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Home✈️Aircraft🚁HelicopterBeginners Corner › Head speed
05-24-2007 12:25 PM  13 years ago
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pat_soccer_89

rrNovice

Prescott Arizona - United States

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Head speed
What is a good head speed you should be running on a 90 size heli and how should i adjust my 9C super to get my desired head speed
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05-24-2007 12:57 PM  13 years ago
leady

rrApprentice

UK

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for a 90 i believe a good headspeed will be around 1700-1800rpm (correct me if im wrong) im not sure about the 9C radio, but i think if it like the 7chp, you could just adjust your throttle curves to get the speed u want, once its roughly right and you got a govener it should lock onto the correct head speed, but i dont use a govner so im forever p155in about with the throttle curves.
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05-24-2007 03:23 PM  13 years ago
BarracudaHockey

rrMaster

Jacksonville FL

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Head speed is a combonation of your pitch and throttle curves unless you have a governor then you set the pitch then adjust the governor (usually through the governor menu) to set the head speed.Andy
AMA 77227
http://www.jaxrc.com
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05-25-2007 10:23 AM  13 years ago
leady

rrApprentice

UK

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ye i forgot bout the trottle curves, i keep mine set the same, so i dont mess about too much then have to set it up loads of times lol
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05-26-2007 01:45 AM  13 years ago
garaptor

rrApprentice

Atlanta,Ga,usa

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Assuming you have your throttle and pitch curves set and everything is balanced, about 1800-1900 with good carbon blades is nominal. The pro I fly with flys a synergy at 2000 rotor rpm.
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