RC India
Welcome Guest, please login or register.
 
Pages: [1]   Go Down
0 Members and 1 Guest are viewing this topic. Topic Tools Topic Tools 
Read
« on: July 30, 2010, 01:28:36 PM »
chanduvcrc
Heli Lover
Active Member
**

Reputation Power: 1 
chanduvcrc has no influence.
Offline Offline

City: LUCKNOW
State: Uttar Pradesh
RC Skills: Beginner
Posts: 24
Join Date: Feb, 2010




 Help Me Help Me Help MeAny one please suggest that what's the particular reason of my ESC which exploded during the test run of motor and servos.

During installation I had used following configuration:
1. Towerpro 2409/18 brushless motor.
2. DYS 30 AMP brushless ESC.
3. Turnigy 2500mah 25C 3S lipo battery.
4. HXT900 9gm servos.
5. Futaba 6EXP Transmitter.

I would like to remind you that I was connecting right power supply i.e. positive to positive and negative to negative for joining ESC & battery.
After connecting power supply, ESC was not beeping and get exploded in 2-3 seconds.

Please help me to find out what is the possible cause for that mishap. So that I will never do such wrong action in future.
Help Me Help Me Help Me
Logged
 

Read
« Reply #1 on: July 30, 2010, 03:01:58 PM »
anwar
Administrator
Forum Hero

*****

Reputation Power: 141 
anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!
Offline Offline

City: Doha (Qatar) & Thrissur
State: Kerala
RC Skills: Advanced
Posts: 11619
Join Date: Mar, 2009

RC India - Flying and racing with open minds !



Can you clarify the part about connecting the "power supply" to the ESC ?  Normally one would connect the lipo battery to the ESC, so the big question is whether you were using any external "power supply" ?

Most likely you had some part of the connection wrong.  The overall connection setup should look like this :

http://www.rcindia.org/electric-power/my-esc-and-motor-burnt/?action=dlattach;attach=618172
« Last Edit: July 30, 2010, 03:09:25 PM by anwar » Logged

Hangar : Please see my introduction.
RC India forum and me : About this forum.
 

Read
« Reply #2 on: July 30, 2010, 05:00:22 PM »
chanduvcrc
Heli Lover
Active Member
**

Reputation Power: 1 
chanduvcrc has no influence.
Offline Offline

City: LUCKNOW
State: Uttar Pradesh
RC Skills: Beginner
Posts: 24
Join Date: Feb, 2010



Thanx for the reply Anwar Salute Salute

I would like to know you that I was connected it in the same manner as you display in photo. But I don't know what happened exactly.

I guess my possible error is:-

1. Connecting wrong wire goes into receiver from ESC. Bang Head Bang Head
2. When I opened the ESC shrink tube I noticed that a little amount of moisture in ESC's heat shrink. Bang Head Bang Head
3. My Turnigy 2500mAH lipo's manufacturing defect. Bang Head Bang Head

My question is that what is the possible error of frying the ESCs?
Logged
 

Read
« Reply #3 on: July 30, 2010, 05:37:56 PM »
anwar
Administrator
Forum Hero

*****

Reputation Power: 141 
anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!
Offline Offline

City: Doha (Qatar) & Thrissur
State: Kerala
RC Skills: Advanced
Posts: 11619
Join Date: Mar, 2009

RC India - Flying and racing with open minds !



Just to double check... in your first post, you mean the "lipo" when you said "power supply" ?

Also, was this the very first time you used this ESC ?

If you connection is per the diagram I pointed to, then I am not sure how the "connecting wrong wire goes into receiver from ESC" can happen.  Like I said before, it is most like due to wrong connections. It can happen (but is pretty rare) that the ESC was defective, that is why asked about whether this is the first time you used it.
Logged

Hangar : Please see my introduction.
RC India forum and me : About this forum.
 

Read
« Reply #4 on: July 30, 2010, 06:26:11 PM »
medicineman1987
Plane Lover
Forum Hero

*****

Reputation Power: 7 
medicineman1987 has no influence.
Offline Offline

City: Margao
State: Goa
RC Skills: Beginner
Posts: 634
Join Date: Apr, 2010



how about uploding a simple diagram (using MS paintbrush) as to how you connected everything together..
Logged

"The day you stop playing with your toys is the day you start getting ready to die.."

FlySky 9x (with ER9x,  backlight mod &  dual module hack) | Futaba SkySport 4VF (with 5th channel hack) | Glidiator - scratchbuilt 60" electric glider | SkySurfer | Scratchbuilt Tricopter | FT Nutball |  .46 Glow trainer (electric conversion in progress)
 

Read
« Reply #5 on: July 30, 2010, 07:02:37 PM »
RotorZone
Forum Administrator
Forum Hero

*****

Reputation Power: 8 
RotorZone has no influence.
Offline Offline

City: Bangalore
State: Karnataka
RC Skills: Advanced
Posts: 607
Join Date: Mar, 2009

RotorZone.com



2. When I opened the ESC shrink tube I noticed that a little amount of moisture in ESC's heat shrink. Bang Head Bang Head

Water and electronics don't mix. How did the moisture get there ?

I was avoiding this thread because of the words blast and explosion. That would scare off any newbies and people  who are not familiar. ESC is just an electronic device and doesn't contain anything that can explode. Worst case, the electrolytic caps can pop off if you apply reverse polarity. Suggest you edit the post after you have come to terms with your loss.
Logged

 

Read
« Reply #6 on: July 30, 2010, 07:23:51 PM »
controlflyer
Heli Lover
Forum Hero

*****

Reputation Power: 10 
controlflyer has no influence.
Offline Offline

City: Panaji
State: Goa
RC Skills: Intermediate
Posts: 848
Join Date: Jul, 2010

when I am sober my heli is drunk..



This is a simple paint brush diagram for helicopter setup.
I hope it helps.

Dorwin.

Helicopter Wiring!.jpg
Re: Blast my ESC
* Helicopter Wiring!.jpg (42.42 KB, 800x484 - viewed 228 times.)
Logged

Money flies when the transmitter is ON...
 

Read
« Reply #7 on: July 30, 2010, 07:27:41 PM »
controlflyer
Heli Lover
Forum Hero

*****

Reputation Power: 10 
controlflyer has no influence.
Offline Offline

City: Panaji
State: Goa
RC Skills: Intermediate
Posts: 848
Join Date: Jul, 2010

when I am sober my heli is drunk..



Dont mind the LIPO value! It was printed for my personal use!
Logged

Money flies when the transmitter is ON...
 

Read
« Reply #8 on: July 30, 2010, 07:52:52 PM »
medicineman1987
Plane Lover
Forum Hero

*****

Reputation Power: 7 
medicineman1987 has no influence.
Offline Offline

City: Margao
State: Goa
RC Skills: Beginner
Posts: 634
Join Date: Apr, 2010



chanduvcrc, can you post a diagram of your setup like controlflyer has posted? We may be able to help you diagnose the problem..
Logged

"The day you stop playing with your toys is the day you start getting ready to die.."

FlySky 9x (with ER9x,  backlight mod &  dual module hack) | Futaba SkySport 4VF (with 5th channel hack) | Glidiator - scratchbuilt 60" electric glider | SkySurfer | Scratchbuilt Tricopter | FT Nutball |  .46 Glow trainer (electric conversion in progress)
 

Read
« Reply #9 on: July 30, 2010, 08:37:30 PM »
vinay
Global Moderator
Forum Hero

*****

Reputation Power: 20 
vinay barely matters.vinay barely matters.
Offline Offline

City: Bangalore
State: Karnataka
RC Skills: Beginner
Posts: 1754
Join Date: Sep, 2009



1. Connecting wrong wire goes into receiver from ESC. Bang Head Bang Head

This should not cause a problem, It just powers the reciever and listens for the signal from that channel. As Rajesh said, the polarity might be wrong. Also by mistkae the company might have soledered the wire wrong internally. battery wont be a problem.

Just wondering if there was a short inside the motor coils that might have overloaded the ESC. Just my 2 cents.
Logged
 

Read
« Reply #10 on: July 30, 2010, 10:32:20 PM »
anwar
Administrator
Forum Hero

*****

Reputation Power: 141 
anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!
Offline Offline

City: Doha (Qatar) & Thrissur
State: Kerala
RC Skills: Advanced
Posts: 11619
Join Date: Mar, 2009

RC India - Flying and racing with open minds !



Water and electronics don't mix. How did the moisture get there ?

The big question is... is it really moisture ?  Can it be melted glue of some kind or even part of the stuff inside capacitors ?
Logged

Hangar : Please see my introduction.
RC India forum and me : About this forum.
 

Read
« Reply #11 on: July 30, 2010, 11:09:02 PM »
chanduvcrc
Heli Lover
Active Member
**

Reputation Power: 1 
chanduvcrc has no influence.
Offline Offline

City: LUCKNOW
State: Uttar Pradesh
RC Skills: Beginner
Posts: 24
Join Date: Feb, 2010



Fellas..... Sorry for my confusing & dreadful language like blast. It was the capacitor which pop off. But friends I am a newbie and even a small pop off in electronics feels like "blast" to me.

Anwar dear, power supply means its just the lipo and you are right I examined the ESC thoroughly and it is some kind of paste inside the capacitor which spread out when capacitor pops off .

I had used this ESC about 8-10 flight in my Tigermoth 400. Now I wanted to use it in my newly built pipercub.

Here is my design and original photographs of electronics as connected before accident.

Image.jpg
Re: Blast my ESC
* Image.jpg (30.7 KB, 800x371 - viewed 222 times.)
This post has 3 more images(s)/attachment(s). Please login or register to view them.
« Last Edit: July 30, 2010, 11:32:00 PM by chanduvcrc » Logged
 

Read
« Reply #12 on: July 30, 2010, 11:14:53 PM »
chanduvcrc
Heli Lover
Active Member
**

Reputation Power: 1 
chanduvcrc has no influence.
Offline Offline

City: LUCKNOW
State: Uttar Pradesh
RC Skills: Beginner
Posts: 24
Join Date: Feb, 2010



Tell me if I connect the ESC's triwire (red+black+white) into the receiver wrongly (means if black wire connects into the signal point of receiver instead of negative point) then it is possible to fry the ESC within seconds?

If so, then that was the possible reason of frying my ESC. Because I don't know how to sort out which point is "signal" in receiver.


DSC00195.jpg
Re: Blast my ESC
* DSC00195.jpg (69.72 KB, 800x640 - viewed 171 times.)
This post has 2 more images(s)/attachment(s). Please login or register to view them.
Logged
 

Read
« Reply #13 on: July 30, 2010, 11:55:51 PM »
RotorZone
Forum Administrator
Forum Hero

*****

Reputation Power: 8 
RotorZone has no influence.
Offline Offline

City: Bangalore
State: Karnataka
RC Skills: Advanced
Posts: 607
Join Date: Mar, 2009

RotorZone.com



In your first set of pictures the polarity is wrong.

In the second set it seems to be proper.
Logged

 

Read
« Reply #14 on: July 31, 2010, 01:16:33 AM »
sujju
Heli Lover
Forum Veteran

****

Reputation Power: 4 
sujju has no influence.
Offline Offline

City: mysore
State: Karnataka
RC Skills: Beginner
Posts: 334
Join Date: Nov, 2009



as rotorzone states the polarity is wring in teh fist set of pics... the white colour is the signal wire and sometimes the esc / servos have orange, red and brown wires, then orange is the signal side...if you place the servo wires reverse from the esc to the rx nothing will happen to the esc or the rx

Fellas..... Sorry for my confusing & dreadful language like blast. It was the capacitor which pop off. But friends I am a newbie and even a small pop off in electronics feels like "blast" to me.

Anwar dear, power supply means its just the lipo and you are right I examined the ESC thoroughly and it is some kind of paste inside the capacitor which spread out when capacitor pops off .

I had used this ESC about 8-10 flight in my Tigermoth 400. Now I wanted to use it in my newly built pipercub.

Here is my design and original photographs of electronics as connected before accident.
Logged

CEO
RcBazaar
 

Read
« Reply #15 on: July 31, 2010, 09:47:47 AM »
rameshtahlan
Plane Lover
Active Member

**

Reputation Power: 2 
rameshtahlan has no influence.
Offline Offline

City: NEW DELHI
State: Delhi
RC Skills: Advanced
Posts: 98
Join Date: Apr, 2010

Fly like hell



hi,
1.   i think the only problem may have been the moisture, if the heat shrink on the esc was transparent, u will see the moisture, and in that case there would have been moisture on the circuit board which would not be visible, dry it out first and only then power up.
2.   As far as the esc connection to motor is conserned, u can connect the 3 wires any which way, does not matter, and if u find the prop rotating in the wrong direction, just interchange any 2 wires and the prop will rotate correctly.
3.    Esc to Rx, simple, only 2 codes being used, black red white, so white is signal, and brown red orange, so orange is signal, and on the rx, if tutaba, u will find a notch on one side of all connector inputs, that is the signal side. and in Jr or spectrum type, the rx body has printed signs -, +, and sighnal which is a wave form looking like a horizontal s.
4.    ESC to Batt, u had better be 1000% correct every time u connect.
5.   One precaution, always connect the lipo last, and disconnect lipo first.after motor and rx have been connected to the esc.
6.   If there was no moisture, then probabily u just got a bad esc, sheer bad luck.
7.   only one other probability remains, that the windings in the motor have been wrong at manufacture, which u will only come to know when u put a new ESC and it too blasts soon after power up.
8.   There have however been case where a 14 turn motor has actually only 10 turn, during manuf, the labeling must have got mixed up or just got wired wrong. Same motor bodies are use with the familiy, say 2204, 8t or 10t, or 12t will use the same body, only the labelling is different for different turns.
9.  In all probability moisture was the cause.
10.   Finally, all the best, and if u Delhi, come home.
Ramesh Tahlan
Logged
 

Read
« Reply #16 on: July 31, 2010, 09:51:54 AM »
chanduvcrc
Heli Lover
Active Member
**

Reputation Power: 1 
chanduvcrc has no influence.
Offline Offline

City: LUCKNOW
State: Uttar Pradesh
RC Skills: Beginner
Posts: 24
Join Date: Feb, 2010



Got it guys Thumbs Up Thumbs Up

"Might be it was happen due to wrong polarity" as many user said.

Thanx for the suggestions. Bow Bow Bow

Logged
 

Read
« Reply #17 on: July 31, 2010, 09:59:32 AM »
rameshtahlan
Plane Lover
Active Member

**

Reputation Power: 2 
rameshtahlan has no influence.
Offline Offline

City: NEW DELHI
State: Delhi
RC Skills: Advanced
Posts: 98
Join Date: Apr, 2010

Fly like hell



hi chanduvcrc,
since u in lucknow, u must be knowing Vibhu, he also in lucknow, and btw, i did my school upto 9th at LaMartinere.
regards
Ramesh Tahlan
Logged
 

Read
« Reply #18 on: July 31, 2010, 10:05:59 AM »
chanduvcrc
Heli Lover
Active Member
**

Reputation Power: 1 
chanduvcrc has no influence.
Offline Offline

City: LUCKNOW
State: Uttar Pradesh
RC Skills: Beginner
Posts: 24
Join Date: Feb, 2010



Thanx ramesh.

As you illustrate in written matter.

I would also like to post some links which are very helpful to newbie for the first time electronic installation.

Part 1:


Part 2:


Part 3:


With best regards Thumbs Up Thumbs Up
Chandra Sekhar
Lucknow
Logged
 

Pages: [1]   Go Up
Jump to:  

Related Topics
Subject Started by Replies Views Last post
Xk K110 Blast
For Sale - Completed
Chennai_hobbist 1 479 Last post June 14, 2020, 02:51:05 PM
by Chennai_hobbist