瑞安县丽岙紧固件厂根据我省能源、道路和消费水平情况,设计试制成功电动自行车。这种电动自行车是在普通20时自行车的基础上进行改装的。在这种车的三脚架上装有一组24伏电瓶,后轮装有一只100瓦直流电动机,启动开关和电流、电压表装在自行车把手上。最高时逮可达20公里左右(与一般人力蹬车快速行驶时的车速大致相同)既 Ruian Lai Fastener Factory in accordance with the province’s energy, roads and consumer level, design and trial success of electric bicycles. This electric bike is modified on the basis of a normal 20-hour bike. A set of 24-volt batteries is mounted on the tripod of this car, a 100-watt DC motor is mounted on the rear wheel, the switch and current are activated, and the voltmeter is mounted on the bicycle handlebar. The maximum catch up to about 20 km (with the general human speed pedals when driving roughly the same speed) both