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iGRF View Drop Down
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    Posted: 21 May 13 at 11:06pm
I'm minded to have a look at bringing this old hulk up to date with an Assym set up and I've been looking around for some old mingers to have a mess about with, but I notice some seem to have a hole up front for the chute, but others don't so what's going on here?

There are also some that seem to be at pains to crack on about narrow bows, so that must mean there are wide bows, what's all that about, anyone care to give me a potted history, in my day they were a *yuppie boat towed around by Escort Mexico's and avoiding the sea at all costs.

The reason for this, we find ourselves my new crew and I, too short and too light for the jolly old Alto of joy, have no interest whatsoever in revisiting the RS500, especially having heard it's history, but want a single trap assym with centreboard which of course there are none.

So a Fireball with a proper modern rig on it might suit the bill, no I don't care what they think since I won't be racing them, they should have done this long ago.

*cept they didn't call them yuppies.

Edited by iGRF - 21 May 13 at 11:07pm
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Ian29937 View Drop Down
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Post Options Post Options   Quote Ian29937 Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 13 at 11:17pm
Originally designed as a hiking 2 sail beach boat, the design and the rules evolved as first the trap and then the kite were added.

You can have a chute or use bags, your choice, but due to the low freeboard and generally wet nature of the boat, most people don't find it fast to carry a kite full of water in the bow area.

The boat was designed for home build so has some quite big tolerances. This allowed the Aussies to build a very wide bow, low rocker design in the 80's which has become the norm since - longer waterline, better earlier planning and plenty of volume up front to bounce over waves better.

They tried an asymmetric and I think discarded it as being a difficult, expensive and unsuccessful change.

Actually a really nice boat to sail upwind in a blow...

Ian

Edited by Ian29937 - 21 May 13 at 11:20pm
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andymck View Drop Down
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Post Options Post Options   Quote andymck Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 13 at 1:11am
Actually was a river boat. Fireball 1 was launched at Trent Valley sailing club. The original photos are still in the club scrapbook. We used to spend ages trawling through them as kids.
I believe the asymmetric was tried by winders and found to he no faster and less versatile. There was an article in Y and Y about it at the time. The rest of the rig looked standard from what I can remember and am sure there was not a canting pole system.



Edited by andymck - 22 May 13 at 1:12am
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RS400atC View Drop Down
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Post Options Post Options   Quote RS400atC Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 13 at 8:10am
I suggest trying a twin trap setup on the Alto.
Are all the 'dead' asy SMODS like Buzz, Spice, Iso dagger board?
Would it be easier to stick a centreboard case in one of these or a 4000 than to retrofit a sprit to a Fireball?
But splicing an extra trap wire is an afternoon's experiment.
 
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JimC View Drop Down
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 13 at 8:22am
Putting a pivoting centreboard into one of those double bottom boats would be a pretty nasty job because you need, of course, to make it 100% watertight and access would be very difficult. You'd really need to split hull and deck, and by the time you've done all that, well, you might almost as well build a new boat.

I suggest that for the original frankenboat concept a 470 might be a better donor than a Fireball.
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Post Options Post Options   Quote MattTrinder Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 13 at 8:30am
>> Are all the 'dead' asy SMODS like Buzz, Spice, Iso dagger board?
Yep they are.

There are several Single Trap Assymetrics with a centerboard :-

Topper Vibe/Magno/Omega/Xenon
Laser Bahia/Vago

Can't think of any that are not roto-molds though...


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gordon1277 View Drop Down
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Post Options Post Options   Quote gordon1277 Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 13 at 8:35am
Hi Grf
Stick a trapeze on am old rs 400.centreboard, asymetric and old one getting cheap.
with the large beam making up for your weight and stature.
Gordon
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Post Options Post Options   Quote Mister Nick Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 13 at 8:40am
Originally posted by iGRF

I'm minded to have a look at bringing this old hulk up to date with an Assym set up and I've been looking around for some old mingers to have a mess about with, but I notice some seem to have a hole up front for the chute, but others don't so what's going on here?

There are also some that seem to be at pains to crack on about narrow bows, so that must mean there are wide bows, what's all that about, anyone care to give me a potted history, in my day they were a *yuppie boat towed around by Escort Mexico's and avoiding the sea at all costs.

The reason for this, we find ourselves my new crew and I, too short and too light for the jolly old Alto of joy, have no interest whatsoever in revisiting the RS500, especially having heard it's history, but want a single trap assym with centreboard which of course there are none.

So a Fireball with a proper modern rig on it might suit the bill, no I don't care what they think since I won't be racing them, they should have done this long ago.

*cept they didn't call them yuppies.

Refering to the RS500... what do you mean by 'it's history', just out of interest?
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Rupert View Drop Down
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Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 13 at 8:40am
If GRF already has the FB, then it makes it by far the best choice to butcher, surely?

Somehow, scow bowed boats with a bowsprit always look somewhat strange, but plenty of the yankee scows have them, so they must work.

The FB's tried it in the early days, but I think there was a lack of true understanding of what makes am assy boat work well, and how much bigger the kite needs to be than a sym one for it to actually be faster round the course.
Firefly 2324, Puffin 229, Minisail 3446 Mirror 70686
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iGRF View Drop Down
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Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 13 at 8:45am
I'd thought of the 470 and agree it badly needs doing, but we have a couple racing and they wouldn't like us messing about, which would inevitably end in handicap tears, same story with the RS400 there are two or three of them racing as well and they'd whine even more if we started trapping.

The Fireball is relatively unknown down here probably because of the water condition but if the donor boat was cheap enough a risk I'm prepared to take, I dare say when they tried it with an assym they didn't go all that big with the kite or fit a swivel pole a la Alto and have they got a carbon rig?
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