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Sam.Spoons View Drop Down
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Posts: 3401 		Post Options Post Options   Quote Sam.Spoons Quote  Post ReplyReply Direct Link To This Post Topic: Aero 9
    Posted: 09 Sep 20 at 8:56pm
Like Raceboards, but it does increase the cost of entry to the class and remove some of the simplicity.
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Neptune View Drop Down
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Posts: 1314 		Post Options Post Options   Quote Neptune Quote  Post ReplyReply Direct Link To This Post Posted: 09 Sep 20 at 9:37pm
At our club all boats get to choose their rig, but their handicap is always based upon the fastest PY, I think that keeps people sailing longer and also stops bandits swapping up at the lower extreme
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turnturtle View Drop Down
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Posts: 2538 		Post Options Post Options   Quote turnturtle Quote  Post ReplyReply Direct Link To This Post Posted: 10 Sep 20 at 9:01am
Originally posted by Wiclif

Or you could have the issue of the lighter sailors changing up as the wind drops, potentially spoiling a heavier sailors event.

was this not an inevitability?  What might happen in sea breezes and class events doesn't translate to the puddles in a F1-2 on a midweek evening.

Lighter helms that can plane offwind are always going to have an advantage around the cans... if the planing threshold drops by even a couple of knots of wind speed by a increase in sail area, it's going to make a significant difference offwind... why else run kites on other boats?

I dropped nearly 30kg when I last owned a Laser and my results improved significantly.... I definitely wasn't any better a sailor, nor arguably any 'fitter' (in fact, I got pneumonia and could barely lift 25kg bags without a struggle for the first time since I was 16), but I could at least hold station off wind again.

As for the Aero - it still looks like a boat for lightweights to me, the multiple rigs (or certainly between the 7 & 9) do not 'add value' imho.  No harm in this, gthe Aero's a cracking success and nice to see it building fleets around the UK.
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jeffers View Drop Down
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Posts: 3048 		Post Options Post Options   Quote jeffers Quote  Post ReplyReply Direct Link To This Post Posted: 10 Sep 20 at 11:13am
Originally posted by davidyacht

Or you could have a single PY that reflects that an Aero which could be rigged with any of the three rigs, this could be faster, since the sailor would always be selecting the optimal rig

But then you would need to own all 3 rigs, a significant extra cost.....
Paul
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rb_stretch View Drop Down
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Posts: 742 		Post Options Post Options   Quote rb_stretch Quote  Post ReplyReply Direct Link To This Post Posted: 10 Sep 20 at 11:27am
Originally posted by turnturtle


As for the Aero - it still looks like a boat for lightweights to me, the multiple rigs (or certainly between the 7 & 9) do not 'add value' imho.  No harm in this, gthe Aero's a cracking success and nice to see it building fleets around the UK.

I have to say I've been quite surprised how competitive the Aero has been from light teenage girls on a 5 to heavy 50+ year olds like myself on a 9. On handicap, many times the girls win and many times the heavy weights win, across a range of conditions. It has been a much greater leveller than I was expecting and at just under 90kg I don't feel held back. I can imagine that above 90 the weight factor kicks in quickly, rather than tapers, simply due to the short length. 

To be honest the bigger problem is my 6'6" frame as the cockpits are small and I miss the space of a Phantom.
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turnturtle View Drop Down
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Posts: 2538 		Post Options Post Options   Quote turnturtle Quote  Post ReplyReply Direct Link To This Post Posted: 10 Sep 20 at 11:49am
Yep - I can appreciate that, there was noticeable uplift in performance at just under 90kg in a Laser! 

 I would imagine the Aero is similar in this regard..... 
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andymck View Drop Down
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Posts: 397 		Post Options Post Options   Quote andymck Quote  Post ReplyReply Direct Link To This Post Posted: 10 Sep 20 at 1:01pm
The shapes are very different, and a chined Hull has a lower increase in surface area drag for the increase in displacement. Jo had this in mind with the hull design. The angles are not there for their aesthetics.
The difference given an appropriate rig should therefore be smaller.
There will be a difference in acceleration for sure. But that is the same in any boat.
If the light weight can remain in any way competitive upwind, they will be earlier to plane off wind, as long as the reaches are not set too tight, and will usually make up more than they loose.

But this Brings us back to the fundamental question. Is the aero an all round boat for a 90kg Sailor?. Are you going to be competitive against a lighter sailor in night to moderate winds, unlikely. Are you going to sail a rewarding boat that really flies in a breeze and will get up on the plane earlier than you would in most other single handlers, yes.
If you sail for fun and don’t have the time, fitness, solvency and water to sail a Musto skiff or a moth. It’s a great boat. If you want to win every race on handicap, well, there are a couple of boats that may be good, but if you don’t like Finns and Phantoms you need to loose 7-10 kilos.
My favourite boat still is a N12. But always having been over 75kg and often over 80. I was never going to be super competitive. But that was not why I sailed them.

Andy
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turnturtle View Drop Down
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Posts: 2538 		Post Options Post Options   Quote turnturtle Quote  Post ReplyReply Direct Link To This Post Posted: 10 Sep 20 at 1:39pm
well 40 odd years of tank testing and progressive development is clearly for something.... best of luck to the Aero, who knows, I might even buy one oneday.
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Riv View Drop Down
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Posts: 353 		Post Options Post Options   Quote Riv Quote  Post ReplyReply Direct Link To This Post Posted: 10 Sep 20 at 2:44pm
"Hull has a lower increase in surface area drag for the increase in displacement"

Can someone explain this statement? I thought that as a sphere as the maximum volume for minimum surface area that a rounded hull like the laser would gain surface area at a lower rate than a chined hull.
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Posts: 590 		Post Options Post Options   Quote Cirrus Quote  Post ReplyReply Direct Link To This Post Posted: 10 Sep 20 at 3:35pm
The multi-sail concept is absolutely fine imo.  'More people sailing across more of the wind range for very much more of the time' is the simple argument.  So the forecast says its going to blow dogs off chains ...  and quite a few of the lighter or more 'mature' types as well might give that class open or even local club series day a miss.  Give them a viable option of being able to sail with a more modest sail size and they still come along.  The forecast might even be wrong and have over-estimated the wind likely.. if they turn up they can still sail with the 'standard' sail or with that smaller one..  Stay at home, given that forecast, and they get to sail nothing.  That is poor for them, poor for the club involved and poor for the class they have chosen.  The converse is also true with heavies not seeing the point of  turning up in the face of a light breeze forecast.

The 'purist' my not approve - but then they so rarely do ...  Some of them in their 'traditional' class however think nothing of having a 'special cut' sail for lighter or heavier conditions.  Others in their strict ( only one sail) SMOD don't seem to mind if their class is increasingly populated just by people of very similar statures and weights ...and ages.  Loosen up a bit guys is my message - there is more than one way to do things.  (Thank goodness !)
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