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Old 11-19-2012, 05:23 PM   #11
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Re: Tourtech Bus - 1997 International 3800

I like the look of the bus..... Kinda like fender skirts but running the length of the bus ..
Every little thing to reduce wind resistance will improve your mileage some what. The trucks you see on the road are million mile trucks. they drive for a living and the company that owns the trucks/trailers are in it for the money. Whatever pennies they can save per truck X # trks = dollars. I am not trying to tell you not to do it.
What I am saying is It will not make that much of a difference in the MPG to pay for the cost of the mods unless you plan to stay on the road. Most skoolie conversions end up with less than 25,000 miles after being converted into a housecar, RV, or motorhome. The under neat storage is a big plus on any conversion. Gives you lots more room to put lots more stuff/weight that reduces your overall MPG.

Post pics, I love a good mod...
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Old 11-19-2012, 09:34 PM   #12
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Re: Tourtech Bus - 1997 International 3800

Your rendering looks cool and that's enough of a reason to go for it! I'm one of those old sticks in the mud who want before and after "scientific proof" etc. but I'll happily hear what your feelings are about the results of your build-out--never mind the science, the fact that you recognize that it isn't scientific is fine with me, not that it matters what I think etc. etc. Since you are learning as you go more power to you and keep the pics flowing! Jack
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Old 11-19-2012, 10:24 PM   #13
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Re: Tourtech Bus - 1997 International 3800

I like the looks of it, but i see a problem. If you make the side skirts, picture the low point between the fornt + back wheels if you have to drive over any uneven terrain. Think coming out of parking lot that you have to go up an incline to get onto the road-now picture if that skirt would clear getting up onto level ground.
As far as aero goes-stand in front of your bus + look at it. Its as square (and large) as a house. Not much you are going to be able to do with that much frontal area.
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Old 11-19-2012, 11:17 PM   #14
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Re: Tourtech Bus - 1997 International 3800

Quote:
Originally Posted by ol trunt
Your rendering looks cool and that's enough of a reason to go for it! I'm one of those old sticks in the mud who want before and after "scientific proof" etc. but I'll happily hear what your feelings are about the results of your build-out--never mind the science, the fact that you recognize that it isn't scientific is fine with me, not that it matters what I think etc. etc. Since you are learning as you go more power to you and keep the pics flowing! Jack
Thanks Jack,

Yeah with Winter closing in I still have a few months to change it all up as there are quite a few people here with experience in this sort of things that bring up points. If I thought I had the time, I'd do the interior first and then maybe I could get a baseline and then see if the aero mods were worth the effort. If it looks distinctive and it doesn't have a negative effect on the fuel consumption, I'll be OK with that too.
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Old 11-19-2012, 11:23 PM   #15
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Re: Tourtech Bus - 1997 International 3800

Quote:
Originally Posted by sdwarf36
I like the looks of it, but i see a problem. If you make the side skirts, picture the low point between the fornt + back wheels if you have to drive over any uneven terrain. Think coming out of parking lot that you have to go up an incline to get onto the road-now picture if that skirt would clear getting up onto level ground.
As far as aero goes-stand in front of your bus + look at it. Its as square (and large) as a house. Not much you are going to be able to do with that much frontal area.
That's a good point, getting high centered I believe is what you mean? I guess I will have to figure out somehow what the safest height is that I can make the basement without that becoming an issue, I did think about getting a tow, so I angled the back up at least.... Maybe I'll line some inline skating wheels along the bottom of the basement (kidding of course).

Also the rendering is kind of rough, there needs to be storage doors as well as a door for the wheel well because I will need to do daily PTIs and that sort of thing.

Thanks for the input!
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Old 11-20-2012, 09:46 AM   #16
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Re: Tourtech Bus - 1997 International 3800

Very cool looking design and the skirting does indeed make quite a difference on tractor/trailer rigs. That said, I do have to echo the high centering concern. With that much distance between the wheels even a few inches difference in the ground level is definitely going to cause issues. Can't imagine it making it over even a minimal rise (like your average railroad track) as it appears in the drawing. If it is to scale, you can easily calculate how much rise/angle it will handle. Might want to check those numbers before getting too far into restructuring.
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Old 11-20-2012, 10:38 AM   #17
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Re: Tourtech Bus - 1997 International 3800

S L E E K & S E X Y
comes to mine when I look at the sketch......... sweet but watch the humps as the others have said....
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Old 11-25-2012, 10:34 AM   #18
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Floor Insulation

After trying a few different ways to get the seats out of the bus, I finally broke down and bought me a reciprocating saw and some metal blades and got half of the seats out by myself in a little over an hour. Nothing like using the right tool for the job! I will still have to get the bolts out to remove all of thos pesky stumps, but at least it looks like progress.

I was going over some of the other members builds and was looking specifically at flooring and insulation. I'm like 5'11", maybe a little under, but adding floor height doesn't seem like such a great idea to me. Has anyone tried insulating the floor from the underside? I realize that the metal will conduct temperature from everything that is connected to it, so insulating from the bottom won't isolate the inner floor from this effect. My plans are to add basement storage compartments as well, so the insulation would be held in place and protected from water and road grime by that structure.

I also had a few questions about actual flooring, I see most people are using laminate flooring, which seems kind of heavy and from my experience, not all that durable when it comes to things like sandy shoes and water/moisture. I was thinking about gluing down some high traffic (maybe industrial) vinyl flooring, which I think is lighter that laminant. My biggest concern is that I might end up trapping moisture between the vinyl and the bus floor, and end up with a rusty, rotting mess after a while. I think that the current rubber floor would be doing the same thing, and that may be the reason most people take it out in the first place. Anyone have any thoughts on this?
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Old 11-25-2012, 10:57 AM   #19
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Re: Tourtech Bus - 1997 International 3800

I dont think insulating underneath is a practical option. Maybe if you got someone to spray it on, but that would be a mess and a lot of money to do. I'm 5-10" and put 1.5" foam and 5/8 plywood on and its fine.
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Old 11-29-2012, 05:12 PM   #20
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Re: Tourtech Bus - 1997 International 3800

Re: Insulation under the floors

My bookmobile came from the coach fabricator with spray-foam insulation under the flooring, between the floor I-beams. It's about three inches thick, with a heavy duty plastic cover on the bottom of the insulation to protect it from road debris and UV radiation. (I think most of the spray foams will deteriorate from sun exposure.) I suspect the sprayed insulation was added when the chassis was nearly bare—doing it after the underside has accumulated a lot of road dirt and grime could be problematic. Not impossible, but not easy. Plus, my floor is plywood, so the I-beams don't have a ready thermal bridge between the outside and inside air through the metal floor of a typical bus. If you insulate between the I-beams, the beams themselves will still suck a lot of heat out of the interior space across the entire width of the bus wherever they are in contact with the metal floor.
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