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Old 12-01-2017, 03:21 PM   #11
Bus Nut
Join Date: Jun 2016
Location: Orange County, CA
Posts: 408
Year: 1990
Coachwork: integral
Chassis: Crown Supercoach II pusher
Engine: Detroit 6V92TAC, DDEC 2, Jake brake, Allison HT740
Rated Cap: 37,400 lbs GVWR
Originally Posted by miscrms View Post
There is a mostly wasted space between the frame rails above the big box, as the box drops down under the frame and goes straight across. Still thinking about ways to reclaim that space.

It's not often that folk complain about having too much underfloor storage space! That picture explains all. Some examples of my bus also had additional storage bays on either side of the fuel tank, but I specifically chose my bus without them so I could cram the largest possible water tanks in there without being constrained by what would fit inside an existing storage bay. If I had to buy a bus with those additional bays, I would probably have cut them out just so I could maximize water tank capacity.

I'm very curious what is between the top of the big storage bay (its ceiling, so to speak) and the underside of the floor above. There's only one way to find out! Maybe you can cut away the bay's ceiling if there's nothing up in there - that extra 9" of vertical space is valuable. That could be a great place for a tank or two, even your bladder system.

I hung all four of my tanks using 1/2" threaded rod attached to the frame rails' lower flanges. The fresh and grey tanks have five hangers per side, and the poo tank has three per side, in other words they are very secure! Each tank sits on a support frame made from heavy steel angle with 1/2" plywood underneath, and the fresh tanks also have 1/2" plywood on all four sides for additional support and some slight insulation. The grey tank's rear end is protected from stones by a sheet of aluminum that wraps around the sides and rear. To positively locate the tanks horizontally, each tank's top sits within a surround frame secured under the floor that prevents any movement fore, aft or sideways, so the threaded rod hangers need only hold the tanks up tight against the underside of the floor - they don't handle any other loads at all. This way each tank is absolutely prevented from moving in all six possible directions.

You have a nice bus! Is that an A/C vent I see above the rear side window?

Iceni John is offline   Reply With Quote

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