I am building an RV-7a that I put on a Plasma III and one mag. I am currently flying a Glasair III that has the Electro-Air and one mag. I have no problems flying the Glasair with the Electro-Air. During runup checks I don't experience any rpm drop (none) when just the electronic ignition side is se...

Has anyone installed the Gretz Aero (Ray Allen) servo for the elevator trim. Is this better than installing it on the elevator and having to balance with lead. Thanks for your help. Dean