aligning all the major rotating parts is crucial to a helicopters
stability.
once you have perfectly aligned everything, you will have no
worries with hovering.
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ALIGNMENT
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looking infront the heli, the stabilizer rod should
be horizontal at starting position. any angle to the
side will produce vibration
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on top the main prop should be straight and a 90degree
with stabilizer. any misalignment to main prop can cause
heli to wobble. |
at side view, the stabilizer wing should have a 5degree
angle of attack.this amplifies lift and reduces vibration |
notice that stabilizer wing has a 5degree angle of attack
at front view. |
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TRIMMING THE HELI TO A BALANCE
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to trim and level heli, hold it firm and tight near
the rear main gear area to suspend heli with skid 1/4
of an inch from a table surface and start adding throttle. |
a balanced heli will look like this with just minor
sways. |
it adding throttle and your heli sways to the left,
just adjust trim a few notches to the right until heli
levels. |
if heli sways to the right, just adjust trim a few notches
to the left intil you get correct balance. |
if heli moves forward, adjust a bit to back trim |
if heli moves a bit to the back, adjust trim favorable
to the front. until you get a blance heli |
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ADDITIONAL TIPS
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install a bead or pellet to the tip of the tail rod
so that tail slides easily on rough terrain. of course
i dont advise flying on a rough surface. |
permanently mount or use a super glue to fix the tail
bearing. tail bearing flies of when tail hits a hard
surface. |
when tail prop is too close to the tail bar, posibility
is tail prop will continue to hit the tail support bar
during steering.
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to solve this flaw, flip the tail rotor gear so when
it touches the gear of tail motor it is just on the
tip of motor gear without the gap, this increases distance
between prop and tailbar. |
the length o my stabilizer rod reduced when it broke
during a crash - i removed the weights and noticed the
heli was more controllable |
i used a dismantled old motors carbon and brushes to
repair the tail motor. - latest advise - buy a new one
if you need to!
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i replaced the carbon fiber support rod into same thickness
galvanized iron wire for tougher landing.
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FUSELAGE INSTALLED
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