| New F16: Cirrus Q #240863 12/06/11 09:48 AM 12/06/11 09:48 AM |
Joined: Jul 2007 Posts: 976 France pepin OP
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OP
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Posts: 976 France | I can't find anything about it but the concept drawings. | | | Re: New F16: Cirrus Q
[Re: pepin]
#240866 12/06/11 10:16 AM 12/06/11 10:16 AM |
Joined: Jan 2009 Posts: 5,525 pgp
Carpal Tunnel
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Carpal Tunnel
Joined: Jan 2009
Posts: 5,525 | I haven't heard a word but it looks nice.
Pete Pollard Blade 702
'When you have a lot of things to do, it's best to get your nap out of the way first.
| | | Re: New F16: Cirrus Q
[Re: pepin]
#240881 12/06/11 11:17 AM 12/06/11 11:17 AM |
Joined: Jan 2005 Posts: 6,049 Sebring, Florida. Timbo
Carpal Tunnel
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Carpal Tunnel
Joined: Jan 2005
Posts: 6,049 Sebring, Florida. | Is it me or are the new F16's (Nacra, now this) getting flatter across the bottom? I guess if you can get it up on a full hull plane going downwind, it would be faster, but what about the trade off, going upwind?
Blade F16 #777
| | | Re: New F16: Cirrus Q
[Re: pepin]
#240887 12/06/11 12:47 PM 12/06/11 12:47 PM |
Joined: Jan 2009 Posts: 5,525 pgp
Carpal Tunnel
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Carpal Tunnel
Joined: Jan 2009
Posts: 5,525 | When a boat heels a flat bottomed hard chined shape becomes a vee. Said shape should go to weather better...I think...maybe..
Pete Pollard Blade 702
'When you have a lot of things to do, it's best to get your nap out of the way first.
| | | Re: New F16: Cirrus Q
[Re: pepin]
#240890 12/06/11 01:12 PM 12/06/11 01:12 PM |
Joined: Jan 2005 Posts: 6,049 Sebring, Florida. Timbo
Carpal Tunnel
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Carpal Tunnel
Joined: Jan 2005
Posts: 6,049 Sebring, Florida. | Well, why no chines on anything else then? I think the roundness is to reduce overall wetted surface, upwind and down, but it's a compromise, as is the flat bottom.
Blade F16 #777
| | | Re: New F16: Cirrus Q
[Re: pepin]
#240891 12/06/11 01:14 PM 12/06/11 01:14 PM |
Joined: Jan 2009 Posts: 5,525 pgp
Carpal Tunnel
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Carpal Tunnel
Joined: Jan 2009
Posts: 5,525 | Prolly a little bit of fashion consciousness and I think it would be hard to get out of the mold. Having a hull "locked" in the mold is not good.
Pete Pollard Blade 702
'When you have a lot of things to do, it's best to get your nap out of the way first.
| | | Re: New F16: Cirrus Q
[Re: pepin]
#240901 12/06/11 03:06 PM 12/06/11 03:06 PM |
Joined: Oct 2011 Posts: 217 Palm Harbor, FL daniel_t
enthusiast
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enthusiast
Joined: Oct 2011
Posts: 217 Palm Harbor, FL | I'm reminded of a youtube video I saw once but now cannot find, of a catamaran that was basically two surfboards for hulls. The designer claimed that it was much faster than the wave piercing designs that are currently in vogue.
Daniel T. Taipan F16 - USA 213 | | | Re: New F16: Cirrus Q
[Re: Timbo]
#240938 12/07/11 06:08 PM 12/07/11 06:08 PM |
Joined: Oct 2011 Posts: 217 Palm Harbor, FL daniel_t
enthusiast
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enthusiast
Joined: Oct 2011
Posts: 217 Palm Harbor, FL | I'm still waiting for someone to join two foiling Moths toghether and have a poor man's foiling cat! That's been done too. I saw a video (again, I can't find it now) of an A-Cat that had foils on the daggerboards and a foil on a single rudder in the back. The thing didn't heal at all because of the forward foils (or maybe because the wind was light?)
Daniel T. Taipan F16 - USA 213 | | | Re: New F16: Cirrus Q
[Re: pepin]
#240955 12/08/11 10:14 AM 12/08/11 10:14 AM |
Joined: Jan 2005 Posts: 6,049 Sebring, Florida. Timbo
Carpal Tunnel
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Carpal Tunnel
Joined: Jan 2005
Posts: 6,049 Sebring, Florida. | Dave Carlson made up a Cheetalope A cat with an in verted A type foil I believe. Check this out: http://www.fastsail.com/catcobbler/ and http://www.fastsail.com/catcobbler/afoil4.html I would think it would not be too hard for one of the more creative A cat builders to put in some sort of angled dagger board slots, front and rear, where you could slide in 4 regular dagger boards, one at each corner, at say a 45 degree angle, which at speed would lift both hulls up evenly, by the four corners (where the daggers would be, or around the beam mount areas), and use standard rudders (although deeper) to steer it. The biggest problem I see is trying to use T foils, where it's a pain in the butt to put them in/take them out, when trying to launch the boat, like the old Hobie Tri Foilers, not to mention the 'weed catching' ability of a T foil.
Blade F16 #777
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