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T-REX 450 › power glitch prob?
07-11-2008 01:03 PM  9 years agoPost 1
dbldins

rrVeteran

Danville,Ky.

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I'm using 35 amp esc 430l brushless, Eflite 11.1v 1250 mah 20c continuous 25c max. When I lift off to hover power seems to pulse???
Any help would be great

I'm addicted to flying! Seriously!! I need rehelihab!

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07-11-2008 01:07 PM  9 years agoPost 2
The_Widowmaker

rrElite Veteran

Bear Valley Springs, CA

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Did you program the ESC? Regardless I would start there. Set a norm throttle curve of 0-50-100 and reprogam the ESC. If that does not fix it you can start looking at other things.

"I'm a Virgin.. I'm just not very good at it. "

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07-11-2008 01:14 PM  9 years agoPost 3
dbldins

rrVeteran

Danville,Ky.

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esc prog

just got the rex450. Blade cp for 3yrs. Program the ESC? Through the radio?

I'm addicted to flying! Seriously!! I need rehelihab!

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07-11-2008 02:30 PM  9 years agoPost 4
The_Widowmaker

rrElite Veteran

Bear Valley Springs, CA

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Look on line and find the manual in PDF form for your ESC if you dont have it already. It will tell you how to program it. The ESC has to be programmed and during that programming it learns the low and high throttle pulse of your Transmitter.

"I'm a Virgin.. I'm just not very good at it. "

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07-11-2008 02:56 PM  9 years agoPost 5
The_Widowmaker

rrElite Veteran

Bear Valley Springs, CA

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Remove your main blades.
Set your normal throttle curve in radio to 0-50-100.

Turn on TX.

Move collective/throttle stick to full (all the way up).

Plug battery to heli.

You should here DE DE DE (power on sound)

then DA DA DA DA (setup mode sound)

Shortly after you will hear a wave of tones verifying high throttle position learned.

Move stick to lowest position and you should hear another wave of tones verifying low throttle position learned.

Immediately after above Programming Options Start

Keep stick at full down. You will hear 5 beeps then a confirmation tone. Brake is now set to disabled and next sequence of beeps begins.

Will now here BEEP_BEEP, BEEP_BEEP.. during this move stick to center and wait for confirmation tone. Timing now set to MID Timing and next sequence begins.

Will now here BEEP_BEEP_BEEP.. BEEP_BEEP_BEEP.. during this leave stick at center and wait for confirmation tone. Lipo protection mode set to MID and next sequence begins.

Will now here BEEP X4.. BEEP X4.. during this leave stick at center and wait for confirmation tone. Heli Mode Soft Start now set and next sequence begins.

Will now hear BEEP X5.. BEEP X5.. during this put stick at full up and wait for confirmation. Throttle Response is set to high.

Move stick to lowest position.

Unplug heli.

Plug heli back in with stick at low position for normal use.

"I'm a Virgin.. I'm just not very good at it. "

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07-11-2008 03:58 PM  9 years agoPost 6
nmrs

rrApprentice

Austin, TX

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Here's a good thread about programming the align esc:

http://www.runryder.com/helicopter/t300358p1/

450 se v2

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07-11-2008 05:00 PM  9 years agoPost 7
pschurter

rrApprentice

La Serena - Chile

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I had a similar problem caused by radio glitching with PPM receivers. I found two solutions: get a glitch reducer from Dyonisus design ( http://www.dionysusdesign.com/produ.../products_id/42 )between the ESC and the receiver, or switch to PCM (I am now switching to 2.4)
Hope this helps

Good flight, good night!

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07-12-2008 06:34 PM  9 years agoPost 8
dbldins

rrVeteran

Danville,Ky.

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Problem solved. Thanks to all. Bad battery. This heli was purchased used.No esc programming was needed

I'm addicted to flying! Seriously!! I need rehelihab!

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T-REX 450 › power glitch prob?
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