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Braking distances for different brake configurations.


Identifier  ExFiles\Box 22\2\  Scan027
Date  5th November 1923
  
R.R. 493A.(40 H) (SL 42 12-7-23). J.H. D. {John DeLooze - Company Secretary}

EXPERIMENTAL REPORT.

Expl. No. 4609

REF: Hs {Lord Ernest Hives - Chair} 4/LG5.11.23.

BRAKING.

BOTH BRAKES.
20 m.p.h. 35.25 ft.
30 m.p.h. 75 "
40 m.p.h. 148 "

REAR BRAKING ONLY.
20 m.p.h. 44 ft.
30 m.p.h. 99 ft.
40 m.p.h. 189 ft.

FOOT BRAKE ONLY - GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II.
20 m.p.h. 37.1 ft.
30 m.p.h. 97 "
40 m.p.h. 170 "

FRONT BRAKES ONLY.
20 m.p.h. 52 ft.
30 m.p.h. 127.5 "
40 m.p.h. 272 "

-------------------

Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer}
  
  
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).


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