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Re: Skin-on-Frame: Sea Sled catamaran prototype
By:Etienne Muller
Date: 7/2/2008, 6:35 am
In Response To: Re: Skin-on-Frame: Sea Sled catamaran prototype (Bill Hamm)

: Hi Carl,

: Very interesting. I see there are considerable differences between your cat
: and mine. Still these hulls are wildly skinny :)

: Bill H.

I wonder if these asymetrical hulls are not going to create drag through lift. I would think that the flow passing along the flat side is going to pass more easilly than the flow along the curved side, creating the effect of the hulls wanting to separate. Not being able to do this there could be vortices formed which will interrupt the flow.

If I were to build such a boat I would consider two thin but symetrical hulls, perhaps with not too much of a knife edged keel, as this, while giving direction, may also cause drag.

It will be very interesting to hear how these boats go. I am sure we all want to build one, so we will let you guys iron out the bugs.

Et

Messages In This Thread

Skin-on-Frame: Sea Sled catamaran prototype *LINK*
Carl Delo -- 7/1/2008, 11:36 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/3/2008, 1:30 am
Re: Skin-on-Frame: Sea Sled catamaran prototype *Pic*
Carl Delo -- 7/3/2008, 8:47 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/3/2008, 9:38 am
Re: Skin-on-Frame: Sea Sled catamaran prototype *LINK*
Carl Delo -- 7/3/2008, 8:34 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/3/2008, 9:43 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/2/2008, 1:31 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Etienne Muller -- 7/2/2008, 6:35 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/3/2008, 1:58 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Etienne Muller -- 7/3/2008, 9:19 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Carl Delo -- 7/3/2008, 8:10 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/10/2008, 3:10 am
Re: Skin-on-Frame: Sea Sled catamaran prototype *LINK*
Carl Delo -- 7/10/2008, 9:04 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/11/2008, 10:04 am
Re: Skin-on-Frame: Sea Sled catamaran prototype *Pic*
Carl Delo -- 7/11/2008, 10:53 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/11/2008, 11:28 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/21/2008, 1:38 am
Re: Skin-on-Frame: Sea Sled catamaran prototype *LINK* *Pic*
Carl Delo -- 7/22/2008, 10:39 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/23/2008, 9:53 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Carl Delo -- 7/23/2008, 10:20 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/24/2008, 3:04 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Carl Delo -- 7/24/2008, 11:41 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/25/2008, 12:21 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/26/2008, 2:07 am
Re: Skin-on-Frame: Sea Sled catamaran prototype *LINK*
Carl Delo -- 7/27/2008, 11:45 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/29/2008, 4:26 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype *Pic*
Carl Delo -- 7/29/2008, 4:48 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/31/2008, 9:00 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Carl Delo -- 7/31/2008, 9:36 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/31/2008, 6:55 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 8/4/2008, 12:53 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 8/6/2008, 3:52 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/31/2008, 12:39 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype *Pic*
Carl Delo -- 8/1/2008, 12:40 am
Re: Skin-on-Frame: Sea Sled catamaran prototype *LINK*
Pablo -- 9/26/2008, 3:14 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype *LINK*
Pablo -- 9/26/2008, 3:18 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Carl Delo -- 9/27/2008, 11:17 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 8/1/2008, 9:45 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/30/2008, 1:45 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/28/2008, 2:37 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/24/2008, 10:54 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/23/2008, 3:24 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/23/2008, 8:49 am
Re: Skin-on-Frame: Sea Sled catamaran prototype *NM*
Bill Hamm -- 7/23/2008, 8:45 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/10/2008, 4:47 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/5/2008, 1:52 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Carl Delo -- 7/5/2008, 6:54 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/5/2008, 7:43 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype *Pic*
Carl Delo -- 7/5/2008, 11:38 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/7/2008, 6:55 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/8/2008, 5:57 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/6/2008, 2:10 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/5/2008, 7:39 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Etienne Muller -- 7/4/2008, 4:53 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Carl Delo -- 7/2/2008, 10:05 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/2/2008, 12:22 pm
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/2/2008, 9:34 am
Re: Skin-on-Frame: Sea Sled catamaran prototype
Bill Hamm -- 7/2/2008, 9:20 am