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Old 04-07-2016, 06:56 PM   #1
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Anybody make a SealTec type air blower

I've looked at most all the youtube videos and haven't seen a good simple home made blower.

How do I measure the air pressure in the coach?

Nearest dealer is 200 miles away.

thanks

pointrow
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Old 04-07-2016, 07:24 PM   #2
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Check this thread out. One individual Post #19 developed what looks to be a relatively inexpensive way to perform the test. If a person could control the speed via a rheostat I think you could then follow what is shown in the you tube video in post #1 to measure the pressure.

Testing for Water Leaks
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Old 04-08-2016, 08:01 AM   #3
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That's the kind of idea I'm looking for. I was trying to avoid a blower on the roof but I'll have to work up there to check for leaks anyway.

thanks
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Old 04-08-2016, 11:46 AM   #4
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Keep me posted if you build something like this as I'm thinking of doing the same thing. Key is how heavy would the blower be and can a person or two put it on the roof relatively easy to do the test. If I had something like this I would probably test my coach every year to insure all leaks were sealed.
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Old 04-08-2016, 04:15 PM   #5
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I'll admit that I tried once. I took a leaf blower and sealed it to a window. It may have worked, I would never know because the leak was in a spot you couldn't spray or see, even if you knew where it was at.
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Old 04-08-2016, 05:12 PM   #6
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Quote:
Originally Posted by Dutch Star Don View Post
I'll admit that I tried once. I took a leaf blower and sealed it to a window. It may have worked, I would never know because the leak was in a spot you couldn't spray or see, even if you knew where it was at.
I have thought of an leaf blower.
Were you able to determine how much air pressure was created inside? SealTec uses .6-.8 inches of water column, not sure how many psi that is.
I have read somewhere that over 2 psi can push your windshield out of it's molding.
thanks
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Old 04-08-2016, 06:17 PM   #7
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No idea on the pressure. I checked where I though it was leaking, but nothing. It took two years to finally find the leak. Hard to do when you live in California and rarely get rain.
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Old 04-08-2016, 06:41 PM   #8
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Quote:
Originally Posted by Dutch Star Don View Post
No idea on the pressure. I checked where I though it was leaking, but nothing. It took two years to finally find the leak. Hard to do when you live in California and rarely get rain.

Thanks:
I just figure it would be nice to be able to air test my coach every year or so just as a maintenance issue. It would kind of take the guess work out of looking at caulking and determining if its good or not.
later
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