Your standard Sportsmobile bottles are DOT approved, although mounted outside the the frame rails, and are made for the conditions of a vehicle and some level of accidents.....What you are putting in your bumper may not be...As Scotty said above, they should all be vented for overpressure (except maybe the 1# prefilled bottles), but in terms of structure unless DOT approved they are not meant for impact...and where they vent is different.
Just don't get hit, but can you control those behind you? The DOT tanks have a overpressure vent on the bottom designed to vent down and outward. I haven't seen it but if you see an RV fire/accident with either flames shooting out the bottom, or white cloud spray that is the tank venting..
I would think this thru...
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Pac NW and warmer places
1995 E250 EB 5.8 2WD on to a new owner
2006 E350 EB Elect Top 2WD
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