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Spitfire arf 95" phoenix assembly

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Spitfire arf 95" phoenix assembly

Old 01-10-2020, 09:29 PM
  #226  
Flyfast1
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Originally Posted by HiCurrent View Post
Thank you for the response. Does it pitch up or down. My full flaps currently setup at almost 40 degrees
I don't recall, but will check and post an answer by Sunday.

-Ed B.
Old 01-11-2020, 08:37 AM
  #227  
Flyfast1
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Originally Posted by Flyfast1 View Post
I don't recall, but will check and post an answer by Sunday.

-Ed B.
This morning I confirmed that mine pitched down when flaps were deployed. My mix is +2% on a Futaba 12FG, meaning that when flaps are deployed, the elevators move up slightly. I also used the spool in feature so that the elevators do not simply pop up, but instead slowly move up. This prevents any visible change in pitch while the plane is flying.

If yours reacts the same way as mine, it is nothing to be concerned about. You'll be able to add a few clicks of up elevator to compensate for the pitch change. Also note that this will change if you add or remove ballast from the front of the plane. I think I started with around 12 ounces of lead in front and ended up with approximately 24 ounces (1.5 lbs). The plane flew fine with 12 ounces, but for me flies better with a little more weight because it penetrates and turns better.

When is your maiden?

-Ed B.
Old 01-11-2020, 03:04 PM
  #228  
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I already had 2 flights with it, but have not tried flaps. Tomorrow, I'm going to try the flaps. Thanks for the information.
Old 01-12-2020, 07:35 AM
  #229  
mogman
 
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I've just finished assembling mine.
I'm going electric on this one, Rotomax 50cc and 12S 8000 battery and a separate rx 2500 life.
I have a Ghecko 150a esc with no bec.

With the big batteries I still had to add about 8 oz to balance slightly nose down. which I can add or remove after the first few flights.

On the bathroom scales it comes out at 25 1/2 lbs.

I'll have to wait until winter is over before the first flight(s)

Dave.

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