Engine drive for scooter

摘要: An "all terrain" scooter is provided with a large central tubular chassis having two brackets supporting platform. At the rear, frame offset to one side of for cantilevered support rear driven wheel. From this portion frame, an engine pivotally mounted on pivot arm at point from axis rotation This has protruding driving shaft overlying wheel moving into and out contact ground surface The relative line between center rotation. in direction causes increased required force. A derailleur cable rachet connection acts against both spring biasing vector precisely controls limits pivotal As consequence limited action, precise control occurs enable corresponding over propulsion.