Elite Models Acrocub Instruction Manual page 26

After the rod has been securely fastened to the wood
support, use some CA to secure the string.
Secure the wheel axel holder at the end of the landing
gear support piece. The holder should be angled so
that the wheel block and foam wheel are in the right
direction after installation.
Locate the wheel block.
Install the wheel block. Secure it with the glue.
Install the foam wheel. Secure it with the wood nut.
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