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Tom

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Joined
Jan 13, 2005
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49,015
Yesterday we pulled into a Flying J for our final fuel fill before we reach the Flying J closest to home. As we drive into the lane, I usually pop my head out the door (or walk around the other side) and let the driver know when the fuel fill iis in line with the hose. I mentally guestimate how much we need and visually check the gauge, although filling the tank is always a craps shoot for reasons we've discussed in the past. It was quite a surprise when, after careful filling to minimize foaming, and dribbling in the last few gallons, the fill topped out 15 gallons short of what I expected.

This left me scratching my head, and I decided to walk around the coach while Chris picked up the receipt inside. Mystery solved - the rear wheels of the coach were sitting on the speed bump in the lane. Given that the fuel tank is mounted east/west, this had the effect of tilting the tank towards the fill tube side of the tank. Added to the existing issue of getting the last 5-10 gallons into the tank, this was apparently enough to account for the discrepancy. As we drove away the fuel gauge confirmed the tank was a long way from full.

I'm either going to have to buy a 2-axis level to put at the helm, or pay more attention when we pull up to the pump.  :)
 

Tom

Administrator
Joined
Jan 13, 2005
Posts
49,015
LOL Karl, yes I was, and that's the reason for the subject line of this topic.
 
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