Recommended servo size for the Wizard or Monarch CX?
Are the pico size (FMA s80) servos
strong enough for the tail surfaces?
From : Don Stackhouse
Todd, thanks for the questions. The Wizard can use HS-60's for the flaperons.
Some folks have tried the ultra-micro FMA S-80's on the flaperons, but
personally I think the jury's still out on that, I'm not sure if they have
the torque. If there is a problem, it should show up as either stripped gears
or as very short battery life (stalling from lack of torque). One possibility
I'd like to try if I can ever get enough S-80's in one place at the same time
is to split the flaperons at the poly break, and use four S-80's in the wing.
That way you could have tapered deflection for in-flight washout control, and
crow for glide path and time control, just like a 2-meter or open class ship.
The 'CX' flaperons are a bit stiffer than the Wizard's, so you need something
like a Futaba S-133 or a Hitec HS-80 on each flaperon.
The ultra-micro S-80's are fine for the ruddervators on either model.
Don Stackhouse @ DJ Aerotech
|