D. X3500 25 JAN 1919 C11/H24119. S/W: Mr. Hives. 24.1.19. Delage Car. We are sending up to you to-morrow, per Archer, the Delage. This is a second-hand car which we have bought for Mr. Royce to try;…

Scan020 Complaint about the poor condition of a Delage car, reference X.350.
View original record To R. from EH. c. to CJ. EH4/LG27.1.19. 27th. Jan. 1919. RE - DELAGE CAR. X.350. The driver who brought this Car to Derby from London complained that it was in very bad condition. The engine knocked…

Scan021 Expressing disappointment with a 'Delage' car purchased for experimental purposes due to severe engine problems.
View original record H. R. 235 s (200 T) (S.F. 103, 25-10-18) G. 2244. To C. from EH. EH2/LG28.1.19. 28th. Jan. 1919. X 3500 RE - "DELAGE" CAR. We find that the "Delage" Car is a proper bunch of trouble. We have lifted…

Scan022 The poor condition of a dismantled Delage car engine.
View original record To R. from EH c. to CJ. EH1/LG28.1.19. 28th Jan. 1919. X.3500 - RE DELAGE CAR+ We have dismantled the cylinders on the "Delage" car and find that one of the big end bearings has run and several of the…

Scan023 Significant engine problems and required repairs for a Delage car.
View original record To E. from EH. EH7/LG29.1.19. X.3500 - RE "DELAGE" CAR With reference to the Delage Car, it is a proper bunch of trouble. The engine at present is quite dismantled. We shall have to fit new bearings,…

Scan024 The acquisition of a Delage car for evaluation, explaining why a 1913 model was purchased instead of the requested 1914 model.
View original record S/W Mr. Hives 29.1.19. Re Delage Car. WH2/IG28119. X3500 C14/C29119 I am sorry to hear the Delage is in such a bad condition. We certainly wish you had seen it first. I simply got instructions from…

Scan025 Brief description and analysis of a Delage Car engine, including its specifications and condition.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To R. from EH. c. to J. c. to HY. c. to E. c. to Da. EH3/LG8.2.19. 8th February 1919. X.3500 - RE DELAGE CARF Attached herewith are some…

Scan026 Request directed by Mr. Royce to stock a 'Delage' car with benzol due to local shortages.
View original record To EH. from E. Copy to EFC. 11th February, 1919. E3/G11219. X.3500 RE "DELAGE" CAR. Would you kindly note that Mr. Royce directs me to ask you to put a good stock of benzol into the "Delage" car when…

Scan027 Instructions detailing specifications for a Delage engine cylinder block, valves, and pistons.
View original record R.R. 20 10M Bks.) (SR 591 13-3-18). M.P. 189358 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Mr Hives Order No. Customer's No. X3500 12/2/1919 Delage Engine cylinder block. Dia of Water outlet 1 1/16" Dia of…

Scan028 Specifications for a Deluge engine, including dimensions for the bore, stroke, pipes, and Claudel carburettor.
View original record R.R. 26 10M Bks.) (SR 591 13-3-18.) M.P. 189358 X3500 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Hives 12/2/1919 Order No. Customer's No. Particulars - of Deluge Engine 66 m/m bore. 130 m/m stroke Dia.…

Scan029 Querying the status of the registration number for a Delage car.
View original record To C. from EH. X.3500 RE DELAGE REGISTRATION NO. Has anything been fixed up as regards the registration number for Delage Car. Are we in order running this car on its own number plate KT.702. ? EH.

Scan030 The transfer of vehicle registration number KT702.
View original record S/W. X-3500 C Delage. EH S/LG13219 It is quite in order for you to run this car with the under the present registration number KT702 as we had this number transferred from the previous owner to…

Scan031 Order for a speedometer pinion for a Delage car.
View original record To O.O. (Mr. Mills) from EH. X.3500 EH2/LG18.2.19. 18th. Feb. 1919. Please order from the Stewart Speedometer Co. 1 Pinion for a front wheel drive speedometer on a Delage Car. The size of the road…

Scan032 Instruction sheet detailing the back axle and gear ratios for a car.
View original record R.R. 26 10M Bks.) (SE 591 13-3-18). M.P. 189338 X3500 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Mr Hives 13/2 1918 Order No. Dalroge car Customer's No. Back axle ratio 3.848 to 1 1st gear 3.625 to 1 2nd…

Scan033 Instructions sheet with handwritten engine test data for a Dry Sump Delage.
View original record R. R. 26 10M Bks.) (SE 591 13-3-18). M.P. 1893:8 X3500 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Hines 18/2/1919 Ser No. Customer's No. Dry Spt Delage Coy. Eng revs. Dyn. Lbs H. 500 83 47 5.5 750 125…

Scan034 Road test report and technical specifications for a Delage car.
View original record To R. from EH. c. to CJ. c. to E. c. to BY. c. to Da. X.3500 - RE DELAGE CAR We have had this car on the road again and it is now running quite nicely. it has not got the vim one would like, but this…

Scan035 Rear wheel size and horsepower measurements from a dynamometer test.
View original record RR 245 a (200 T) (S.F. 163 25-10-18) G 2244 Contd. -2- EH1/LG19.2.19 Size of rear wheels 820 mm. x 120 mm. HP. taken on dynamometer. REVS HP 500 5.5 750 9.1 1000 12.3 1250 13.6 1500 16 1750 17 2000 18…

Scan036 From E.H. to Mr. Mills requesting an order for two Dunlop Groove Tyres for the Delage Car.
View original record To Mr. Mills from EH. EH1/LG20.2.19. 20th. Feb. 1919. X.3500 Will you please order:- 2 Dunlop Groove Tyres - 820 X 120 with covers and tubes complete. We require these for the Delage Car O/N 735. EH.

Scan037 Instructions for engine firing order, cam arrangement, and inlet valve contour data.
View original record X3500 R.R. 26 10M Bks.) (SE 591 13-3-18). M.P. 189358 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Mr Hives Order No. Delay box Customer's No. Order of firing 1, 5, 3, 6, 2, 4 arrangement of cams, E.I.I.E.…

Scan038 Instruction sheet detailing the contour specifications for an exhaust valve.
View original record X3500 R.R. 26 10M Bks.) (SE 591 13-3-18). M.P. 189358 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Mr Hims Feb. 25 1917 Order No. Customer's No. Delage. bar. Contour of Valve Exhaust. camshaft 0° .585 5°…

Scan039 Instructions sheet for Delage engine timing specifications.
View original record R.B. 26 10M Bks.) (SE 591 13-3-13). M.1.P. 1893:8 X3500 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Mr Hines Feb 25th 1917 Order No. Customer's No. Delage Timing I.O 14° B.T.D.C I.C 57° P.B.D.C. Period of…

Scan040 Internal memorandum outlining Mr. Royce's suggestions and requirements for testing a 'Delage' car.
View original record To EH from E. c. to EFC, 25th February 1919. E2/G.25219. X.3500 - RE "DELAGE". In amplification of our telegram of to-day's date concerning the "Delage", would you please note that Mr Royce says he…

Scan041 Instruction sheet detailing the weight measurements for different parts of a vehicle.
View original record X3500 R.R. 26 10M Bks.) (SE 591 13-3-18). M.P. 189358 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Mr Hives Order No. Customer's No. Feb 28th 1919 Weight of Delage-car Offside front 7 cwt 2 qrs 13 1/2 lbs "…

Scan042 The testing and modification of a Delage car, detailing issues with its weight, fuel consumption, and performance.
View original record R.R. 235A (500 T) (S.D. 408. 28-4-17.) Bm. 2/156/13. To R. from EH. c. to CJ? c. to F. c. to Da. ----------- X.3500- RE DELAGE CAR. EH3/LG.28.2.19. 28th February 1919. The Delage car is at present…

Scan043 Malfunctioning brakes on a car, with the foot brake not working and the counter shaft brake being too aggressive.
View original record Contd- -2- EH3/LG.28.2.19. We shall have to do something with the brakes before we send the car down because at present the foot brake which acts on the back wheels does not work and the counter shaft…

Scan044 Contour of inlet and exhaust valves for the 'Delage' Car.
View original record To E. from EH. X.3500 EH5/LG27.2.19. 27th. Feb. 1919. Attached herewith is Contour of the inlet and exhaust valves on the "Delage" Car. We have sent the figures on to you as they are because there…

Scan045 Specification sheet detailing the contour of inlet and exhaust valves for a Delage car, showing valve lift at different camshaft degrees.
View original record DELAGE CAR. CONTOUR OF INLET VALVES. Degrees of Camshaft. Lift. Degrees of Camshaft. Lift. 0° .542" 100° .7935" 5° .5425" 105 .7715" 10° .546" 110 .746" 15 .551" 115 .7135" 20 .559" 120 .685" 25…

Scan046 Continuation page with a table of camshaft degrees and corresponding lift measurements.
View original record Contd. -2- Degrees of Camshaft. Lift. 215º .515" 220º .112" 225º .5105" 230º .5095" 235º .5085" EH. R.R. 200 T. (500) I.S.P. 10M. 25-10-18. C. 3311

Scan047 Test report on the discharge of a 6 Volt C.A.V. battery from a Delage car.
View original record Mr. Clark. ------- X.3500. 25.2.19. DISCHARGE OF 6 VOLT C.A.V. OFF DELAGE. Time. Volts. Amps. 9.30 6.3 5.4 12.0 5.6 5.0 1.30 5.5 5.0 3.0 4.7 4.5 3.15 4.4 4.0 5¾ hours at 4.8 amps! = 27.6

Scan048 The rebuilding of wood rear wheels and patching the water jacket on a Delage car.
View original record RR 233 n (20) T) (S.F. 16Z. 25-10-18. G. 2244 To R. from EH. c. to CJ. EH3/LG5.3.19. 5th March 1919. X.3500 - RE DELAGE CAR We are having to have the wood rear wheels on this car re-built. All the…

Scan049 To Mr. Hives regarding the temporary use of Delage and Marmon cars until new chassis become available.
View original record X3500 H2/DN6319. 6th March 1919. MR. HIVES. Re Delage Car. Some weeks ago it was proposed by CJ. that until such time as Rolls-Royce chassis begin to come through, I and members of my staff should use…

Scan050 Suitability and availability of Delage, Marmon, and Buick cars.
View original record To H - Conduit Street. From EH. x.3500 EH1/LG11.3.19. 11th. Mar. 1919. With reference to your memo H2/DN6.3.19., we anticipate sending the Delage Car to Mr. Royce in about a weeks time. We expect that…

Scan051 Letter discussing the suitability of DeLage, Buick, and Marmon cars and the difficulty of planning work without fixed dates.
View original record Mr Hives H4/DN14319. X3500 X1692 14th March 1919. TO EH. Many thanks for your EH1/LG11319. The information you give is exactly what I require. It is difficult to plan the work unless one is able to…

Scan052 Order of various lamp bulbs for a 'Delage' car.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/158/13. To C.O. from EFC. c. to Stores. EFC6/T20.3.19. 20th March 1919. X.3500 RE LAMP BULBS FOR "DELAGE" CAR. Will you kindly order up from the C.A.V.…

Scan053 Modifications and testing of a 'Delage' car for Mr. Royce.
View original record To E. from EH. X.3500 EH3/LG24.3.19. 24th. Mar. 1919. We hope to send the "Delage" Car to Mr. Royce in about a weeks time. We have got several things in hand to improve the consumption. We have an…

Scan054 To Mr. Clark regarding the receipt of batteries and bulbs for experiments.
View original record RR 235a (200 7) (8 F. 100. 25-10-18. G. 7244 X.3500 Mr. Clark. Wd/Dm/HP26319. 26th March 1919. X.979 Please note we have received from the Tudor Accumulator Vo. Ltd., 1 9 plate per cell battery, and 1…

Scan055 Receipt of bulbs for a 'Delage' car, chassis X.3500.
View original record To Mr. Coverley. From EFC. EFC5/T27/3/19. X.3500 - RE "DELAGE" CAR Kindly note that we have been informed by the O.O. that the following have been received:- 2 No. 20 and 2 No. 41 Bulbs, suitable for…

Scan056 Hand-drawn wiring diagram for Rushmore Delage Connections.
View original record Rushmore Delage Connections, X. 3500, A, V, +, T, S, C, H, Field, B, 7, D+, D-

Scan057 Alteration document for a simplified epicyclic gear with friction damped spring anchorage for seaplanes and flying boats.
View original record R.R. 288A (S H) (S.E. 278. 22-11-17) Hm. 2/19S/80. ALTERATIONS TO R.R. AERO ENGINE PARTS. EAGLE. FALCON. HAWK. DATE 6.2.19. Description of Parts. Simplified Epicyclic Gear with X No. 3372. Friction…

Scan058 Lighting system for a 'Delage' car, detailing issues with head and side lamps.
View original record To RHC. from EFC. c. to EH EFC3/T28.3.19. X3500 [handwritten and crossed out] RE LIGHTING SYSTEM ON "DELAGE" CAR We have handed to Mr. Hives, two 6-volt head lamps, and two 6-volt side lamps for use…

Scan059 Order for a new front wheel drive for a speedometer to be fitted to a 15 HP Delage car.
View original record To Mr. Mills from EH. EH2/LC28/3/19. X.3500 28th. Mar. 1919. Will you kindly order from the Stewart Speedometer Co., a New Front Wheel Drive for one of our speedometers fitted to a 15 HP. Delage Car.…

Scan060 The receipt of various parts for experiments from multiple suppliers.
View original record R.H. 235 a(250 T) (B.F. 103, 25-10-18) G. 2244 X.3500 Mr Clark. Wd/Dnl/HP31319. 31st March.1919. Please note that we have received from The British Thomson Houston & Co Ltd. 6 No.24 Watt, 12 Volt Head…

Scan061 Order to be sent to Messrs. Holmes for repairs to a 'Delage' car hood.
View original record To Mr. Mills from EH. X.3500 EH2/LG1.4.19. 1st. April 1919. Please send an order to Messrs. Holmes for the attached amount. This is for repairs to hood on "Delage" Car. It should be charged to C/N.…

Scan062 Testing and poor fuel consumption of a 'Delage' car, comparing it to a 'Buick'.
View original record R.R. 235a (500 T) (S.D. 406. 26-4-17.) Bm. 2/156/13. To R. from EH. c. to CJ. c. to E. c. to BY. c. to Da. EH4/LG11.4.19. X.3500 - RE "DELAGE" CAR We are sending Hancock with this car to West…

Scan063 From 'R' to 'EH' comparing fuel consumption between a Delage and a Rolls-Royce vehicle.
View original record To EH. from R. R2/G15.4.19. X.3056.-RE CONSUMPTION TESTS. X.3500. Many thanks for your very interesting memos re consumption tests on various cars. One would conclude from the Delage that with small…

Scan064 The performance and condition of a Delage Car, model X.3500, after an engine overhaul.
View original record To CJ. from R. c. to EN. c. to EH. c. to DA. RE "DELAGE" CAR. X.3500 We have finished with this, and it was handed in at Conduit Street on Tuesday the 22nd. instant to be sold. It is now in a far…

Scan065 Purchase of a car, its smooth six-cylinder engine, and improvements made.
View original record To CJ. from R. -2- steering had too much friction to suit our ideas. It was also noticed that the frame was particularly heavy, i.e. of thick metal. Another reason for purchasing this car was to see…

Scan066 Inability to find an identification number for spares for a 1914 Calcott car.
View original record To EH. from E. copy E8/G29.3.19. RE SPARES FOR CALCOTT. X3500 We cannot find any identification number of any description on the Calcott. The car, however, is a 1914 model, and I do not think that…

Scan067 Offer to test a Delage car chassis with front-wheel brakes.
View original record X3500 S/W (Hs.) C2/H17.7.20. I mentioned to you at the last conference a Delage car. We have been offered, by Major Gregg of the Car Mart, a new chassis which has just been delivered, fitted with…

Scan068 Receipt from The Car Mart Ltd. for a Delage chassis received on loan with a slightly leaking radiator.
View original record THE CAR MART, LTD., HEAD OFFICES AND SHOWROOMS 297-9, EUSTON ROAD, LONDON, N.W.1. Telephones— Head Office: MUSEUM 2000 (5 lines). West End: REGENT 2612. Telephone— Garage: MUSEUM 1901. West End…

Scan069 The acceptance of an offer for a Delage and its transport to Derby.
View original record Rowan Rolhead Reg London Pleased to accept offer of Delage Can it be sent to Derby or shall we fetch it we should like it for two days. #ives.

Scan070 Technical report on a 6-cylinder Delage chassis obtained on loan for inspection.
View original record X 3500 To R+ from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. Hs2/LG23.7.20. X.3500. RE DELAGE . CAR. Mr. Cowan has been able to obtain on loan a 6-cylinder Delage chassis. We have had this…

Scan071 Engine test report detailing issues with vibration, oil consumption, and performance at various speeds.
View original record Contd. -2- Hg2/LG23.7.20. at right-angles to the crankshaft. There is a centrifugal water pump at the opposite end of the drive which drives the Magneto. The Water is delivered to one end of the…

Scan072 Engine horsepower at various RPMs and an analysis of the vehicle's electrical equipment.
View original record Contd. -2- Hs2/LG23.7.20A REVS. HP. 500 12.56 750 14.47 1000 18.76 1250 22.07. 1500 23.08. 1750 24.59 2000 23.44 2250 18.50. ELECTRICAL EQUIPMENT: X 3374 (crossed out) The whole of the electrical…

Scan073 Specifications and performance of a vehicle's clutch, gearbox, and brake systems.
View original record Contd. -4- Hs2/LG23.7.20. as the lighting was earthed. The single contact bulbs are used in the lamps. The Battery is carried in the frame at the rear. CLUTCH. The clutch is the dry-plate type. Seven…

Scan074 Brake system testing, detailing issues with springiness and including a performance comparison with a Delage vehicle.
View original record Contd. -5- Hs2/LG23.7.20. front brakes but there is no compensation for all four brakes. It is possible to disconnect the rear brakes and to operate the front only. On the other hand, it is necessary…

Scan075 Report page detailing braking distance tests and performance analysis.
View original record Contd. -6- Hs2/LG23.7.29. Speed. Road conditions. Distance in yds to bring car to stop. R.R. Delage. 20 M.P.H. Dry tarmac. 15 yds. 7 yds. 30 M.P.H. " " 32 yds. 18 " 40 M.P.H. " " 57 yds. 40 " TESTS ON…

Scan076 Vehicle evaluation report covering steering, chassis specifications, fuel consumption, and braking performance.
View original record Contd. -7- Hs2/LG23.7.20. radius rods. They are elliptic type. The back axle ratio is 3.75 to 1. The diameter of the road wheels is 895 x 135. The back axle was exceptionally good for silence. The…

Scan077 Comparative test notes on braking, carburation, and a vacuum petrol feed system.
View original record Contd. -8- Hs2/LG23.7.20. up more quickly and smoothly, there is also the very important consideration that the tyres should last longer. When we carried out comparative tests with the R.R. and Delage…

Scan078 Technical specification sheet for a Delage Car, No. 7573, detailing weight, gear ratios, and engine parameters.
View original record X3500 23/7/20 DELAGE CAR. No. 7573. Weight - rear - 12 cwt. 0 qrs. front - 15 " 2 " Total 1 ton. 7 cwt. 0 qrs. Rear Axle ratio 3.75 to 1. Reverse Eng: 4.700 to 1 - brake drum. 1st. gear " 3.65 to 1 "…

Scan079 Brake and dynamometer test results comparing a Rolls Royce vehicle with a Delage vehicle.
View original record -2- BRAKE TEST ON ROAD (DRY TARMAC) Speed. R.R. Delage. Remarks. 20 MPH. 15 yds. 7 yds. Delage tyres Michelin safety treads. 30 MPH 32 yds. 18 " R.R. Dunlop Magnum Goodyear. diamond tread. 40 MPH. 57…

Scan080 Arrival of a DeLage car at the Works and an inquiry into its purpose, with a handwritten reply.
View original record Typed Text: R. R. Files (50 T) (S.G. 756, 24-5-20) G. 2629 Hs. Re - DeLage Car. D/AWS22/2108/W30.7.20. We note the above car arrived at the Works from London on the 21st inst, and we shall be glad if…

Scan081 Purchase and testing of a Delage car following a conversation with Mr. Royce.
View original record W/S To C. from Hs. X3525 Hs3/LG25.11.21. I am very interested to know what has happened as regards the Delage Car. We spoke to Mr. Royce about this matter when we were with him and he was quite…

Scan082 Trip to London and the collection of a Delage car.
View original record Y3525 C. from Hs. Hs3/LG28.11.21 RE "DELAGE" CAR. X4195 [Struck through] X3525 I shall be in London on Wednesday 30th.inst. I am coming up with Mr. Maddocks and to meet Mr. Day and then going on to…

Scan083 Confirming the purchase of a secondhand Delage car for £1075 and arranging its collection.
View original record S/W Hs. X3525 C19/C29.11.21. Re Delage. I have bought the secondhand car for £1075. If you can call for it tomorrow afternoon you can take it back to Derby with you. C.

Scan084 Inventory of accessories and a damage report for a Delage car.
View original record X3525 1.12.21. "DELAGE CAR" ACCESSORIES. 1 Travelling Rug. 1 Rubber mat (front) 1 Rudge-Whitworth wheel spanner. 1 set tyre levers (3) 1 Jack complete. 1 Tyre Pump 1 Petrol Dip Stick. 1 Hub grease gun…

Scan085 Committee's recommendation to purchase a used Delage car to study its 4-wheel braking system.
View original record CJ. from Hs. X3525 Hs1/LG1.12.21. X3525 X4219 Referring to the attached ref. CJ18/E29.11.21. The recommendation to buy the Delage car came from a Committee comprised of - PN, EP, HY, Rg and Hs. You…

Scan086 Proposing a visit to Mr. Royce at West Wittering to compare the Goshawk and Delage cars.
View original record R. from Hs. c. to CJ. c. to Wor. X3525 Hsl/LG9.12.21. GOSHAWK 11. DELAGE CAR. RE. VISIT TO WEST WITTERING. X3525 X4219. We propose bringing the Delage Car to W.W. next week - we also propose bringing…

Scan087 Requesting an outer valve spring for a Delage car, which is to be taken to Mr. Royce.
View original record W/S. C. from Hs. X3525 Hs1/LG10.12.21. "DELAGE" CAR. You will remember on the 'phone, I asked you to obtain outer valve spring for the Delage Car. We should be very pleased if you could send this off…

Scan088 Particulars and performance data for a Delage Sporting Model car.
View original record X3525 "DELAGE" CAR. Sporting model - particulars. Weight complete with - Open touring body (boat shape) 4-seater Rudge Whitworth 880 X 120 wire wheels 2 spare wheels carried at sides. Petrol tank, to…

Scan089 Performance and specification test report covering cooling, clutch, brakes, engine timing, and suspension.
View original record -2- Time to pass 5 galls. of water at 75º (1250 revs. of engine) 5 mins. 15 secs. Clutch - ease of changing - very good. No squeaks, no jaggers, picks up smoothly. Brakes very spongy - fairly good ( 4…

Scan090 Vehicle specifications for steering, suspension, turning circle, and performance data from a hill climb test.
View original record -3- Steering box - reversible - self-centering. no road shocks felt. Side steering rod ball ends solid with levers. 4 springs - working load 392 lbs. compressed 9/32". 4 start - worm and segment…

Scan091 Request to obtain the Registration Book for a Delage car to renew its license.
View original record W/S C. from Hs. X3525 Hsl/LG31.12.21. ee DELAGE CAR. Will you please obtain for us the Registration Book for this car. We require this urgently as we wish to renew the license. hs.

Scan092 The issuing of licences for various cars, with a note on a delay for the Delage.
View original record X.3500 To E. from Hs. Hs2/LG16.1.22. Herewith licences for - 6.EX Car. Essex Car. 20 HP. R.R. Car. The Delage, we have had difficulty in obtaining the Licence Book. The renewal of this will follow in…

Scan093 Request to obtain a 3-month license for a Delage car.
View original record X 3525 D/L. from Hs. Hs8/LG20.2.22. RE - "DELAGE" CAR. Will you please obtain a 3-months licence for the above car. Hs.

Scan094 Confirmation of a wire sent requesting the return of an Essex carburetter and a license for Delage.
View original record H.R. 284a (100 T) (S.H. 798. 10-12-20) G. 2947 X3525 CONFIRMATION OF WIRE SENT ON 14.3.22. WEST WITTERING. 14th Mar. 1923. ROYCAR. DERBY. X 3525 X4217 HIVES - PLEASE RETURN ESSEX CARBURETTER AND SEND…

Scan095 Request to obtain a licence for a Delage Car for three months.
View original record D/L. from Hs. X3580 Hs6/LG15.3.22. Will you please obtain licence for the Delage Car for 3 months. We think it should be taken out from the end of the present quarter, Hs.

Scan096 Extract regarding a request for a quarterly licence for a Delage car.
View original record X.3525 Extract from El/M16.3.22. RE DELAGE CAR. X.3525. Mr. Day is proposing to use this now instead of the RR.RR. and we shall be glad if you will send the next quarter's licence for it. E.

Scan097 The status, licensing, and parts for D.F.P., Essex, and Delage cars.
View original record M. from Hs/TMW. X3500 Hs/TMW1/LG18322 Referring to your E1/M16.3.22. X4262 D.F.P. Car. The licence for this car expires at the end of this month. It is now ready except for a cushion and we shall send…

Scan098 Requesting the car licence for a Delage and noting the licence for the Essex has expired.
View original record To Hs. from E. Warned for front lights for your dead wicks if you like will see to get them to sort EP 30/3/22 X3525 Fl/M26.3.22. CAR LICENCES. We should be glad to receive from you at the earliest…

Scan099 Request for an inspection of worn parts on the Goshawk-11 car after completing 10,000 miles.
View original record E. from Hs. c. to Da. c. to CJ. X3525 GOSHAWK-11. X4086 X3525 Hs1/LG29.4.22. S-Goshawk-11 which has completed over 10,000 miles in France, is now being dismantled for inspection. There are a number of…

Scan100 Telegram received by telephone regarding travel arrangements.
View original record R.R. 144A (100B.) SE 867. 9.7.18 MP 193871 ROLLS-ROYCE, LIMITED. X3525 X4219 TELEGRAM RECEIVED BY TELEPHONE. [STAMP: RECEIVED 11 A.M. 22 MAR 1934] Time Received: 12 55 Date: 22 To: Roycar Derby By:…

Scan101 To Stores to despatch a Dunlop tyre cover for the Experimental Delage Car to Mr. Day at no charge.
View original record Y3525 BP. from Hs. c. to Stores. Hs2/LG24,5,22. Herewith We are sending into the Stores for despatch to Mr. Day, Camacha, W.W. - 1 Dunlop cover 180 X 120. This cover is for the Experimental Delage Car…

Scan102 Comparison between Rudge-Whitworth and Dunlop detachable wire wheels.
View original record To BJ. from R. c. to CJ. Wor. c. to Da. E. c. to BY. Hs. c. to Sp. Hy. X3525 R7/M2.6.22. X.3525 X.3599 X.4050 X.421. RE. RUDGE WHITWORTH & DUNLOP WIRE WHEELS. In light of recent experience we find…

Scan103 Purchase of Dunlop Magnum canvas tyre covers and the switch to cord fabric tyres.
View original record DA. from Hs. V3525 X4050 V3525 Hs2/LG9.6.22. RE. DUNLOP MAGNUM COVER. We should imagine the Dunlop cover offered at 65% of the list price is the Dunlop Magnum canvas cover. We should anticipate that…

Scan104 The performance and issues found with a Delage car.
View original record TO HS. FROM R. c. to CJ. RJ. c. to C. IMB. c. to PN. E. c. to De. EPC. RE. THE DELAGE CAR. X3525 OWING to my RR. car being in London I had occasion to use this car, but found it very noisy and…

Scan105 Report page on a vehicle breakdown, comparing magneto and battery ignition systems and concluding with a recommendation.
View original record (2) of magneto armature was hopelessly broken down - I put the car in a farm shed and came home on a Ford, a lesson to be burnt from a master. (1) If this is a specimen of Delage effort to cut out RR.…

Scan106 License for Delage car X.F.9531.
View original record X3525 Hs. D/L2/B1.7.2 2. Herewith license from July 1st to December 31st for Delage car X.F.9531. Sent to Ra. 1/7/22 [Handwritten Initials] D.L. Jul [Stamp] Hs 1 JUL 1922 RECEIVED

Scan107 Dispatch of a license for a Delage car.
View original record V3525 Da. from Hs. Hs1/LG1.7.22. RE. DELAGE CAR. We send you herewith license for the above car from July 1st. to December 31st. Hs.

Scan108 Thanking a colleague for enclosing the licence for the Delage car.
View original record R.R. 255a (100 T) (S.H. 798. 10-12-20) G. 2948 Handwritten: Y/3525 To Hs. from Da. Dal/M3.7.22. RE. DELAGE CAR. Handwritten: Y3525 Thank you for your Hs1/LG1.7.22. enclosing licence for the Delage…

Scan109 Letter to Mr. Hives enquiring about borrowing a Fiat or Delage that was returned for sale.
View original record S/W HS. X3500 C4/C2.8.22. X3500 X 4153 Dear Mr.Hives, R. wrote to you on the 5th ult. saying he was returning to you the Fiat and the Delage so that they might be sold. Have you received these two…

Scan110 The availability of a Delage car and a Fiat car.
View original record W/S C. from Hy. X3500 Hy1/LG3.8.22. X3500 / X4133 Referring to your C4/C2. 8.22. Neither the Delage car or the Fiat car have been sent from W.W. and therefore we do not know whether they are available…

Scan111 Typed memo requesting an update on the completion and sale availability of Delage and Fiat cars.
View original record S/W hs. X.3500 Bs8/C16.8.22. X.4133. X.3500 Will you please let us know whether you have received from R. the Delage and Fiat Cars, as mentioned in R1/M5.7.22. If so, will you let us know when you…

Scan112 From 'Da.' to 'hs.' concerning the urgent need to repair and sell a Delage car, as per Mr. Royce's instruction.
View original record To hs. from Da. X.3525. Da3/M/14.9.22. Mr. Royce the other day said that he thought the Delage ought to go back to be sold as soon as possible. Presumably you will be bringing down a car before long…

Scan113 The return of a Delage car to Derby before its sale.
View original record To Bs. from Da. X.3525. Da4/M16.9.22. DELAGE CAR X.3525. I have written to Derby re. returning the Delage there. I think it should go there for a short time before being sold. Da.

Scan114 Inquiry about the sales availability of a Delage car, referencing an attached document.
View original record Y3525 Bs12/KW20.9.22. [Stamped circle, crossed out: S/W. Ep.] Re - Delage Car. We attach DA4/M16922. Can you give us any idea as to when the Delage will be available for sale. Enc. E/Bs. [Signature: M…

Scan115 Requirement of a Delage car at Derby for one week prior to its sale.
View original record X8525 W/S. Bs. from Hs. Hs6/LG25.9.22. RE. DELAGE CAR. Referring to your Bs12/KW20.9.22, we anti cipate that we shall require the Delage car at Derby for one week before it is returned to you for…

Scan116 Request to source a new steering wheel for a Delage car.
View original record Ms. from Hs. X3525 Hs5/LG11.11.22. DELAGE CAR. We require a new steering wheel for the above car. The number of the car is 8150, Type GS. It is a 24 HP. car and was built, we believe, in 1920. We…

Scan117 For Mr. Murray Smith regarding the delivery of a new steering wheel for a Delage car.
View original record Y3525 W/S. For the attention of Mr. Murray Smith. Hs2/LG11.12.22. RE. DELAGE CAR. With reference to your enquiry on the telephone in regard to the above car. We have received an advice that the new…

Scan118 The availability of the Delage Experimental Car or a similar small car for the retail Sales Department.
View original record X3525 To Hs. from Gx. Gx2/GM11.12.22. Would you kindly let me know if you have the Delage Experimental Car at Derby and whether this is finished with. If not, have you any other Car of a similar size…

Scan119 'Delage' car, with an instruction not to send it to London.
View original record X3525 To Hs. from Cx. Cx15/CM13.12.22. Re Delage In reply to your Hs2/LG11.12.22. for the moment please do not send this Car to London. Cx. dwb [Stamp: RECEIVED 14 DEC 1922 Hs R.R. LTD]

Scan120 Steering tests conducted on a Delage car, detailing wobbling issues and the effects of different tyres and spring settings.
View original record Mr. Hives, from GWH. X3525 14.12.22. STEERING TESTS ON DELAGE CAR. X3525 Steering by hand on the Delage car is quite easy on a flat level road - the wheels are inclined to wobble when they strike an…

Scan121 Particulars of Delage side steering rod springs.
View original record Mr. Hives from GWH. /3525 15.12.22. PARTICULARS OF DELAGE SIDE STEERING ROD SPRINGS. No. of springs fitted 4 Length - free 1.425" Working length 1.125" Dia. of wire. .200" No. of coils. 6 Dia. of…

Scan122 Request for three new Raybestos clutch discs for a Delage car.
View original record X3525 Ms. from Hs. Hsl/LG22.12.22. DELAGE CAR. We require for the above car - 3 new Raybestos Clutch Discs as per broken sample herewith. Will you please obtain these as soon as possible. Hs.…

Scan123 Instruction sheet with a diagram illustrating a load test on a Delage steering wheel.
View original record RR 26 (10M BKS' (CH 689 5-11-20) MP 231109 X3525 ROLLS-ROYCE LTD. INSTRUCTIONS. To: Mr Hives Order No.: Delage Customer's No.: Steering Load taken to move steering wheel with side rod removed, load…

Scan124 Comparison of the 40/50 HP steering with the Delage steering system.
View original record To R. from Hs. c. to CJ. c. to E. c. to Da. c. to EY. X3500 Hs2/LG10.1.23. RE. STEERING. X3500 X3465 We have made several comparisons with the 40/50 HP. steering with and without the plain thrust on…

Scan125 Comparative analysis of steering effort and road shock transmission between a 40/50 HP model and a Delage car.
View original record contd:- -2- in the column, that 6 lbs. pull on the pendulum lever turned the steering wheel. On the Delage car it was necessary to have 22 lbs. pull on the pendulum lever in order to turn the wheel.…

Scan126 Comparative test of steering effort between a 40/50 model and a Delage car.
View original record contd:- -3- We fixed on to the steering wheel of each car a pulley (13.5" radius) around which we passed a wire and hung on weights The 40/50 with the ball thrust took 4.5 ozs., the Delage 14 ozs. The…

Scan127 Tests conducted to analyze steering wobbles on a 40/50 chassis.
View original record To R. from Hs. c. to CJ. c. to E. c. to De. c. to SY. X3500 Hs1/LGl2.1.23. X1692 ----- X3500 STEERING WOBBLES. X457 The wobbles referred to in these tests are the violent wobbles of the road wheels…

Scan128 Tests conducted to understand the cause and effect of steering wobbles in vehicles.
View original record contd:- -2- we are using now. We proved that tyre pressures made no difference to the period. We proved that whether we had buffer springs in the side steering tube or whether we had a straight tube…

Scan129 Tests to understand the causes of vehicle 'wobbles', focusing on tyre pressure, tyre type and chassis weight.
View original record contd:- -3- We found that the tyre pressure has a considerable effect upon the degree and the speed at which the wobbles take place. We have never yet been able to produce wobbles if we run on bare…

Scan130 Analysis of chassis and steering wobble, its causes, and methods for reduction.
View original record contd:- -4- instead of having the weight bolted to the under-side of the crankcase we fixed it to the top of the crankcase, wobbles could be built up. If we take a chassis which has wobbles and we…

Scan131 Steering wobble, comparing different vehicles and detailing experiments and alterations to reduce or eliminate it.
View original record Contd:- -2- on the Delage is practically the same as our own - 310 per min. The Marmon we can wobble but in order to get them to build up, it is necessary to have a considerable amount of slack in the…

Scan132 Query about the reasons for a surprisingly large pivot inclination on the Goshawk model's front axle.
View original record To Hs. from Da. c. to BY. X3525 Dal/M13.1.23. RE. FRONT AXLES. X.4547 X.4264 X.3525 X.3465 We recently had a request from BY's Dept. asking for final instructions as to the inclination of the pivots…

Scan133 Technical query about the specifications of a worm and wheel steering system, comparing Delage pivots to a 40/50 model.
View original record contd:- -2- Could you inform confirm this and could you at the same time give us particulars as to the pitch, diameter, linear pitch of the worm, number of starts in both worm and wheel so that we can…

Scan134 Asking for test results on Delage springs and correcting the pitch angle on a worm helix.
View original record To Hs. from Da. X/3525 Da2/M26.1.23. X.3525 X.2628 We meant to have asked you yesterday whether you hadhad any results from weakening the Delage springs, and testing for the effect of shocks. We have…

Scan135 List of specifications and dimensions for a 'Delage' worm gear.
View original record X/3525 5. 2. 23. PARTICULARS OF "DELAGE" WORM. Top diameter...........3.062 Pitch "...........2.750 Bottom "...........2.420 Helix angle..........17° 45 mins. Angle of tooth.........10° Linear…

Scan136 Correspondence regarding sending a Delage car to Lillie Hall in London to be sold.
View original record W/S. C. from Hs. X3525 Hs2/LG6.4.23. DELAGE CAR. We propose sending the above car to London. We have now finished with this car and wish you to sell it. We propose sending the car next week and…

Scan137 Inventory list of a Delage tool kit as received.
View original record X/3525 9.4.23. DELAGE TOOL KIT (as received). 1 Canvas Tool Bag. 1 Jack - complete. 1 R.W. Wheel Spanner. 3 Tyre Levers. 1 Tyre Pump. 1 Syringe. 1 Grease Gun (hub) 2 Large Adjustable Spanners. 3 pairs…

Scan138 Arranging the delivery of an unregistered Delage car from the Experimental Department to Conduit Street.
View original record D/BP X3525 April 10th. 1923. We understand that the Delage Car, which is now in the Experimental Department, is being delivered to Conduit Street, to Sales instruction, tomorrow, by road, per Mr.…

Scan139 Delage car collected by Mr. Hancock without the delivery notes.
View original record X3525 D/BP. from Hs/TMW. Hs/TMW1/LG11.4.23. DELAGE CAR. Referring to your note of the 10th.inst. Mr. hancock left with the above car at 6 o'clock this morning, and we are of the opinion that he left…

Scan140 Sale of a Delage car which has arrived at Lillie Hall.
View original record S/W X3525 C9/C21.4.23. Hs2/LG14.4.23 - We note you have now finished with the Delage and we will accordingly sell this. The car duly arrived at Lillie Hall. C.

Scan141 Request for mileage and other information on a Delage car being offered for sale.
View original record X3525 S/W. Bly21/CMB.5.23. RE:- THE DELAGE CAR. We are now offering this Car for sale and in order that we may have full particulars at hand, will you kindly advise us the mileage the Car did whilst…

Scan142 Brief memo regarding the mileage of a Delage car.
View original record W/S Bly21/CM3.5.23. X3525 Hs5/LG10.5.23. RE. DELAGE CAR. The car, whilst in our hands ran a distance of 6,300 miles. Previously to that, I believe it was supposed to have run 3,000 to 4,000 miles. Hs.

Scan143 Road test report on a 5 Litre Supercharged Mercedes, detailing its performance, handling, and braking.
View original record x3500 To Sg. From Ha/Gry. c. to Wor. c. to E. c. to Da. c. to Hy. c. to IRv. c. to Bn. Hs/Gry.10/KW. 27.11.34. Not sent out 5 Litre Supercharged Mercedes. We were able to have a run on one of these…

Scan144 Road test report on a 4 Litre 100 m.p.h. Delage and a comparison with a 3 1/2 Bentley.
View original record -2- Ha/Cry.10/KW.27.11.34. The car was exceedingly tractable on the direct 3rd gear, but the gear ratios either side of this 1.6 + up and down seemed too wide. The synchromesh on 2nd and 3rd hardly…

Scan145 Photograph of a Delage car from the 1920s with a handwritten note about its ownership and donation.
View original record A Delage owned by RR Ltd in the 1920s. Donated by W G Hardy July 1979

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