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T-REX 500 › new esc no power to RX
01-12-2010 07:17 AM  8 years agoPost 1
joecass

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NJ

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trying to bind ar7000 and the one time i pluged in the battery i heard a pop and then i had now power to RX also no sound when first pluging in battery. i got a brand new esc this one also will not power up RX i do get a beep when powering this one up. checked for power at the red and black wire that goes into RX no power. if i connected the esc wire in the wrong way would this damage the bec?

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01-12-2010 08:18 AM  8 years agoPost 2
Spitfire1

rrElite Veteran

Perth Australia

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Did the pop come from the esc? if it came from the deans connector thats normal, if it came from the ESC I cant imagine thats very good.

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01-12-2010 10:39 AM  8 years agoPost 3
neale

rrApprentice

BRISBANE ,Australia

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Just a thought, are you sure the new ESC you bought is designed to power the rx? I got caught with this once when I was putting my second 500 together,I had to exchange it for another esc that was designed to run the rx.
Neal

Have money pit,but small shovel !!

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01-12-2010 02:18 PM  8 years agoPost 4
dkshema

rrMaster

Cedar Rapids, IA

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if i connected the esc wire in the wrong way would this damage the bec?
If you plug the cable going into the receiver from the ESC backwards, you will not hurt anything. but nothing in the RX or onboard electronics will work.

If you plug the battery into the ESC backwards, you most likely will kill the ESC.

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What ESC are you trying to use?

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Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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01-12-2010 02:21 PM  8 years agoPost 5
Steff Giguere

rrProfessor

St-Eustache, Quebec, Canada

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Does your ESC have an integrated BEC?

Team Synergy, Rail blades, Team Scorpion, V-Team

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01-12-2010 04:22 PM  8 years agoPost 6
joecass

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NJ

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i have the new 75 amp align esc RCE BL75G i have no power from red wire that pluges into RX. i don't know if it has a bilt in bec how can i find out

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01-12-2010 04:36 PM  8 years agoPost 7
dkshema

rrMaster

Cedar Rapids, IA

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RCE-BL75G HAS NO BUILT-IN BEC. It WON'T power your radio

From Align website description of this ESC:
NOTE: Not including BEC. User need to provide the power for receiver and servo.
Hope you didn't buy a second one thinking the first was dead...

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Dave

* Making the World Better -- One Helicopter at a time! *

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01-12-2010 04:59 PM  8 years agoPost 8
joecass

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NJ

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thanks for the help i wonder if i can return this one i already put all conectors on it

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01-12-2010 05:46 PM  8 years agoPost 9
dkshema

rrMaster

Cedar Rapids, IA

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Sounds like you bought yourself a spare...after soldering to it, my guess is that it's yours...

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Dave

* Making the World Better -- One Helicopter at a time! *

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01-12-2010 05:53 PM  8 years agoPost 10
JEEPWORLD2002

rrKey Veteran

BLUEBELL PA USA

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sounds like you shorted the bec part of the esc. not very much protection on the bec side. you could test the system and power the rx with a 4.8 pack. then test the esc part connecting the main pack. but do it with out blades on in case the esc goes ape XXXX

Trex600n Trex500 Mikado LoGo5003d// Hacker, CastleCreations,Ys 50, JR 7703d/8900, Radix

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01-12-2010 07:24 PM  8 years agoPost 11
dkshema

rrMaster

Cedar Rapids, IA

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Jeepworld -- the RCE-BL75G has no BEC to short circuit. Try as you may, the BL75G will NEVER apply power to any radio gear.

Most linear regulators that would find their way into a 2 or 3 amp voltage regulator have built in thermal shutdown to protect the regulator, and they have short circuit protection.

He needs to BUY an external regulator/BEC if he wants to use the BL75G as his ESC. I'm also guessing that this second ESC was purchased to replace what he thought was the original RCE-BL75G, thinking it was bad.

I think he has two nice 75A ESCs and no external regulator to run his RX and servos.

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Dave

* Making the World Better -- One Helicopter at a time! *

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01-12-2010 08:13 PM  8 years agoPost 12
joecass

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NJ

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the guy at my lhs gave me this esc i told him the heli it was going in and he gave it to me do you think he should return it

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01-12-2010 10:32 PM  8 years agoPost 13
dkshema

rrMaster

Cedar Rapids, IA

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It never hurts to try. What more can he do than say "sorry, it's been used, I can't take it back". Most of us are sorely aware that the guy running the LHS isn't always the sharpest tool in the box when it comes to know what the products he sells, do.

I would not blame him if he said just that. After all, once it's been soldered and used, he really has no idea what's been done to it.

Of course, if you had specifically gone in looking for an ESC with a built-in regulator, and he handed that to you saying "here, this will work", then maybe you can guilt him into a refund or exchange.

There are many good, competent shop owners. But there are many who sell without really understanding what it is they are selling.

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I have to ask this question, however. Why not use the ESC that came with the Trex 500 kit. It works well AND has a built-in regulator for your radio gear.

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Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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01-13-2010 01:02 AM  8 years agoPost 14
joecass

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NJ

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i went back and the owner was not there so. i drop $50.00 on cc bec and the castle link going to put it in later

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01-13-2010 01:47 AM  8 years agoPost 15
dkshema

rrMaster

Cedar Rapids, IA

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I have to ask this question, however. Why not use the ESC that came with the Trex 500 kit. It works well AND has a built-in regulator for your radio gear.

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As for buying the CC BEC -- I hope you're happy and good luck with it, the CC BEC has a very spotty track record. It seems that it's very easy to let the magic smoke out of it.

At this point, I hope you're not compounding your errors by simply spending more $$$.

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Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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01-13-2010 11:45 AM  8 years agoPost 16
joecass

rrVeteran

NJ

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all i wonted was the stock esc that comes in the 500 kit. the guy at my lhs told me that the 75amp esc was better than the one in the 500 kit and he did not have that one so i got it not realizing that it did not have a internal bec. when i went back thay did not wont to return it so thay sold me the castle bec.

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01-13-2010 03:27 PM  8 years agoPost 17
JEEPWORLD2002

rrKey Veteran

BLUEBELL PA USA

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i use the cc bec and had only 1 fail due to me reversing the polarity. took 5 day to send in and get a replacement at a low cost. the cc bec works well, the only problem i remember was the 8717 amp hungry servos would load them down, so cc recomends you use two of the bec on power hungry systems, as i do on my 600N.

SOrry didnt se that it was the 75amp, thought the kit came with the 60amp

Trex600n Trex500 Mikado LoGo5003d// Hacker, CastleCreations,Ys 50, JR 7703d/8900, Radix

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01-13-2010 03:40 PM  8 years agoPost 18
rumbleweed

rrNovice

Maryland=USA

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If you bought it as a kit with a substitute or upgraded version of the Align ESC/BEC, I would take both back and insist they provide the align ESC/BEC or equivalent. Apparently the LHS salesman had no idea what he was telling / selling you.

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01-13-2010 04:56 PM  8 years agoPost 19
dkshema

rrMaster

Cedar Rapids, IA

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all i wonted was the stock esc that comes in the 500 kit.
And for some strange reason you DON'T have the STOCK ESC that COMES in the box?

The guy at the hobby shop removed the stock ESC and SOLD you an "upgrade" that wouldn't work? And then sells you an external regulator to fix his mistake for another $50? What's up with that?

Next time, I would suggest that you do your homework first and understand what you're about to buy.

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Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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01-14-2010 03:46 AM  8 years agoPost 20
Spitfire1

rrElite Veteran

Perth Australia

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Look on the bright side, atleast now you have a more higher amp more robust ESC thats less likely to fail, and with the UBEC atleast you will still have control of you heli if the ESC does catch on fire, wich ironicly is very unlikely due it being a 75 amp, not the 60.

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