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T-REX 450 › idle up problem on my Trex 450
12-27-2008 11:11 PM  8 years agoPost 1
ronmad02

rrApprentice

Toledo, Oh - U.S.A.

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I have a futaba t6ex I have been flying with it on my trex 450 for a year now and just noticed that when in idle up and I hit the th hold switch my pitch only goes from 0 to 10 deg. It wont go into the neg pitch. I have the radio set up like this.
N-TH 1-0% 2-25% 3-50% 4-75% 5-100%
N-PI 1-50% 2-60% 3-70% 4-80% 5-90%
I-TH 1 thru 5 at 75% (gov mode)
I-PI 1-0% 2-25% 3-50% 4-75% 5-100%

Hold % is -50% but I have tryed every thing that I can think of.

0 deg pitch is set at 50% -10 deg is set at 0% and 10 deg is set at 100%.

I noticed this because I wanted to practice autos and found that I had no neg pitch in throttle hold.

Any help would be great.

Thanks

ronmad02
T-rex 450se
T-rex 600n

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12-28-2008 12:01 AM  8 years agoPost 2
docjoe

rrElite Veteran

Stockton, CA United​States

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Did you set the throttle hold pitch?

If your throttle hold is set to 0 pitch at low stick, then this will cause your problem. I usually use pitch curve of -5 - 0 - +11 (or max pitch) in throttle hold. using a smaller degree at bottom stick will give you a larger amount of room to find the "sweet spot" when practicing autos.

Also, if you have too much pitch in throttle hold on the 450, you'll lose a lot of head speed and your 450 will fall out of the sky.

FWIW, I will tell you that I have a lot of experience autoing the 450 and am fairly proficient in doing it.

Joe
We haven't seen Colonel Angus around these parts for years!

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12-28-2008 05:33 AM  8 years agoPost 3
ronmad02

rrApprentice

Toledo, Oh - U.S.A.

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thanks Joe,

I am not sure how to set the throttle hold pitch on the t6ex. I havent seen any setting for it. I maybe missing it. If anyone knows were to set it the t-hold pitch. Thanks in advance.

ronmad02
T-rex 450se
T-rex 600n

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T-REX 450 › idle up problem on my Trex 450
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