Bill Klein’s Mobile Crane
Bill Klein writes: The crane is powered with 2 A49 motors. One motor drives it forward and back. The other motor runs the bucket. It features treads from a 12 1/2 set. A heavy duty trailer and truck move it from place to place.
Bill Klein’s Panama Canal Crane
Bill Klein writes: The crane uses lots of type I parts. It runs on tracks. The gantry car travels back and forth on a track near the top. It is all hand powered. Two hand built winches more the crane back and forth on its tracks.