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).
List of new and proposed car and engine models with brief technical specifications.
| Identifier | Morton\M22\ img192 | |
| Date | 4th July 1922 guessed | |
| NEW MODELS BUZZARD - 40/50 Vee 12. VULTURE 6 CYL OHV LONG STROKE 4" x 5.5" Bore & Stroke HERON 6 CYL OHV 40/50 WITH PNEUMATIC F.W.B. Air pump on camshaft, twin Servo SEAGULL - OHV 40/50 4.5"x5.5" WITH servo FWB eventually became P.I prototype, with 3 projected stages of improvement & introduction STORK . 40/50 NEV - FWB Projected with a sporting fast body drawn by E.V. GOSHAWK I 20 hp with OHC Engine/gearbox subframe with anti vibration mountings; open propshaft; parallel control links to gearbox at front of propshaft. SWALLOW 3rd LINE MODEL 12/15 hp 2-3 seater Renamed PEREGRINE ? KITE ? | ||