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Learn to Fly 3d RC Helicopters

Not sure where to post this topic .. Apologies if this is not the right spot.

Can anyone tell me the dimensions of the screw which holds the servo horn onto the output shaft on the BK 7001hv cyclic servo ?
Storm, did you run up your credit card bills for Christmas? Looks to me that you are working a lot of overtime in the States. Blizzards in the East, and now torrential rain and wind in the West. I really don't think this amount of overtime will "fly" with his majesty Crash!
Check out young CD from Thailand smacking around his Gaui X7: Reported by: Peerapong Kongthon

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The LOGO 550 SX is the first member of the next evolutionary step of our popular and proven LOGO 500/550/600 helicopter series. Underneath the freshly designed canopy you find an improved version of our tried and tested chassis, which now offers a battery quick release system and considerably more headroom for flight packs below the […]

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A New video series , this time Setup the Futaba CGY750 V1.40 by Darrick Chekas from team Futaba and Align Futaba CGY750 V1.40 Setup Part 1: Transmitter Preparation Futaba CGY750 V1.40 Setup Part 2: Swash Basic Menu Futaba CGY750 V1.40 Setup Part 3: Rudder Gyro Basic Menu Reported by: dchekas

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The guys over at ROTORS! The RC Helicopter Show have created a very nice flight tips video series , take a look: How to Hover A helicopter First Flips Tictocs Pirouetting Flips and Piros Reported by: ROTORS! The RC Helicopter Show

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Align has released a new trio of speed fuselages, designed primarily to fit the Align T-Rex 550L Dominator series of helis. Available in three different color combinations, this fuselage measures 1006mm x 135mm x 220 mm (LxWxH). Weight is 290g. It will not only enhance the appearance of any T-Rex 550 heli but can also make it more aerodynamic should a pilot wish to explore high speed forward flight and unlimited 3D racing. Pilots can choose between a red/yellow, red/white or all red color scheme.

For more information, click through to...
Guys and Gals,
Fast Lad UK has some awesome deals on upgrade parts at the moment...

http://www.fast-lad.co.uk/store/index.php?cPath=995&sort=1a&showItemPL=240&page=1

included is all the mini protos tail upgrades... for about 50% off.. if I had a mini and didnt have one.. I would now.

also goblin 570 stretch kits as well as blade and all sorts of micro goodness....
I have tried blades that look very similar in profile yet fly completely different. I would like to know what attributes are responsible for the following:

Bite: what shapes determine how aggressive a helicopter blade creates lift. I know airfoil can have something to do with this but some airfoils are more toward the center line of the blade while others are at the leading edge.

Stability: What characteristic determines how stable the helicopter is at fast forward flight. For example I know that Halos are pretty good at FF flight, and so are rails.

maneuverability: Some blades...
test

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