1921 3 h.p. "Calthorpe Combination"

1921 combination

Appearance As picture

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Engine - 3 h.p. PECO, 75 mm. bore x 79 mm. stroke having a capacity of 350 c.c. Two stroke of the three port type. Hoffman roller main bearings and crank pin.

Carburetter - B. & B., two-lever.

Ignition - M.L. Mag-Dyno with fixed ignition and accumulator. Set of three lamps.

Tank - 1 ¾ gallons petrol, 1 quart oil.

Lubrication - "Patent and perfect system" (No oil mixed with petrol), through a sight drip feed Lubricator.

Transmission - Sturmey Archer Two-Speed Countershaft, with clutch and kick starter, ⅞ Dunlop belt.

Frame - Weldless steel tubing, all vital parts reinforced, Patent Girder forks.

Brakes - External contracting band brake. Farodolined, operated by heel pedal to rear wheel. Powerful Bowden Rim Brake to front wheel.

Wheels - 26in. x 2in. Dunlop Beaded Edge Studded Tyres, heavily plated steel rims with coloured centres, oil retaining dust and weather proof hubs.

Standard Fittings - Rear stand, strong wide mudguards, tools in locker in sidecar.

Saddle - Patent Pan Seat of large dimensions, and combined with patent oil controlled, Spring saddle pillar.

Finished in four coats of lustre enamel and all bright parts heavily plated, tank enamelled Red and lined Black.




New "registered designed" shaped tank.

Additional Information - (Available to members in downloads section)

  • 1921 Sales Brochure, Enfield gear information and spare parts list.


  • 1921 Sales Brochure.