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Old 08-31-2012, 12:30 PM   #1
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Austin , Texas
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AC Runoff, Drip Rail or Drip Cap?

Hey everyone.

My AC unit tends to want to pour excess water down right over the large side window on my '66 Globetrotter, and despite all of my attempts to make sure it's not leaking, the design from those years has made sure that it is. The leaks are right over a custom upholstered bench as well which has been making me rather nervous.

I had been thinking of going with a product similar to this...

Taco Metals - 3/4" Aluminum Drip Moulding - 3/4" H x 9/16" W x 12' L

But had come across this...

VintageCampers.com :: Vintage Campers, Vintage Trailers, Vintage Parts, Vintage Restorations

Does anyone have an opinion on which works better?

My fear with the cap is that water run off would have enough surface tension that it would just curl up underneath the cap and still hit the window. The cap does likely look better though.

I'm sure with the moulding that's entirely less likely, and the streams would end up being completely diverted to whichever side of the rail was at the lower end of the trailer.

Can anyone confirm or deny my suspicions?
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Old 08-31-2012, 01:45 PM   #2
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So do you know if your trailer was originally air-conditioned, and if so do you have an Airstream-compatible AC model on it now? The "Airstream Way" is to collect the condensate in an internal pan and direct it down a tube that usually comes out next to a wheel well... not an easy thing to retrofit, but a nice feature when it's working right, since we use our AC units so much in TX.
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Old 09-03-2012, 11:27 AM   #3
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Quote:
Originally Posted by AustinToast View Post
Hey everyone.

My AC unit tends to want to pour excess water down right over the large side window on my '66 Globetrotter, and despite all of my attempts to make sure it's not leaking, the design from those years has made sure that it is. The leaks are right over a custom upholstered bench as well which has been making me rather nervous.

I had been thinking of going with a product similar to this...

Taco Metals - 3/4" Aluminum Drip Moulding - 3/4" H x 9/16" W x 12' L

But had come across this...

VintageCampers.com :: Vintage Campers, Vintage Trailers, Vintage Parts, Vintage Restorations

Does anyone have an opinion on which works better?

My fear with the cap is that water run off would have enough surface tension that it would just curl up underneath the cap and still hit the window. The cap does likely look better though.

I'm sure with the moulding that's entirely less likely, and the streams would end up being completely diverted to whichever side of the rail was at the lower end of the trailer.

Can anyone confirm or deny my suspicions?
The original 66 AC was made by Armstrong.

There was a drain line installed at the bottom of the interior pan.

If water runs over the side, then that drain is plugged up.

Or, if you have a different AC, drain pans were used so that the water was direct to come out behind the left side rearmost wheel.

If there is no drain pan, then the water can only go over the side of the trailer.

It's not an AC problem, but it is an installation problem.

Andy
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Old 09-04-2012, 12:12 AM   #4
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Austin , Texas
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The design of the Penguin 2 seems to make it have a rather large rear-end, so the people at the dealer suggested, and I agreed, to have it installed in the middle between the two original vents. I'm guessing that put it out of range of the original drainage system.

It is pouring off the direction that you're saying, but because it's been moved forward of that axle, it's draining right down the middle of that large side window.

I'd love to have a drain line installed that fixed this problem, but I just don't have the money or the available time to put it into the shop for that kind of retrofit.

That's why I was looking at the "gutter" options for the window, it's become a real issue.
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