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).
Specification revision for the Peregrine No. 2 unit, detailing changes to engine components.

Identifier  ExFiles\Box 169\4\  img116
Date  4th October 1932
  
To Hs.{Lord Ernest Hives - Chair} from RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel},

RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}6/AP. 4.10.32

PEREGRINE No. 2 UNIT.

Specification of the above unit is revised as follows:-

PASSED TO TEST. 3.10.32.

Previous Specification.
Revised Specification.

Pistons LOP E-100158.
E-100035 Pistons Removed.
Pistons LOP E-100158 LeC3138
E-100525 Pistons to the above LeC. ie-skirt portion more flexible and thickness of the crown reduced.
E-100036 Piston Rings- LOP.
E-100037 " " - Scraper.

Cylinder LOP E-100082.
E-100520 Cylinder Head.
E-100062 Rocker Cover.
E-100121 Sleeves.
Removed.
Cylinder LOP E-100681 LeC 3159 6.1 Comp Ratio.
E-100578 Cylinder Head -
This Head has no Oil Return Passage to C/case as shown on LeC 3159, and is not bossed to suit Ignition Wiring, Coil and Fan Adjustment to LeC 3180, as shown on latest Drawing.
E-100585 Rocker Cover.
E-100575 Sleeves.

Valves & Fittings LOP E-100204.
E-10017 Pedistals.
E-10015 Rocker Shaft.
Removed
Valves & Fittings LOP E-100204. LeC 3159.
The following new parts fitted incorporating LeC 3159.
E-100581/2/3Rocker Shaft Pedistals.
E-100584 Rocker Shaft.

Crankshaft.
EX.8715/6 Balance Weights
EX.8739 Studs.
Removed.
Crankshaft.
Existing 2.250 dia. Journal Crankshaft EX.8704 fitted with smaller Balance Weights.
EX.9187/8 Balance Weights.
EX.9189. Studs.
  
  


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