Twinstar 2 Heavy Duty Motor Mount

I abolutly love the Multiplex Twinstar2 RC plane. I'm not a a fan of the underpowered motors that come out of the box. And I the stock motor mounts leave a bit to be desired when upgrading the motors.

So I designed my own mount. Attached is version 5.2. with many improvements over the original v4's I posted last year. Mainly the much stronger front plane and side walls.

Setup for 10mm bolt hole pattern.
I've tested with hobbypartz Exceed RC Rocket 2220-1500KV Brushless Motor but any of