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Feb 27, 2004, 11:36 AM
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2Cconcept's Avatar

my new 8,3g plane


I' built this little plane without thinking it could really fly
but it's flying very well and during........10mn!!!!!
span : 20cm weight: 8,3g
the actuators are homemade the motor is a 45ohm 6mm didel;
gear ratio 5,33:1; prop 77mm & tin pitch homemade; combo JLC
hope it 's gonna give some idea to some of you!
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Feb 27, 2004, 12:27 PM
in persuit of low wing loading
Gordon Johnson's Avatar
Christophe,
Nice plane. What is the chord, in other words what is the wing area?

Gordon
Feb 27, 2004, 12:36 PM
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gbarc's Avatar
Very Neat!!



Greg
Feb 27, 2004, 01:05 PM
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Jgardner's Avatar

Prop


Great work. Could you do a closeup of the prop and tell a bit about it.

Thanks for showing us your nifty plane.

John
Feb 28, 2004, 02:59 AM
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2Cconcept's Avatar
gordon the chord is almost the same word in French (corde) ( U'd be surprise by the number of common word in English and French!)
then it's 6cm (1,20dmē area)
Something which is really important is that there's a negative pitch on the rear edge of the wing for more stability.

John,
I'll do closeup today and I'll send it. I don't Know how to explain the pitch.
If U'want just ask for anything
Feb 28, 2004, 06:12 AM
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Uwe Steller's Avatar
Nice, do you have a detailed weight breakdown ?
Uwe
Feb 28, 2004, 08:13 AM
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2Cconcept's Avatar
hi Uwe
-total frame : 1g
-combo : 0,9g
-actuators : 0,6g each (I did a 1g pair last week)
-motor+gear : 2g
-prop : 0,3g
-landing gear + connection wires : 1g
-lipoly 90 : 2,5g
Feb 28, 2004, 08:21 AM
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Uwe Steller's Avatar
Thank you very much, new targets are set!
Feb 28, 2004, 08:26 AM
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2Cconcept's Avatar
Greg,
Thank you very much for your compliment !
Like this I lurned a new English word ( neat ) I looked up in the harraps and the translation is very touching!
Feb 28, 2004, 08:35 AM
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2Cconcept's Avatar

8,3g plane


John,
here are some photo of the prop
Feb 28, 2004, 08:36 AM
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2Cconcept's Avatar

one more


an other one
Feb 28, 2004, 08:37 AM
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2Cconcept's Avatar

one more


the last one
Feb 28, 2004, 08:39 AM
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2Cconcept's Avatar
there's a very small screw on the side of the prop hub to maitain it
on the axe
Feb 28, 2004, 12:08 PM
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Jgardner's Avatar

Thanks


That is another piece of great workmanship. I have yet to do a good prop, but I keep considering options.

Great photos, great plane.

John
Feb 28, 2004, 09:54 PM
Las Vegas Realtor
Inari's Avatar
Very nice!


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