Section 9: Engine Installation
25
Required Parts
• Fuselage
• Engine mount (2)
• 8-32 nylon lock nut (4)
• 8-32 blind nut (4)
• #8 washer (8)
• Engine
• 8-32 x 1
1
/
4
" socket head screw (4)
• 8-32 x 1" socket head screw (4)
Required Tools and Adhesives
• Hex Wrench: 9/64"
• Ruler
• Adjustable wrench
• 11/32" socket wrench
Step 1
Locate the engine mount and the associated
hardware.
Step 2
Temporarily install the engine to the fuselage using
four 8-32 x 1" socket head screws, four #8 washers
and four blind nuts. Leave the bolts loose enough
not to draw the blind nuts into the wood inside
the fuselage.
Hint
: You can also install the blind nuts
backwards to prevent them from pulling into
the wood on the backside of the firewall. Just
remember to move them to their correct
positioning before moving to the next section.
Note
: A pitts muffler will be required when
installing a 2-stoke engine
Step 3
Position the engine on the mount and temporarily
attach the engine using four 8-32 x 1
1
/
4
" socket head
screws, four #8 washers and four nylon lock nuts.
Step 4
Position the engine so the front of the drive washer
is 5
5
/
8
" from the firewall. Tighten the bolts holding
the engine once the engine is positioned.