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by gbrungra
Fri Nov 15, 2019 5:49 am
Forum: Hydrofoil
Topic: Best pumping foil?
Replies: 35
Views: 4061

Re: Best pumping foil?

How about optimal board volume to flatwater foil SUP start? Or optimal board volume /rider weight? Liter/kG? Or kg of rider weight per liter of board volume? I’m thinking of buying a Gong foil sup setup for flatwater foiling this fall. What board size should I get if my goal is to learn to flatwate...
by gbrungra
Wed Oct 23, 2019 5:35 pm
Forum: Hydrofoil
Topic: Inflatable Hydrofoil boards, are we there yet?
Replies: 22
Views: 2563

Re: Inflatable Hydrofoil boards, are we there yet?

Sounds like people are having better luck with the tuttle boxes on the Manta than with the F-One inflatable boards?
by gbrungra
Fri Sep 20, 2019 5:06 pm
Forum: Hydrofoil
Topic: new Peter Lynn Synergy single strut kite
Replies: 15
Views: 2114

Re: new Peter Lynn Synergy single strut kite

So how does this offering compare to the Ultra, Alpha, etc? Other top lightweight 1 strut kites?

An improvement, or an also-ran?
by gbrungra
Fri Sep 20, 2019 5:04 pm
Forum: Hydrofoil
Topic: Fastest Foil Combo (To beat AC 75)
Replies: 22
Views: 1418

Re: Fastest Foil Combo (To beat AC 75)

For current kite racers, is top speed really limited by the kite and drag of the human body? I thought it was limited by drag/cavitation/ventilation of the foil? Top speed for the AC boats seems to be limited by forces from 20+ knot winds? Because the boat would explode? If the difference is really ...
by gbrungra
Wed Sep 18, 2019 5:51 am
Forum: Hydrofoil
Topic: Peak Foil
Replies: 20
Views: 1418

Re: Peak Foil

Look at SUP. Pioneered by wave riders, but adopted by the masses for flatwater.

If technology could improve enough for foilSUP flatwater starts to become attainable for the masses, then foiling would expand 10x or 100x.
by gbrungra
Wed Sep 18, 2019 5:42 am
Forum: Hydrofoil
Topic: Fastest Foil Combo (To beat AC 75)
Replies: 22
Views: 1418

Re: Fastest Foil Combo (To beat AC 75)

Top speed?
Upwind VMG?
Downwind VMG?

Are you looking for a GPS speed number, to to beat the AC boats around the racecourse?
by gbrungra
Sun Sep 15, 2019 4:22 am
Forum: Hydrofoil
Topic: beginner foil wing choices?
Replies: 11
Views: 853

Re: beginner foil wing choices?

About learning strapless: Foothooks

They let you control the board enough for a waterstart, but let you eject without ankle injuries.

Can not recommend them enough.
by gbrungra
Sun Sep 01, 2019 1:47 am
Forum: Hydrofoil
Topic: Best pumping foil?
Replies: 35
Views: 4061

Re: Best pumping foil?

How about optimal board volume to flatwater foil SUP start? Or optimal board volume /rider weight? Liter/kG? Or kg of rider weight per liter of board volume? I’m thinking of buying a Gong foil sup setup for flatwater foiling this fall. What board size should I get if my goal is to learn to flatwater...
by gbrungra
Fri Aug 16, 2019 1:08 am
Forum: Hydrofoil
Topic: Best pumping foil?
Replies: 35
Views: 4061

Re: Best pumping foil?

Competition will help. As soon as enough people are able to flatwater start a SUP foil, then supfoils can start competing in sup races. Standard distances are 200m, 4km, 8km, and 16km. Just as relaunchability is the limiting factor for some kite uses, flatwater start-ability should be the goal of fo...
by gbrungra
Wed Aug 14, 2019 3:45 am
Forum: Hydrofoil
Topic: Best pumping foil?
Replies: 35
Views: 4061

Re: Best pumping foil?

Optimal front wing area? Or maybe optimal ratio of wing size to rider weight?

Gong has a front wing up to 2400 cm^2.

At some point, drag will overtake lift. Are we there yet?

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