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Cirrus Icon Development

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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 Topic: Cirrus Icon Development
    Posted: 21 Feb 11 at 1:27am
Mike

If you swapped the orientation of your jib tracks you would not need to use pole upwind. The sheeting of your jib is severely limited by having no fore aft component. I would do away with the sideways adjustment, and place a track along the intended sheeting angle, as supplied by the sailmaker. Then as soon as you want to ease a little, you can then use the dangly pole to correct the leech tension. Upwind you really don't want the hassle. Sounds simple, because it is. 

Andy
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blaze720 View Drop Down
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Post Options Post Options   Quote blaze720 Quote  Post ReplyReply Direct Link To This Post Posted: 21 Feb 11 at 10:15am
Hi Andy

We inherent 'fore/aft' capability like several other classes..... the jib is zipped up the forestay and the strop at the bottom can be set short or long.  This changes the sheeting angle quite dramatically if you want.  There is no point in getting more elaborate until we have an optimally cut jib .... the decision to replace not being ours but a sail suppliers after reviewing.   The current one is a tad too full in the top third and too flat at the bottom - and beyond reasonable limits.  There are other control techniques available to us as well once we replace the current version.  In all other respects the rig is 'signed off' now
 
We were simply trying things out on a rather dull sailing day but I was rather pleased as to the unexpected upwind jib stick capability and the upwind performance hike.  It rather 'proved' the limits of the current jib and why it needed tweaking.  You don't have to use the pole, but if you do you don't have to keep adjusting it and it is no hassle at all in the tacks.  It is unlikely to be needed in practice however but there may be the odd occasion ...... 

If you always accept convention and don't try anything new you soon stop learning ! 

Mike L.

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blaze720 View Drop Down
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Post Options Post Options   Quote blaze720 Quote  Post ReplyReply Direct Link To This Post Posted: 21 Feb 11 at 3:06pm
Simon ...

Subject to all the usual stuff I/we should be there.   May bring a Blaze as well but is the offer of a goodish Phantom still on for the previous day ?  .... assuming the conditions are reasonable  cos otherwise 'Blaze gives you wings' when it blows  .... Wink

Mike L.
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Post Options Post Options   Quote blaze720 Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 11 at 5:47pm
LAST SAIL BEFORE THE DINGHY SHOW ...

It looked pretty boring but the new cut jib had arrived and we had to test it .... in summary it is flatter at the top and fuller in the bottom third with softer full length battens.  Anyway it worked very well and the rig/hull setup can point really high while still keeping the speed on.  Previously it was more 'speed' or 'pointing' - your choice.  We have therefore completed the rig programme .... with less than a week to spare.

The afternoon however was looking to be a complete anticlimax after the morning testing with 'Force Zero to F1' that we got to the point where both agreed - "windward mark once more and then either it picks up or we go in"  (cos its near the clubhouse, Rugby on the TV, beer etc).  In the event it did pick up -  a reasonable amount and suddenly -  we screamed across the top leg and then headed downwind - time for the dangle pole we thought smugly - and then the knot connecting pole to jib fell apart (Yes Simon I know I tied it not you ...).  While faffing around with it and not paying attention we got hit by another gust, result capsize..... "B*gger, B*gger etc".... vowed not to try and 'assist' crew with re-tying knots in future and concentrate on sailing while he tied a better knot on his own.  However still watching crew as we started off fast downwind and this time did not notice mainsheet loop around ankle - then time to dump main on next gust inevitably.... and ANOTHER dip !   Simon must have muttered something to himself about a helm who cannot tie knots and that dumps him in twice in 100m (and him in a 'token' summer armless wetsuit as well now sampled the water more 'directly' as we recovered).

The 'official'  version of these proceedings in the BSC bar later is that we were conducting 'Production hull capsize tests ... successfully'.  The amazing thing is that in the whole of 2010 we only dumped the rig in the water unintentionally once and here we were doing it in relatively easy conditions twice in 100m !   **** happens !

The positives ?  The nearly sealed and very light mast means capsizes are a lot less hassle - Simon and I clambered over the hull onto the centreboard around the hull rather than 'swimming' (We are single-handers primarily after all !) both times - many boats would tend to invert given this sort of treatment but Icon never put the mast tip more than half a metre below the surface and we were  not helping things really.  It also comes up quickly but  progressively, does not float too high on its side anyway, and with its unusual (smooth) gunwhale is easy to slide back into.

See you at the show - Stand B56  near the corner bar in the Great Hall.... !)

Mike L.








Edited by blaze720 - 28 Feb 11 at 9:00pm
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cad99uk View Drop Down
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Post Options Post Options   Quote cad99uk Quote  Post ReplyReply Direct Link To This Post Posted: 05 Mar 11 at 1:58pm
So .... has the price for the Icon been announced?
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Post Options Post Options   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: 05 Mar 11 at 7:31pm
Hi,
Launch offer is £7995 including trolley and cover. That is a real bargin IMO.
Are you coming to the show tomorrow? If so, I'll see you there.
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Post Options Post Options   Quote JRW1019 Quote  Post ReplyReply Direct Link To This Post Posted: 05 Mar 11 at 9:18pm
Had a look at the show today and can only think of positive things to say! (I shouldn't sound that surprised should I?) First thing the friend I was with commented on was how wide it was, personally it looked wide without looking fat if that makes sense? Main thing that struck me was how clean the cockpit is, not only does it allow sailors to concentrate on keeping their heads out of the boat instead of constantly adjusting things, but also makes a tidy looking boat and less to trip over when turning corners. Very impressed, well done guys
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Post Options Post Options   Quote wrong way up Quote  Post ReplyReply Direct Link To This Post Posted: 06 Mar 11 at 8:52pm
the cunno looked almost imposible to get to when its windy, i didn't like the  rope going through the eyes on the kicker and outhaul as it thing it would wear the rope and make things much harder to adjust and it definately needs a fairlead on the jib pole they allow the crew to get the rope it the cleat when the crew is not on the centre line of the boat 
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Post Options Post Options   Quote wrong way up Quote  Post ReplyReply Direct Link To This Post Posted: 06 Mar 11 at 8:55pm
but otherwise it looked like it will be a popular class
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Post Options Post Options   Quote cad99uk Quote  Post ReplyReply Direct Link To This Post Posted: 06 Mar 11 at 9:23pm
Originally posted by wrong way up

the cunno looked almost imposible to get to when its windy 
 
What, not adjustable when sitting on the side deck?
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