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Old 08-23-2014, 03:05 AM   #11
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Re: Punching holes in my roof - best way to seal em?

One thing that I'm unsure of is if I went the latter route and just bolted the deck through the roof into the roof trusses, would sandwiching the fiberglass between the deck strut and the roof truss create a problem? I wonder if too much compression might fracture, crack or even crush the fiberglass? If it were a steel bus I'd have no worries, but I just see problems with all that weight (which is why I keep going back to the other idea ;?D

Found these on Amazon (much cheaper than on eBay) and sounds like just what the doc ordered
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Old 08-24-2014, 08:51 AM   #12
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Re: Punching holes in my roof - best way to seal em?

Lightfoot,

a) Flat roof deck - solar farm:
1 - Make sure you don't shadow any part of any panel in a series!! You immediately loose a MAJOR part of your panel's power (see Handybob's solar-rants! http://handybobsolar.wordpress.com/2014 ... cribe-blog) - this is a MUST read it ALL, BEFORE you start spending any money on anything solar!!

2 - IF you are decided for the deck, no matter what, then make sure to cover most of the roof and just leave some SMALL spaces in the deck for air-circulation - might want to maintain a 2-3" space between the roof and the deck - what you get is a "Safari-roof"!! ...should cut unwanted solar heating a LOT!!

[Google it!] - https://www.google.com/search?q=Safari+ ... f&tbm=isch

"The Station Wagons saw the first expansion of the Land Rover range. Station Wagons were fitted with a "Safari Roof" which consisted of a second roof skin fitted on top of the vehicle. This kept the interior cool in hot weather and reduced condensation in cold weather. Vents fitted in the roof allowed added ventilation to the interior. " - shamelessly snatched from wikipedia

b) Monster roof support: At least one skoolie member did the roof raise and deck in ONE construction!! (...FM if I can find the thread.... )
Basically he used the reinforcement tubes (square or rectangular) in the window posts as the stand offs for the deck. All he did is remove the outside skin on the posts and make cut-outs the roof where the window posts meet the roof. Then instead of just overlapping the windowposts with the square tubing reinforcement, he just let the square tubes go all the way through to the roof! Bingo roof deck supported all the way down to the floor frame!

3 - You see, roof raise and roof deck are in one go! Now - ...need to find a way to integrate that rear deck in the whole mess!



Cheers,

thjakits
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Old 08-28-2014, 10:08 PM   #13
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Re: Punching holes in my roof - best way to seal em?

Thanks Thjakits, and I do understand about the shadow thing, but if you noticed in the pic I posted earlier, there's space between the sets of panels and that is what I'd like to do - the center space would be occupied by a catwalk to allow me to access them for cleaning and maintenance, and since I'm planning to make them tiltable, the shadow factor is going to make it an interesting challenge to say the least. And yeah I'm planning on leaving at least a couple or more inches between the panels and the roof to help keep them as cool as possible.

Of course how the whole thing actually works in the real world will certainly be more complicated, like being able to park at the best possible direction for the panels to work at peak performance. I'm sure that's not always going to possible, or at least it will make finding the right place to park more difficult, but only time will tell. I'm sure others must have had to deal with this problem, anyone care to share their experiences?

Also, I'm pretty much decided that I'm not raising the roof, just the deck, with the extension over the porch in back, that should be enough of a challenge and I'm sure that's stretching my conversion budget pretty thin as it is,
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Old 08-29-2014, 05:26 AM   #14
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Re: Punching holes in my roof - best way to seal em?

some older coaches late 40's/early 50's that were built to be shipped to Saudi had a 2nd allum roof on them also, to keep back of bus cooler for the princes-> pd4501 scenicruisers
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Old 09-03-2014, 02:50 AM   #15
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Re: Punching holes in my roof - best way to seal em?

MAN, those are great old buses! I'd love to get my hands on one of those, do the interior in an art deco motif and the outside in an antiqued gold finish, lol, THAT would be the cats pajamas

Wow, I like what they did with this one, nice gull wing, but that's got to be the most expensive ice cream truck ever

Edit: Huh, something's not working with the images, can't seem to get it to upload...
HAh, fixed it, temporarily forgot how, lol.
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File Type: jpg gmc-scenicruiser-03.jpg (188.1 KB, 199 views)
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