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Aug 02, 2012, 02:40 PM
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Chrizz's Avatar
Nice!

I need to try this! Thanks!

:-)
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Aug 02, 2012, 05:42 PM
Gary
gklein's Avatar
Quote:
Originally Posted by indoor_fr
I've tried to make a canopy with a clear shrink tube. I'm not completely satisfied because it is opaque and quite heavy (2.2g).
It was just a try, to see if it could be an alternative to the traditionnal method.

I use a hair dryer.
I don't think that it's bad at all. Our planes are representations. Very few are built to be true scale aircraft. I like any approach that is not a painted canopy!

I have moved to plunge molding on my last few planes and can knock out a canopy in a couple of hours. You can watch it if you want:

Plunge Forming a Canopy (2 min 6 sec)
Aug 03, 2012, 02:42 PM
Registered User
indoor_fr's Avatar
Thanks guys!

I must make a try with some PETG plastic. I think i can get a good result.
Sep 07, 2012, 12:34 PM
lud
lud
Making mischief in the air
lud's Avatar
Any updates?

it's a cute little model - have you got it flying yet?
Sep 08, 2012, 05:41 AM
Registered User
indoor_fr's Avatar
Quote:
Originally Posted by lud
Any updates?

it's a cute little model - have you got it flying yet?
Hello,

Thanks for your interest. I have been in holidays during 3 weeks, and after my come back, i haven't got too much time to continue this build. Anyway, i made some progress, and the airplane is almost finished.

I have carved the foam for the battery pack location. I have installed a free flight prop with a big cone that fits well to the airplane. The thrust should be enough. Should i paint the cone in red?

The last thing to do is to finish the canopy. Here how it looks for now (the canopy is not glued, but only posed on the fuselage).

I hope to fly the plane soon.
Last edited by indoor_fr; Sep 08, 2012 at 05:52 AM.
Oct 02, 2012, 04:13 AM
Registered User
indoor_fr's Avatar

Maiden Flight


At last! I got an opportunity to fly it yesterday.
The CG seems ok. The only problem i noticed is that the plane dives, which means that i should add some up thrust to the motor mounting.

I was obliged to pull on the elevator in order to keep the plane at 0.
Apart from that, this gee bee seems very stable and able to perform acrobatics. It looks great in the air!

As the motor is not easily accessible, it will be difficult to change the angle of the motor.
I have programmed a mix throttle to elevator, and i will see if that can fix the problem.
Oct 02, 2012, 07:41 PM
Registered User
Chrizz's Avatar
Hi indoor!

Are you sure it's the motormount and not the wing incidence that makes the plane dive? (I suppose you've made glide-test...?).
Just a fought for share!

:-)
Oct 03, 2012, 03:17 AM
Registered User
indoor_fr's Avatar
Hi Chrizz!
Thanks for the input.

I haven't tried a glide test with the plane completely assembled, but if i do remember well, i made a glide test at the beginning when there was not the landing gears and the electronics.

Anyway, Potensky recommends a 5 up angle for the motor. There must be a reason...The motor is at 0 or maybe -1 (stupid am i)...
Last edited by indoor_fr; Oct 03, 2012 at 03:25 AM.


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