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).
Daily report on the track testing of a Paulin Bentley II vehicle at Montlhéry.
Identifier | ExFiles\Box 160\3\ scan0176 | |
Date | 10th February 1939 | |
1379 To. Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/GR.{George Ratcliffe} Levallois. Rm{William Robotham - Chief Engineer}/GR.{George Ratcliffe}3/JAB.10.2.39 DAILY REPORT. Paulin Bentley II. B-27-LE. Montlhéry. Smooth tread track racing tyres 6.50 x 19" fitted to rear wheels at 3.300 kgs. or 46 lbs/sq". 2nd air vent and baffle made and fitted to centre of sump louvers. Track conditions Dry. Barometer 763 Wind 3 to 5 meters per sec. Air Temp. 9°c 1st Test. Cold air to silencer. LM.8 needles. Cut-out plate off. Best lap speed 174.404 KPH. Oil Temp. 117°c (6laps) 108.423 MPH. Water " 75°c Total 16 laps. 3 Voluntary stops. Max. 3400 r.p.m. 2nd Test. As first but with LM.9 needles. (weaker) Best lap speed 174.404 KPH. 108.423 MPH. 2 laps. 7 laps completed. 3rd Test. As 2nd, tyres changed for 6.00 x 19" same type and pressures. Best lap speed 174.404 KPH. Oil Temp 120°c (3 laps) 108.423 MPH. Water " 76°c 8 laps completed. Max. 3500 r.p.m. Cold air at pressure in front to be taken from centre lamp position and carried through metal flexible pipe to front centre o of air silencer. Two arrangements have been made, one being funnel shape and the other a replica of S.C.D.863 nozzle. ------------------ Rm{William Robotham - Chief Engineer}/GR.{George Ratcliffe} [Signature] | ||