Forums > Wing Foiling General

-5L vs -15L Wing board?!

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Created by MidAtlanticFoil > 9 months ago, 16 Sep 2021
MidAtlanticFoil
818 posts
16 Sep 2021 12:56AM
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I'm 65 KGs and have the 60L Armstrong FG board. Someone is looking to trade out their 50L for a 60L and I'm heavily considering making the trade.
Anyone here riden similar differentials and have any feedback? Does the -15 result in easier balance in chop(submerged more)?
My main concern is loosing some low end, as the 60L serves me well as my light-medium wind board. If the wind drops to below 6mph, I'm prone paddling home. So maybe not a huge loss?

Yet to try my 25L sinker prone board, but soon.
thanks for any feedback.

foilthegreats
761 posts
16 Sep 2021 3:09AM
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I'd go for it. At 75kg my old board 4'8" 55L vs new board 4'9" 70L is not all that much different to get going. More time spent on knees to get forward momentum but basically worked in similar winds for me.

eppo
WA, 9688 posts
16 Sep 2021 6:41AM
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Is it a linear proportionate relationship? As you move into the 50s, 40s litres can you extrapolate from say 70l boards and up? Width changes and volume distributions may be a factor?

MidAtlanticFoil
818 posts
16 Sep 2021 8:26AM
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So I talked it over with my local crew and they talked me into keeping the 60L. Main factors:

1. Summer thermal winds at the oceanfront are up and down, so a bit more float helps keep up planning between gusts after airs or coming off foil in a lull.
2. Wave sessions in our beach breaks have no channels, so getting up on foil and out of the impact zone is paramount if you want to keep the wing away from the stitch doctor.
I think those factors outweigh the small gains in weight saving aand swing weight reduction. Wish I could have both!

MidAtlanticFoil
818 posts
16 Sep 2021 8:26AM
Thumbs Up

So I talked it over with my local crew and they talked me into keeping the 60L. Main factors:

1. Summer thermal winds at the oceanfront are up and down, so a bit more float helps keep up planning between gusts after airs or coming off foil in a lull.
2. Wave sessions in our beach breaks have no channels, so getting up on foil and out of the impact zone is paramount if you want to keep the wing away from the stitch doctor.
I think those factors outweigh the small gains in weight saving aand swing weight reduction. Wish I could have both!

ninjatuna
244 posts
16 Sep 2021 8:36AM
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he is bigger than you riding it, go for it

north_kiter
NSW, 233 posts
16 Sep 2021 2:07PM
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I am 95-100kg, I had a 80L and found more difficult than a 56L board to start in chopping conditions as the 80L didn't sink.

I have a 110L for lighter days.

I'd advise you to go to a true sinker = half your body weight + 10% in kgs then change the kg for L.

for me 95-100kg /2 = 50kg + 5kg = 55L to 60L for me is spot on

the guy in the video is 181 LBS, or 82.2KG and using a 50L board, therefore it's perfect for him at
88.27kg /2 = 41.13kg + 8.22kg = 49.36 L

wallben3
3 posts
4 Oct 2021 2:27PM
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Hi, what do you the minimum wind will be for me to use a 52litre board. I'm approx 70-75kg in weight. I'm pretty proficient but have only ever ridden an 80 litre board. Do you think I could replace the 80 with this? Not keen on having both a sinker and a floater as I'm travelling.



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"-5L vs -15L Wing board?!" started by MidAtlanticFoil