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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).
Specification revision for the Peregrine II Bumper Chassis, detailing changes to springs, dampers, and pedals.

Identifier  ExFiles\Box 169\4\  img004
Date  29th September 1932
  
Bumper Chassis.
To Hs.{Lord Ernest Hives - Chair} from RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}
[REDACTED]
RHC{R. H. Coverley - Production Engineer}/W 302/MS29.9.32.

Peregrine II. Bumper Chassis.

Specification of the above is revised as follows:-

Passed to test 24.9.32.

Previous Specification
Revised Specification

Front Road Springs.
Front Road Springs.

1 set Low rated type Front springs, F.10095 600 lbs type. Removed.
New set of Low rated springs fitted to drg. F.10095, as details:-
L.H. R.H.
Piece No. F.100097 F.100097
Type 600 lbs 600 lbs
Loaded lbs. 610 lbs. 620 lbs
" camber. .25 .25
length 35" 35"
initial camber after test. 3.5 3.5

Front Shock Dampers
L.H. F.57908
Front Shock Dampers - N.S.3497.

20/25 HP. Split Piston type Dampers. Removed.
Set of Dampers ex 20/25 HP. Bump modified by incorporating N.S.3497 Conical seated valve as details:-

Ex.9002 Valve Chamber. Ex.9004 Piston.
Ex.9003 Valve. Ex.9008 Spring.
Ex.9006 Loc.Pce. Ex.9096 Modn.Oil cont.Cylinder.

Experimental "Delco" type Glands are also fitted.

Pedals to LOP. F.100276.
Pedals to LOP. F.100276 - LeC3195.

Pedal support plate anchored to engine to LeC 3195 as details:-
Ex.9351 Jaw. Ex.9352 Plate.
Ex.9353 Rod. Ex.9354 Bracket.
Ex.9349 Link. Ex.9350 Bracket.

RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}
  
  


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