Hangar 9 35% Extra 300 ARF (3 Boxes) - Manual (Page 32)

32 35% Extra 300 ARF Assembly Manual
 4. Drill a 1/8-inch hole in the bottom left side of the
engine box. Then increase the hole by drilling a 1/4-inch
hole. Do not use the 1/4-inch drill bit without doing a smaller
hole or the wood can be cracked.
 5. Loop the vent line behind the tank then forward and
through the hole in the bottom of the motor box.
Note: Looping the vent line behind the tank will prevent
gas from siphoning through the vent line in flights and
will increase flight time.
 6. Using commercially available cord clips, route the vent
through the bottom of the engine box.
 7. The fill line connects to the T-fitting in the fuel line.