Weight specifications for Dunlop Steel Artillery Wheels, Type H.2 (Goshawk).
| Identifier | ExFiles\Box 53\3\ Scan207 | |
| Date | 30th December 1926 | |
| To H.H. DUNLOP STEEL ARTILLERY WHEELS. X 4586 30.12.26. TYPE H.2.(GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine))) Weight of wheels, fitted with hub caps, but no balance weights or tyre fittings:- a) Well base wheel. 38 lbs. b) Straight-Sided wheel 50 lbs. 12 ozs. Weight of hubs, for the above wheels, complete with brake drums, ball bearings etc and all the parts necessary for their erection on an axle:- a) Front hub: 19 lbs. b) Rear hub. 38 lbs 4 ozs. J.P.Sidney | ||
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).