>…… and all the homebuilt kit
makers that I'm aware of specifically say to never operate the
plane with a fuel selector on 'both'.
________________________________________________________________________________________________________
Then you have never looked closely
at a Velocity.
More specifically, you have never
seen my Velocity which was something of a worst case scenario
when I started picking it apart and reviewing how it was built
and the many failure modes that needed to be corrected before
I would fly it.
This system had a feed from both
wing tanks to a common sump that had no valve at all. It was
plumbed straight to the electric fuel pump and them off to the
engine.
It now has a split sump with a
left/right/both selector (Andair). The electric boost pump is
low enough that “un-porting” should never be an issue.
My purpose as far as offering
another viewpoint was spawned by talk of “T” connections
between two tanks.
It was a somewhat lengthy and
diplomatic way of saying “Bad Idea.”
T Mann