ORIGINAL: vancouverman
Ed:
So when you mount the servo how do you reinforce the area that you screw the servo into? You said you glue in some light ply....does this meen that you make a cut exactly the size that you need for the servo then somehow insert the ply through the hole you made and glue it? I wish I could see your plane or pictures of it without the servo installed so I can see how you it was reinforced.
I know that would be a pain in the butt.
Jay
We learn stuff by watching. Sometimes we do, anyway. So next time you're at the field, look at some of the repositioned servos. Or any servo that's mounted aft in the fuselage. Need a quicker idea on how to do it? Swing by the LHS and inspect some of the things hanging from the ceiling. Or ask to look in a kit. Or ask the people who work there.
Another way to work out the problem is to look at your own model. See the hole where the servo would go normally? That's the size hole your plywood is going to need. Look then at where you want that ply to go. It will have to reach something to glue to. That's how big the plate will need to be. Cut it out that big and cut that size hole in it. It's bigger than the hole you're going to have to cut into the fuselage? Try to fit it through and you'll see that it's not really too hard to do at all.
The fuselage may be solid sided. It may be sticks. The servo plate just needs to overlap enough to glue. With a solid side, you cut whatever size hole works with whatever size plate the servo needs.
With quality LitePly, you won't need extra reinforcement. You discover if it's quality ply when you cut it. If it stays together and doesn't have any voids hidden by the veneer (good luck) it'll stand up without reinforcement. Good ply won't need reinforcement.