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Roger,
29 lbs seems pretty heavy. Its been a long time since I did that design and I havent had one for quite a while so I dont remember the exact weights. In fact the last time I flew the one I had was the same day we shot the photo in Rcheliman's avitar and thats been hmmmm, probably 5 years or so.
What do you have in your for batteries etc?
I believe mine was in the neighborhood of 24 to 25lbs with a ZDZ 80 nd about 2.5lbs of weight in the front of the cowl. That was with rudder on pull-pull (I think) and one battery pack on the rx.
The new SU-26 comes out a LOT lighter, more in the 21 to 23 lb range. 23lbs seems unrealistic for the SU-31 though, but 29 seems very heavy too. |
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I have Lipos, 1800 for ignition in the engine compartment, 850 lipo for the receiver, and 2500 lipo for the servos, even my servos are light they are 77 oz Multiplex.
I have a Hitec 5995 in the middle of the airplane for pull/pull on rudder
The engine is a single cylinder EVO 80 about the same weight as the ZDZ.
I have even put the engine 1/2 inch further forward to help but still a whole lot of weight in the nose and I mean right on the side of the engine where it mounts..
I am using an electronic fish scale . unless the scale is wrong.
Roger