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Old 05-07-2009, 17:09   #16
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maybe the same as " High Air Capacity" the term Hella uses
the turbo is listed at 95 litres per second@ high speed
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Old 05-07-2009, 17:33   #17
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try the Caframo fan Home Depot 24.95 Worst Marine 50.00
Would this Caframo fan have a model name or number? Thanks, Chris
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Old 05-07-2009, 19:05   #18
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or you can just go to walmart and buy their automotive fans...

i bought three about four years ago. cost eight bucks apiece, if memory serves me. still running. they can be set to oscillate. they come with 'gripper' type clips so you can hang them most anywhere - near a hatch comes to mind. if you're worried about reliability buy a spare or two.

some guys on this board have way too much money.....
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Old 05-07-2009, 19:19   #19
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I just ordered 3 Guest model 900 fans to bring as spares when we are out cruising. They were kind of expensive ($65 each) but I really prefer a fan that oscillates. We currently have 7 Guest fans installed on the boat but they are all over 10 years old so I figured we better have a few spares on hand.
We also have two of the Endless Breeze 12 volt box fans that I really like using when it starts getting warm.
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Old 05-07-2009, 19:28   #20
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There is another way

3 or 4 scantily clad women armed with palm fronds, works for me. It is hard work catching enough fish to feed them all.
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Old 06-07-2009, 04:43   #21
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Now here’s a fan fan that should satisfy anyone’s ventilation needs. A little larger than most, and definately power-hungry; but it do blow air ...

Tornado Electric Fan - 2175 CFM - DER16516

Fan Diameter (in): 16.000 in.
Height (in): 15.750 in.
Width (in): 16.690 in.
Thickness (in): 3.900 in.
Maximum Fan CFM: 2,175 cfm
Maximum Fan RPM: 1,680 rpm

Amp Draw: 18.40 amps
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Old 06-07-2009, 06:18   #22
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Now here’s a fan fan that should satisfy anyone’s ventilation needs. A little larger than most, and definately power-hungry; but it do blow air ...
18 AMPS! Good God! I'm gonna need bigger solar panels! Now lets see...8 fans times 18 amps...
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Old 06-07-2009, 06:45   #23
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One of my crew, back when I delivered charter boats, came up with a great device. Picked up a cheap 120V AC floor fan and made a plastic housing for it so it fit into the forward hatch. Hooked up a small inverter and set the fan to blow up and out of the hatch. If you have hatches or vents over the bunks or any other area you want to cool open these and close off any other hatches. Sucks in a great breeze even on very low speed setting. Seemed to draw little power but as this was years ago cannot verify the power draw.

Have not looked but wonder if there are 12 V floor fans that would do the same thing?

Brilliant idea!! Like an attic fan.

In my childhood growing up in the Deep South, many houses had yet to have air conditioning installed. With an attic fan sucking out big volumes of hot air through the top of the house, and big volumes of cool air into the windows at night, you could be comfortable even in 90 degree weather, especially in old houses with high ceilings.

Why wouldn't the same principle work on a boat? I can't believe no one thought of this before.
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Old 06-07-2009, 06:47   #24
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18 AMPS! Good God! I'm gonna need bigger solar panels! Now lets see...8 fans times 18 amps...
That was a joke. It's an engine cooling fan.
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Old 06-07-2009, 07:30   #25
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... With an attic fan sucking out big volumes of hot air through the top of the house, and big volumes of cool air into the windows at night, you could be comfortable even in 90 degree weather, especially in old houses with high ceilings.
Why wouldn't the same principle work on a boat? I can't believe no one thought of this before.
I believe they have:

Marine Ventilation Manual:
http://www.marinco.biz/files/media/g...t%20manual.pdf

http://www.marinco.biz/brand/nicro
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Old 06-07-2009, 14:18   #26
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That was a joke. It's an engine cooling fan.
I am aware... didn't you see my smiley faces?
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Old 06-07-2009, 14:25   #27
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Personally I cannot see paying 60 or 80 dollars for a fan. discount stores sell cheap 12volt fans for around 8 to 12 dollars apiece. If they last three years it will take 18 years to make up the cost of the Hella.
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Old 06-07-2009, 14:54   #28
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Personally I cannot see paying 60 or 80 dollars for a fan. discount stores sell cheap 12volt fans for around 8 to 12 dollars apiece. If they last three years it will take 18 years to make up the cost of the Hella.
... but if the $12 fan only lasts 3 months, there's no price that would justify cheaping out, whilst on a 6 month (or longer) cruise.

Notwithstanding, I recall one A-hole (are you out there Tom S.) that burned out 4-5 expensive Hella fans (replaced under warranty) over a summer.

Understandably (to me) West Marine finally suggested something may be wrong on his boat, and (refunding his money) suggested he buy elsewhere. He refused all offers of help, preferring to blame the retailer & manufacturer.

Possible; but after at least 4 "early" failures (in weeks), not likely.
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Old 06-07-2009, 15:02   #29
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yup

go go go


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Old 06-07-2009, 15:12   #30
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I recall one A-hole (are you out there Tom S.) that burned out 4-5 expensive Hella fans (replaced under warranty) over a summer.
What can possibly burn out fans that quick? An under or more likely over-voltage problem perhaps? I remember reading a while back that Hella released a load of fans with bad motors...could have something to do with it. I have 8 Hellas, my friend's Pacific Seacraft has 6...and no failures in years. I get where Nick on Rhosyn Mor is coming from though. He has some real experience under his belt, has cruised in some HOT GD places, and some of those cheap fans are also oscillators too! There is more than one way to blow on a cat this time!

BTW, I bought all my Hellas on eBay for no more than $50 US... uh oh, there gos my source!
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