55
7. Top view of DA-50 and final tuned pipe instal-
lation.
Note:
Additional balsa sheeting can be applied to the
underside of the radio floors to help with
proper air flow and exit. We have also used
Ultracote on the top side of the radio floors to
seal the lighting holes in the fuselage.
8.
3W-55 with tuned pipe and header installed.
Throttle Servo and Choke Installation
1.
Gather the left and right plywood throttle and
choke servo mounting trays, the throttle and
choke servos and pushrod parts as shown
below.
2 x 4-40 metal rods thread at one end
2 x 4-40 ball inks
2 x 4-40 threaded solder couplers
2 x 4-40 threaded quick links
2.
Use a 1/4” bit to drill a pushrod exit hole in the
firewall in line with the engine carburetor
throttle arm.