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Temp and humidity for bike storage

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Hotshoe
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Post by Hotshoe » Sun Nov 28, 2010 11:23 am

With the variables you're dealing with; temperature, humidity and outside air intrusion and using your description of your storage area, what comes to my mind is a containment area.
A few years back I had a company that did mold remediation work, we would set up containment areas using visqueen sheet plastic and "zip wall" braces to control the environment while the crew worked.
You could use the same idea to create a small storage space for your bike inside the storage room and control the variables without having to deal with the whole space.
If it's an idea that you think might work and you need some ideas, let me know.
clarenceada wrote:I have already tried the cold but well ventilated shed/storage rm and that's why I had to re-paint my blue Dream. where I live close to the Oregon coast (12 mi. as the Sea Gulls fly) we have periods of clear and cold when the arctic wind comes from Canada across out-back Washington and Oregon and makes it all the way to the coast for a few days. Then the warm, humid wind will come in from the ocean and condense on the bikes so thick it looked like someone had hit it with a spray hose. My work room has two doors with people going in and out all day; there's no chance of keeping a constant temp. So, the only variable that I can control is the heat setting, and if water condenses on metal colder than the surrounding air , the thing to do is try and keep the bikes warmer than any moist air that may hit it. So I should keep the room as warm as I can afford; which was my first inclination.

Thanks


Clarence

jensen
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Post by jensen » Sun Nov 28, 2010 11:25 am

Hi,

Sorry, I'll learn English one day, thanks being so helpful,

Jensen
assembly of Japanese motorcycles requires great peace of mind (Pirsig)

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davomoto
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Post by davomoto » Sun Nov 28, 2010 2:36 pm

Jensen, your English is a hell of a lot better than my Dutch, or even my Italian, second language for me!

Davo
davomoto
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Snakeoil
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Post by Snakeoil » Mon Nov 29, 2010 10:38 am

I'm not sure why somebody has not mentioned a dehumidifier. If you keep your shop room temperature, which is somewhere between 60F and 70F, you can use a dehumidifier to keep the moisture content of the air low and reduce the risk of moisture corroding your bike, tools, etc.

The dehumidifier will produce some heat as a result of operation so it will help heat your workspace, just not very efficiently. It is bascially an AC unit that runs the air thru a set of coils that condense the moisture in the air and trap the moisture in a bucket for you to dump.

I have a lathe and other machine tools in my basement as well as precision measureing instruments like micrometers. My basement is not a dry area. I run a dehumidifier down there and nothing gets rusty.

The dehumidifier will take the work out of it. Somebody opens a door and lets in some moist air, it will take it out of the air in no time.

The only limititation is you cannot run a dehumidifier in cold temps. Not sure what the threshhold is (probably available on-line) but below a certain temp and the coils start to freeze up. But at that temp, there is so little moisture in the air, it is of little concern.

I suspect a lot of the moisture damage people experience comes from the ground and not the air. The ground is laden with moisture and it seeps thru wood floors in shed and even concrete floors unless there is a vapor barrier under the concrete. For that reason, I have two large plastic floor mats in my shop (9x20) that keep the moisture from coming up into the shop thru the floor. I also park my Miata and my Harley on a plastic tarp in the winter when I store them in my concrete floored pole barn.

Getting back to the dehumidifier, we had an excessively humid summer several years ago. Hovered near 100% humidity with temps in the high 80's and 90's. The toilet tanks in my house were sweating so bad that I thought I had a plumbing leak in one of my bathooms. There was a puddle on the floor. I shut down 2 of the toilets and installed a dehumidifier in the other bathroom and the problem went away. I now have central air so it takes care of the moisture problem in the house now.

If your air is laden with salt, you have a challenge keeping the rust from forming. But salt is only active when wet so keeping the moisture down does help a great deal.

regards,
Rob

jensen
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Post by jensen » Mon Nov 29, 2010 11:19 am

Hi,

After filling in the dew point calculator, it is clear that a relative humidity of 55% is in the green area, no corrosion will appear when the temperature is constant, or not varied very quickly.

Did anyone use the calculator ?

Jensen
assembly of Japanese motorcycles requires great peace of mind (Pirsig)

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