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Archive for October, 2009
My 1st Electric Heli - HK450 (T-Rex 450 clone)
| Oct 05, 2009 @ 09:00 PM | 7,630 Views
I finally decided to enter the world of 450 sized electric helis and bought a HK450.
Quick Specs and Info:
Motor: Turnigy 2836, 3700KV, w/11T pinion
ESC: Castle Creations 45A running on governor mode and disabled the following: BEC, over-current and LVC protection.
BEC: Castle Creations 10A
Gyro: Spartan Quark
Receiver: Futaba R617FS, 2.4 GHz
Cyclic servos: HXT900
Tail servo: DS480
Battery: Zippy Flightmax 3s1p 2200 mAh, 30C
Upgrades: All-metal main rotor head, non-slip tail drive gear, glass fiber main blades
Normal pitch curve (degrees): -2, -1, 0, +5, +10
Idle up 1 pitch curve (degrees): -10, -5, 0, +5, +10
Idle up 2 pitch curve (degrees): -10, -5, 0, +5, +10
Throttle hold pitch curve (degrees): -4, -2, 0, +5, +12
Normal throttle curve (RPM): 0, 2700, 2700, 2700, 2700 using governor mode
Idle up 1 throttle curve (RPM): 2700, 2700, 2700, 2700, 2700 using governor mode
Idle up 2 throttle curve (RPM): 2950, 2950, 2950, 2950, 2950 using governor mode
Throttle hold throttle curve: Motor off
Flight time: 7 minutes doing advanced aerobatics (not 3D) and fast flight with occasional hovers.
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4/15/2010 @ Fairview Park, Costa Mesa, CA
Put a bigger motor on it!
Costa Mesa, CA
Airplanes, helis, skydiving
Aircraft & parachute design engineer
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HK 450 : hard to be cheaper for a 450
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