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by jamescarlyle
Thu Dec 07, 2017 10:02 pm
Forum: Hydrofoil
Topic: The New 2018 Airush Core Foil Series Out Now
Replies: 18
Views: 1552

Re: The New 2018 Airush Core Foil Series Out Now

Would be interested to see a proper analysis of this, but torsion results in shear forces around a central point, doesn’t it? And for shear forces, more material away from the centre will result in lower stress and therefore lower strain. Compare the torsional displacement of a solid rod compared to...
by jamescarlyle
Tue Nov 07, 2017 8:45 pm
Forum: Kitesurfing
Topic: Hung Vu, a kitesurfing pioneer, how did he help you?
Replies: 13
Views: 865

Re: Hung Vu, a kitesurfing pioneer, how did he help you?

I think he had a diary about learning, and he described how he started sailing in a closed bay but was unable to escape it. Then one day the wind was stronger (for his 2-line kite) and he was able to go upwind more - and then for the first time he could sail beyond the bay. An epiphany. My own exper...
by jamescarlyle
Thu Oct 05, 2017 7:30 pm
Forum: Reviews
Topic: 24-7boardsports.com and zeeko customer service Review
Replies: 1
Views: 240

Re: 24-7boardsports.com and zeeko customer service Review

24-7 is wonderful. They've been around for ever and have a long term view.
by jamescarlyle
Thu Sep 21, 2017 7:57 am
Forum: Hydrofoil
Topic: North LTD foil board construction
Replies: 1
Views: 262

North LTD foil board construction

I pinged North for details of the core of the green 2015 Ltd foil board (whether EPS or fused polystyrene) but they haven't responded :(

Does anyone here know the answer? I want to know If there is a danger of water being adsorbed if the board has a minor rail crack,
by jamescarlyle
Sat Dec 03, 2016 3:47 pm
Forum: Hydrofoil
Topic: How much does your HF and board Combo weigh?
Replies: 28
Views: 2596

Re: How much does your HF and board Combo weigh?

I have an older Horue H13. The board is 2.2 Kg and the foil is about 1.5 Kg. I love the light weight - but the foil whistles at speed, whereas my Zeeko Makaira never did , though it was solid carbon and at least twice as heavy.
by jamescarlyle
Mon Jul 04, 2016 10:30 pm
Forum: Hydrofoil
Topic: Would a telescopic mast be possible ?
Replies: 6
Views: 853

Re: Would a telescopic mast be possible ?

Reminds me of this:

Image
by jamescarlyle
Wed May 11, 2016 10:31 am
Forum: Hydrofoil
Topic: Moses front wings - a guide
Replies: 40
Views: 8514

Re: Moses Silente front wings - a guide

Hi I'd be really interested in trying the FR450 - either by renting :) or buying second-hand. I'm not really interested in buying new since I'm just scratching an itch to see how different it feels to the FR425. If you have an FR450 that you've outgrown, any condition, please ping me at jwgcarlyle@g...
by jamescarlyle
Mon Oct 05, 2015 8:58 pm
Forum: Hydrofoil
Topic: Spotz 2 foil photographs
Replies: 15
Views: 2278

Re: Spotz 2 foil photographs

Beautiful photos.

Ignore the concern about copying. Anyone who was so interested in copying and building similar carbon structures commercially would already have taken the trouble to see them at first hand.
by jamescarlyle
Sun Jun 21, 2015 10:25 pm
Forum: Hydrofoil
Topic: Horue H13
Replies: 3
Views: 1746

Re: Horue H13

keen - pm'd you :)

jwgcarlyle@gmail.com
by jamescarlyle
Wed Apr 18, 2007 11:16 pm
Forum: Kitesurfing
Topic: 4 GPS choices? Pls help.
Replies: 4
Views: 715

Hi I see no-one has replied...well I can only talk about the Foretrex 201, which I have owned for a couple of years. It has about 90% of what I need but it is very compact compared with other GPS and that counts for a lot. Its biggest weakness is the display, which needs more resolution when you are...

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