Extract detailing drawings for the 'Goshawk II' and 'Swallow' engine designs to be discussed with Mr. Hives.
| Identifier | ExFiles\Box 35\4\ scan 067 | |
| Date | 5th November 1921 | |
| XL4384 Extract from R1/G5.11.21. RE "GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II" AND "SWALLOW(Experimental 3rd LINE MODEL 12/15hp 2-3 seater)" DESIGNS. We are expecting Mr. Hives here on Monday to further discuss the Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) and other experimental work. We are handing to him drawings for the following. X.3501. X.4384. (5) Arrangement of starter motor in lower position permitting the aforementioned magneto location - already sent-LeC.1475. X.3579. (-) Autovac tank for ¾ gallon for Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)). X.4390. (6) Arrangement of 40/50 HP. showing carburetter on the valve side and magneto moved to the pump side, the object being to get a hot spot induction pipe, with present cylinder castings. This drawing also shews modification to water pipes to prevent cracking of soldered joints, causing leakage through expansion and deflection of crankchamber. LeC.1480. | ||
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).