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Old 07-07-2012, 09:32 AM   #11
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Have you ever had to pop your ears after opening or closing the slide? The idea sound funny to me

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Old 07-07-2012, 09:46 AM   #12
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Have to open the door to get in the trl to hit the switch to open/close the slide, so I guess YES I do open the door.


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Old 07-08-2012, 10:54 AM   #13
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Originally Posted by Coops1 View Post
Have you ever had to pop your ears after opening or closing the slide? The idea sound funny to me
1 inch of water column (about .036 psi) is a negligible amount of pressure. While I haven't measured it yet, I deal a lot in my work with flows and pressures, and I'm sure there is more than 1" of water column differential generated when opening my slide with all doors/windows/vents closed. Its not enough to pop your ears, much less cause any damage to seals or windows.

However, lets look at the load on the slide motor. My slide is about 11 by 6 or 66 square feet. That works out to just over 9500 square inches. With even 1" w/c of differential pressure, that is 342 pounds of additional load on your slide motor. Maybe the slide mechanism is designed take it, maybe not. But I think is a good idea to make life as easy as I can on the slide drive system.

I say open vents/doors when running the slide.

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Old 07-08-2012, 11:09 AM   #14
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I never gave it much thought but this morning as I closed the main slide (sofa & dinette in one slide) I left the door unlatched. As the slide came in the door pushed open about 6" until the slide stopped, then the door rested back to the jamb. That slide displaces quite a bit of air. Now whether it will cause damage to seals, not sure, but I'll make it a practice to have either a window or the door open when I open or close the slides.

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Old 07-08-2012, 12:53 PM   #15
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Almost always - only because the button is in the doorway to the trailer and the we're standing in the doorway when we setup/close up so the door is open.
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Old 07-08-2012, 04:16 PM   #16
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I had a problem with water during heavy rain travel,always on the floor, discovered that traveling with the vents open caused enough negative pressure to over come the lower seals on the slide, if I close the vents no water.(the vents have covers)
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Old 07-08-2012, 04:19 PM   #17
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sounds funny, no we dont do that apart from checking through the door to make sure that room isnt getting caught up on anything
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Old 07-08-2012, 04:42 PM   #18
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I always have the door open. When putting slides out and taking them in. The control panel is set so that I can sit at the door and ope/close/check all switches!! Lets a bit of air in also. Have never been told to or not too! We hit the auto level -- after it is leveled I go and lower the steps and sit there and open the slides in the living area. Then go up to the bedroom and open that one. All the while asking DH if I am clear -- if there are trees even a bit close by. Sometimes -- he prefers that I wait til he is completely hooked up with electric, water and sewer before putting that slide out.

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Old 07-08-2012, 05:38 PM   #19
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I find chewing gum helps.
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Old 07-08-2012, 06:09 PM   #20
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Originally Posted by Coops1 View Post
Have you ever had to pop your ears after opening or closing the slide? The idea sound funny to me
totally agree! that's a new one on me and one of the strangest claims i've ever seen on any RV forum.

the VW bug was the only vehicle i knew that was that airtight.
i doubt if any RV is that airtight, except Airstream.

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