Overhead Fuel Tank with gauge below

[pappyadkins]

Anyone seen (I believe Joe Engelmann's design) where he had a fuel level site tube that hangs below the tank? I'm real curious how this was done... I'd rather not reinvent the wheel, but like the idea... so if you know how this works, any sketches, pictures or descriptions would be helpful... Attached is a picture I saved from somewhere in this Forum...

[GTS225]

The only way I can see it happening, (other than electrically), is to have a float attached to an indicator, with the sight glass below the tank.  It would work in reverse (sort of), to the simple float and above-tank indicator. When the tank is full, the float pulls the indicator up, showing a "calibrated" full tank, and as the tank empties, the float correspondingly sinks, showing the same with the indicator. Seems to me to be a bit hazardous, should that sight glass get impacted.

But maybe I'm overly cautious.....Roger

[Chuck in Indiana]

I'd probably be bleeding all the time from hitting that bad boy with my head.  I just put a bung at the top and forward, and at the bottom and aft. A clear tube shows the fuel level.

[TUNDRAbilly]

2 nipples same side of tank, 1 high, 1 low, tubes hanging down to glass.


   

[Brock]

One way to do this sort of thing is to have a magnetic donut float around an internal tube which is open in the bottom of the tank (but sealed keeping fuel in).  Then just put in a rod from the bottom.  If a second magnet were put in the top of the tube the the rod could be pushed to the top for storage.

Magnet could also, instead, be on the end of the rod and metal in the donut, etc.