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Ram air coolers?

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DubbyFan Wolfsburg Wizard

518 posts · joined Nov 2010 ·

#895256
Not sure what they are called and I would imagine they are exy ($$$) these days as they are very desirable.

I was wondering if anyone has had a go at making one of these, from what I can remember the air goes through the
unit passing over water inside the thing and the cool air blows into the car cooling the interior.

Fairly simple so would imagine not too hard to replicate, anyone tried to make one?

PS What are they called, thanks.......

Smiley Veteran Volks Folk

2,125 posts · joined Oct 2008 ·

#895259
DubbyFan wrote:What are they called, thanks.......
Swamp coolers are what they are commonly referred to as.
I'm not sure if that's the correct name for them though.

Haven't seen any of them about for a long while.



Smiley 🙂
If you said I was a Volkswagen man, you'd be right.

vwo60 Veteran Volks Folk

2,036 posts · joined Feb 2007 ·

#895270
you can see them for sale on the samba

General_Failure Use your head, don't abuse it!

1,036 posts · joined Jun 2004 ·

#895776
I've been looking for internal shots of these things for ages because surely it can't be too hard to make a work-alike.
If at first you don't succeed. Build, build again.
Vehicle: 1975 Special order delivery walkthrough panel based LCA pop-top camper. Motor: Nippon 1.8L Single port Wasserboxer, Transmission: 3 rib 002.

IanJ Learner Dubber

18 posts · joined Jan 2010 ·

#895782
There are a few how to's on the web.

General_Failure Use your head, don't abuse it!

1,036 posts · joined Jun 2004 ·

#895784
I can make one of those bucket coolers. it's more the old window mount ones and friends that interest me. I often thought that a modified version of their design would go nicely in behind the roo bar against the front vent on my camper. The only real functional difference would be intake position. Besides that it's all in the dimensions really.
If at first you don't succeed. Build, build again.
Vehicle: 1975 Special order delivery walkthrough panel based LCA pop-top camper. Motor: Nippon 1.8L Single port Wasserboxer, Transmission: 3 rib 002.

IanJ Learner Dubber

18 posts · joined Jan 2010 ·

#895792
Nice find 😁👍

bajachris88 The international telephone dialing code for Antarctica is 6

6,661 posts · joined Apr 2005 ·

#895798
You need a dry heat climate for it to work.

The water evaporates which in turn cools the air. If its hot and humid, the water isn't going to be too keen to evaporate well, and it will just make the interior more humid.
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69' baja: kombi box, thing spindles, irs, disc front, type 3 rear drums, 2 inch lift kit, 31x10 rears. 👍
New engine in process: 94mm p&bs, 74mm C/w chomol Crank, 35.5x39 SP heads, turbo. Wierd combo, hopeful torque monsta!

annosL Officially Full-On Dubber

378 posts · joined Dec 2008 ·

#895817
Most of the USA ones are for LHD, passenger window, wouldn't be many RHD drive ones about

General_Failure Use your head, don't abuse it!

1,036 posts · joined Jun 2004 ·

#895840
bajachris88 wrote:You need a dry heat climate for it to work.

The water evaporates which in turn cools the air. If its hot and humid, the water isn't going to be too keen to evaporate well, and it will just make the interior more humid.
Very true. Makes them perfect for around these parts. To date we haven't really had a day that the evaporative cooler on the house has fallen flat on so an automotive one wouldn't be too bad.

annosL That's a good point but those things fetch a premium anyway.

Maybe 4 or 5 years back something odd appeared in an ALDI catalog. It was a cylindrical looking car evaporative cooler. It never appeared in the store. I was really irritated about that.

During the heat waves about 4 years ago the grid collapsed and left everyone in 40+ night with no power. I stole one of the car batteries, connected it to the 300W inverter and ran a portable evaporative cooler we had. One of those cheapie ones with the material belt in it. It did the job well enough. Personally I think the ones with the stationery mat work better but it worked. I've also used that cooler in the pop top caravan successfully, so I think the potential of a more modern / homebrew portable evaporative one would be quite high for people.
If at first you don't succeed. Build, build again.
Vehicle: 1975 Special order delivery walkthrough panel based LCA pop-top camper. Motor: Nippon 1.8L Single port Wasserboxer, Transmission: 3 rib 002.