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Cooling is important! Motor, speed controller and battery<br />
all need good ventilation. In addition to these air inlets,<br />
there are air outlets. The Spirit fuselage has an opening<br />
at the aft end that allows air to flow out. The top rear<br />
end of the canopy was also trimmed so that there is an<br />
opening between the canopy and the wing to suck air<br />
out in flight.<br />
Below: Skid made of two Japanese bamboo chopsticks<br />
side by side. It prevents nosing in on landing and acts<br />
as a fuselage reinforcement. The smaller third piece was<br />
added after field tests. Skid reinforcement is 123mm<br />
from cut nose.<br />
Below right: Tail skid made of two pieces cut from<br />
chopsticks.<br />
36 R/C Soaring Digest
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