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Ultrafly Furious Biplane $21.99

Old 11-16-2006, 11:06 PM
  #1  
Kosh
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Default Ultrafly Furious Biplane $21.99

I had lots of fun with one of these and for the money its a great flyer. Just thought I would pass this sale along to those who missed it.

http://www2.towerhobbies.com/cgi-bin...?&I=LRBC72&P=1
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Old 01-11-2007, 01:28 AM
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peterkron
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i have this plane and i love it. great price and VERY durable
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Old 01-11-2007, 03:01 AM
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Ribcracker
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I just bought my second one and I'll always have to have one in my hanger. Love it!
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Old 04-23-2007, 05:32 AM
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sglynn
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What motor and prop are you using and/or advise? I like the Welgard brushless out runners. Should I be using a high KV like 1400 RPM per volt or low RPM/V? I tried a 1000 RPM/volt with a 9X6 prop but it didn't turn well. Now I'm trying a 1400 RPM / volt and using a 9.4 prop and it seems okay. I'm using a 2S lipo. For 3D are you suppose to use long props with not much bite, or short props with lots of bite? thanks
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Old 04-23-2007, 06:53 PM
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I'm using a $20 Eskay 400XT from Hobby Lobby which is a 10 amp motor with a kv of 950. After a good amount of experimentation, I've settled on the APC 10X3.8 SF. The 9X6 also works well. But you really need to use a smallish (600-900mah) 3 cell lipo to do the 3D stuff that the Furious is famous for. And keep it light...ditch the landing gear and the decals (if it's not too late).
I'm very, very fond of my Furious.
Bud
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Old 04-24-2007, 07:14 AM
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sglynn
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Light? Really. That's why I use a 1320 2S. A 3S would add weight. My current motor/prop will take the Furious straight up. I can fly it behind the power curve (alpha) and I can kind of hover. No power problem. A 3S would be even more power. What do I need so much power for? What is the Furious famous for, that I might not be seeing. It doesn't roll as fast as I thought it should. I does fly inverted without any forward pressure on the stick. I'm not good enough pilot to roll at low altitudes, because I lose altitude when I roll. Full power and it flies pretty fast. I've had it in the wind and turned it into a wireless kite. If I turn off the motor and pull the stick all the way back, it will parachute to the ground. Is that normal? Do you know of any good videos of the furious? I've seen the sales videos.
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Old 04-25-2007, 02:39 AM
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Two cells will give you sufficient power for sport type aerobatics but for true 3D, you need three. Two cells will give you a loop...three will give you a sommersault. I'd rather fly at half throttle with plenty left over so that if I get into trouble, I can quickly pull out and away. Hovering requires an ebbing and flowing of the throttle which can only be mastered when you have enough throttle range to fine tune the hover attitude.
By all means, two cells will fly your plane but true 3D requires a higher thrust to weight ratio.
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