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If they're so identical how come some are qui

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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 Topic: If they're so identical how come some are qui
    Posted: 18 Jan 16 at 9:32am
So here's one to ponder over. There's this old wooden solo down the lake not particularly light, but when the wind becomes spectral, it is astonishingly quick, it just ghosts along and no matter how bad a start, not that the helm isn't half decent, but he just chomps his way through the fleet to the front often winning over the water against boats with much faster handicap.

Now I haven't managed to get a really good look under the bonnet so to speak, but come on you 'One Designs are everything', what's going on here?

If I were to guess I'd speculate that the wooden bottom got warped at birth in some convex way that produced a more rounded underwater shape that gives an optimum wetted surface when not ploughing through the water fast, but it's not obvious to the cursory glance.

And yes he bloody beat me again yesterday..

Edited by iGRF - 18 Jan 16 at 11:29am
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jeffers View Drop Down
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Post Options Post Options   Quote jeffers Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jan 16 at 9:36am
The Solo has quite a wide tolerance range as it was intended for home building long before modern CNC moulds came along.

My guess would be that the shape works best in ghosting conditions as it may have a lower wetted areaby default than the contemporary Winder/Boon/Gosling/Severn boats. Or the owner may have a good rig setup for the light or they may simply be just good in light winds. 


Edited by jeffers - 18 Jan 16 at 10:13am
Paul
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jan 16 at 10:05am
Sure it isn't the driver? We've got one old boy in his 80s with a Solo who is devastatingly quick in drifting conditions. Superficially you'd think he's just sitting there doing nothing, but if you watch really carefully he's constantly making tiny adjustments to sheeting etc. I've come to the conclusion that he's just very very good at that stuff. Mind you any Solo is a very good weapon in drifting conditions anyway.
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Post Options Post Options   Quote Neptune Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jan 16 at 10:17am
I'd have said it was all in the helmsman.  Some people are very good at "mental" sailing.  I'm not, if the physicality is missing my brain seems to switch off
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Post Options Post Options   Quote davidyacht Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jan 16 at 10:39am
I had a very good day for the first one hour and forty minutes at the Steamer in a my Solo in drifting conditions, which for a while was being led by 4 Jack Holt designed boats, a Mirror, 2 Solos and an Ent.  

On reflection I put this down to the fact that more people are sailing high prismatic boats, which have been designed for powered up sailing, but are sticky in the light.

I worked my way past the Ent when it went broad and he lost the benefit of  a slot, but he couldn't goose wing, I think the fully battened Solo main helps, because it holds its aerofoil shape, however as the previous poster stated, it requires constant adjustment and it is extremely critical on balancing the kicker tension and not over sheeting.

I should add that the wind filled in for the last 20 minutes and the Aero 9 and a gaggle of Lasers picked up their skirts and left me standing.

On a technical point, my understanding is that the fast Wood Solo's had tortured bows by applying a Spanish windlass until the builder heard the splintering of plywood.  I think that you will fing that most of the dirigeur FRP Solos are based, if not moulded from, the faster wooden Solo shapes, notably the product of Kevin Gosling.

That is not to take anything away from the skill of the sailor, he may also know the nuances of the lake better than anyone else.
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Post Options Post Options   Quote jeffers Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jan 16 at 11:38am
Originally posted by davidyacht

On a technical point, my understanding is that the fast Wood Solo's had tortured bows by applying a Spanish windlass until the builder heard the splintering of plywood.  I think that you will fing that most of the dirigeur FRP Solos are based, if not moulded from, the faster wooden Solo shapes, notably the product of Kevin Gosling.


And the Thresher boats. We have (had) a very quick Thresher wooden Solo, he has now bought a plastic boat.
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Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jan 16 at 11:46am
So, any idea of the numeric range of those poor tortured Solo's just for academic interest and I'll cross reference it with the number of this one we have.

I agree helm input is important, but this lake is full of quite competent helms (and even more competent handicaps)I'm also no slouch when it goes light, I learned very early on if you are to have any hope in series events then the biggest potential losses come in light winds when the number of competitors and their competency increases exponentially and it become entirely about concentration, out of boat awareness, heel to keep sail shape and to minimise wetted surface,(hull dependant). He however sounds like the 80 yr old up there, he just sits there, maybe he is micro adjusting, but it doesn't seem that way at times he even has the rig the wrong way and not deliberately so, it is the boat.

So the spanish windlass where is that applied" longitudanly to increase the rocker?
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jan 16 at 12:03pm
A lot of the skill I think is also in knowing when not to adjust and react. I'm not much cop in the light, and find myself over reacting. Compared to old Frank I seem to be forever chasing eddies and oddities in the wind that go nowhere. He seems to be able to distinguish between real wind changes and phantom effects with the result that whilst my boat is constantly disturbed and unsettled his is always smooth and calm.
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Post Options Post Options   Quote jeffers Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jan 16 at 12:07pm
Originally posted by iGRF

So, any idea of the numeric range of those poor tortured Solo's just for academic interest and I'll cross reference it with the number of this one we have.


Look at the measurement cert to get the builder is about the best I can advise. The number on the one at Hunts was 36xx IIRC but had been looked after very well.
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Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jan 16 at 12:24pm
On the one hand it's easier to manage on the lake with the close proximity of banks and objects to transit and guage progress, but I do miss a little bit of tide to help out and the natural 'rocking' effect waves bring to ahem 'help' you out. I was having an absolute 'mare' with cramp on sunday, got so my lead leg was shaking uncontollably which even transferred up the slack forestay, had the miracles howling when for once I wasn't actually acting illegally in any deliberate manner, then by absolute chance a favorable shift gave the lead on the water to me, so the little Solution did eventually deliver, but it was only because the Solo was going too fast into what became the wrong direction as things turned out.

Edited by iGRF - 18 Jan 16 at 12:26pm
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