Assembling LP50 Doubles

This video shows you how to assemble low pressure 50 steel tanks as backmounted double cylinders.
The bands are 11" apart and this blue steel manifold (made specifically for low pressure 50 tanks is 8 3/8" from center to center.

[@buckyplayz1919]

How many pounds of lift needed for this set up. Which wing?

[@timsgeartips]

I use a 45lb wing as the 50 and 60 were way too big. The 40lb and 35lb wing wasnt wide enough