RC helicopter blade balancing
There is some
confusion, for those new to helicopters, over how to
properly balance the main rotor blades. The following is
a proven method of doing so.
As shown above, use the balancer to determine
which blade is heaver - mark this blade in some manner.
Place the heavy blade on the forks of the
balance and shift it one way or the other until it
remains horizontal. Mark the point on the rotor blade at
which the blade balance indicator points (this is the CG
Place the rotor blades side by side and mark
the CG point on the lighter blade.
Place the lighter blade on the balance with
the indicator in line with the marked CG point. Apply
film to the lighter end until the rotor blade balances
Mount both blades on the balancer and apply
tape to the lighter blade AT THE CG POINT ONLY.