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Forum Index : Solar : Pizza pie heat sink

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sgaede
Newbie

Joined: 27/07/2019
Location: United States
Posts: 7
Posted: 02:13pm 07 Dec 2021
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Working on warp speed's simplified hot water circuit I found a need for a cheap heat sink.

The one on the right cost $12 US on Amazon. I think I'm gonna need a robust heat sink please help if you can
 
sgaede
Newbie

Joined: 27/07/2019
Location: United States
Posts: 7
Posted: 08:18pm 07 Dec 2021
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So I will try it without the fan with
Will have 2 2" holes for natural ventilation on  (1 at the bottom the other towards the top cut in the back )
This is designed to fit in a 12x12x4" screw lid junction box
It weights in 1 1/2 lbs.68 kilograms
The vents will be 2" reptile vents (screen covered)
Will use curved parts of pizza pan to direct airflow
All I got for now
KindRegards
Steve
 
sgaede
Newbie

Joined: 27/07/2019
Location: United States
Posts: 7
Posted: 08:21pm 07 Dec 2021
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sgaede
Newbie

Joined: 27/07/2019
Location: United States
Posts: 7
Posted: 08:21pm 07 Dec 2021
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sgaede
Newbie

Joined: 27/07/2019
Location: United States
Posts: 7
Posted: 08:45pm 07 Dec 2021
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Last photo for today
 
mad jack

Newbie

Joined: 26/06/2020
Location: United States
Posts: 11
Posted: 03:35am 08 Dec 2021
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I would like to see the Mosfets centered on the heatsinks to make better use of conduction of heat but I like the junction box idea , I use them for outdoor combiner boxes
 
poida

Guru

Joined: 02/02/2017
Location: Australia
Posts: 1416
Posted: 09:07am 15 Dec 2021
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looks good.
I have no idea what you are building though.
wronger than a phone book full of wrong phone numbers
 
sgaede
Newbie

Joined: 27/07/2019
Location: United States
Posts: 7
Posted: 07:16pm 27 Dec 2021
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So this is what I ended up with after finding out that a 12x12x4 pvc Junction box was $55

By going to a 12x8x4 junction box I-saved $20($35)
 
bob.steel
Senior Member

Joined: 27/02/2020
Location: Australia
Posts: 188
Posted: 10:36pm 12 Feb 2022
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Perhaps thats why mine kept exploding?
 
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