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GRF's rig school

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devotiluca View Drop Down
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Post Options Post Options   Quote devotiluca Quote  Post ReplyReply Direct Link To This Post Topic: GRF's rig school
    Posted: 24 Nov 09 at 6:33pm
well , why limiting you guys to make best use of your knowkedge and play
around with battens.....if that is fun for you.... ,as well as rake
daggerboard position , mast position etc......rig for your info is so soft that
it will require more time spent in the gym, than on the keyboard....never
met you in person , but does not seem you are not spending much time in
the gym..being always on the keyboard..i am fat at present .... , so too
heavy...but you guys would struggle to get the main sheeted if my
perception of your fitness level is correct....so now that you have seen the
light just put in every posting you do   D-one on order...and bash some
other yards boat....just to make friends...so that they can help the electrical
supply of london too..
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G.R.F. View Drop Down
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Post Options Post Options   Quote G.R.F. Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 09 at 6:21pm
OK Luca - I give in.

It's a wonderful boat.

I love it, in fact I can't wait to have it's baby.. (rig that is when you build it)

There Happy?

As you say, what does it matter, it's a one design anyway, everybody
races on the same thing.
(Would have been the best answer)

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devotiluca View Drop Down
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Post Options Post Options   Quote devotiluca Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 09 at 6:08pm
well master of rig design.....shape is a combination of batten stiffnesses
and broadseeming ..this sails have quite a bit of that different to surf
sails....etc and d one flying shape is quite right.....so by putting tapered
battens you would end up mooving draft forward .....making the sail less
efficient....but what is the point in discussing .....yuo have never sailed
the d one ........ , what obliges me to waist my time reading your
postings is your continuos effort in denigrating what we have done with
passion , being yourself so competent in marketing you do not need any
explanation on the fact that what you are doing is some sort of
diffamatory campaign...well good luck with that.... . at times it
backfires....and considering that we are promoting a new racing format
with the d one just fun oriented , we will allow you to put any battens you
want in the sails ,so maybe you could make good use of your knowledge
and win some races for a change ..that hough will stop you posting
against the d one for those hours...if yours and turnturtles postings
against my little baby could be summed up .....and transformed into
positive energy....well they could generate enough electricity to supply
london for a while
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mongrel View Drop Down
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Post Options Post Options   Quote mongrel Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 09 at 5:52pm

Originally posted by G.R.F.

Originally posted by I luv Wight

With a bit of intelligent stringing, you can make a wibbly
stick keep straight under monster loadings  ( the mast doesn't bend much
either ) , and the forestay is still straight.
 


Can I comment on this a bit without upsetting you, it kind of illustrates the
point I was trying to get across about the way sails ought to twist but don't
seem to?

I know it's just a snapshot in time, I also realise the apparent wind vector must
be quite forward, but....

Fantastic shot by the way, looks almost unreal.

My guess is the main sail isn't twisting as there's probably relatively little load on it, the majority will be in the kite.  The assy's I've sailed you need to knock off quite a bit of kicker for downwind, to prevent the main hooking when the load goes out of it, when the spinaker starts pulling.



Edited by mongrel
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G.R.F. View Drop Down
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Post Options Post Options   Quote G.R.F. Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 09 at 5:14pm
Originally posted by I luv Wight

With a bit of intelligent stringing, you can make a wibbly
stick keep straight under monster loadings  ( the mast doesn't bend much
either ) , and the forestay is still straight.
 


Can I comment on this a bit without upsetting you, it kind of illustrates the
point I was trying to get across about the way sails ought to twist but don't
seem to?

I know it's just a snapshot in time, I also realise the apparent wind vector must
be quite forward, but....

Fantastic shot by the way, looks almost unreal.
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asterix View Drop Down
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Post Options Post Options   Quote asterix Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 09 at 5:10pm
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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: 24 Nov 09 at 5:07pm
The mystery is how he manages to find enough time away from a keyboard to fit any actual sailing in!

Keyboard 'fluency' is often considered an after dark activity. 
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G.R.F. View Drop Down
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Post Options Post Options   Quote G.R.F. Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 09 at 5:01pm
Well my fine fettled soft batten friend, soft they may be but they'd sure as
hell better be tapered, no way you can talk your way out of that one with an
unstayed rig.

In fact tapered and with vario carbon sleeved tuning rods to adjust the flow
point - at that price.

And whilst you're at it, if you're using those monkeys at Hyde, you'd better
check you can even get the battens out, the last new sail I bought from
them they'd sewn in the damn rocket tensionisers we windsurfers designed
for your sorry dinghy sailing asses precisely to be able to tension and adjust
battens, not as a fixed batten sewing aid.

Edited by G.R.F.
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devotiluca View Drop Down
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Post Options Post Options   Quote devotiluca Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 09 at 4:53pm
came back from the yacht club and checked if any remarks had come from
the rig expert     grf and it did not take long , on battens he managed to
beat himself....on a fulll battened rig batten stiffnesses depend on the loads
they are subject to .so on a sitting out boat where loads are small you need
soft battens otherwise no decent sail shape nor even the chance to hoist the
sail...having the sail quite a fair bit of luffcurve stiff battens would make it
basically impossible to hoist because you would need to bend the mast
while hoisting...so the battens that we have for the d one are just the ideal
stiffness.... it will though be a pleasure to see grf at queen mary coming
to check our battens .....he might have the chance to see a jolly nice boat....
, ciaooo
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I luv Wight View Drop Down
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Post Options Post Options   Quote I luv Wight Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 09 at 4:38pm
With a bit of intelligent stringing, you can make a wibbly stick keep straight under monster loadings  ( the mast doesn't bend much either ) , and the forestay is still straight.
 


http://www.bloodaxeboats.co.uk
Andy P
foiling Int Moth GBR3467
Freedom 21 Codling
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