Yes, Ron, this was what I was looking for. Thanks for sharing. 20 degrees looked fine as well, I'll dig a hole next to the runway again (the one from testing the Kitfox is still there...
Could you share the amount of fuel you put in to be able to reach the fingerstrainer in that angle, please? I guess it should be quite a lot?
 but reading along the reactions I figure just that
is the 4,5 Gallon 'reserve fuel'. It isn't reserve, but sufficient to keep the fingers trainer from running dry (and have the pump suck air).