Yes. To calculate the force if the ratio isn't 1:1, simply divide.

Approximate (more accurate when the arm is at 90deg to pushrod - torque decreases at surface end as the arm rotates away from 90deg):

Torque at surface end = servo torque * (surface arm len / servo arm len)


If you want to get an excel spreadsheet which is "the business" for this type of stuff, check out post 10 in this thread and download the spreadsheet.

http://www.rcuniverse.com/showthread...88&forumid=230]