More question caused by the non existing building instructions.

Is the engine installed with right and down drag or right and up drag?

Can I use cyanohinges instead of the supplied plastic hinges? Will they be strong enough?

Also, I understand of the pictures in this forum and on the ZN web that it is used one two servos on elevator (one for each side) Are they linked together with a Y-cable or what is the solution. Mixing on radio?