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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).
Status update on design drawings for the Kestrel and Goshawk engines.

Identifier  ExFiles\Box 30\4\  Scan228
Date  14th July 1934
  
- 3 - BY.1/G.14.7.34.

"KESTREL" ENGINE.

DES.2213 Strengthened Crankcase .................. Recd. 11.6.34.
Detail drawings completed and issued ....... 21.6.34.

DES.2218 Modn. to Crankcase ...................... Recd. 21.6.34.
Detail drawings completed and issued ....... 25.6.34.

DES.2221 Separated Scavenge Pumps, fitted to existing
lower half crankcase ..................... Recd. 27.6.34.
Detail drawings completed and issued ........ 13.7.34.

LeC.3916 4-Valve Ramp Head - Modified Camshaft Drive ... Recd. 10.5.34.
Detail drawings completed and issued ....... 16.6.34.

LeC.3985 Worm Gear Camshaft Drive - Steep Angle Penthouse
H.D. ................................. Recd. 15.6.34.
Detail drawings are in hand.

"GOSHAWK" ENGINE.

DES.2134 2-Speed Supercharger ........................ Recd. 23.3.34.
Detail drawings completed and issued ....... 9.6.34.

DES.2168 Hand Starter Striking Mechanism - 2 Speed Supercharger.
....................................... Recd. 14.4.34.
Detail drawings completed and issued ....... 6.6.34.

DES.2172 Lubrication to Spherical Coupling Red. Gear
.477 Ratio and Shaft to drive to Propeller .... Recd. 9.6.34.
Detail drawings completed and issued ....... 7.7.34.

DES.2196 Hand Starter Modfn. 2 Speed Supercharger ..... Recd. 17.5.34.
Detail drawings are in hand.

DES.2204 Reduction Gear .477 Ratio & Shaft Drive to
Propeller ............................ Recd. 9.6.34.
Detail drawings completed and issued ........ 7.7.34.

DES.2205 Front Box for .477 Ratio Shaft Drive to Prop'r.{Sir Henry Royce} Recd. 9.6.34.
Detail drawings completed and issued ....... 7.7.34.

DES.2215 Reduction Gear Oil Feed ...................... Recd. 14.6.34.
Detail drawings will be put in hand as soon as
possible.
  
  


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