My wing tanks are from the back of the main outter spar aft 13 inches and 45 inches outwards. these hold 45 litures.( 11 US Gals)
+++++++++++ Hey Phil Our gallon is like your Oz gallon, i.e. an Imperial gallon of 4.55 L. The only thing American that is not bigger than every one else's, is their gallon - one US gallon is only 3.785 L. (or 11 US gal = 41.64 L). Only reason for pointing this out is it caused me some panic as a fresh PPL in 1976 when I used a fuel burn in L/hour and worked out the range (Grumman AA5) assuming Imperial gallons. I launched from your home town headed for Springbok in the NW Cape - 4 hour cross country with what emerged later as a 4.2 hour range. Steve J