Quad 76 versatility

I understand that a quad 76 has good light wind capability partially due to it's width.Can I ( 72kg) use it with a 5.7 on the lighter days ( 13-17 knots)? In general it would get used with a 5.3 or the 5.7 and sometimes 4.7, rarely 4.2 and almost always in side to cross off conditions.

I also have a 2007 70l Evo which is great but is too small for underpowered 5.3 and 5.7.

Could I get away with just the Q76 for everything from 4.5- 5.7?I have an 85 l 56cm wide single for the lighter wind days. Back to one board would be great.