My Extra is scheduled to arrive on Thursday. Hopefully, the big brown truck will have it here on time and in one piece.

I have a couple of questions.

What is the length of the stand-offs used for the DA 50 when installing the motor on this model?

I plan on running 5955's on all the control surfaces. Is a one inch servo arm acceptable for all the surfaces (except for the rudder)? Or should the servo arm be longer? Plan to use this for IMAC and 3D.

For the rudder, should I use a 3 inch straight servo arm for pull/pull or should the rudder be mounted in the tail for this model?

I want to use the a lightest and most efficent muffler there is for this model, which one should I use on the DA 50?

What is the lightest redundant battery system available?

All comments welcome


Thanks

Chuck.