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Other: To V Or Not To V
By:Dave Reekie
Date: 1/7/2008, 4:51 am

That is the question.

I'm designing a rough water and day tripping play kayak. I can decide on most of the design easily enough, but the one question I keep coming back to is how V'd to make the hull - both at the ends and throughout the length. As it happens I'm building S&G, but pretty much the same question applies to many strip designs - how flat do you make the bottom?

Looking at alternative existing designs for basically the same brief, the Idglorssuit kayak (and Anas Acuta, Pintail, Q-boat etc based on it) are very heavily V'd. However most others are not - the Black Pearl for example, or our esteemed site owner's Petrel.

It's easy to say "V adds directional stability" - but to my mind that's a bit of a catch all and it really depends on what you're comparing to - in particular, it's true when you're comparing it to a round hull, but I'm not at all convinced it's true when comparing it to a flat bottom with hard chines: in this case greater V will make the underwater section more nearly cound than flat bottom and hard chines. I think this is one of the reasons Duane S went totally flat bottomed for the Mini-Benny - Duane?

The only thing I think I'm sure of is that a flat bottom will slap more in big waves - but that's not really too much of a hardship if it's better in every other way.

So - the question is - to V or not to V?

dave

Messages In This Thread

Other: To V Or Not To V
Dave Reekie -- 1/7/2008, 4:51 am
Why I wouldn't want a flat bottom.
John Monroe -- 1/11/2008, 6:14 am
Re: Why I wouldn't want a flat bottom.
Bryan Hansel -- 1/18/2008, 8:56 am
Re: Why I wouldn't want a flat bottom.
John Monroe -- 1/19/2008, 4:49 am
Re: Why I wouldn't want a flat bottom. *LINK*
Bryan Hansel -- 1/19/2008, 9:30 pm
Re: Why I wouldn't want a flat bottom.
John Monroe -- 1/20/2008, 4:47 am
Re: Why I wouldn't want a flat bottom.
Kris Buttermore -- 1/22/2008, 1:28 pm
Re: Why I wouldn't want a flat bottom.
Bryan Hansel -- 1/20/2008, 7:07 pm
Re: Why I wouldn't want a flat bottom.
Bill Hamm -- 1/17/2008, 8:10 pm
Re: Why I wouldn't want a flat bottom.
John Monroe -- 1/18/2008, 5:18 am
Re: Why I wouldn't want a flat bottom.
Mike Savage -- 1/11/2008, 12:06 pm
Re: Why I wouldn't want a flat bottom.
John Monroe -- 1/12/2008, 4:14 am
Size matters with flat bottoms
Paul G. Jacobson -- 1/12/2008, 4:15 pm
part 2 of above *Pic*
Paul G. Jacobson -- 1/15/2008, 1:07 am
Re: part 2 of above
John Monroe -- 1/18/2008, 5:04 am
Re: part 2 of above
Paul G. Jacobson -- 1/18/2008, 6:25 pm
Re: Other: To V Or Not To V
Bill Hamm -- 1/8/2008, 5:34 am
it goes deeper than a deep V *Pic*
Paul G. Jacobson -- 1/7/2008, 10:42 pm
To V Or Not To V------WebKitFormBoundaryHGkfW3+5m+
Jay Babina------WebKitFormBoundaryHGkfW3+5m+ViUKBv -- 1/7/2008, 9:21 am
Re: To V Or Not To V------WebKitFormBoundaryHGkfW3
Bill Hamm -- 1/8/2008, 5:29 am
Re: To V Or Not To V------WebKitFormBoundaryHGkfW3 *LINK* *Pic*
Dave Reekie -- 1/7/2008, 9:43 am
Re: To V Or Not To V------WebKitFormBoundaryHGkfW3
Tom Simpson -- 1/9/2008, 3:28 am
Re: To V Or Not To V------WebKitFormBoundaryHGkfW3 *LINK* *Pic*
David Reekie -- 1/10/2008, 6:38 am
Re: To V Or Not To V------WebKitFormBoundaryHGkfW3
Tom Simpson -- 1/10/2008, 10:42 pm
Re: To V Or Not To V------WebKitFormBoundaryHGkfW3
David Reekie -- 1/16/2008, 3:53 am
V-hull or not
Jay Babina -- 1/7/2008, 10:21 am
Re: V-hull or not
Dave Reekie -- 1/7/2008, 12:18 pm
V-hull or not------WebKitFormBoundarygF0AAApM+kRZG
Jay Babina------WebKitFormBoundarygF0AAApM+kRZGKWR -- 1/7/2008, 12:29 pm
Re: V-hull or not------WebKitFormBoundarygF0AAApM+
Toni V -- 1/8/2008, 2:11 pm
Re: V-hull or not------WebKitFormBoundarygF0AAApM+
Mike Savage -- 1/8/2008, 6:46 pm
Re: Other: To V Or Not To V
skiffrace -- 1/7/2008, 8:04 am
Re: Other: To V Or Not To V
Dave Reekie -- 1/7/2008, 9:24 am
Re: Other: To V Or Not To V
skiffrace -- 1/7/2008, 9:53 am
Re: Other: To V Or Not To V
Dave Reekie -- 1/7/2008, 10:26 am
Re: Other: To V Or Not To V
Toni V -- 1/8/2008, 2:05 pm
Re: Other: To V Or Not To V
David Reekie -- 1/10/2008, 6:44 am