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 Terrot - HCP 4-bearing Works Bike
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Terrot D2-492-02-05
Photo ou archives :
205

Capacity : 350
Model : HCP 4-bearing Works Bike
Production : 1932 - 1935
Category : (R) Racing
   

TERROT

350 HCP - 1936

A great French racer

Terrot of Dijon was one of the pioneers of the French motorcycle industry. By the mid-Thirties, it had become France's leading manufacturer, selling 200,000 bikes after the end of World War II.

Competition Models

A full competition program was undertaken to boost the company's image in that golden age for the two-wheeler. The well-known French rider Padovani, a one-time winner of the French Grand Prix, was appointed head of the research department. In the company's wide range of choices, Terrot offered a series of "customer competition" models under the "CP" designation.

Most Popular French Cycle

These were available at moderate prices (for instance, the 1937 350 HCP cost just 11 percent more than the normal road-going sports 350). Terrot became the most popular French competition name in the 250, 350, and 500cc categories. Although Terrot didn't enjoy the international success of British bikes like Norton or Velocette, the Dijon firm added 13 French championships to its trophy case. For the works racers, built in very limited numbers, Terrot solved certain technical problems associated with high engine speeds – like cast-iron flywheels that burst! – by adding first one, then two extra main bearings to stiffen the crank. Rarely used on the 500cc and infrequently adopted on the 250, this technique was used mainly on the Terrot 350cc engine.

SPECIFICATIONS

Engine: 346cc (70x90mm) single-cylinder four-stroke

Power output: 30 hp @ 6000 rpm

Valves: overhead valves with hairpin valve springs

Fuel system: Twin-choke Amal carburetor for petrol, benzole or alcohol

Transmission: 4-speed gearbox; chain final drive

Suspension: (front) girder fork

Brakes: (rear) rigid

Wheels: wire

Weight: 220 lb

Maximum speed: 95 mph

Ridden by the Spaniard Manuel Simo, this 350cc HCP Terrot raced in the 1937 junior TT. Simo competed on 250 and 350cc Terrots.





Motorcycle encyclopedia Moto Passion, realised by François-Marie Dumas, include almost 2000 photos presented with an exhaustive history of the motorcycles exhibited.

This unique collection has been realised with the participation of many specialists. With many thanks in particular to Yves Campion, Michael Dregni, Didier Ganneau, Jean Goyard, Helmut Krackowizer, Michel Montange, Christian Rey, Bernard Salvat, Mick Woollett, etc

One can order here

  • Original cards on paper (in french)
  • High resolution scans or original documents presented and signed with my name.

Please contact me at info@moto-collection.org for conditions and copyright.




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