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04-26-2009 05:20 PM  10 years ago
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Mr. Miyagi

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Detroit, Michigan

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trex 500
UPDATE !!!!PROBLEM SOLVED!!! I had my brake set to on for the ESC setup.
You're not a "pilot" if you fly an RC helicopter. Sorry to crush your dreams #HardTruth
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04-27-2009 03:45 AM  10 years ago
Mr Scout.

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milpitas,ca,USA

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Thats normal,thats the blades inertia which is spinning very high is what you hear.lately we have been practicing auto on Trex500.alot of good pilot saying its hard doing autos but basically were proving them wrong.LOL
check out this videos on Trex500 doing autos http://www.youtube.com/user/mrscout101
Team RF Frequencies
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04-27-2009 03:51 AM  10 years ago
FlaG8r

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Florida

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Thats normal,thats the blades inertia which is spinning very high is what you hear
Not sure if this is what he's hearing...as he's hearing it when he comes OUT of throttle hold.
Life is tough, it's tougher if you're stupid
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04-27-2009 04:00 AM  10 years ago
Mr Scout.

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Try doing a baby auto(5 feet) and see if the noise still present?if it does,then your motor is not hacken it.im using the stock motor also and dont really hear from what your saying the motor humming.Team RF Frequencies
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04-28-2009 12:54 AM  10 years ago
Mr. Miyagi

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Detroit, Michigan

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maybe. I will check the brakeYou're not a "pilot" if you fly an RC helicopter. Sorry to crush your dreams #HardTruth
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04-28-2009 01:09 AM  10 years ago
docjoe

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Stockton, CA United States

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It may be your soft start kicking in. I would try dialing in some throttle in the hold menu of your radio to keep the blades spinning. This should prevent your soft start from activating. however, it may cause your tail to spin out if you don't have enough head speed.

Give it a try.
Joe
We haven't seen Colonel Angus around these parts for years!
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04-28-2009 01:26 AM  10 years ago
himaxkeith

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Atlantic City NJ. USA

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Might be something with your BEC setup. Like an ELE. brake ?
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04-28-2009 05:18 AM  10 years ago
Spitfire1

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Perth Australia

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Ive just started practiceing autos also, dunno if Im doing something wrong, but I cant bail out by hitting the T/hold.
I have to wait til its completely spooled down, switch back to normal mode then switch of the T/hold.
If I hit the hold while im still auto`ing I get 100% throttle that nearly strips my gear and causes my tail to blow out nearly 360 deg`s.
I dont see anyway of avoiding this, if the soft start worked I imagine it would take too long to spool up anyway, so once I flick the switch I am pretty much commited.
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04-28-2009 07:36 AM  10 years ago
Mr. Miyagi

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checking setupYou're not a "pilot" if you fly an RC helicopter. Sorry to crush your dreams #HardTruth
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04-28-2009 07:36 AM  10 years ago
Mr. Miyagi

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What is the purpose of the brake when programming the ESC?You're not a "pilot" if you fly an RC helicopter. Sorry to crush your dreams #HardTruth
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04-28-2009 08:46 AM  10 years ago
himaxkeith

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Atlantic City NJ. USA

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The brake is used mostly on ele.cars and used on powered gliders also to be able to stop the propeller faster so the prop can fold quicker before loosing to much airspeed. Go thru your BEC setup and make sure the brake is disabled.
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04-28-2009 04:25 PM  10 years ago
Mr. Miyagi

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Detroit, Michigan

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it might be the brakeYou're not a "pilot" if you fly an RC helicopter. Sorry to crush your dreams #HardTruth
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04-29-2009 12:52 AM  10 years ago
docjoe

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Stockton, CA United States

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Ive just started practiceing autos also, dunno if Im doing something wrong, but I cant bail out by hitting the T/hold.
I have to wait til its completely spooled down, switch back to normal mode then switch of the T/hold.
If I hit the hold while im still auto`ing I get 100% throttle that nearly strips my gear and causes my tail to blow out nearly 360 deg`s.
I dont see anyway of avoiding this, if the soft start worked I imagine it would take too long to spool up anyway, so once I flick the switch I am pretty much commited.
Spitfire,

The problem with the tail spinning too much is that you're going from zero throttle to 100% when you flip out of throttle hold. One of the work-around is using the throttle delay. The throttle delay will slowly ramp up the throttle speed over a specified time rather than going straight to 100%. it's not available on the DX7 but is available on the 9303. That's one of the reason why I upgraded.

One work-around would be to change from Idle 2 to idle 1 in throttle hold (and make sure that idle 1 throttle is lower). Then when you flip it out of throttle hold, it won't go to full throttle.

Also, don't wait until the head speed is really down before trying to bail out. If you bail out low, you're going to strip a gear or crash. Bail out high when there is more head speed.
Joe
We haven't seen Colonel Angus around these parts for years!
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04-29-2009 02:58 AM  10 years ago
Mr Scout.

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milpitas,ca,USA

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miyagi son,(A)maybe your gears&pinion alittle bit too tight.(B)set up your throttle curves little lower on idle 1(V curve,75% mid)and idle 2 on flat 100%.(C)set up your timming on esc on high not mid.(brake disabled ofcourse.)(D) get another new motor.I've tried soo many times doing auto but could not relate to the issue that your having.(humming sound).the only thing that would happen when i start kick the throttle is my tail spin slightly to the right,thats all i could find.check trex forms web site.Team RF Frequencies
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04-29-2009 06:21 AM  10 years ago
Mr. Miyagi

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Detroit, Michigan

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setup was wrongYou're not a "pilot" if you fly an RC helicopter. Sorry to crush your dreams #HardTruth
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04-29-2009 07:09 AM  10 years ago
HeliPolski

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La Quinta, CA

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I am not sure if this could be the problem but, I had a similar problem and I found out that my one way is going out. It would be very tight when you would spin it in reverse and after a while of going back an forth it losened up. It would auto horribly but when I would bail out it went to full power and never jerked when I released throttle hold. It smoothly transitioned from zero power to full.

Hope this Helps

MIKI
If its not scale I ain't flying it, unless its a TREX
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04-29-2009 03:22 PM  10 years ago
Mr. Miyagi

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Detroit, Michigan

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everything is running smooth as can be now. The esc was programmed with the brake enabled.You're not a "pilot" if you fly an RC helicopter. Sorry to crush your dreams #HardTruth
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04-29-2009 05:06 PM  10 years ago
Mr. Miyagi

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Detroit, Michigan

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I figured out the problem. I guess I had my brake on after all. lol. Thanks for the help guys!You're not a "pilot" if you fly an RC helicopter. Sorry to crush your dreams #HardTruth
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