Velocity Made Good
overly simplistic is
Balance between max speed and max upwind/downwind to reach a mark
Velocity Made Good ( I wonder who was the copyrigher )
Yes i realize that ; my question is :
There's a whole thread dedicated to VMG. Look half-way down this page.
As the fabric itself? No. The canopy is still Dacron. If you look at the pictures all that criss-cross stuff is Dyneema tape. It allows the canopy fabric to be lighter and the tape supposedly transfers the stress to keep the lighter fabric from stretching.
@ airsurfer & Bushflyr
Not exactly sure but probably around 10-12mph max