Rolls-Royce Archives
         « Prev  Box Series  Next »        

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).
Oil consumption test figures for chassis B121-AE owned by Capt. Barnato.

Identifier  ExFiles\Box 90\5\  scan0011
Date  18th October 1935
  
To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}

x761

Hs{Lord Ernest Hives - Chair}/FD.{Frank Dodd - Bodies}14/KW.18.10.35.

Re Chassis B121-AE. Capt. Barnato.

Herewith are the oil consumption test figures :-

1. Car as received from Repair Dept.
Oil pressure at 2,700 r.p.m.
Max. position, needle on the stop
225 M.P.G.

2. Cylinder Block and Pistons changed.
Oil pressure as in test 1.
564 M.P.G.

3. New Cylinder Block and Pistons.
Oil pressure reduced to 35 lbs.
at 2,700 r.p.m. reading 7 lbs.
at 500 r.p.m.
926 M.P.G.

Oil pressure figures -

Strong Spring - 18 lbs. at 500 r.p.m.
42 " " 2000 "

Weak Spring - 7 lbs. " 500 "
27 " " 2000 "

Tester: Brazier.
Route taken - Derby, Buxton.
Average speed - 47 M.P.H.

Hs{Lord Ernest Hives - Chair}/F.Dodd.
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙