GMAIR - I agree with you. This is what I'm doing. Keep the weight down - you should be able to locate everything in the fuse that you don't have to add any weight. I'm using the stock Robart air can that comes in the air kit, and that's up front. The battery (Venom 6v 1800, I think) is also as far forward as it can go.

The OS 55AX on it's first gallon (15%) flew fine. I then switched to 30% heli fuel, and NICE improvement in performance...now I've ordered 2 different pipes to play around with - but I agree with you - the extra weight of the .75 and extra horsies is a waste if you can't prop it right. Let me know how it goes.

Thanks,
Mark