1914 "Calthorpe" 3 ½ h.p. Standard Touring Model

Appearance As picture

 

Specification

Engine - 3 ½ h.p. single cylinder Precision, 85 mm. bore x 88 mm. stroke having a capacity of 500 c.c., mechanically operated valves.

Carburetter - Improved 1914 senspray.

Ignition - Bosch high tension magneto, chain driven, in water and dust-proof case. Handle bar control.

Tank - Petrol capacity 1 ¼ gallons and 1 quart oil, Best and Loyd sight-feed lubrication, combined patent petrol gauge and strainer, screw filler caps.

Transmission - Dunlop belt driven on variable pulley, 19in. belt rim.

Frame - Weldless steel tube, Druid spring forks.

Brakes - Rear acting on belt rim operated by foot pedal, Bowden front brake operated buy inverted lever with patent magneto cut-out before brake shoes come into contact with rim.

Wheels - 26 x 2 ¼, Michelin tyres heavily plated steel rims with black centers and red lines, oil-retaining dust-proof hubs.

Standard Fittings - Front and rear stands, tubular carrier with pannier tool bags, side-splash mudguards on front, pan seat. 

Finished with patent anti-rust treatment, enamelled in four coats of lustre enamel, and lined green and gold. The tank aluminium, lined and panelled to match.

 

Extras

Calthorpe two-speed gear and free engine.

Armstrong three-speed hub.

Coach body built Side-Car.

Wind screen.

Notes

Additional Information - (Available to members in downloads section)

• 1914 Sales Brochure and parts list.
• Advertisements as published in 1914.
• The Motor Cycle. Nov. 20th 1913 - 1914 Precision Engine article.

 Sources

• 1914 Sales Brochure