October 29, 2008
GAS SKATEBOARD VS ELECTRIC SKATEBOARD
ACTING SECOND LT. KRAIRERK SEWANA (Inventor) Patent Number 23257 (Thailand) Claims 1. The four strokes gasoline engine skate board with, single cylinder, ventilated by air, DHV valves systems, middle crosswise mounted engine between both front rollers and rear rollers, transmits drive by chains, 2 gearing ratio, chain gearing system, acceleration by twist the left foot counter clockwise dir…
| Comments(0) |





