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  Topic Review (Newest First)
03-01-2007 08:48 PM
T34C More like a solution to a nonexistent problem.
03-01-2007 06:55 PM
Giulietta what problem?
03-01-2007 06:50 PM
agaliha Another solution in search of a problem.
03-01-2007 09:30 AM
Originally Posted by kennya
Itís a Power boat in disguise. Canít believe those stink potters masquerading as a sail boat.What will be next?
That's been going on for a while now.
03-01-2007 02:21 AM
RAGNAR 2 cents worth if that:

Last I read, no one understood the cavitation related strains on carbon canters.

It was suspected that these forces not only cause the dagger-like keels to snap, but they may stress the pivots and rams,
03-01-2007 01:47 AM
deckhanddave Well I have to give him a nod for trying, from a design stand point I'm surprised it actually worked. The amound of stress put on that "ring" is HUGE. Not only does it have to deal with compression forces from the mast, but now it needs to deal with torsional loads from both the keel and the mast! I can only sit here thinking of the bearing set up and scratching my head. The other thing thing I wondered about was groundings. With this design the entire keel is held into place by a singe ring of steel which is attached to the boat by bearings and some sort of race/gland. this makes for a very small attachment point not to mention that there is NO keel stub. With centerboards there is at least the reinforced trunk.

One last thing, while this might be a pretty half baked idea for a mast/keel combo, it makes an interesting idea of a less stress inducing canting keel. I really don't know too much about it, but it seems that the main weakness of the cantings are their central pivots with hydrolic rams. With an external ring the entire boat would be a bearing. there is still the issue of the force required to move the thing, so maybe it wasn't a good idea afterall...

And what's with all the French bashing, they make some damn fine tris! Go on youtube and look for videos of those 60ft maxis charging though the waves at 40kts. Makes me drool a bit.
02-28-2007 10:51 PM
Sailormann That's just wrong...
02-28-2007 04:06 PM
kennya It’s a Power boat in disguise. Can’t believe those stink potters masquerading as a sail boat.What will be next?
02-28-2007 03:45 PM
T34C Look on the bright side, there shouldn't be any accidental jibe with that rig. Gravity should keep the boom from coming accross.
02-28-2007 01:37 PM
Originally Posted by Idiens
Flying a spinnaker must be fun too.
I don't think it would fly...per it more like a spinnaker "dragging" a boat.....

Hey...we should revive the rich in knowledge deck/stepped mast thread with this....I'm sure we'd be bombarded with wise opinions.....
This thread has more than 10 replies. Click here to review the whole thread.

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