"Richard Hertz" no one@no one.com wrote in message .net...
"PaulH" wrote in message
om...
There can be plenty of reasons for this besides pilot error. A while
back one of my fuel drains developed a slow leak, and there are
probably a dozen other possibilities.

that is pilot error. You should be able to find that leak - 100LL leaves
stains. If it was so slow not to notice, then it should be slow enough not
to matter in a flight. There are few fuel problems that are not pilot
error.

The engine could have been burning too much too. I once rented a 182
topped it will full tanks and flew from Sacramento to Santa Barbara
(about 2.5 hours). I leaned the plane out on the trip. When I landed
there was only a small amount of fuel left in the tank. No evidence of
staining anywhere. The engine seemed to run strong. The FBO ended up
selling the plane so I don't know what the cause was.

-Robert