Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Standardisation of chassis parts concerning turbulent flow radiator tubes. | ||
| View original record | RR 785 (10M) (3-7-30) BM. 6/2571. COMPLETED 11.2.31. X7250. STANDARDISATION of CHASSIS PARTS. Description of Parts. TURBULENT FLOW RADIATOR TUBES. Date 18.10.30. X No. 7250 Drawing No. 5250 Part List… | ||
| Scan002 | Standardisation of a shallow tank radiator, wider dashboard, and overlapping bonnet to improve the appearance of the car. | ||
| View original record | RR 755 (10M) (3-7-30) BM. 6/2571. Y.G. 50. COMPLETED 11.2.31. STANDARDISATION of CHASSIS PARTS. Date 24.7.30. X No. X.7500. X.7260. Drawing No. 5250. Part No. N.Sch. 3035 3096 3062. Description of… | ||
| Scan003 | Graph comparing stabilised engine water temperature against car speed for bonnets with vertical and horizontal louvres. | ||
| View original record | FILE UNDER PII RAD x/7/50 ENGINE COOLING. P.I. COMPARISON BETWEEN STANDARD VERTICAL LOUVRED BONNET AND BONNET TO WITH HORIZONTAL LOUVRES. RADIATOR WITH 6x7 1/2mm TUBES WITH INDENTATIONS. CAR 19EX,… | ||
| Scan004 | Page of various numerical calculations and jottings. | ||
| View original record | 100 65.5- 34.5 87 11.75- 75.25 100 75.25- 24.75- 91 12.5- 78.5 100 78.5- 21.5 Dunchurch 15 7.75 6.75- 128 36 164 137 44 181 | ||
| Scan005 | Test results for a 'J' Filling Thermostat, detailing opening and closing temperatures. | ||
| View original record | Copy for Files. X7250. 11-2.31 "J" FILLING THERMOSTAT. 22-EX. X.3499 X.7250. Starts to open @ 77.3°C. Fully open @ 81°C. Starts to Close @ 79°C. Fully closed @ 74°C. 3 readings taken for - STARTS TO… | ||
| Scan006 | Modifications to a radiator cap to prevent bursting radiators. | ||
| View original record | HS. FROM E. X/550 E2/M11.4.31. C. to SG. WOR. BY. RADIATOR CAP. X.7250. X.5250. With reference to the danger of bursting radiators with the new caps discussed with you in Derby we send here-with a… | ||
| Scan007 | The first series of tests comparing different radiator tube designs for the Phantom II model. | ||
| View original record | x7250. To R. From Hs/Rm. c. to EG. Wor. c. to E. Ds. c. to Ey. Hs/Rm.1/KT. 21.4.31. x3678 P.II RADIATOR TESTS. We have now carried out the first series of tests comparing the latest square tube… | ||
| Scan008 | Report page discussing the efficiency and cost of a tube shape, pending further tests. | ||
| View original record | - 2 - Hs/Rm.1/KT.Pl.4.H.contd. we may be able to get adequate efficiency without this somewhat more costly tube shape. A further report will be sent as soon as we can complete the tests. Hs/rm. | ||
| Scan009 | Comparative table of radiator tube performance based on critical air temperature tests. | ||
| View original record | TYPE OF RADIATOR TUBE CRITICAL AIR. TEMP oC The difference between the top water temp. and Ats (st) subtracted from 100oC. This temp. represents that at which the car will eventually boil in still air… | ||
| Scan010 | Technical drawing for a 'Matrix Tube' with specifications for annealing and pressure testing. | ||
| View original record | TOP AREA: TUBES TO BE ANNEALED BY THE SUPPLIERS AGAINST SEASON CRACKING ONLY B 2151 C 2138 ESI389 ESI390 8/1386 DRAWING NOTES & DIMENSIONS: LENGTH OF TINNING .300 +50 .250 +25 7 3/4 +1/16 -0 .007 2 1… | ||
| Scan011 | Instruction to fit a modified anti-splash radiator cap to specific experimental cars. | ||
| View original record | N7250. To RHC. From Hs/Lid. Hs/Lid.3/KT.22.4.31. ANTI SPLASH RADIATOR CAP. Will you please arrange to fit the modified radiator cap, to Lec. 2899, to the radiators on 25-EX, 27-EX, and 22-EX. Hs/Lid. | ||
| Scan012 | Water flow test results for an SS.15 unit, comparing four different radiator configurations. | ||
| View original record | Water Flow Tests on SS.15 Unit. Venturi between cylinder head and radiator. Galls/min. = 8.64 √H ins Hg. (1) Radiator with .268 (small hexagon tubes.) Tube Piece No. R.P.M. | Diff. across Venturi Ins… | ||
| Scan013 | Comparative table of radiator types and their boiling temperatures at specified speeds. | ||
| View original record | TYPE OF RADIATOR MATRIX. Figures given Ats. Temp. at which the car will eventually boil if driven for sufficiently long under conditions specified. 30 M.P.H. | 45 M.P.H. --- Small Hexagon Ended… | ||
| Scan014 | Table showing the boiling temperatures in Celsius for different types of bonnet ventilation at various speeds. | ||
| View original record | Figures given are temps. at which the Car will boil if driven for sufficiently long at full throttle under the conditions named. °C. Type of Bonnet Ventilation. All Out | 45 M.P.H. | 30 M.P.H.… | ||
| Scan015 | Graph comparing water pump delivery and suction/pressure performance for three different radiator types against engine RPM. | ||
| View original record | V.1142 RADIATOR WITH 268 HEXAGON TUBES STD RAD WITH 4 DENTS IN EACH TUBE SQUARE TUBE RADIATOR DELIVERY GALLS/MIN ENGINE RPM SUCTION SIDE PUMP PRESS lbs/□ DEP'N lbs/□ 19-8-21 R.M. | ||
| Scan016 | Comparison table of different radiator matrix types and their boiling temperatures under various conditions. | ||
| View original record | TYPE OF RADIATOR MATRIX CRITICAL ATS TEMP OR TEMPERATURE AT WHICH THE CAR WILL BOIL IF DRIVEN FOR SUFFICIENTLY LONG AT FULL THROTTLE UNDER THE CONDITIONS STATED. TESTS ON 19 EX. CAR CONDITIONS AS IN… | ||
| Scan017 | Page with a purple 'Print Room' stamp in the bottom right corner. | ||
| View original record | ROLLS-ROYCE, LTD. PRINT ROOM 28 MAY 31 DERBY | ||
| Scan018 | Note indicating that for photostats, the original document should be consulted. | ||
| View original record | Hs/Rm.8/KT.19.5.31. FOR PHOTOSTATS SEE ORIGINAL. | ||
| Scan019 | Replacement of a faulty radiator anti-splash valve to prevent radiators bursting. | ||
| View original record | To By. From Hs/Lid. Ha/Lid.5/MJ.21.5.31. X.5250. X.7250. Y7250. RADIATOR ANTI-SPLASH VALVE. Owing to the Dermatine washers in the original radiator anti-splash valve swelling out we have had a case of… | ||
| Scan020 | Radiator improvements for 45 HP and 25 HP models, including changes to copper tubes, weight reduction, and non-spilling valves. | ||
| View original record | Hs. } FROM R. By } c. Sg. Wor. PN. c. F. L. Da. X7250 R4/M22.5.31. X.7250 X.5250 X.766 RADIATORS - 45 HP. and 25 HP. Referring to Hs/RmB/KT19.5.31, to get amove on we ought to adopt the .309 round… | ||
| Scan021 | Experimental order for radiator tubes for 40/50 HP and 20/25 HP models. | ||
| View original record | BY/GB. c. Hs. Y7250. BY8/G. 27.5.31. 2 copies. X7250. X5250. X4607 40/50 HP. and 20/25 HP. RADIATORS. As an experimental issue alone, in order to enable us to decide which of the American tubes is the… | ||
| Scan022 | Test report on bonnet rattles, water temperature, steering improvements, and petrol boiling issues. | ||
| View original record | COPY. 87250 R. Sg. Wor. E. Da. By. X.7941. X.7260. X.5250. To Hs. From GWH. Hotel de France, Chateauroux, Indre, FRANCE. 29.6.31. 25-EX. We have today been carrying out tests for bonnet rattles and… | ||
| Scan023 | Performance of different radiator types for Phantom II Cooling. | ||
| View original record | S/W To Hs. from Sg. re P.II Cooling. Sg8/EB.7.31 I was very much interested to see in Hancock's report that the radiator with the large hexagon American tubes doesnot produce the margin of safety we… | ||
| Scan024 | Comparative tests on different radiator tube sizes and their impact on engine cooling. | ||
| View original record | To R. From Hs. c. to Sg. Wor. c. to S. Da. c. to By. 87250. No.9/WJ.18.7.31. RADIATOR TUBES. X.7520. X.5520. X.4607. The comparative tests which have been carried out in France on the two sizes of… | ||
| Scan025 | Standardisation of large diameter American tubes for radiators for the 25 HP and 40/50 models. | ||
| View original record | By. From Hs/Rm. ry-50. RADIATORS. Ha/Rm.5/MJ.23.7.31. X.7250. X.5250. You will see from our recent notes that it has been decided to standardise the large diameter American tube. We have handed one of… | ||
| Scan026 | Summary of Phantom II radiator tests conducted in France, detailing temperature rises during a hill climb. | ||
| View original record | To R. from Hs/Rm. c. Sg. Wor. c. Da. E. c. Ev. PN. 87250 Hs/Rm2/AD7.8.31. P.II RADIATORS. Attached is a summary of the tests on radiators carried out in France by C.W.H. It will be observed that some… | ||
| Scan027 | Summary of radiator tests comparing critical atmospheric temperatures with and without bonnet ventilation at various speeds and conditions. | ||
| View original record | SUMMARY OF RADIATOR TESTS. 25-EX. 4.9/1 C/R. 1931. NO BONNET VENTILATION. Level road. | Critical ats. temp. Cº | Small tube rad. .312 across flats. | Large tube rad. .360 across flats. 60 M.P.H. | 42º… | ||
| Scan028 | Summary of radiator performance tests conducted in France, comparing small and large dented hexagon radiators. | ||
| View original record | Hs/Rm2/ADX.8.31. contd. SUMMARY OF RADIATOR TESTS IN FRANCE. SMALL HEXAGON DENTED. 60 M.P.H. Air temp. 15°C. Level road. With shutters open Without shutters open. Water outlet temperature 69°C. 73°C.… | ||
| Scan029 | Replacement large diameter American Type Matrix Tube for the Phantom II chassis radiator. | ||
| View original record | To-LIGS c. Hs/Rm. ② 13s 3d 87250. BY/CS3/EH.13.8.31. Re Phantom II Chassis - Radiator - Sec:5250. Large diameter American Type Matrix Tube. Please receive herewith two blueprints of the following:-… | ||
| Scan030 | Letter detailing blueprints for the Phantom II radiator mounting and other modifications. | ||
| View original record | c. Hs. 87250 BY/Cgh24/G. 20.8.31. PHANTOM 11 - RADIATOR MOUNTING. DA.1/M.17.8.31. As requested we send you herewith blueprints of the following drawings :- Sch. 1529 showing centre point suspension… | ||
| Scan031 | Radiator requirements for the 27-EX and bumper chassis models. | ||
| View original record | To RHC. From Hs/Les. 87250. Hs/Les.12/MJ.21.8.31. RADIATORS. We require a large tube radiator for 27-EX. The existing radiator can be connected, as we have no further use for the square tubes. As… | ||
| Scan032 | Requesting information on radiator mounting, lubrication schemes, and speedometer drive designs. | ||
| View original record | BY. ) FROM DA. HS. ) X7250 DA1/M17.8.31. P. 2. RADIATOR MOUNTING. X.7250 X.7310 Could you send us a sketch of the radiator mounting referred to in the report on 25-EX, at 10,000 miles as being a… | ||
| Scan033 | Overheating issues and insufficient cooling margins on 40/50 HP models during road tests. | ||
| View original record | To R. from Sg. Copy to Mr. Hs. BY. P.H. re Overheating Trouble on 40/50's. It will doubtless be remembered that, when I came back from my holiday on the Continent two years ago, I complained very… | ||
| Scan034 | Instructions for modifying radiator hex-ended matrix tubes for 40/50 HP and 20/25 HP models. | ||
| View original record | X7250 E. Dept. c. Hs/Rm. By/SS1/J9.9.31. X.7250 X.5250 40/50 HP. and 20/25 HP. RADIATOR HEX. ENDED MATRIX TUBES. The following procedure should be dealt with as soon as possible. (1) 40/50 HP. E.82196… | ||
| Scan035 | Blueprints for a new Large Diameter American Type Matrix Tube for the Phantom II radiator. | ||
| View original record | To RHC c. HS/Rm. 87250. BY/CS3/EH.9.9.31. Re Phantom II - Radiator - Section 5250. Large Diameter American Type Matrix Tube. Please receive herewith two blueprints of the following:- E.82520 Matrix… | ||
| Scan036 | Phantom II cooling tests, measuring the air temperature rise through the radiator and the effect of a louvred bonnet on under-bonnet air pressure. | ||
| View original record | To R. from Hs/Lid. C. Sg. C. Nor. E. C. De. RV. X7250. Hs/Lid.1/AD17.9.31. PHANTOM II COOLING TESTS. x766. x7260. (1) Air Temperature rise through radiator. We have carried out tests to measure the… | ||
| Scan037 | Graph showing the rise of air temperature through a radiator matrix against road speed for chassis 19 EX. | ||
| View original record | CHASSIS 19 EX. RISE OF AIR TEMPERATURE THROUGH RADIATOR MATRIX. MATRIX TUBES 6x7.5MM. WITH 4 INDENTATIONS. TESTS CARRIED OUT WITH NO BONNET OR UNDERSHIELDS FITTED IN TOP GEAR. ENGINE WATER TEMP. 63°C:… | ||
| Scan038 | Series of graphs plotting air pressure under the bonnet against road speed for different gears and bonnet types. | ||
| View original record | CHASSIS 19 EX. AIR PRESSURE UNDER BONNET (RECORDED BY U TUBES) STANDARD UNDERSHIELDS. RESULTS GIVEN ARE AVERAGE OF FOUR READINGS. TWO ON EACH SIDE OF ENGINE, HALF WAY BETWEEN BONNET SIDE HINGE AND… | ||
| Scan039 | Cooling tests comparing air pressure under a bonnet fitted with flip-flap shutters versus a louvred bonnet. | ||
| View original record | To R. From He/Lid. c. to Sg. Wor. c. to H. Da. c. to By. [illegible signature] 50. Hs/Lid.1/WJ.19.9.31. P.2 COOLING TESTS. x766 x7=60 Further to Hs/Lid.1/AD.17.9.31. we have recorded the air pressure… | ||
| Scan040 | Series of graphs showing air pressure under the bonnet at various road speeds for Chassis 20 EX under different configurations. | ||
| View original record | CHASSIS 20 EX AIR PRESSURE UNDER BONNET (RECORDED BY U TUBES) STANDARD UNDERSHIELDS. RESULTS GIVEN ARE AVERAGE OF FOUR READINGS, TWO ON EACH SIDE OF ENGINE, HALF WAY BETWEEN BONNET SIDE HINGE & BOTTOM… | ||
| Scan041 | Mostly blank page with very faint, illegible text at the top and a date stamp at the bottom. | ||
| View original record | [Illegible text] 19 SEP 31 DERBY. | ||
| Scan042 | Cover note for an attached chart of top water and air temperatures on the 25-EX car in France. | ||
| View original record | FOR FILES. 87250. 22.9.31. X.7941. X.7250. Attached chart of top water and air temperatures on 25-EX. car in France. Hs/Rm. | ||
| Scan043 | Line graph comparing Kestrel & Condor engine oil temperature curves over several days in 1927. | ||
| View original record | Top: A.D.M. 250 / V.S. Kestrel & V.S. Condor Oil Temp. Curves Copy 25.10.27 Left Axis Label: Oil Temp °C Left Axis Values: 90, 85, 80, 75, 70, 65, 60, 55, 50 Bottom Axis: Kestrel LAD [Illegible] /… | ||
| Scan044 | Phantom II cooling tests comparing different hexagonal matrix radiator tubes and ventilation effects. | ||
| View original record | To R. from Hs/Lid. c.c. Eg. c.c. Wor. E. c.c. De. Ry. x7250. Hs/Lid.1/ADSO.9.31. P.II COOLING TESTS. x766. We attach herewith results of further cooling tests in which the air temperature rise through… | ||
| Scan045 | Uncomfortable air temperatures recorded near the pedals, necessitating improved ventilation. | ||
| View original record | Hs/Lid/AWO.9.31 contd. -2- The most outstanding fact shown up by these tests is the air temperature recorded under the floor boards near the pedals. In France a temperature of over 80°C. was recorded… | ||
| Scan046 | Graph comparing air temperature rise during cooling tests with the bonnet on and off, using hexagonal matrix tubes. | ||
| View original record | 25 FX. COOLING TESTS :- AIR TEMPERATURE RISE ACROSS RADIATOR. AIR TEMPERATURE RISE FROM FRONT OF RADIATOR TO FLOOR BOARDS. USING .268" HEXAGONAL MATRIX TUBES. Left Graph: BONNET OFF (AVERAGE AIR TEMP:… | ||
| Scan047 | Blank page with a date stamp. | ||
| View original record | R. MITTED 30 SEP 31 I.L. | ||
| Scan048 | Graph illustrating air temperature rise during cooling tests, comparing results with the bonnet on and off. | ||
| View original record | 25 EX. COOLING TESTS:- AIR TEMPERATURE RISE ACROSS RADIATOR. AIR TEMPERATURE RISE FROM FRONT OF RADIATOR TO FLOORBOARDS. USING .312" HEXAGONAL MATRIX TUBES. BONNET OFF. AVERAGE AIR TEMP: 12.5 °C… | ||
| Scan049 | Issues and solutions for radiator mounting on the Phantom II with diamond engine mounting. | ||
| View original record | To Ey. from Hs/Les. 67250. Hs/Les.4/KT.22.10.31. x7250 x7005 RADIATOR MOUNTING P.II. FOR USE WITH DIAMOND ENGINE MOUNTING. From the increased frame deflection with diamond mounting, we find it… | ||
| Scan050 | Standardisation of a radiator with .312' hexagon copper tubes for more efficient cooling. | ||
| View original record | RR 755 (10M) (8459, 24-10-30) 6/3165. X7250 COMPLETED 5.11.31 STANDARDISATION of CHASSIS PARTS. Date 26.9.31 Description of Parts. RADIATOR WITH .312" HEXAGON COPPER TUBES. Origin. To obtain more… | ||
| Scan051 | Standardisation form for chassis parts detailing fitting information for a new part. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS No. G.P.S/19. DATE 11.11.23 REF. LETTER No. 2384/C9. DATED 1.11.23 The number of the first chassis on which the new part will be fitted. 51st. in W.2. Date when… | ||
| Scan052 | Issues with the Phantom II radiator suspension and diamond engine mounting. | ||
| View original record | By - from Sft. Hs. By/SS. M. Scott. X7250. Sft.4/B.7.11.31. X7250. X7005 Phantom II Radiator Suspension with Diamond Mounting for Engine. BY/SS9/N.2.11.31., and Hs/Les.4/KT.22.10.31. With regard to… | ||
| Scan053 | Plunger modifications, frame deflection, and engine alignment issues causing a program delay. | ||
| View original record | -2- Sft.4/B.7.11.31. ----------- With regard to the modification of the plunger as mentioned in the last paragraph of Hs/Les.4/KT22.10.31., this point was raised by our own Fitting Dept. last April… | ||
| Scan054 | Standardisation of chassis parts document for dropping the radiator 4 inches in the frame. | ||
| View original record | RR 785 (10M) (8459, 24-10-30) 6/3185. X 7250. COMPLETED 15.12.31. STANDARDISATION of CHASSIS PARTS. Date 20.10.31 X No. 5250 / 3499. Drawing No. 6956. Part List No. LOT 3831. N.SC. 3313. Description… | ||
| Scan055 | Standardisation form for a new chassis part, detailing its first fitment, testing, and associated costs. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS The number of the first chassis on which the new part will be fitted... 101 in 'T'. Date when chassis will be handed to Test.... --- Cost of scrapped material, if… | ||
| Scan056 | Standardisation of the bottom water pipe from radiator to pump for the chassis. | ||
| View original record | RR 755 (10H) (8459, 24-10-30) 6/3185. X7250. COMPLETED 30.12.31. STANDARDISATION of CHASSIS PARTS. Date 21.9.31. Box X No. 7005 7250 Drawing LeC. No. 2931. Part List A Scrap and replace at all costs,… | ||
| Scan057 | 'Transmigration of Chassis Parts' form detailing the fitting of a new part onto the N.2 chassis series. | ||
| View original record | TRANSMIGRATION OF CHASSIS PARTS X.1380 The number of the first chassis on which the new part will be fitted...... 51st. in N.2. Date when chassis will be handed to test......................... ----… | ||
| Scan058 | Grease damaging the rubbers used in the Phantom II radiator control. | ||
| View original record | 87250. X7005. MX. From Hs/Les. c. to BY. c. to Wor. Hs/Les.1/MA.25. 2. 32. P.II RADIATOR CONTROL. We find that the rubbers in the radiator control cups of the centre radiator mounted cars, become… | ||
| Scan059 | Series of graphs comparing engine energy distribution, power, consumption, and heat loss at different compression ratios. | ||
| View original record | Top Left Graph (Sheet 1): Title: ENERGY DIAGM 40-50 R.R COMPD RATIO 4:4 Reference: SEE SHEET 1 Y-Axis: % OF INITIAL PETROL ENERGY. X-Axis: R.P.M Legend: LOSSES THRO', -COOLING WATER., EXH. GASES,… | ||
| Scan060 | Proposing a modification to the fixing of the buffer flange on a centre-mounted radiator. | ||
| View original record | To BY. From Hs/Les. c. to Mx. c. to Wor. c. to E. 87250. Ha/Les.1/MJ.1.3.32. FIXING OF THE BUFFER FLANGE OF CENTRE MOUNTED RADIATOR. A lot of unnecessary time is being spent in the Test Dept. removing… | ||
| Scan061 | Solutions for radiator movement complaints on cars with centre-mounted radiators. | ||
| View original record | 87250. Hd. (For Depot Sheet). From Hs/Les. Hs/Les.1/MA.21.6.32. COMPLAINTS OF RADIATOR MOVEMENT WITH CENTRE MOUNTED RADIATOR, P. 2. In order to overcome complaints of radiator movement with cars… | ||
| Scan062 | Procedures for adjusting radiator movement and resolving related issues. | ||
| View original record | -2- Hs/Les.1/MA.21.6.32.Contd. If sufficient movement can not be obtained by raising the radiator in order to make the radiator satisfactory on the road, it will be necessary to remove the material… | ||
| Scan063 | Drawing and modification instructions for a Radiator Cross Member. | ||
| View original record | Hs 654 The Works are allowed to trim away the front side of the channel as shown in 'red'. The minimum dimension to be .875. If necessary the rear side should also be trimmed. 40/50. Radiator Cross… | ||
| Scan064 | Need to increase initial radiator movement on P.2 and N.2 series cars. | ||
| View original record | 87250. To By. From Hs/Les. C. to MX. E. C. to Wor. Hs/Les./KT. 21.3.32. 1457. INCREASED INITIAL RADIATOR MOVEMENT ON P.2. N.2 SERIES ONWARDS. We find that the required initial movement of the radiator… | ||
| Scan065 | Radiator movement, suggesting an alteration to the bottom tank and issuing a depot sheet for complaints. | ||
| View original record | -2- Hs/Les.S/KT.21.5.32. to slightly reduce the radiator movement. We suggest that the radiator movement be increased by altering the bottom tank of the radiator. We are issuing a depot sheet so that… | ||
| Scan066 | Persistent issue of radiator wing movement and frame jellying, and proposed solutions. | ||
| View original record | COPY. X7250. To R. From Hs. c. to Sg- Wor. c. to E. Da. c. to By. Hdy. Hs.5/MA.18.8.32. y457 P.11 RADIATOR WING MOVEMENT AND FRAME JELLYING. This complaint is always with us, in fact some of the… | ||
| Scan067 | Tests concerning the mounting of the radiator on the Phantom II engine. | ||
| View original record | Re. MOUNTING OF RADIATOR ON ENGINE PHANTOM 11. A number of tests were carried out on rough roads in France to find out the value of the radiator mounted on the engine. The tests proved that under the… | ||
| Scan068 | Standardisation of a spring fitted to the thermostat of radiator shutters. | ||
| View original record | RR 755 (10M) (19120. 13-10-31) SM. 3/7500. X7750.A Completed 14.10.32. STANDARDISATION of CHASSIS PARTS. Date 11.8.32. Description of Parts. SPRING FITTED TO THERMOSTAT OF RADIATOR SHUTTERS. Origin.… | ||
| Scan069 | Introduction of a new part for a specific chassis series test. | ||
| View original record | INDICATION OF CHASSIS PARTS The number of the first chassis on which the new part will be fitted....... O.2. Series. Date when chassis will be handed to test.............................. 11th… | ||
| Scan070 | Peculiar noise caused by the spring-loaded filler cap on radiators. | ||
| View original record | X7250. BY. from Hs/GMH. C. E. Hd. HS/GWH.4/KT.17.10.32. RADIATORS. X5250. Spring Loaded Filler Cap. We have for some time been tracing a peculiar noise when the engine was started up after standing… | ||
| Scan071 | The use of a drawn tube radiator shutter on the 20/25 and Phantom chassis. | ||
| View original record | To Hs. from E. c. Wor. Ev. X7250 E.1/HP.4.1.33. X5250 X4554 re 20/25 HP. material. We are in agreement with your recommendation to use the drawn tube type of radiator shutter on the 20/25, and we… | ||
| Scan072 | Standardisation of a soft copper washer to replace the rubber washer in the existing radiator cap. | ||
| View original record | RR 785 (10H) (30405. 21-4-32) BM. S/6352/4. X7250 COMPLETED 16.1.33 STANDARDISATION of CHASSIS PARTS. Description of Parts. SOFT COPPER WASHER EXPANDED INTO EXISTING RADIATOR CAP TO REPLACE RUBBER… | ||
| Scan073 | Form concerning the standardisation of chassis parts, detailing implementation and costs. | ||
| View original record | STANDARDISATION of CHASSIS PARTS The number of the first chassis on which the new part will be fitted... When available. Date when chassis will be handed to test.................... Cost of scrapped… | ||
| Scan074 | The trial and implementation of the Marston matrix radiator for 40/50 HP models. | ||
| View original record | To Sg. From Hs. c. to Wor. c. to By. c. to E. x7250 Hs.1/MJ.2.2.33. x7150. x4516. MARSTON MATRIX FOR 40/50 HP. RADIATOR. 19-EX. car now running in France is fitted with a radiator with Marston matrix.… | ||
| Scan075 | Technical specification and analysis of the radiator and shutters from a Morris Oxford car. | ||
| View original record | X 7250 E. from Hs/Lid, c. Wor. c. Ev. Hs/Lid.9/KT. 8.2.33. RADIATORS. Further to our Hs/Lid.7/MA.31.1.33. We attach herewith particulars of the shutters as fitted on the Morris Oxford car. In addition… | ||
| Scan076 | Blueprint detailing the specifications for Morris-Oxford radiator shutters. | ||
| View original record | MORRIS-OXFORD RADIATOR SHUTTERS SHUTTER SECTION 20 GAUGE (.036) 12 1/2° .420" .300 .040" .170 .900" SCALE 4/1 BOTTOM OF SHUTTER (PLAN) 45° SHUTTER PIVOT PIN WITH THE EXCEPTION OF THE CENTRAL RIB THE… | ||
| Scan077 | Blueprint showing the plan and side view of the top of a shutter mechanism. | ||
| View original record | TOP OF SHUTTER. SCALE 4/1., SHUTTER PIVOT, PLAN, SHUTTER OPERATING PIN, VIEW IN DIRECTION A, ROLLS-ROYCE, LTD., PRINT ROOM, FEB 8 1938, DERBY | ||
| Scan078 | Modifying the 40/50 bumper chassis radiator to increase water flow for the P.2. model. | ||
| View original record | X7250 RIC. from Hs/Les. Hs/Les.4/KT.13.2.33. 40/50 BUMPER CHASSIS RADIATOR. In order to make the film type radiator satisfactory on the P.2. it is necessary to increase the rate of flow of the water… | ||
| Scan079 | Agreement with Marstons regarding dimensional issues on Mark III radiators for the 40/50 car. | ||
| View original record | To By. from Hs/Lid. c. Wor. c. E. c. Sft. Hs/Lid.1/KT.12.7.33. MARSTON MARK III RADIATORS. 40/50. As the result of complaints from the radiator shop that the 40/50 car radiator matrices were not… | ||
| Scan080 | Confirming the use of springs with a 25 lbs load for the Centre Radiator Mounting on the Phantom II model. | ||
| View original record | To By. from Hs/Les. Hs/Les.4/KT.12.10.33. CENTRE RADIATOR MOUNTING P.II. This is to confirm our recent conversation in which we asked for springs to be used to control the radiator instead of rubbers… | ||
| Scan081 | Chasing a reply concerning radiator supplies for the 40/50 HP Long Type Chassis. | ||
| View original record | X7250 To Hs. from ROY. ROY1/MG1 5.11.33 Radiators Would you kindly let us have a reply to our Memo. dated the 31st ultimo (Ref: ROY3/MG) re Radiators for the 40/50 HP. Long Type Chassis, as further… | ||
| Scan082 | Issuing a standardisation sheet for the Marston matrix on the Long Type Phantom II chassis radiator. | ||
| View original record | To ROY. from Hs/Lid. K7280 Hs/Lid.11/KT.16.11.33. RADIATORS. ROY.1/MG.15.11.33. & ROY.3/MG.31.10.33. We are issuing a standardisation sheet for the Marston matrix on the Long Type P.II. chassis.… | ||
| Scan083 | Standardisation of the Marston Mark III Radiator Matrix. | ||
| View original record | RR 755 (SH) (52674, 16-10-33) BM. 3/262/6. X7250 Completed 19.12.33 40/50 STANDARDISATION of PARTS. Date 6.11.33 X 7250. No 7120. Drawing No. Part List Description of Parts. MARSTON MARK III RADIATOR… | ||
| Scan084 | Tests conducted to investigate and resolve water loss from a Phantom radiator. | ||
| View original record | To Hd. From Hs/GWH. X 7250 Hs/GWH.3/KW.5.3.34. c. to E. c. to By. c. to WoR. Re. Water Loss from Radiator on Phantom. In view of a customer's (Mr. H. Hill) complaint of loss of water, we have tried… | ||
| Scan085 | Test report on modifying the radiator water flow on a Phantom model to prevent water loss. | ||
| View original record | X 7250 To E. c. to Wor. c. to By. c. to Da. HS/Swdl. 24/KW. 3.5.34. Phantom Water Flow. In order to prevent loss of water in the radiator due to splashing over the overflow pipes, a restriction was… | ||
| Scan086 | Investigation into a customer complaint of water loss from a Phantom II radiator, chassis 88-MS. | ||
| View original record | Hs. c to Wor. c to Ey. GWH Ha/WT20/NW20.2.34. Re: Loss of Water in Phantom II Radiators. Chassis No.88-MS - H. Hill Esq. Mr. H. Hill the Owner of 88-MS brought his car to Derby for us to deal with his… | ||
| Scan087 | Diagram illustrating the fluid capacity levels of a radiator header tank. | ||
| View original record | INSTRUCTION BOOK LEVEL, C, 1 QUART, B, 1 QUART, A, 1 QUART, TOP OF MATRIX., .625 | ||
| Scan088 | Graph showing the effect of a pipe restriction on water flow and temperature rise across a Phantom unit engine. | ||
| View original record | Hs 1387 PHANTOM UNIT WATER FLOWS EFFECT OF .750 DIA RESTRICTION IN BOTTOM OUTLET PIPE FROM PUMP UPON FLOW AND TEMPERATURE RISE ACROSS THE ENGINE STANDARD UNRESTRICTED PIPE 1 1/8 DIA x RESTRICTED PIPE… | ||
| Scan089 | Cover page with a company date stamp. | ||
| View original record | ROLLS-ROYCE, LTD M MAY 3 1934 Derbyf. | ||
| Scan090 | Blueprint detailing a modification to a delivery bend for a water pump. | ||
| View original record | LEC.3819 ALUM. RESTRICTING PLUG TO BE PRESSED INTO POSITION AND METAL PEENED OVER TO LOCK .750 DIA MODIFICATION TO DELIVERY BEND - WATER PUMP. 40/50 P.H.R. SCALE 1/1. MScutt 22-2-34 ROLLS-ROYCE, LTD… | ||
| Scan091 | Blueprint detailing a modification to a water pump delivery bend for a 40/50 P.HP engine. | ||
| View original record | LeC.3819 ALUM. RESTRICTING PLUG TO BE PRESSED INTO POSITION AND METAL PEENED OVER TO LOCK .750 DIA MODIFICATION TO DELIVERY BEND - WATER PUMP. 40/50 P.H.P. SCALE 1/1. MBSectx 22-2-34 ROLLS-ROYCE, LTD.… | ||
| Scan092 | Standardisation of an outlet pipe from the water pump with a reduced bore. | ||
| View original record | RR 755 (SH) (S2674, 16-10-33) BM. 3/262/6. COMPLETED 21.6.34. 40/50 STANDARDISATION of PARTS. Date 29.5.34 1.5.34. X No. 7250. Drawing No. LEC. 3819. Part List Description of Parts. OUTLET PIPE FROM… | ||
| Scan093 | Proposal for standardizing a water pump pipe with a reduced bore for the 'T' series chassis, including estimated costs. | ||
| View original record | OS/20 DESIGN. [X] TESTED. [ ] ISSUE. [ ] Date. 16.5.34. STANDARDISATION OF PARTS CUTTING PIPE FROM WATER PUMP. WITH REDUCED BORE. Est. cost of extra jigs, tools and equipment. (Sft/Ws.16.5.34) £3.0.0.… | ||
| Scan094 | Analysis of the effect of altitude on the 'air temperature to boil' radiator figure. | ||
| View original record | + 7250 ANALYSIS OF EFFECT OF ALTITUDE ON STANDARD "AIR TEMP. TO BOIL" RADIATOR FIGURE. For given radiator dissipating constant amount of heat, Let To = air temp. to boil at ground level " T = " " " "… | ||
| Scan095 | Page from a report detailing formulas for calculating boiling points at various altitudes. | ||
| View original record | -2- But t₁ + T₀ = 100 ∴ t₁ = 100 - T₀ ∴ T = B - (100 - T₀) / d Hence, from this formula, for any given set of conditions the air temp. to boil at any altitude may be found, knowing the air temp. to… | ||
| Scan096 | Graph showing the variation of boiling point, air temperature, and relative air density with altitude. | ||
| View original record | VARIATION OF BOILING POINT AIR TEMP: AND RELATIVE AIR DENSITY WITH ALTITUDE BOILING POINT OF WATER. °C AIR TEMP: RELATIVE DENSITY ALTITUDE IN FT: ALTITUDE IN FEET RELATIVE AIR DENSITY AIR TEMP | ||
| Scan097 | Blank backing sheet stamped by the Print Room in Derby. | ||
| View original record | ROLLS-ROYCE, LTD PRINT ROOM 24 SEP 1934 DERBY. Q | ||
| Scan098 | Graph showing the sea level air temperatures required for boiling to occur at various altitudes. | ||
| View original record | CURVES SHOWING SEA LEVEL AIR TEMPS. FOR BOILING. TO TAKE PLACE AT GIVEN ALTITUDE. SEA LEVEL AIR TEMP °C. TO BOIL AT GIVEN ALTITUDE. ALTITUDE IN FEET. | ||
| Scan099 | Graph showing the variation of air temperature to boil and radiator figure with altitude. | ||
| View original record | VARIATION OF "AIR TEMP" TO "BOIL" RADIATOR FIGURE WITH ALTITUDE. SEA LEVEL TEMP TO BOIL - 50°C SEA LEVEL TEMP TO BOIL - 40°C SEA LEVEL AIR TEMP TO BOIL 30°C AIR TEMP ALTITUDE - FT. °C. | ||
| Scan100 | The reverse of a document showing a Print Room date stamp. | ||
| View original record | ROLLS-ROYCE, LTD PRINT ROOM 24 SEP 1934 DERBY. | ||
| Scan101 | The capacities of various car cooling systems. | ||
| View original record | x7250 26.9.34. Capacities of Various Car Cooling Systems. (1) Present Standard Phantom II :- (Radiator & fittings - LOP.E.81407) Water capacity of complete system - 5 galls 5 pts. " " " radiator - 3 "… | ||
| Scan102 | From Bombay concerning corrosion of aluminium parts on the Phantom II model due to chlorinated water. | ||
| View original record | x7250 BY AIR MAIL. Hd. Derby. Copy to By. Derby. Copy to Hs. Derby. Copy to Tr. London. Bombay, NRC.18/S.12.12.34. RE: CORROSION OF ALUMINIUM PARTS - PHANTOM II. We have recently had two cases of the… | ||
| Scan103 | Letter concerning the corrosion of aluminium water connections on the Phantom II model, advising on replacements. | ||
| View original record | NRC......Bombay. c to BY. c to Hs. c to TT. c to D/BP. K7250 Hd/SB17/HR.28.12.34. Dictated 27.12.34. BY AIR MAIL. re CORROSION OF ALUMINIUM WATER CONNECTIONS. PHANTOM II. Referring to your… | ||
| Scan104 | Rust caused by radiator overflow on a Phantom II, suggesting a flexible pipe to drain water away from the chassis. | ||
| View original record | F C.Hs Rm x7250 EP18/MH.1.2.35 re PHANTOM II - RADIATOR OVERFLOW PIPES In testing and inspecting our London Trials car 21-RY I noticed that the front engine tray, and all the parts adjacent to same,… | ||