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HomeAircraftHelicopterCentury Radikal G20-30 N640 Hawk Predator › Rotor Tech tail blades for the Radikal...?
10-11-2010 04:37 PM  8 years agoPost 1


Timmins, Ontario, Canada

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Just a question - to see what you guys are using.

Originally I bought a set of the 92mm ones sold for 50 glow helis (I think they are 26mm chord). They seemed to work fine, but they got damaged in a crash.

WHen I reordered them, I mistakenly bought the 60-90 size 92mm RT which have a 30mm chord.

I have flown them as well - both seem fine - no adjustments made. I would even say I find the tail seems "better" with the wider ones.

WHat is the concensus? Am I wrong for flying the 30mm chord ones? If so why?


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10-11-2010 08:50 PM  8 years agoPost 2



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""Am I wrong for flying the 30mm chord ones?""

AJC, your not wrong in my opinion, it's a preference, I flew those 30mm cords on my Century Raven 50 (Century was out of the 26mm cords so I bought the 30mm), they really hold the Tail good, keep in mind the Radikal's Tail use the same Grips and same Hub as it's larger Brother "the Predator 90" so they will hold up great..

an Edit,, the only thing I can think of is they may be harder on the Rudder Servo if you have a real low Torque Servo like the older Servos..

Buzz Buzz Buzz

10-12-2010 06:44 PM  8 years agoPost 3


Vancouver, Canada

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Both will work fine. The difference will be perceived more by the gyro due to the relative resolution difference it sees because the pitch change required to develop the yaw forces it is dealing with will be slightly different.

Also the max tail pitch load seen by the motor when under power and by the rotor energy that is required to pirouette at max pitch during a pirouetting auto will be a bit more more with the wider chord tail blade.


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