Just My 2cts on engine angle. Mine has over 100 flights 10 minutes each. Ram 500, Yellow aircraft Ram 500 engine mount. tail cone thrust approx 1 degree downward. 40 oz dubro tank rear, 50 oz dubro tank in front. with uat on top laying down. standard recommended cg. 10 minute flights with plenty left for a couple of go arounds if needed. Hope this helps anyone who has questions
