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Gaui EP550 › Main Rotor Blade size for Long Boom-Hurricane 550
01-14-2010 12:08 AM  8 years agoPost 1
Ausable

rrVeteran

Montreal, Quebec

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For a Hurricanne 550 with the long boom is it ok the use 500 blades or 550 blades if the Heli has only stock electronics.And if so what blades.
Thanks

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01-16-2010 03:24 AM  8 years agoPost 2
FPC

rrNovice

Taipei,Taiwan

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I think the 500 blades will be better for the stock electronics if it came with kv850 motor and 50A ESC , Here may check your gear ratios:

http://www.gaui.com.tw/html-en/550_rotor_speed.html

You may input the data and CLICK the "OK" button and check the head speed, the ideal maximum head speed for the stock 500 Wooden blades (kv850 motor/50A ESC) is around 2000 rpm.

You may set the head speed higher if you use the FRP or CF blades, but you might have to upgrade the stock electronics and change the gear ratio.

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01-16-2010 04:01 AM  8 years agoPost 3
mcnabbwr

rrNovice

Michigan

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The carbon kit came with 1100kv motor and 75amp esc so running 550mm blades would be no problem.

Bill

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01-16-2010 06:42 PM  8 years agoPost 4
Steff Giguere

rrProfessor

St-Eustache, Quebec, Canada

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This one has the 50A ESC and I don't know how many KV motor.

Team Synergy, Rail blades, Team Scorpion, V-Team

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01-23-2010 08:20 PM  8 years agoPost 5
Flyextreme

rrNovice

San Pedro,Ca

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You may want to stick with the 500mm blades untill you get a bigger ESC. Of course, if you are just "sport" flying, you may be able to swing the 550mm with no issues. Put a watt meter on it and see what the highest amp draw is while flying with the 550's on it...assuming you don't have an EagleTree.

Bill

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01-23-2010 09:52 PM  8 years agoPost 6
Ausable

rrVeteran

Montreal, Quebec

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Main Rotor Blade size for Long Boom
Ok, thanks for the reply.

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Gaui EP550 › Main Rotor Blade size for Long Boom-Hurricane 550
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