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Re: A cat vs F-16 [Re: Rolf_Nilsen] #67293
02/21/06 06:31 AM
02/21/06 06:31 AM
Joined: Sep 2001
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Switzerland
alutz Offline
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Quote

what platform will allow my 97kgs to get out on trapeze first?


The 18HT of course
I single hand my 18HT up to 4 Bft.

But I'm sure that you can trapeze earlier on the A-Cat than on the F16 (plattform is wider and has a shorter mast)
[Linked Image]

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Last edited by alutz; 02/21/06 06:37 AM.

Andi, Switzerland
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Re: A cat vs F-16 [Re: Rolf_Nilsen] #67294
02/21/06 06:57 AM
02/21/06 06:57 AM
Joined: Jun 2001
Posts: 9,582
North-West Europe
Wouter Offline
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Quote

Wouter or others: what platform will allow my 97kgs to get out on trapeze first?



I'm not really sure actually. That is when limiting the comparison to F16 and A-cats.

I know for certain that on the downwind legs the F16 will have you trapezing first under spinnaker; as a matter of fact you hardly ever do the wildthing on the F16's, there is always enough power to keep you on the luff hull. Of course when the winds are too light to fill the spi properly then no catamaran will pull 97 kg on the trapeze on downwind legs.

On the upwind however I'm not too sure which of the two will put a man on the wire first (when singlehanding). The A-cat has a taller mast 9 mtr compared to 8.5 mtr but then again the F16 has more sailarea 15 sq. mtr. to 13.7 sq. mtr. These two aspect seem to balance one another quite well. Of course the A-cat is both lighter and narrower as well so maybe the A-cat goes to the trapeze sooner on the upwind legs. Having said this, the F16 comes standard with a double hander mainsail that can be trimmed for singlehanding by making it flatter. So in effect the standard F16 mainsails are cut to pull 120-150 kg on the wire in about 10 knots of wind. This means that a singlehander will be pulled to the trapeze alot sooner, even when the guy is 97 kg's. On the other hand both classes allow the owner to order a mainsail to suit his weight and style of sailing so in effect each boat can be made to pull a 97 kg sailor to the wire at exactly the same moment. So can do this even at quite low windspeeds even, when you are willing to accept that in the stronger winds you'll get hit more.

So I guess it all dependents on what kind of hardware you fly on either boat.

I personally use my doublehander mainsail, cut for 150 kg combined crew weight, both for singlehanded sailing and racing. I notice that I need to depower it pretty soon; I'm 85 kg. Up till now I haven't been able to see on the water when the A-cat could fly and I couldn't. Most often there was too much wind and we were both out; in addition the sailor on the A-cat in my club races is not really of the same sailing skills and he is considerably behind me in the races. Not his fault however. I'm 33 and he is 76 years of age. I have alot of respect that he is still sailing cats at that age. In other races where I shared the same course with A's of skill I was double handing.

Wouter

Last edited by Wouter; 02/21/06 07:23 AM.

Wouter Hijink
Formula 16 NED 243 (one-off; homebuild)
The Netherlands
Re: A cat vs F-16 [Re: Rolf_Nilsen] #67295
02/21/06 07:49 AM
02/21/06 07:49 AM
Joined: Feb 2005
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Essex, UK
Jalani Offline
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Rolf,

The only time I've come up against an A in marginal trapezing conditions, it was a 5-6 yr old Unicorn. Wind was about 5 - 8 knots and with the F16 I was out on the trapeze much more than the guy on the A. I'm just over 10 stone and I would guess that the A sailor was over 11 stone but about my height (5' 10").

Don't know if this really helps though..........


John Alani
___________
Stealth F16s GBR527 and GBR538
Re: A cat vs F-16 [Re: Jalani] #67296
02/21/06 07:56 AM
02/21/06 07:56 AM
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Sebring, Florida.
Timbo Offline
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OK, I'll ask, for the rest of us who don't throw stones...what does a "Stone" weigh?? (10 Stone = how many Kg or lbs.?)


Blade F16
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Re: A cat vs F-16 [Re: Timbo] #67297
02/21/06 08:04 AM
02/21/06 08:04 AM
Joined: Mar 2005
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Northfield,NH USA
bullswan Offline
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If I remember correctly, a stone is like 14 lbs.

....... but a rolling stone will give you a hell of a bruise.


The nice part about being a pessimist is that you are constantly being either proven right or pleasantly surprised. - George Will
"It's not that liberals aren't smart, it's just that so much of what they know isn't so" -Ronald Reagan
Re: A cat vs F-16 [Re: Timbo] #67298
02/21/06 08:05 AM
02/21/06 08:05 AM
Joined: Oct 2001
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Dublin, Ireland
Dermot Offline
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Quote
OK, I'll ask, for the rest of us who don't throw stones...what does a "Stone" weigh?? (10 Stone = how many Kg or lbs.?)

14 lbs. = 1 Stone


Dermot
Catapult 265
Re: A cat vs F-16 [Re: Dermot] #67299
02/21/06 08:11 AM
02/21/06 08:11 AM
Joined: Feb 2005
Posts: 1,382
Essex, UK
Jalani Offline
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Sorry guys, showing my age.... I only work in proper measures, can't be bothered with all this new-fangled decimal stuff

Just my 2 groats worth....


John Alani
___________
Stealth F16s GBR527 and GBR538
Re: A cat vs F-16 [Re: Jalani] #67300
02/21/06 08:14 AM
02/21/06 08:14 AM
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Posts: 9,582
North-West Europe
Wouter Offline
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A unicorn is quite a bit underpowered compared to a modern A-cat. I think they only have 12 sq.mtr of sailarea and a 8 mtr tall mast. Not too sure wether they are a good approximation.

Wouter


Wouter Hijink
Formula 16 NED 243 (one-off; homebuild)
The Netherlands
Re: A cat vs F-16 [Re: Wouter] #67301
02/21/06 12:37 PM
02/21/06 12:37 PM
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West coast of Norway
Rolf_Nilsen Offline
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I was indeed wondering about what boat would allow my heavy butt out on the trapeze first, between an A and a F16.
Thank you for the answers. I understand that the question is undecided but pretty similar?

I was pretty certain that it would be the A, as it is lighter and have a longer mast, but what do I know..

In my view the 18HT is a two person boat. If the wind increases, you would be seriously overpowered on it. I 'do' the Tornado solo from time to time, and it's just insane in any kind of wind. Not something I want to risk on a regular basis.

The M-18 Marstrøm used to sell, was that the same boat as his A with longer beams?

Re: A cat vs F-16 [Re: fin.] #67302
02/21/06 01:06 PM
02/21/06 01:06 PM
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Posts: 395
LA
Acat230 Offline
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Pete:

Maybe I can simplify this for you.

1. If you want the highest quality class racing, no question the A-class is the choice. Other than the Tornado class, you will not see as much depth in any other class. At our 42 boat US Midwinter race week, there were four Olympians (three were medalists), 3 world champions, at least 8 sailors who had won national or North American titles, and then a bunch who have consistently finished in the top echelon of various class championships. The racing is not boring at all!
2. The F-16 is a great package. As a two man sloop, I believe it has the potential with the right sailors to be faster than the F18 except in light air (the F18 pays a big penalty with its weight if the crew is not on the wire). Once the F-16 is powered up, it rolls. The A-cat is always faster upwind but is not as fast downwind in over 6-7 knots. Even though it is lighter, it cannot keep back over twice the sail area the F-18's and F-16's have at hand. If you want a boat that you can race with 1 or 2 persons and really want a spinnaker, the F-16 is probably the better choice for you.
3. An A-cat is as durable as an F-18 or F-16. The boat does not have to built as heavy because the loads are lighter due to the rig and it is designed for singlehanding. I've owned three boats and they were all excellent. You should get easily a minimum 5-7 year competitive life from your investment.
4. The A-class does not want spinnakers for class racing. The racing itself is very tactical without them and the class loves the simplicity. Jennifer Lindsey (an excellent F-16 sailor) got an A-cat because of that simplicity. Yes, spinnaker boats are great (I've sailed many) but I've never found the A-cat boring at all. You really have to put the time in the A-cat to be fast downwind and I love the challenge of refining my downwind technique in the boat. I've toyed with the idea of a spinnaker for my A-cat but am quite happy leaving the boat the way it is. I'd rather have the quick setup and rigging time and focus on refining my boatspeed for class racing which I enjoy the most.

Hope this viewpoint helps.

Bob Hodges
A2 USA 230

Re: A cat vs F-16 [Re: Rolf_Nilsen] #67303
02/21/06 04:31 PM
02/21/06 04:31 PM
Joined: Oct 2002
Posts: 1,226
Atlanta
bvining Offline
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Rolf,
I sail the HT singlehanded and its awesome under 10knts - flat water, flying the spin. Every other boat in the harbor is standing still and the HT is cranking along. Very cool.

My only worry is righting it, I cant right it by using a righting line alone. And worrying about doing it with a bag or a pole takes some of the enjoyment out of it, I dont feel like I can press it as hard.

Thats one of the reasons I got the A cat, I wanted to be able to sail it alone, and be able to right it without any worries.


Bill

Re: A cat vs F-16 [Re: Wouter] #67304
02/21/06 04:48 PM
02/21/06 04:48 PM
Joined: Oct 2002
Posts: 1,226
Atlanta
bvining Offline
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Wouter
The quite a few of the HT's went with the double forestays and didnt have a problem gybing the kite. Generally the pole is out in front of the bows and the forestays are attached a ways back on the bows, so I dont see how it will be an issue on an 18ft boat - A cat, HT, etc.

It might be an issue on an F16 because you have less bow, perhaps, but on an 18ft boat you wont have a problem. Keep the pole long and the luff long and you wont have to worry about the forestays interfering with the sheeting angle.

As far as keeping the pole supported, I think you could use sticks and mount them over the forestay eyes and make it removeable. This would support the pole and keep it in place without drilling holes in your bows. The other issue is on a modern A cat, the bows dont come to a point (XJ, A2, etc), so there is no perfect mounting spot, so I would move it back to the forestay eyes.

Bill

Re: A cat vs F-16 [Re: bvining] #67305
02/21/06 06:16 PM
02/21/06 06:16 PM
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Posts: 3,348
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fin. Offline OP
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How 'bout surf? I like to sail at Daytona and would also like to do the JPOR again? Will either of these boats handle open water?

Re: A cat vs F-16 [Re: tshan] #67306
02/21/06 06:42 PM
02/21/06 06:42 PM
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fin. Offline OP
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Quote
Seriously, Pete. What are your top 8 to 10 characteristics that you want in a beach cat?


Ok, Tom. Why did you choose the Blade?

Re: A cat vs F-16 [Re: fin.] #67307
02/21/06 08:28 PM
02/21/06 08:28 PM
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Eastern NC, USA
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tshan Offline
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Quote
How 'bout surf? I like to sail at Daytona and would also like to do the JPOR again? Will either of these boats handle open water?


2005 version of JPOR: fleet of F16s and at least one A in the fleet (according to the pictures)

http://www.floridamultihullsailor.com/jpor2005_web/JPOR2005_p1.htm


Tom
Re: A cat vs F-16 [Re: fin.] #67308
02/21/06 08:52 PM
02/21/06 08:52 PM
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Eastern NC, USA
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tshan Offline
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Ok, Tom. Why did you choose the Blade?


I went F16 for the versatility. My situation was/is: inland lake sailing most of the time (light air/flat water), buoy racing most of the time, no consistent crew on N5.5SL and young kids getting to the age where they'd enjoy sailing (ages 6 and 8). I was looking for these characteristics in a boat (in no particular order):

1. Lightweight, I need to be able to handle the boat by myself (8 year olds aren't that much help) in the water and out of the water (I weigh 155 lbs dripping wet)
2. Able to single-hand easily (even if racing in an F16 fleet). I'd give up 18 inches in mast height to N5.5 Unis from my N5.5 SL-to-Uni set up.
3. Good light air boat, see local conditions above (no class min weight either).
4. Fast out of the box, I don't have a ton of time to tinker (I'd like to but....)
5. Integrated class legal spinnaker
6. Ability to be "Competitive" at coastal regattas/distance racing from time to time. "Competitive" meaning the boat is potentially quick. Crew ultimately decides "competitive".
7. Production built, my wife wouldn't let me take "her" children on any boat I built.
8. Racing centric atmosphere. I enjoy the post race breakdown/bragging sessions as much as the racing. Being with like minded people is fun.

I had a tough time deciding between the Blade F16 and the Stealth F16. Both seem to be awesome boats, but the Blade has a "local" manufacturing presence lending to an assumption that it will proliferate quicker in the US (can you say Alter Cup boat in '07). Theoretically, parts will be easier to get, etc. I still may try the Stealth rudder system on the Blade .

That about sums it up. Thoughts?


Tom
Re: A cat vs F-16 [Re: tshan] #67309
02/21/06 08:57 PM
02/21/06 08:57 PM
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St Petersburg FL
Robi Offline
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Good thread

Pete, if you are ever in South FL area, let me know. I might be able to setup a test sail on the Blade.

Re: A cat vs F-16 [Re: Robi] #67310
02/22/06 06:14 AM
02/22/06 06:14 AM
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fin. Offline OP
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Tom:

I've decided on the Blade, just waiting to hear back from Vectorworks.

The versatitility was the biggest factor.
The absolute final point in the decision process was the video, on the F-16 site, of the Blade being sailed solo! The slightly lower cost was also a factor. That difference will go a long way in experimenting with sails! I will still, almost certainly, buy an A cat. Just, not this time around.

Robi:

Thanks for the offer. Hopefully, by the time we set it up, you can give me some rigging tips!

Anyone know how long it takes to get delivery?

Last edited by Tikipete; 02/22/06 06:22 AM.
Re: A cat vs F-16 [Re: fin.] #67311
02/22/06 06:57 AM
02/22/06 06:57 AM
Joined: Feb 2005
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Essex, UK
Jalani Offline
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Way to go, Pete!!


John Alani
___________
Stealth F16s GBR527 and GBR538
Re: A cat vs F-16 [Re: fin.] #67312
02/22/06 09:59 AM
02/22/06 09:59 AM
Joined: Feb 2004
Posts: 41
S
Seth Offline
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Pete,

I know you were down at Gulfport Yacht Club last weekend.
I didn't have my Taipan set up, but if you are wanting to sail F16 single handed let me know and come back to the club and you are welcome to take my boat out.
A cat vs. f16 is one thing. Spinnaker vs. non-spinnaker.
No reason to junk up an A Cat with a spinnaker. An A cat is what it is, a perfect single handed boat with no spinnaker. An F16 has pure versatility with a spinnaker.
Let me know and come on down.

Seth

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