I'm putting a stack together and I'm seeking some advice on frames. The kite order from front to back will be; Polo VTD, Vtd, Mid, Std and Std. I'm going to use link lines with the pig tails at the connection points. The frames I want to use are 4, 3, 3, 3, 2. I have considered having a 4 wrap frame in the lead kite and putting a 2 in the LE and have the rest as 3's. I have flown the combo of 4, 3, 3, 2 in 15-20km/h without the Polo and that was a work out. I know Kent's 8-Stack are all Std's and they have real heavy frames.
Would a stack of progressively vented sails produce less sail presure to be able to use this combination?
Can I get away just doubling up of the LE or do the verts need to be heavier as well?