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Sukhoi SU-26 MX build

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Sukhoi SU-26 MX build

Old 04-26-2012, 11:43 AM
  #926  
raydar
 
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Default RE: Sukhoi SU-26 MX build

All good info boys. My intentionswere to set the dle 30 so the hub is at the stock position also, the first picture in post 355 shows myself having a look to see how far back the dle 30 carb goes into the firewall, nice to get some info that shows that this plane can balance without a pound of lead in this position.

Bigal126 thats some nice work there, I had looked at your build a few months ago and was impressed with the wing conversion and modded tail, minewillbe built more to plan with just the odd easy modification for performance, ifits to much work to deviate from plan then I probably wont.How much extra tail surface did you add and was it needed? I just built my elevators and added 1/2 inchto them, looks like plenty control surface for a 30cc size model.
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Old 04-26-2012, 12:46 PM
  #927  
bigal126
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Default RE: Sukhoi SU-26 MX build

I added 1/2" to the elevators also. I think I added about 3/4" to the rudder. With the 78" wing span (split wings) I decided to make all the surfaces slightly larger in order to keep things closer to the original proportions. All I can say is that the plane flies awesome, has a roll rate that's really too much for me and the plane can do moderate 3D (at least my friend can 3D it). Pop tops are very good too. The rudder has plenty of authority and the plane flies very straight with just a little rudder coupling. I did however drop the stablizer down. It sits under the top of the fuse (in the cut out area) which I think may have made the flying characteristics a little more neutral.

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