Dual Tensioner
Tensioner on the opposite side solved the issue of drive slippage... due to "eyeing" it... its a little tight but solved the issue of slippage... I will do the second wheel a little looser and send back to Frank for design updates.
Bored a hole into the side of the drive mount and took a 1/4" - 20 X 1" machine screw and drilled a hole "eyeing it" offset from the main shaft hole on the opposite side. the above photo shows me drilling in the screw...
I took a left over 1/2" spacer that was leftover parts from the Razor Scooter pieces for the motor... it allows enough clearance between the outer wall and the wheel to protect the screw as the chain rubs against it.
Fitting the spacer onto the screw as I drive it into the frame... it pushes down the opposite side snug... should have gone a bit higher in placement, probably could have matched elevation of the drive hub.
Put the opposite side tensioner back in removing all access slack on the chain now. The chain is very snug and pulls correctly both directions across the drive hub... no slippage VIOLA!
Top view showing the chain without any slippage as well as the screw completely in
Yes another view of the screw and the spacer inside the mount
Another view of the screw sit into the mount and space installed along with tensioner. The chain is nice and slack free...
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