From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Graph of estimated power and specific fuel consumption for the 'R' engine for the Bluebird-R37.
| Identifier | ExFiles\Box 179b\2\ img011 | |
| Date | 5th October 1932 | |
| CURVE 103 'R', 'R' ENGINES, 'R' ENGINE FOR BLUEBIRD - R37, CURVES SHOWING ESTIMATED POWERS BASED ON A, POWER CURVE TAKEN ON R35-GEARED- & ACTUAL, POWER READINGS AT 2700 RPM., (1) SPRINT FUEL 300 MPH. A.S.I. - R37, (2) NORMAL FUEL 300 MPH. A.S.I. - R37, (3) NORMAL FUEL OPEN CARB. BOWL R35., S/CH GEAR RATIO. .794/1, C/BHP, Engine R.P.M., Spec. Fuel Cons. lbs/BHP/Hr., EST. BHP R37-60/40 - (1), EST. BHP R37-20/70/10 - (2), EST. BHP R35-20/70/10 - (3), Spec. Fuel Cons. R37-60/40 - (1), Spec. Fuel Cons. R37-20/70/10 - (2), SPEC. FUEL CONS. R35-20/70/10 - (3), 5.10.32 | ||