ORIGINAL: mr_matt
ORIGINAL: olnico
Here we have a pivot point that is slightly on the unstable side. I believe that it will be fine provided that you guys make sure that THERE IS NO SLOP IN THE CONTROL.
But Oli with all respect, in this day in age of 400 ounce servos, why cut it so close? Move to 18% MAC and never have a worry and only increase the servo load maybe 15% (a guess)
What do you think?
Matt also keep in mind the AMA requirements:
http://www.modelaircraft.org/files/520-a.pdf page 3
Min torque = 6 x surface x servo arm/control arm
On a setup like the one recommended by FEJ ( which is wrong once again ) servo arm = control arm. so the formula becomes Min torque = 6 x surface ( in sq in )
You get over 1000 oz-in with a 1/7th scale F-18F and close to 2000 oz-in with the 1/6th scale F-18F...
Using a program to demonstrate a finer simulation could save people from an impossible requirement and impossibility to get the plane signed off.