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New boat for the Americas
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Granite View Drop Down
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    Posted: 30 Jun 05 at 9:35am

Originally posted by JimC

Originally posted by Ian29937

Rather than lifting the 'oh so fine' bow that kite looks like it is trying to bury it into the next wave.  I'm sorry, but it looks like a disaster in the making...


Spinnakers don't lift the bow in any circumstances, its a popular myth. They can lift the *boat* but they depress the bow. But lifting the boat does reduce pitchpoling. 

If the kite lifts the boat and the Center of Gravity is behind the point of lift then that will effectivly lift the bow

wether the kite lifts the bow all depends on the ratio between the length of the mast and horizontal distance between the mast and the end of the pole. The shape of the kite and the position of the kite sheet reletive to the CofG also makes a difference.

 
If it doesn't break it's too heavy; if it does it wasn't built right
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Unless you're close reaching, in which case it powers you up...

Could be entertaining!
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Posts: 6662 		Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 05 at 5:00pm
Originally posted by Ian29937

Rather than lifting the 'oh so fine' bow that kite looks like it is trying to bury it into the next wave.  I'm sorry, but it looks like a disaster in the making...


Spinnakers don't lift the bow in any circumstances, its a popular myth. They can lift the *boat* but they depress the bow. But lifting the boat does reduce pitchpoling.

The very flex forward mast with the asymmettric is certainly unconventional. Thinks, when a gust hits, the rig goes forward, centre of effort goes forward and the boat bears away automatically... I guess it has its points!
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Jack Sparrow View Drop Down
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Posts: 2965 		Post Options Post Options   Quote Jack Sparrow Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 05 at 12:36pm
Ummm.... that's what made me think that the STEALTH is a 'Super Size'
MX-Ray. Cos the Ray was a bit small with a narrow water line for BIG
Amercans, which maybe one of the reasons it didn't take off. The Ray on
the other hand does have a fractional Asymetric rather than a masthead
kite like the STEALTH, which could be a mistake on an unstayed mast. But
then again that could be one of the reasons for the odd main sheet
arangement. Maybe using leech tension on the main to back stay the
mast head?!!??? and put the loads back into the mast foot??? I'm not sure
about it and that's coming from someone that's got an MX-Ray    [:
s]
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Posts: 1991 		Post Options Post Options   Quote timnoyce Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 05 at 10:44am
looks like a curvy P7 from the back that last one! With that first boat you have to wonder what the ideal crew weight is as that helm isn't exactly the peak of physical fitness. or is he the average US sailor?! 
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Granite View Drop Down
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Posts: 476 		Post Options Post Options   Quote Granite Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 05 at 10:31am
Liking the reefing points
If it doesn't break it's too heavy; if it does it wasn't built right
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Jack Sparrow View Drop Down
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Posts: 2965 		Post Options Post Options   Quote Jack Sparrow Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 05 at 9:39am
I think that BONGO looks alright, apart from the name!
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sten View Drop Down
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Posts: 208 		Post Options Post Options   Quote sten Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 05 at 8:58am

The boat looking simular with a keel http://www.sailabongo.com/m/_general/bongo_photos.asp

Another disaster in the making, pitchpole it self rights and sails off

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Posts: 82 		Post Options Post Options   Quote guytoon Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 05 at 8:37am
When you just notice helm position upwind on the first pic and mast behaviour downwind I would say this boat will be a nightmare.
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Posts: 0 		Post Options Post Options   Quote Guest Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jun 05 at 10:31pm

I suspect it's sailed on the great lakes where there is not much wind.

Can you imagine that in 25 knots at Lymn Regis ... dive, dive dive ...
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