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OK, Today we
fitted the front bearings/plates etc to one side... I ordered some 8mm thick Aluminium
plate, and drilled some holes! Then I fitted two SF20 self aligning
bearings, a short 20mm shaft, along with some spacers. All with 12mm bolts!
Way over engineered! Onto this I fitted the sprocket (19teeth / 3/8th
chain) that transfers drive from the rear wheels/motor to the front.
Now we have all four wheels driven. |
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Same thing but
stood on the front end after I tidied up! The side plate that has the
bearings bolted into it was drilled and tapped in position with the
chain very tight. It will wear in and develop a little slack eventually,
but the whole plate can be loosened and slid forwards if required.
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A view from the
inside showing the pair of SF20 bearings and spacers... This block of 4
spacers, two bearings, and an aluminium plate took all afternoon! Looks
good and strong though. |
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A close
up! Bugger, now I have to do the other side.
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Trailer wheel,
now fitted on a turned down, and drilled and tapped ex pulley using a
"taperlock" shaft fitting, because keyways are useless for reversing
torque loadings... Ask any of those people who have all that
clunking on a powerchair. They wear and fret! Why they dont do it like
this is beyond me! |
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A view of the
modified pulley wheel, and spacers, and taperlock fitting from the
inside! |
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And finally the
wheel, chain, sprocket and everything fitted and working on only one
side. Is 3 wheels enough? |
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Another view |
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From the back!
Imagine this with a leather Recaro seat, arm rests etc. |
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