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Old 07-20-2016, 02:13 PM   #21
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Location: Andrews,Indiana
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Year: 1991
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Old 07-20-2016, 02:39 PM   #22
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Year: 1990
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Engine: Detroit 6V92TAC, Jake brake, Allison HT740
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Run away, fast, NOW, don't look back.

Sam Walker has been a guest of the federal government because of his fraud/dishonesty/embezzlement/theft/etc, Please take the time to research his nefarious doings - Bus Conversion Magazine's forum has some "interesting" things to say about him, because some contributors there have had first-hand dealings with him.

HTH, John
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Old 07-20-2016, 03:25 PM   #23
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Heads up received. The two young guys (30ish) I spoke with in person seemed on the up and up too. Now I'm not sure what I'm going to do. I'll take a look for another coach builder. But most of them are plenty far from the NYC-Philly corridor. Anyone have any recommendations? My deadline is Jan. 1st.
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Old 07-20-2016, 05:46 PM   #24
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Originally Posted by BusFiend View Post
Heads up received. The two young guys (30ish) I spoke with in person seemed on the up and up too. Now I'm not sure what I'm going to do. I'll take a look for another coach builder. But most of them are plenty far from the NYC-Philly corridor. Anyone have any recommendations? My deadline is Jan. 1st.

check out custom coach in columbusd ohio area... they have done some fantastic conversions in the past... mainly ive seen trip busses from them but they may very well do a skoolie..

columbus ohio is not that far from the east coast corridor... its a quick airplane flight and easy drive if comin g to get progress reports on a cxonversion... plus I live here in columbus..

they did get absorbed by farber specialty.. but i believe they still do bus conversions..

Farber Specialty Vehicles - Custom Coach

-Christopher
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Old 07-20-2016, 07:05 PM   #25
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Don't have a bus yet. Trying to put a design together first and purchase a donor to best fit the design.

Interesting thought on modifying the kneeling valve. First thought is school buses with front air seem to be rare. Retrofitting a complete front air suspension may be beyond my budget. What does it take to add a kneeling valve to the rear? Collapsing the air bags for kneeling has to lower the spring rate of the system. How would spring rate be calculated?
With a computer, they're a progressive rate not linear rate spring. The equations to do it are in most adaptive suspension research papers. The maths gets a bit complex without a computer.

The kneeling valve just takes some pipework and a valve and a brake switch and a lock it out unless stopped mechanism.

For going up instead of down, the leveling valve needs to be fooled. Most air bag systems sit at about 2/3travel, all you're doing is moving that up to 3/3 travel. Using stock bits nothing should get damaged as it's within a designed failure parameter, broken leveling valve.
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Old 07-20-2016, 07:17 PM   #26
Mini-Skoolie
 
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Originally Posted by BusFiend View Post
Heads up received. The two young guys (30ish) I spoke with in person seemed on the up and up too. Now I'm not sure what I'm going to do. I'll take a look for another coach builder. But most of them are plenty far from the NYC-Philly corridor. Anyone have any recommendations? My deadline is Jan. 1st.
Pushing a tight deadline, there's a time/$ saving if you reuse some seat frames. Then just have units on them. Eg bed unit, bunks unit etc.

Then you can have fitout guys building bolt in units while the interior is being gutted/wired etc.

If you're planning on bouncing down very rough roads it'll help with dealing with the extra flex the bus gets subjected to.
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Old 07-20-2016, 07:44 PM   #27
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Pushing a tight deadline, there's a time/$ saving if you reuse some seat frames. Then just have units on them. Eg bed unit, bunks unit etc.

Then you can have fitout guys building bolt in units while the interior is being gutted/wired etc.

If you're planning on bouncing down very rough roads it'll help with dealing with the extra flex the bus gets subjected to.
I've been communicating with a bus engineer who is concerned about the additional flex cracking/snapping the hat channel... I have no clue what I'm going to do.

I really want to wire, plumb and finish the interior myself. I just want a coach company to give me an empty, primered, insulated shell. Apparently, I can get this directly from Blue Bird, brand new, for $45k...

I may be better off finding a travel trailer that needs some help, grabbing a 3/4 ton pickup and be done with it.
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Old 07-21-2016, 03:35 AM   #28
Mini-Skoolie
 
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I've been communicating with a bus engineer who is concerned about the additional flex cracking/snapping the hat channel... I have no clue what I'm going to do.

I really want to wire, plumb and finish the interior myself. I just want a coach company to give me an empty, primered, insulated shell. Apparently, I can get this directly from Blue Bird, brand new, for $45k...

I may be better off finding a travel trailer that needs some help, grabbing a 3/4 ton pickup and be done with it.
Would you like me to post some pictures of what I did? The base of the unit to the seat frames mount and it's controlled movement is how I engineered it so it doesn't pull the Channel out of the wall.
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Old 07-21-2016, 07:37 AM   #29
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Join Date: May 2009
Location: Columbus Ohio
Posts: 3,436
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Chassis: International S3800
Engine: DT360
Rated Cap: 7 Row Handicap
Quote:
Originally Posted by retiredChemist View Post
With a computer, they're a progressive rate not linear rate spring. The equations to do it are in most adaptive suspension research papers. The maths gets a bit complex without a computer.

The kneeling valve just takes some pipework and a valve and a brake switch and a lock it out unless stopped mechanism.

For going up instead of down, the leveling valve needs to be fooled. Most air bag systems sit at about 2/3travel, all you're doing is moving that up to 3/3 travel. Using stock bits nothing should get damaged as it's within a designed failure parameter, broken leveling valve.
Most skoolie rear air bag systems are about as simple as it gets as far as maintaining a level.. they are a purelyt mechanical valve and lever arm so its real easy to make it electronic and / or fool it..

im not sure what kind of transit busses you are looking at but the gilligs they run in my city are fully bagged but have an absolutely terrible ride quality qith it seems like a lot of flex.. I feel like my 25 year old short school bus with only rear air bags has a better ride quality..

plus the floor lines in some of them are wierd with the rear portion of the floor raised compared to the rest of the bus.. ..

there was one parked early this AM and I looked under and around it.. I dont see how you get much ground clearance on it even if the kneeling valve were pumped to the max.. these busses are made to be lower for ADA access... the rear appears to have a bit more clearance but theres a lot of equipment stuffed back there..

if you go the route of a travel trailer and a pickup.. I seriously would budget for a 1 ton rather than 3/4 ton... I know people will tell you all day long their 3/4 ton will pull their 5th wheel but reality is its not as nearly nice of ride.. of course if ground cleaerance is an issue you arent going to get much of it with the 5th wheels ive seen..

for ground clearance a school bus is going to bne the way to go I believe..

I still think a coach builder can put a shell together... 4 leg seat frames are quite heavy and easily modified and bolted through the floor into the body ribs for anything you need to secure... I love them...

-Christopher
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Old 07-21-2016, 07:49 AM   #30
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Folks put too much faith in school bus off road capability.
They actually get stuck pretty easily. Ask hank.
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