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Copaslip thermal conductivity?

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skatefreak
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PostPosted: 12:41 - 12 May 2013    Post subject: Copaslip thermal conductivity? Reply with quote

Afternoon all.
Well, changed the reg/rec on the CBR600 and this one gets pretty hot to although it is a repo of the standard one.
Anywho, someone has scored the plate where the reg is situated (not going to ask) and am thinking some copaslip between there will help transfer some of the heat from the reg.

Anyone tried this?

-Jvr
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Shinigami
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PostPosted: 12:48 - 12 May 2013    Post subject: Reply with quote

i'm gonna be mounting my new reg/reg with some cpu cooling compound in hopes it lasts a bit longer
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skatefreak
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PostPosted: 13:17 - 12 May 2013    Post subject: Reply with quote

Yep,
CPU Cooling paste would be nice (and i will throw a fan on there as my brother has loads of them) but I need to use the bike tomorrow and taking it for a 10 minute ride and the reg got really hot (due to the scoring behind the reg I don't think there is a huge amount surface contact going on...).
Doing a little googling reveals some think it has decent thermal conductivity.
The copper element will be good no doubt but copaslip does has an oil element to it and I'm not 100% sure if this will help/hinder the thermal conductivity.

Will have a stab and see how it goes.
Cheers for the reply though.

-Jvr
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Robby
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PostPosted: 15:41 - 12 May 2013    Post subject: Reply with quote

The effect will be negligible. If you want to have a decent reg/rec, get a MOSFET one, they don't break. Don't worry too much about additional cooling and heat sinking, some standard reg/recs will just go on for ages, and some will fail in a few months.
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Walloper
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PostPosted: 18:10 - 12 May 2013    Post subject: Reply with quote

Copperslip will just be squeezed out and run off when heated.

the bolt should carry off enough heat.
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Shinigami
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PostPosted: 18:48 - 12 May 2013    Post subject: Reply with quote

i'll be looking at a mosfet one if (or more likely when) the next reg/rec fails
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ZebraDriver
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PostPosted: 19:19 - 12 May 2013    Post subject: Reply with quote

Walloper. Where do you buy your copaslip from? The real stuff, made by Molyslip is suitable for use up to 1100 degrees C, thats why you can put it on the back of brake pads to help prevent brake squeal. Perhaps the reg/rect on your bike needs checking out if its getting to temperatures where it melts.

ZD
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Islander
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PostPosted: 19:26 - 12 May 2013    Post subject: Reply with quote

Walloper wrote:
Copperslip will just be squeezed out and run off when heated.

the bolt should carry off enough heat.


Unusual to disagree with you, but...

I doubt it - it's good for higher temperatures than a reg/rec will produce. The copper content will help with heat transfer but proper heatsink compound will be much better. The idea is to dissipate heat across the back of the device as well as the fins - the bolts will be electrically isolated anyway and probably won't transfer heat that well.
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instigator
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PostPosted: 19:40 - 12 May 2013    Post subject: Reply with quote

Robby wrote:
The effect will be negligible. If you want to have a decent reg/rec, get a MOSFET one, they don't break. Don't worry too much about additional cooling and heat sinking, some standard reg/recs will just go on for ages, and some will fail in a few months.


Buy Electrex MOSFET. Thumbs Up
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Walloper
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PostPosted: 20:03 - 12 May 2013    Post subject: Reply with quote

Islander wrote:
Walloper wrote:
Copperslip will just be squeezed out and run off when heated.

the bolt should carry off enough heat.


Unusual to disagree with you, but...

I doubt it - it's good for higher temperatures than a reg/rec will produce. The copper content will help with heat transfer but proper heatsink compound will be much better. The idea is to dissipate heat across the back of the device as well as the fins - the bolts will be electrically isolated anyway and probably won't transfer heat that well.


I don't know what happened. I think someone has hacked in to my account Shocked

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