# 3.1. UAV assembling

3.1.1. Connect VTOL arms and ailerons according to the corresponding hole position, and tighten it with the provided screws. Each aileron have one short and one long screws.

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3.1.2. Insert the main carbon tube into the fuselage through the middle hole. After that assemble the ailerons and make sure the spring button have pop-up.

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3.1.3. Assemble the tails and make sure the spring button have pop-up.

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