I like the crane aspect of the Wilesco. but the way they incorporate it relies on the steering to always be straight, I think it needs to be mounted to the chassis.
I believe the hand wheel gives up/down and the steering gives left/right operation of the crane...they may have built real cranes like this but I am no crane expert.
The (2) support chains are mounted to the Chassis while the base of the crane is mounted to the front wheel axle, an inexpensive but not well thought out design.
Also never been a fan of the Mamod TE. I find the drive band going around the actual drive wheel & unrealistic scale speed to be off putting IMHO.
My apologies Bruce, I did not look at the crane design close enough!
It looks like they mounted the boom support chains high on the chassis, then added soft springs in the chains as a band-aid for the poor design....the springs are likely soft enough to allow the steering to overcome them....but then you must not lift anything more heavy than bale of feathers or boom would droop. I suppose 2 upright mounts with chain hooks off the axle then get rid of springs would "save" the design but may not be worth it.
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