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Dynaflite Decathlon CG queston?? - 11/22/2012 5:14 AM   
flyathome


 

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From: Banning, CA, USA
Status: offline 		I am just finishing my Dynaflite Decathlon. I am questioning the CG location. It seems to me
it is very far forward. (nose heavy) I have mine balanced at the rear limit of the CG shown on the plans.
I would like to hear from other builders as to their experience with the CG on their plane.

Thanks,

Steve

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RE: Dynaflite Decathlon CG queston?? - 11/22/2012 8:23 AM   
beepee


 

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From: Moscow, RUSSIA
Status: offline 		I am no expert at analyzing design CG locations. I flew mine as recommended and it did fine. I did have a problem with the airframe being tail heavy.

Bedford

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RE: Dynaflite Decathlon CG queston?? - 11/22/2012 1:57 PM   
karolh


 

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From: Mandeville, JAMAICA
Status: offline 		I would suggest that you first fly the model using the forward or mid location of the reconmmended CG range and then adjust the CG to suit your flying style.

Karol

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RE: Dynaflite Decathlon CG queston?? - 11/22/2012 2:01 PM   
RCVFR


 

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From: Keller, TX, USA
Status: offline 		I flew mine at the recommended balance and later gradually moved back a bit to where I liked it.


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RE: Dynaflite Decathlon CG queston?? - 11/22/2012 2:29 PM   
ronwc



Posts: 393
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From: LARGO, FL, USA
Status: offline 		I have one of the Decathlons, great flying plane. Don't remember where the recommended CG was, but I usually balance my planes on the spar and after a few flights, go back from there. Not exactly sure where I have the Decathlon now, but I will check it next time i fly it. Many of my planes are behind the recommended CG and fly the way I like, stable in normal flight but snappy when I want them to be. I even had the twin J-3 below doing snap rolls -



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RE: Dynaflite Decathlon CG queston?? - 11/22/2012 2:46 PM   
Lnewqban



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From: South Florida, USA
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quote:

ORIGINAL: flyathome
......I am questioning the CG location. It seems to me
it is very far forward.....

What makes you think so, Steve?

Note:
You must check the balance point with all components installed in the model and the fuel tank empty.

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RE: Dynaflite Decathlon CG queston?? - 11/28/2012 10:23 PM   
jp1961


 

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From: metamora, MI, USA
Status: offline 		Steve,

You didn't say what type of engine you used for your D.F. Decathlon. I used a
Super Tiger 2300, with the 3 tail servo's under the wing. It still came out tail
heavy and had to add 6oz of lead to the nose. A gas engine would have been
a better choice. I no longer fly it due to the 2300 being extremely unreliable.

Jeff

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