Author Topic: ART999 vs GoFoil NL190 - SUP Foil Only  (Read 4128 times)

FoilMad

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Re: ART999 vs GoFoil NL190 - SUP Foil Only
« Reply #30 on: November 26, 2021, 11:37:14 PM »


I can directly compare the NL130 to the ART 999 and say that the 999 is as fast but better glide.  This comes from foil SUPing some of the bigger waves in the world.  I would only grab for my NL130 if the waves were a guaranteed 12 feet.  Speeds ranging from 18 to 25 mph.  Mostly at Mavericks but also at Phantoms on the north shore of Oahu.  The ART999 has less pop or front foot kick with the 420 tail no shim than any NL GoFoil wing.  I weigh 85 Kg. 

Maybe some downwind guys are hitting 20 to 25 mph.  But please use exact numbers when referring to speeds.  The NL130 is a rock in big waves but the 999 has a wider flight profile.  I have found the 999 starts to stall for me around 12 mph.  Rather it sags and is a lot of work to recover.  Easy cruising speed is 15 mph.  With the right tail and board I have zero front foot pressure at 20 mph +

A downwind average speed for well experienced guys might be 20klms/h and a world class downwinder might average 25-26 Klms/h in 25 knots plus and best conditions possible from what I understand. 6s period wind bumps travel at approximately 18klms/h in open ocean for reference.

Guys downwinding the ART might have typical average speeds 18-20klms per hour which is below where you think your stall speed is. Your wing is designed for good speed and glide in minimal power. It has an aspect ratio of 10 so specifically suited to low power efficiency.  It seems after the takeoff you are riding swell in water so deep that it results in a in low accessible power circumstance. The NL130 has design characteristics for high speed control and turning. Fighter jets don't have wings like gliders.

Each to their own.




PonoBill

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Re: ART999 vs GoFoil NL190 - SUP Foil Only
« Reply #31 on: November 27, 2021, 11:32:51 PM »
At the far end of what's possible, the Spencer brothers won the 10-mile downwing Gorge paddle challenge race in light wind with times of 25 minutes each, which is 24mph or almost 39 kph. the distance measurement was certainly not precise, but still...

As I recall they were on F-one foils.
« Last Edit: November 27, 2021, 11:36:00 PM by PonoBill »
Foote 10'4X34", SIC 17.5 V1 hollow and an EPS one in Hood River. Foote 9'0" x 31", L41 8'8", 18' Speedboard, etc. etc.

burchas

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Re: ART999 vs GoFoil NL190 - SUP Foil Only
« Reply #32 on: Today at 09:27:07 AM »
...the Spencer brothers won the 10-mile downwing Gorge paddle challenge race in light wind... As I recall they were on F-one foils.

Aren't they sponsored by Slingshot? I believe their current offerings looks very similar to the F-One
in progress...

FoilMad

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Re: ART999 vs GoFoil NL190 - SUP Foil Only
« Reply #33 on: Today at 12:04:39 PM »
Hi Bill,

Just to be sure we are on the same track, the speeds you are talking about for the spencer brothers are wind powered where as the title of this thread and its contents are about wave powered. Free winging downwind refers to parking the wing and riding the bumps. Wingers chasing speed like Alex A are pushing 30 knots while the best downwinders on SUPs in the best conditions are averaging 26-27 klms.



 


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