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Mike knew I meant to say "moderator". What I would have liked is his thread would have been started down here. And this is one reason why, I posted today about my maiden and its buried by all of the 3DHobbyshop threads up in 3D. Is the Pulama not in the f3p category/class? ______ Dennis |
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Joined Nov 2006
227 Posts
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battery position
I recently decided to utilize the info given me by ETOC winner Seth Arnold about battery position and found it improved my Piaget a lot during knife edge flight. I moved the battery to the topside of the fuselage instead of under the nose. I was surprised at the effect such a little change had. Before moving the battery my plane was always trying to roll out of knife edge. Now it's much more stable. I only moved the vertical cg and not the fore and aft position. I use a Rhino 2s 460 and my plane is neutral in pitch whether upright or inverted.
Thanks Seth for your help Michael |
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Sydney, Australia
Joined Dec 2008
2,987 Posts
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Joined Oct 2006
242 Posts
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Joined Nov 2006
227 Posts
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My Piaget has the servos farther forward than most to allow me to use lighter batteries. I also have a lighter motor and different motor mount. I used a Turnigy 2204-14. It weighs 19 grams and it will go vertical very well and can easily hover this model. I wanted to be able to use small 2s batteries rather than 3s as many are using. My battery ended up right behind the motor to get a neutral cg in pitch. Top or bottom, my battery was always well clear of any carbon bracing. This epp is flexible enough that I don't think cutting holes in it or milling it like a typical competition f3p would work very well. My Piaget weighs 180 grams with a 2s Rhino 360 installed. I gained a few grams by extending my wing leading edge and using larger carbon on the wing rods and adding extra fences. While it's definitely not an f3p, the mods did improve its flying qualities and being epp it has been able to absorb my mistakes without any damage so far. I built this model to learn on before I start flying my f3p's, plus I can fly it outside with low winds.
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Feda |
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