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HelicopterBeginners Corner › Soft start won't work on T-REX 600...
08-31-2009 10:29 PM  8 years agoPost 1
OneHoof

rrApprentice

Cold Spring, Kentucky

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I have a T-REX 600 I bought recently and am having problems getting the soft start to work. I contacted the guy I bought it from and he gave very good instructions... and even included an Align website that walks you through every step.

I followed the instructions exactly every step of the way. I removed the main rotor blades... Then put the collective all the way up... turning receiver battery on... and plugging in the main battery to the esc.

Got the correct beeps... then lowered the collective... then set the other stuff the way I wanted... and had the stick at mid stick to set soft start during the five, four beeps.

When done... I unplugged everything and put it in flying mode. The ESC beeped twice indicating soft start was programmed in, but I have the stick almost halfway before the blades start to turn... and the blades start at a very high rpm. So, fast and violently abrupt it startled me every time they wound up.

I know if I keep doing this it will strip gears and do all sorts of damage to this awesome new bird. But I kept trying to set it for over an hour last night and could not get it to work for the life of me. I modified throttle curves... etc. and nothing worked.

Every single time, my DX7 is at mid stick before the blades rip to life. I followed the instructions to the letter... and got all of the correct beeps from the esc indicating soft start is activated...

So, I don't understand why soft start won't work. Is there something I am forgetting in the set up of the radio? Or is it possible the esc stopped working properly during boucing around in shipping?

Otherwise, this is an awesome T-REX 600... I just wish I could set the soft start so I can get it trimmed out and start flying it. Any ideas on this one? Thanks.

Lone Wolf

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08-31-2009 11:05 PM  8 years agoPost 2
FlaG8r

rrElite Veteran

Florida

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Wonder with that ESC, do you need to set your high and low end points? Are these both at 100 in the radio? No sub trim or trim in the throttle channel?

Life is tough, it's tougher if you're stupid

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08-31-2009 11:09 PM  8 years agoPost 3
OneHoof

rrApprentice

Cold Spring, Kentucky

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Not sure about the high and low end points... I set throttle curve at 0... 25... 50... 100...

I was using A123 battery instead of the normal thunder tiger 5000mAH... maybe that was messing it up?

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08-31-2009 11:10 PM  8 years agoPost 4
bexusflexus

rrApprentice

Tulsa, OK

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Take a look at this post to see if there were any steps you might have missed or done differently. If this doesn't work you may have a bad ESC.

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

even not doing anything would have been better than nothing...

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08-31-2009 11:21 PM  8 years agoPost 5
Hellsiege

rrVeteran

Colorado Springs, CO

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Sounds like you got the ESC programed but what about rebinding the receiver? Sounds to me like your receiver was bound w/out the ESC in place? I've had this happen before and rebinding fixed a similar issue to what you referring to.

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09-01-2009 01:07 AM  8 years agoPost 6
geker

rrApprentice

lykens,PA

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when you go to spool up are you waiting when you start to bring the stick up or are you just bringing it up to mid and then get blades turning, i have a quick fly and have soft start and when i bring the stick up just a little the blades do start to turn very slowly and takes about 30 seconds till they go full speed just a guess dave

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09-01-2009 07:08 AM  8 years agoPost 7
outhouse

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auburn ca

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lets put this to rest right now.

its a common issue with align esc on teh 600 that soft start does not work.

never worked on my 600 for beans and ive been running this esc over a year now.

i just got used to it and its fine for me

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09-01-2009 10:51 AM  8 years agoPost 8
OneHoof

rrApprentice

Cold Spring, Kentucky

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I raise the stick very slowly... because once it gets two or three notches the rotorhead starts spinning very FAST! As soon as I see soft start isn't working... I back it all the way down.

I will try rebinding it tonight... but the ESC was on there when it was originally bound. I've done everything correctly as far as setting the soft start... but for some reason it is NOT recognizing it?

I have the throttle curve set at 0... 25... 50... 75... 100. I'm not sure what that means to have endpoints set at 100? Unless you mean lowest end of throttle curve set at 100 and highest set at 100? I only do that in Stunt 1 and Stunt 2. I am trying to set it in normal mode.

I finally got a charger for the Thunder Tiger battery and it still would not recognize soft start. It is giving two beeps indicating that soft start is set up, but it is not working. Maybe the ESC is just bad? The one guy mentioned T-REX 600 ESC's often don't work...

I'll try rebinding it tonight and see what happens. Thanks guys!

Lone Wolf

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09-01-2009 05:41 PM  8 years agoPost 9
bexusflexus

rrApprentice

Tulsa, OK

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I just set up the ESC on my T-rex 600 and it was very easy. Something is definitely amiss with yours. It sounds like you have done everything right.

Try to determine if your ESC is bad. You might try starting a new model in your radio and trying it from scratch. Maybe there is an errant setting causing the problem, although I can't imagine what it would be.

The best thing to do would be to try a diff ESC, but since you are in Cuba I'm guessing that is not an easy thing to do. Maybe it will turn out to be something simple. I have never had a bad Align ESC but I have read about others who have. So it could be that. Hopefully not, but good luck.

Also, you are programming with the ESC plugged into the motor right?

even not doing anything would have been better than nothing...

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09-01-2009 06:17 PM  8 years agoPost 10
OneHoof

rrApprentice

Cold Spring, Kentucky

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I put a binding plug in and bound the radio to the helicopter at lunch time and that didn't work. I also used a different DX-7 Radio... with the same settings and that didn't work. When I count the little white tick marks on the side of the collective... it always reaches the second tick mark before the blades start to spool up.

I forgot to mention that it is not an align motor. I have a NEU 1515 2.5d F Motor installed. I'm not sure if that would matter or not? The previous owner said the soft start worked perfectly fine for him. So, if it's not something I have set up wrong in the radio, then the ESC might have gone bad bouncing around during shipment down here to Cuba.

I may have to order a new ESC from Heli-Proz that works better with the Neu motor. Thanks.

Lone Wolf

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09-01-2009 06:35 PM  8 years agoPost 11
FlaG8r

rrElite Veteran

Florida

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I'm not sure what that means to have endpoints set at 100?
End Point Adjustment/ Travel Adjust screen. Make sure your throttle channel is 100% and 100%.
I only do that in Stunt 1 and Stunt 2. I am trying to set it in normal mode.
You're not setting up the ESC for any particular flight mode.

Life is tough, it's tougher if you're stupid

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09-03-2009 02:57 PM  8 years agoPost 12
chopper_crazy

rrElite Veteran

Delphos, Ohio

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My dad has a 600 with the align electronics and he couldn't get the softstart to work at all on his. Way to violent. He ended up buying another esc. My 600 esc burnt up a few months ago. Didn't have a problem with the soft start but I then went to a CC 85HV and can't believe the ease of set up and soft start. If you want a nice reasonable esc, that is the one ou want. Just awesome.

It's a complex, costly, glow powered anti-gravity machine!

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09-03-2009 03:50 PM  8 years agoPost 13
OneHoof

rrApprentice

Cold Spring, Kentucky

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Thanks! I'll have to give the Castle Creations 85HV a try. I hear it is really good. I'll let you know how it turns out.

Lone Wolf

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09-17-2009 11:55 PM  8 years agoPost 14
sonnyhad

rrProfessor

Holland,Mi

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I had the same issue with my soft start from day one. Chances are, your was like that as well. I bought a new Align 100 esc and it went up in smoke a couple of weeks ago. I hadn't flown my electric all summer, I was flying my nitro! After 3 batteries on the electric the esc went up in smoke, and I hope to tell you, they really go up in smoke. I tore off the canopy and got the battery unplugged as fast as I could before it did more damage. I then put my old esc in it and it flew two battery packs and then stopped working altogether. No more align esc's for me, i ordered a new CC Ice100. It has data logger so at least I'll can have a clue as to whats happening.
Good luck and happy flying!!

Bald Pilots usually wear hats!

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