Sinclair C5 - Design Problems

Design Problems

The C5 suffered from problems: cold weather shortened battery life, the driver was exposed to the weather, and because it was low to the ground, doubts were raised about its safety in traffic. The problems were addressed with a second battery, side screens for bad weather and a reflector on tall poles - all available as extras from the launch. The problems were expressed in a cartoon showing a C5 and a juggernaut approaching each other at a blind corner, the C5 being occupied by lemmings. Users of recumbent tricycles and a study by the Department of Transport suggested visibility fears were largely unfounded, but the weight, lack of seat-to-pedal adjustment, lack of gears, short pedal cranks, and that the motor overheated on long hills were serious problems; indeed the motor was essentially useless for climbing hills, with even mild gradients necessitating significant pedal assistance.

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