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Thunder Power RC . Mikado Modellhubschrauber . Futaba-RC

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e-Align T-REX 250-450-500-600 > T-REX 450 throttle up problem trex 450
 
 
Robrap30
Heliman
Location: Centerville,IN

My Posts This: Topic  Forum		Having a problem here. My trex 450 that i just purchased off here has a problem. It will go through the soft start up but when i start applying power to get off the ground the motor cuts out. It worked fine the other day and i havent changed anything. What would cause this? I back the stick back down and it will come on but as soon as i give it some power it just cuts off. Thanks for any help given on this! It has a bl 35g esc i think. Black with gold heatsink. Doesn't have any label on it and it has a 430x motor.
Rob
11-02-2009 01:04 AM
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himaxkeith
Senior Heliman
Location: Atlantic City NJ. USA

My Posts This: Topic  Forum		Try to reprogram the ESC it might be that the brake is enabled. If that dont help it could be the ESC going bad. I have the same problem with my 60 amp ESC. At least thats how it started to act up. With an erratic throttle. Just sent it out and they said it checked good and sent it back to me. Now it dont even power the reciever. IT will show 5 1/2 volts output but when you plug it into the reciever the voltage drops to .80 volts
11-02-2009 01:42 AM
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itsjojo
Veteran
Location: North East Pennnsylvania

My Posts This: Topic  Forum		That shouldn't have any problem hovering even if the esc is not programed correctly. If there is something not right causing some binding somewhere it could be drawing too much power and the esc may be cutting off the power. Things I'd check for; tight pinion mesh, tracking, vibrations or any binding in the head. Also verify the battery condition/voltage if possible.
Secondly I'd check the programing in the esc. There should be a setting on how to set the voltage cut off. If you don't know what kind of esc you have you most likely have the programing instructions to verify how the voltage cut-off is set.

Trex 500esp 600N Pro & 700 Nitro Dx7
11-02-2009 01:43 AM
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1BADAIR
Heliman
Location: oxford,mi

My Posts This: Topic  Forum		make sure the gov isn't enabled
11-02-2009 03:35 AM
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Robrap30
Heliman
Location: Centerville,IN

My Posts This: Topic  Forum		cut out trouble

It was my one battery. I got another battery and its fine. thanks everyone for the quick response!
Rob
11-02-2009 04:51 AM
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itsjojo
Veteran
Location: North East Pennnsylvania

My Posts This: Topic  Forum		Glad to hear your going strong again. Way to go. I am fighting a tail problem on my Rex 450 as we speak. They can be frustrating can't they.
Jojo

Trex 500esp 600N Pro & 700 Nitro Dx7
11-02-2009 08:29 AM
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Robrap30
Heliman
Location: Centerville,IN

My Posts This: Topic  Forum		trex

i bought it off here. The heli is in great shape but didnt come with any manuals. Looked everything up online but it's been hard setting up this way. but im pushing through it.
11-02-2009 09:32 AM
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strat1960s
Senior Heliman
Location: Great Falls Montana

My Posts This: Topic  Forum		Rob,

I got my Rex 450 off e-bay. It, too, did not come with any manuals. I looked the maunals up online. I know it's a bit late, sounds like you're almost finished, but I used the Ray's helitech DVDs to set my Rex 450 up. Once everything was finished I took the 450 out for a trial hover and it was sooo close to being spot on. I adjusted one blade and it was good to go. The video series does a great job of explaining what you're doing and why. When you get the final product in the air, it all makes perfect sense.

Ted

I always have fun. Some times are more fun than others.
11-02-2009 12:21 PM
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himaxkeith
Senior Heliman
Location: Atlantic City NJ. USA

My Posts This: Topic  Forum		If you guys are missing your manuals go to heliproz home page and on the right bottom says "other usefull info" and click on manuals its PDF formatt so you can print the manual you need. Im sure there other sites too but thats the one I normally use.
11-03-2009 12:18 AM
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Robrap30
Heliman
Location: Centerville,IN

My Posts This: Topic  Forum		manuals

Yeah I did that with the manuals. Printed them all out at work. use there paper!!
11-03-2009 06:42 AM
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Boca Bearings . XHELI.COM . Autography FlightPower

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e-Align T-REX 250-450-500-600 > T-REX 450 throttle up problem trex 450
 
 
jhhyah
Senior Heliman
Location: Taipei, Taiwan

My Posts This: Topic  Forum		I had the same problem the other day , and finally I found out it is soldering problem of one of the three connectors of motor.
11-03-2009 09:56 AM
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1 page149 viewsPOST REPLY
Thunder Power RC . Mikado Modellhubschrauber . Futaba-RC

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e-Align T-REX 250-450-500-600 > T-REX 450 throttle up problem trex 450
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