Step 5: Second Chain Assembly.
Cut the rear tubing from a child’s bike and mount it on the hinged platform as in photo 5. The perforated strap in the photo was not needed. The white wire is there to pull the gear into alignment.
The two hinges are under the platform, out of sight. The weight of the motor assembly was not sufficient to keep the chain tight. The straps are a failed attempt to fix that. I ended up using a 1x2 to wedge the frame tight. This wedge board is visible in Photo 2.
The two hinges are under the platform, out of sight. The weight of the motor assembly was not sufficient to keep the chain tight. The straps are a failed attempt to fix that. I ended up using a 1x2 to wedge the frame tight. This wedge board is visible in Photo 2.
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