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Home✈️Aircraft🚁Helicoptere-AlignT-REX 450 › TRex Servo Disaster
07-31-2007 07:04 AM  13 years ago
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gunlocators

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Lubbock Texas USA

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TRex Servo Disaster
I just built a Trex 450SE V2 and used a Futaba 401 Gyro and a DS4300G Tail Servo So fat its Held Up However the DS285 Servos that came with my DX7 are toast after 1 Bad landing. I landed hard and had some spectators and the blades struck my tail boom and dented it pretty bad. It did not destroy the carbon blades suprise to me. However 2 of the DS285 servos do not work at all and the gears are destroyed then the third on the elevator actually works but pos it too has a couple missing teeth from the gears.

Are these servos that crappy to total get toasted and everything was even immediatly powered down.

Now I need to decide what servo to goto i suppose the HS65MG what about the tail servo leave it alone until needed?
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07-31-2007 07:35 AM  13 years ago
lowflyer101

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garden grove, CA

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Ur tail servo is 1 of the best for trex 450. But on the swash don't using anything but hs 56 or 65. Get hs 65mg.. This servo really stand up in crash. I had many crash with hs65mg. The gear just fine<-freedoom flyer->
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07-31-2007 07:41 AM  13 years ago
gunlocators

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Lubbock Texas USA

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I was told my DX7 was programmed for neg pitch and this caused the blade strike on the hard landing. Too new for it to make sense any how I suppose those servos on the swash is sub standard for such an application
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07-31-2007 12:21 PM  13 years ago
TomRex

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West Palm Beach Join Date: 12-28-2005

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Don't forget that when flying a heli and somthing goes wrong, Hit the Throttle hold Not the throttle stick!
I fly mine with full range pitch in all modes. Learn to fly with full pitch range and you'll gain a higher dicipline very quickly.
Ignorance is the absence of facts.Stupid is lacking the intellectual capacity to comprehend the fact
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07-31-2007 02:03 PM  13 years ago
kwm

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Mississauga,ON-Canad a

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I won't anything but metal gears on my 450, after a crash you will always strip gears in the servos unless you use metal geras.
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