Never thought about the half crank and full.crank issue but Max has to be right At least a kg less spinning mass Norm I think you need to find more weight
Not sure about a tow ball . Might drag on the ground.
Ours with the side ways mount is just like a normal PT in the position of the pull cord but it is heavier to pull I'll keep looking for a later model Looks like any with the rounded cowl would be OK
They seem to be getting more expensive around here.
