Hi There
Here in Australia in our Winter I was lucky enough to complete1000km of testing on a prototype GP- 620,105+7.5
The foil had amazing speed, glide and stability, definitely one of the most refined foils I have ever sailed or seen
It was a sad day sending it back to the factory after testing was completed

www.instagram.com/p/CuB7rokrVEa/

Cheers TK

sailpilot said..
NIce one Tony....bet you enjoyed that!.
What rake did you prefer on this setup, much different to the F4 gear you've been using?

Hi Phil
The GP 620cm2 I tested is for PWA light wind days, so super powerful with it's 105+7.5 fuselage, designed to be run on 8 to 9m sails.
I ran it mainly on my Flight EVO 8m with various rake settings, my preference was around 3.6deg give or take 0.2

sdberlin said..
Hi Tony, what backwing did you use and what was your topspeed with this setup?

Hi There
Bearing in mind I was on a pre-production proto-type I used the 190cm2 stabiliser
In a wind range of 10-17kts, 8m sail, 91wide board, GP620cm2/190cm2/105+7.5, (Flat Water) numbers were typically 5x10sec @28kts
As a mid range social windfoiler and was able to offer feedback from this perspective
I think at the upper end of the wind and speed range switching to 170cm2 is plausible
Hope this helps
Feel free to PM me with any other queries
Cheers
TK