Appearance As picture (see 500cc model for left-hand side view)
Engine - Two-port OHV design, 74mm bore x 81mm stroke having a capacity of 348 c.c. Aluminium piston.
Carburettor - Amal T.T type with down draught and straight induction, twist grip control and separate air levers on Amal 'clean bar' type handlebar.
Magneto - Spigot mounted and chain driven.
Petrol Tank - 2 3/4 gallons capacity. Enamelled and lined. Inserted rectangular instrument panel.
Front Forks - Girder type of Druid manufacture.
Transmission - Chain to primary drive, enclosed in an oilbath gearcase with oil feed to primary and dynamo chains.
Gearbox - Burman four-speed, enclosed foot change or hand change option.
Wheels - 7inch internally expanding brakes.
Tyres - 26in. x 3.25in Goodyear.
Electrics - Miller 6v coil ignition or separate dynamo and magneto as required. 8 inch Miller headlight.
Front and rear stands, Terry heavyweight saddle.
Finished in Calthorpe Ivory or ebony black at option, and lined to suit the colour.
Trip or Non-Trip Speedomater built into front wheel and mounted on front forks.
Specially tuned Racing Engine with optional Upswept Exhaust Pipes at request.
First year of having valve guides/springs and rockers totally enclosed and lubricated by oil directly from engine.
Red versions appear.
Additional Information - (Available to members in downloads section)
- Road Test for 500cc model as published in Motor Cycling magazine (Dec 11th, 1935).
- Complete 1936 sales brochure.
- Estimate production and known surviving machine figures.
- 1936 Ivory Calthorpe sales brochure.