Hangar 9 Alpha Trainer Assembly Manual page 31

Section 13: Installing the Spinner
Step 6
Using an adjustable wrench, tighten the prop nut while holding
the propeller in place.
Warning: The propeller must be securely tightened before
attempting to run your evolution engine. Be sure to check
the security of the propeller before each flying session.
Note: The propeller must be positioned to allow the
spinner cone to fit into the slots in the back plate. Test fit
the spinner cone before attempting to install the self-
tapping screws of the spinner.
and Propeller
Step 7
Using a Phillips head screwdriver, secure the spinner cone in
place with the three self-tapping screws provided.
Continued
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