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Will my homemade foamie fly??

Old 09-08-2018, 12:40 PM
  #76  
aaindthu
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I flew my RC Trainer today. But first of all, I want to thank you all very much for guiding me, for your suggestions and I sure got some motivation from you all despite my failures. I am so glad that I registered to Wattflyer.com. Here is the video of my maiden flight. Landings were a bit rough but the plane survived.




As you can see, I brought back my plane in one piece. No serious damage.
The landing gear bent backwards.
And it is a bit nose heavy. I'll fix that next time.
thank you all again !!

Last edited by aaindthu; 09-08-2018 at 04:04 PM.
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Old 09-08-2018, 04:05 PM
  #77  
Rabbitcreekok
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Nice job with the maiden flights. I can see you getting a little more stable with each flight. Once you get the CG correct, your flights will be more stable since you will not have to fight the controls to keep the plane level.


As you fly, try to keep the control movements small as possible so you don't have to recover from a wild gyration with another large movement. Smooth is best.


Also remember that altitude is your friend. At this point you should be flying about 3 mistakes high, meaning you can recover from three mistakes before you impact mother earth.


An easy to adjust the CG to the rear is to use small finishing nails in the rear of the plane. You can tape them to the fuselage until you get it correct, then poke them into the foam and hold them in with a piece of tape.



You are doing great with your perseverance of the project. Keep up the good work.
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Old 09-08-2018, 04:37 PM
  #78  
quorneng
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That is an excellent video.
Your plane certainly has more than enough thrust. It takes of in just a a couple of meters!
Being an own design you may well have to experiment quite a bit before it flies really well but you will know when it does simply because it will largely fly itself!
Well done. Keep going.
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Old 09-08-2018, 05:24 PM
  #79  
solentlife
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Well done
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Old 09-08-2018, 09:32 PM
  #80  
Panther
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Congratulations aaindthu. Excellent result! Hope you enjoy your plane and have many safe trouble free flights.
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Old 09-09-2018, 12:05 AM
  #81  
Don Sims
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Great to see you've flown it. Congratulations!
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Old 09-10-2018, 07:45 PM
  #82  
Abuelo
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Congratulations on your successful first flights, and doing so with your own design. That is a tough combination and you succeeded.

Please keep us posted as you progress with your flying, designing, and building.
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Old 09-10-2018, 11:14 PM
  #83  
aaindthu
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Originally Posted by Abuelo View Post
Congratulations on your successful first flights, and doing so with your own design. That is a tough combination and you succeeded.

Please keep us posted as you progress with your flying, designing, and building.
thank you very much, Abuelo. I will keep in touch.

For my next project, I think I will build a Rudder, Elevator only glider for soaring (with dihedral wings ofcourse). Powered by 4 x AAA size batteries. I already bought some HD foam boards.

Will keep you posted. Thanks again.

Aaindthu.
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Old 09-13-2018, 03:29 PM
  #84  
Flite-Metal
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I read only one reference to CG without providing you a method
of precisely locating the CG of your model. Here are two methods.
It does not matter the size, couple, span or weight...it has to be
balanced in order to fly without porposing constantly.

http://www.scaleaero.com/CG_Calculator.htm

Both methods of calculating are shown in this one web site.

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Old 09-13-2018, 05:25 PM
  #85  
solentlife
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Hi Flite ... I think most of us made decision to advise putting CoG in safe area 20 - 30% chord as it was basically a straight wing. The guy is starting out and for myself - I considered linking a CoG calculator app for him - but then thought he has enough to get on with ...

Its a good tool though to have so it will certainly benefit him now that he's seen the advantage of getting it in the safe area.

Nigel
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Old 09-13-2018, 06:02 PM
  #86  
ron_van_sommeren
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An excellent CG tool
www.ecalc.ch (16 languages)
→ toolbox
→ cgCalc
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