"With a strong 22 hp OHV (Overhead Valve) one cylinder motor Opel intended to accelerate the vehicle up to approximately 120 km/h (75 mph). Then, the six powder rockets attached to the rear fender (3 mounted on each side) with a combined total of 30 kg (66 lb) of thrust would gradually ignite with the help of a foot lever mechanism."
http://strangevehicles.greyfalcon.us...20MOTORRAD.htm
http://strangevehicles.greyfalcon.us...20MOTORRAD.htm
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