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250 Class Electric Helicopters 250 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.

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Old 12-13-2011, 04:41 AM   #11
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Join Date: Mar 2011
Location: Griffin Ga, United States

The MKS DS 95i is a little pricy for me at the moment. I ordered the MKS DS 480 for my HK 250.http://www.amainhobbies.com/product_...-Digital-Servo

I currently have a Quark Clear case gyro and a Blade SR servo on the tail. Its very flyable but I don't feel quite good enough about it to hover inverted. I've done some back flips with it but thats about it.

If you look at the specs on the MKS 480 it is quite fast
  • Operating Speed (4.8V): 0.068 sec/60 degrees at no load
  • Operating Speed (5.0V): 0.065 sec/60 degrees at no load
  • Stall Torque (4.8V): 25.7 oz/in (1.85 kg.cm)
  • Stall Torque (5.0V): 26.8 oz/in (1.93 kg.cm)
and still a very light servo for the 250, plus they give the Working frequency: 1520μs / 333hz which is necessary info to choose the servo type in the Quark servo setup mode. Thats hard info to find sometimes on cheap servos. I never did find it for the Eflite DS75 servo.
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