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flstskeith

Illinois

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Posted: 07/25/10 05:48pm Link  |  Print  |  Notify Moderator

anyone attempt to use a boat bilge blower for fridge coil cooling. There are so many different choices to fit your app. Just wondering of the noise level?





Ivylog

Blairsville, Ga. USA

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Posted: 07/25/10 06:10pm Link  |  Print  |  Notify Moderator

Guess any fan is better than no fan, BUT they draw way too many amps. Look at the size of the wire used and you will see why a computer fan is a better choice.
I added this $10 fan from Radio Shack. Look at the size of the two wires.



This post is my opinion (free advice). It is not intended to influence anyone's judgment nor do I advocate anyone do what I propose.

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SCVJeff

Santa Clarita, CA.

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Posted: 07/25/10 10:40pm Link  |  Print  |  Notify Moderator

I agree. A bilge blower is WAY WAY overkill for this job. All you want to do is create a draft.

I installed these on the top of the cavity to draw air out and augment the 2 already on the fridge. Total draw is less than 250ma.



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TXiceman

(Near) Houston,TX

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Posted: 07/26/10 08:16am Link  |  Print  |  Notify Moderator

A 3" or 4". 12 VDC muffin fan from Radio Shack will work well. I prefer to mount them in the top of the vent rather than the bottom.


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Kemahsabe

Kemah, TX

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Posted: 07/26/10 09:45am Link  |  Print  |  Notify Moderator

Wow! Have you HEARD a bilge blower? Mine makes more noise than both engines combined!

I installed a 12v muffin fan in my RV to assist in fridge cooling.

Dancing Bear

upstate New York

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Posted: 07/26/10 11:09am Link  |  Print  |  Notify Moderator

I use a computer muffin fan wire directly to a small solar panel.

AndyLyyc

Calgary

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Posted: 07/26/10 11:34am Link  |  Print  |  Notify Moderator

Computer cooling fan - Look around make sure you're getting a brushless motor. Some of the cheaper ones aren't - and wont last.

Andy

SCVJeff

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Posted: 07/26/10 06:17pm Link  |  Print  |  Notify Moderator

Dancing Bear wrote:

I use a computer muffin fan wire directly to a small solar panel.
I tried that with the stock 15W panel and the fan often wouldn't spin up between start current and panel output.

Dancing Bear

upstate New York

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Posted: 07/27/10 06:40am Link  |  Print  |  Notify Moderator

SCVJeff wrote:

Dancing Bear wrote:

I use a computer muffin fan wire directly to a small solar panel.
I tried that with the stock 15W panel and the fan often wouldn't spin up between start current and panel output.


Wow! I'm just using a small panel from a inexpensive solar powered motion sensor light and it powers up the fan even in less than full sun. This has been a stand alone installation since the spring of 2009.

flstskeith

Illinois

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Posted: 07/27/10 03:33pm Link  |  Print  |  Notify Moderator

Thanks all,,,,,,,,,,, I got 2 fans from RS and combined its only 600ma. Plenty of draft also.

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