Chris, Now I am getting confused enough to write in. I would swear that on a true swing-keel boat (like my Potter 14) the righting force increases with speed and as the board approaches the horizontal. I have been knocked so far over by a gust that I could see the whole board under the surface, but the boat would not capsize. True, the sails spill some wind as the boat tilts, but I think that is a minor component keeping the boat upright. It sure as heck is not the weight of the iron board or the water resistance, because "over you go" if you are dead in the water and get hit broadside. Please clue me in, you marine architects, engineers, and physicists. Tom Jenkins M17 Scintilla ----- Original Message ----- From: "Chris Smith" <chris.r.smith@gmail.com> To: "For and about Montgomery Sailboats" <montgomery_boats@mailman.xmission.com> Sent: Monday, July 13, 2009 9:50 AM Subject: Re: M_Boats: death roll broach
The board was down at the time. From reading the wikipedia stuff, it looks like if the board was up it could have been worse...
On Mon, Jul 13, 2009 at 11:48 AM, <SALGLESSER@aol.com> wrote:
Hi Chris,
Was the board down at the time?
Would the board being up or down have made a difference?
sal
In a message dated 7/13/2009 10:46:46 A.M. Mountain Daylight Time, chris.r.smith@gmail.com writes:
Just talked to one of my passengers and she thought that the boom didn't cross the cockpit until we we were already in the water. I'm thinking there was a broach and, combined with the weight distribution, the deathroll. Fortunately, it seemed we went over before the boom swung over into the water and there was no damage to the rigging or hardware. The knockdown was quick, too. After we were all in the water, I swam around to the other side and pulled just a bit on the keel and the boat popped right back up. No one was hurt, and now, a couple days after the fact, they've developed good senses of humor about it.
again, <chuckle>
Chris
On Mon, Jul 13, 2009 at 11:22 AM, Joe Murphy <seagray@embarqmail.com> wrote:
Hey Everybody!!! Read what Dave sent. And don't forget your preventer!! Thanks for digging this up, Dave. Joe Seafrog
----- Original Message ----- From: "W David Scobie" <wdscobie@yahoo.com
To: "For and about Montgomery Sailboats" < montgomery_boats@mailman.xmission.com> Sent: Monday, July 13, 2009 11:58 AM Subject: Re: M_Boats: death roll broach
sounds like you experienced a 'death roll broach' -
http://en.wikipedia.org/wiki/Death_roll
dave scobie M17 #375 - SWEET PEA
--- On Mon, 7/13/09, Chris Smith <chris.r.smith@gmail.com> wrote:
I had a little knockdown event this past weekend with some first time sailors and I fear I scared them away from sailing for a while... :( The odd thing about it was that we were traveling down wind with the main at 60deg to starboard and we tipped over to port! I'm thinking it was something to do with weight distribution (it didn't help that I was putting on my shirt at that moment and couldn't see what happened...).
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