I appreciate all the good advice. I'll get some analog standard servos to use and save the others for something else.
I followed Kens' build on the LT40 and applied many of the techniques there for setting up the control rods. Thansk Ken
I'm still debating what I will do about the throttle control. I 'm trying to avoid too many extra holes in the firewall. I'd have to enlarge the hole to use he golen rods but I don't see any disadvantage.