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Old 06-19-2018, 01:16 AM   #1
Skoolie
 
Join Date: Dec 2017
Location: North Pole, AK
Posts: 101
Year: 1998
Coachwork: Amtrak RE
Chassis: International 3000
Engine: T444e
Propane Tanks (and Generator) Mounted Under Bus

Gentlemen and ladies,

I want to get propane tanks mounted underneath the bus. My current thought is to use 2-4 20lb tanks, mounted vertically, between the axles. The bottom of the tanks will be about 5" higher than the gas tank or bus skirt.

1. I was looking at these on Amazon - my expectation would be one set of two brackets per tank. I would bolt the brackets to the steel frame around the gas tank. Is this reasonable? Is there another option that is cheaper and relatively easy? 4x sets of brackets at $43 each (with Alaska shipping) is a little steep. (Rock Crawler Tank Bracket):

https://www.amazon.com/gp/product/B0...76EGFNBS&psc=1

2. What do I need to protect this from rocks thrown up by my tires? I have no welding experience or equipment and would prefer to avoid a solution that requires it. This is Alaska, so they cover the roads with gravel all winter long for traction (and it doesn't go away in the summer).
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Old 06-19-2018, 01:58 AM   #2
Skoolie
 
Join Date: Dec 2017
Location: North Pole, AK
Posts: 101
Year: 1998
Coachwork: Amtrak RE
Chassis: International 3000
Engine: T444e
3. I was planning to set up a two-stage regulator close to the tanks. I was looking at something like this? 2x units to hook up to 4x tanks. (Two stage regulator with pigtail hoses:
https://www.amazon.com/2-Stage-Propa...ulator+propane

4. This would run the following:
A. Propane on-demand water heater (Eccotemp L12) - I've heard mixed reviews about this though - going to do some more research into it (maybe one with a small tank instead?)
https://www.amazon.com/dp/B002Y0K6AI...v_ov_lig_dp_it

B. Propane Heater (Suburban NT-30SP Electronic Ignition Ducted Furnace 30k BTU) with Thermostat (Suburban Brand)
I have to figure out a way to duct this to get heat to every room in the bus - yet another thing to learn how to do.

https://www.amazon.com/dp/B0002F6868...v_ov_lig_dp_it
https://www.amazon.com/dp/B0002F6868...v_ov_lig_dp_it

C. Propane Oven/Stove (Summit Pro 24G)
I made the mistake of purchasing this from openboxdirect.com as a "lightly" scratched or dented model. I just spent $120 on replacement parts and would have been far better off ordering something brand new... My concern now is I'm not sure if the 2-stage regulator referenced above gets this to the right pressure - need more research.

https://www.summitappliance.com/catalog/model/PRO24G
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Old 06-19-2018, 02:03 AM   #3
Skoolie
 
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Coachwork: Amtrak RE
Chassis: International 3000
Engine: T444e
D. Generator. Right now, I'm looking at this one (Westinghouse 3600 Dual Fuel Remote Start).It will run off either propane or gasoline - it's more efficient than many of them. It's a little loud also, which I am concerned about. The idea would be to mount it hanging near the propane tanks. This brings up several concerns:
1. How do I protect it from gravel and road debris?
2. Won't this potentially get covered in mud, etc. unless protected?
3. Can this handle the vibration of a bus?
4. How can I minimize the vibration while this is running? (some kind of rubber gaskets, etc.)
5. Will this be uncomfortably loud?
6. If I hang this from it's top, will I have a problem with routine maintenance, such as changing/adding oil?
https://www.homedepot.com/p/Westingh...00DF/303950440
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Old 06-19-2018, 09:30 AM   #4
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Location: Brevard County, FL
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Year: 1990
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Chassis: Ford
Engine: 6.6 New Holland Dies
Rated Cap: 60 kids, 10 window
I am thinking of using an open frame inverter generator and using the items in the first picture (from Amazon) to hang it from. I would attach those to the frame of the Genny. Then I would hang them from unistrur attached to the cross member underneath the bus.

Or

I will use the frame hanger in the second picture (from Home Depot) to mount a regular inverter generator, with some extra supports and vibration isolators of some sort.

I'm starting to lean heavily to the second option.

https://www.motorsnorkel.com makes propane adapters for most brands and types of gas generators.Screenshot_20180619-102255.jpegScreenshot_20180619-102626.jpegScreenshot_20180619-102954.jpeg
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Old 06-19-2018, 11:30 AM   #5
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At 69 dBA that is going to be real noisy. In the long run will be happier with a 59 or 60 dB Yamaha or Honda--even if you have to make payments to make it happen. Remember, each 3 dB increase in sound level is perceived by the human ear as "twice" as loud so that 69 dB unit you are considering will be a real cage rattler. Jack
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Old 06-20-2018, 08:22 PM   #6
Mini-Skoolie
 
Join Date: Dec 2016
Location: Fayetteville, NC
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Year: 2010
Coachwork: Thomas C2
Chassis: 281TS
Engine: MBE 926 7.2L 210HP
Rated Cap: 29,000 LBS
Biscuitjam, I did something similar to what you are looking at doing but what I did was had a local welding shop weld a platform behind my rear wheels that would accommodate both 2 x 20lbs tanks and my generator with about 10-12 inches between.
The platform is about 12-18inches from the ground and havenít had any issues with it dragging the ground or anything.

I had a 3kw- Briggs and Stratton P3000 which I run down there. So far, I havenít had any issues with either being down there. When I run the generator, itís no louder than the exhaust noise when Iím driving down the road between 60-70mph.

My only regret is not having a diesel generator that I can use the bus tank to fuel. Depending on how hard I run the generator, the gas last about 2 to 3 hours. The major issue with a diesel generator is the price but for the price, Iíll just keep stopping to fill it up from a fuel can.

My last disclaimer is Iíve only been on the road for about 2 months. Iím out in the desert now still heading west but from NC to NM, no issues with the setup. Just had to change the oil in generator last week which wasnít too bad. Will have to change the oil again maybe next week since every 50 hours, oil change is required for the Briggs and Stratton. Iíll try to do some pictures to show my setup.
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Old 06-20-2018, 08:27 PM   #7
Mini-Skoolie
 
Join Date: Dec 2016
Location: Fayetteville, NC
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Year: 2010
Coachwork: Thomas C2
Chassis: 281TS
Engine: MBE 926 7.2L 210HP
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IMG_4170.JPGIMG_4171.JPGIMG_4172.JPGIMG_4173.JPG
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Old 06-21-2018, 11:04 AM   #8
Skoolie
 
Join Date: Dec 2017
Location: North Pole, AK
Posts: 101
Year: 1998
Coachwork: Amtrak RE
Chassis: International 3000
Engine: T444e
Quote:
Originally Posted by Tarheel Travelers View Post
Biscuitjam, I did something similar to what you are looking at doing but what I did was had a local welding shop weld a platform behind my rear wheels that would accommodate both 2 x 20lbs tanks and my generator with about 10-12 inches between.
The platform is about 12-18inches from the ground and havenít had any issues with it dragging the ground or anything.

I had a 3kw- Briggs and Stratton P3000 which I run down there. So far, I havenít had any issues with either being down there. When I run the generator, itís no louder than the exhaust noise when Iím driving down the road between 60-70mph.

My only regret is not having a diesel generator that I can use the bus tank to fuel. Depending on how hard I run the generator, the gas last about 2 to 3 hours. The major issue with a diesel generator is the price but for the price, Iíll just keep stopping to fill it up from a fuel can.

My last disclaimer is Iíve only been on the road for about 2 months. Iím out in the desert now still heading west but from NC to NM, no issues with the setup. Just had to change the oil in generator last week which wasnít too bad. Will have to change the oil again maybe next week since every 50 hours, oil change is required for the Briggs and Stratton. Iíll try to do some pictures to show my setup.
About how much did the welding shop run you?

Are you happy with your doors and compartment they made?

Im assuming the 2-3 hours refers to one tank of propane with the generator running flat out to run AC?

I've also been eyeballing a used Onan Quiet Diesel 8000 that's listed on Craigslist, but the guy is asking $3500. It's been on there for a month now, so maybe he'd be willing to come down if I ask. It would still be around 70 decibels though I think.

So many choices...
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Old 06-21-2018, 11:08 AM   #9
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Chassis: Ford
Engine: 6.6 New Holland Dies
Rated Cap: 60 kids, 10 window
The HF 3500w Predator is supposed to be pretty darn quiet from the videos I've watched. Motorsnorkel makes a propane conversion for it.
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Old 06-21-2018, 11:30 AM   #10
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The generator has rubber feet to cushion the vibration. If permanently mounting it rubber isolated feet are available.
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