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Status update and specification list for B.80 and Bentley V engine units.


Identifier  ExFiles\Box 161a\3\  scan0238
Date  26th June 1939
  
-7-
HFS/WSC. {W. S. Cassel} 1/BA.26.6.39.

B.80 Units - contd.

No.3. On test for Development running.

No.4 Fitted in 3.B.50 Chassis.

No.5. New Unit in accordance with specification HPS {Horace Percy Smith - Experimental Factory Mgr} /WSC. {W. S. Cassel} 1/BA.5.4.39. The main items being,

1.EB.4919 Crankcase T.H. & Cylinder.
2.EB.4685 Crankshaft.
3.SCD.1043 Crankshaft Damper.
4.EB.3916 Aerolite pistons.
5.EB.4706 Cylinder Head - sloping valves.
6.EB.4719 Rocker Cover.
7.EX.33420 Exhaust Valves - solid stem.
8.EB.4482 Camshaft.
9.EX.S.1300 Wheelcase.
10.EB.3813/4 Exhaust Manifold.

No.6. New Unit in accordance with specification issued in HPS {Horace Percy Smith - Experimental Factory Mgr} /WSC. {W. S. Cassel} 1/BA.5.4.39 and HPS {Horace Percy Smith - Experimental Factory Mgr} /WSC. {W. S. Cassel} 8/BA.26.5.39. The main items being:-

1.EB.4918 Crankcase T.H. and Cylinder to suit Wilcox Rich Tappets.
2.EB.4685 Crankshaft.
3.EB.4913 Camshaft.
4.EB.4922 Tappet Body.
5.EB.4923 Exhaust Valves.
6.EW.2115 pistons - split-skirt.
7.EB.4706 Cylinder Head.
8. EB.8613/4 Exhaust Manifolds.

Bentley V Units.

No.1 - Fitted in 10.B.V.

Remarks.

Crankcase T.H.Casting is expected 26.6.39.
Crankshaft forgings promised 1st week in July.

Specification has been issued in HPS {Horace Percy Smith - Experimental Factory Mgr} /WSC. {W. S. Cassel} 8/BA.13.5.39. for the conversion of this unit to a standard B.V. at the first opportunity incorporating the following.

continued.
  
  
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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