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Colin Broughton · 01-22-2016, 06:01 PM

I have a yge 160 with a heat sink which is not attached any longer

What procedure should I take to attach it before heat shrinking it again? I'm assuming some sore of paste is involved

K2Freak · 01-22-2016, 06:49 PM

I'm not an electronics guy, but I'll start it off.

Heat sink compound from local computer store, or thermal tape made for the same purpose. It doesn't look like it was well bonded before - I'd put a small dab on each FET so that they make full contact.

HeliAxe · 01-22-2016, 10:40 PM

This should help.

https://www.helifreak.com/showthread.php?t=694289

K2Freak · 01-23-2016, 08:03 AM

Yea, just use the paste (sparingly), since you have a good mechanical bond with the brackets.

Colin Broughton · 01-23-2016, 08:21 AM

Excellent, thanks guys appreciate your input

HeliAxe · 01-23-2016, 02:40 PM

Also, be careful when clamping on the metal heatsink not to apply to much pressure on the ESC boards. I have never owned one of these YGE heatsinks so what I say may not apply, however I have seen a guy's YGE go up in smoke because he tightened up his ESC with zip ties really tight and squashed the two boards together and they touched. When he plugged the battery in, out came the magic white smoke

crf69 · 01-27-2016, 08:00 PM

may i ask how it became unattached?

newbheliusr · 01-28-2016, 12:21 PM

It looks like he bought heatsink separately.

Colin Broughton · 02-01-2016, 08:25 AM

Quote:

Originally Posted by crf69

may i ask how it became unattached?

I bought it used and I believe he removed the heatsink to make it fit into a Goblin airframe.

Staub · 02-01-2016, 05:59 PM

There is a thread in the YGE forum that says the heat-sink does not have to touch the FETs. There is are pictures and an explanation from YGE themselves. Personally, I would put some electrical tape between the power leads and the heat-sink.

urgno · 02-19-2016, 05:01 AM

the yge heatsink dissipate also from the sides of the board where are all negative copper layers

very important is to remember that all the heatsink is connected to negative
so be sure to never short with positive / any of motor cables

01-22-2016, 06:01 PM	#1 (permalink)
Colin Broughton Registered Users Join Date: Feb 2012 Location: Chilliwack, British Columbia	Attaching heatsink question I have a yge 160 with a heat sink which is not attached any longer What procedure should I take to attach it before heat shrinking it again? I'm assuming some sore of paste is involved __________________ HELIDIRECT - HOBBYWING - XNOVA - XPERT - PULSE - ROTOR TECH

01-22-2016, 06:49 PM	#2 (permalink)
K2Freak Registered Users My HF Map location Join Date: Mar 2009 Location: Samish Island, WA	I'm not an electronics guy, but I'll start it off. Heat sink compound from local computer store, or thermal tape made for the same purpose. It doesn't look like it was well bonded before - I'd put a small dab on each FET so that they make full contact. __________________ AMA 373608

01-22-2016, 10:40 PM	#3 (permalink)
HeliAxe Registered Users Join Date: Jan 2011	This should help. https://www.helifreak.com/showthread.php?t=694289 __________________ Goblin 380, 420, 500, 570, 700. Soon RAW 420 & RAW 6s Piuma

01-23-2016, 08:03 AM	#4 (permalink)
K2Freak Registered Users My HF Map location Join Date: Mar 2009 Location: Samish Island, WA	Yea, just use the paste (sparingly), since you have a good mechanical bond with the brackets. __________________ AMA 373608

01-23-2016, 08:21 AM	#5 (permalink)
Colin Broughton Registered Users Thread Starter Join Date: Feb 2012 Location: Chilliwack, British Columbia	Excellent, thanks guys appreciate your input __________________ HELIDIRECT - HOBBYWING - XNOVA - XPERT - PULSE - ROTOR TECH

01-23-2016, 02:40 PM	#6 (permalink)
HeliAxe Registered Users Join Date: Jan 2011	Also, be careful when clamping on the metal heatsink not to apply to much pressure on the ESC boards. I have never owned one of these YGE heatsinks so what I say may not apply, however I have seen a guy's YGE go up in smoke because he tightened up his ESC with zip ties really tight and squashed the two boards together and they touched. When he plugged the battery in, out came the magic white smoke __________________ Goblin 380, 420, 500, 570, 700. Soon RAW 420 & RAW 6s Piuma

01-27-2016, 08:00 PM	#7 (permalink)
crf69 Registered Users My HF Map location Join Date: Aug 2011	may i ask how it became unattached? __________________ you should look into it...........

01-28-2016, 12:21 PM	#8 (permalink)
newbheliusr Registered Users Join Date: Apr 2011	It looks like he bought heatsink separately. __________________ Heli's I have: Goblin 500 (Vbar Neo), Gaui X5(Vbar Neo), X7(Vbar Neo), Innova 600 Night heli (Vbar Neo Vbar Vcontrol I'm the not so newbheliusr as I have been here a while. But I like this name.

02-01-2016, 05:59 PM	#10 (permalink)
Staub Registered Users Join Date: Jan 2013	There is a thread in the YGE forum that says the heat-sink does not have to touch the FETs. There is are pictures and an explanation from YGE themselves. Personally, I would put some electrical tape between the power leads and the heat-sink.

02-19-2016, 05:01 AM	#11 (permalink)
urgno Registered Users My HF Map location Join Date: Jun 2007	the yge heatsink dissipate also from the sides of the board where are all negative copper layers very important is to remember that all the heatsink is connected to negative so be sure to never short with positive / any of motor cables __________________ my Prôtos twins & Acrobat Shark ...............

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