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Weight equalisation

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Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Topic: Weight equalisation
    Posted: 02 Jan 22 at 9:53pm
Maybe just tie it round the neck?
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Post Options Post Options   Quote Paramedic Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jan 22 at 9:34pm
It has to make a difference.
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Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jan 22 at 9:27pm
Originally posted by A2Z

What did you use to draw that? 
LOL

I spent a lot of time drawing it on a special computer programme you should keep a copy it'll prabably be worth lots of money when I'm gone.

As to the physics of it, last time I tried to pull a lever, it certainly helped by standing further away from it than right under it. I'm not proposing this, I'm simply asking the question.

If not, why not.

If that were a static boat in the boat park and you wanted to pull it over, surely you would use the wire and walk further away, would it not be easier?

Surely it's why tall sailors have more righting moment than short sailors because they extend the base of the triangle.

Therefore it must make sense to extend the hook as far up the body as possible if you're short of that body length?

Edited by iGRF - 02 Jan 22 at 9:33pm
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Post Options Post Options   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jan 22 at 8:46pm
What did you use to draw that? 
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Post Options Post Options   Quote tink Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jan 22 at 7:16pm
Hook height (on the body i.e. crew always horizontal) makes no difference what so ever on a dinghy, the CoG of the crew will be the same.  It is different on a windsurfer as the mast is canting to windward. 

Edited by tink - 02 Jan 22 at 7:20pm
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Post Options Post Options   Quote ohFFsake Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jan 22 at 6:52pm
Originally posted by iGRF

...need to do a drawing.

Your drawing is a thing of beauty, and in itself perhaps justifies the existence of this entire thread.

But it also demonstrates that in terms of mechanics it makes no difference where the hook attaches to the sailor, except in terms of their comfort.
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Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jan 22 at 5:42pm
Originally posted by Do Different

Confused Not getting your point iGRF. Given adequate core strength I cannot see how hook position on your body makes any difference; low riding jeans high or nipple warming high waisters. Yes the moment will change but as the moment increases the tension will decrease.


Surely the angle of the wire? A low hook gives a narrow angle, a high hook would give a bigger angle, need to do a drawing.



Edited by iGRF - 02 Jan 22 at 6:05pm
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Post Options Post Options   Quote Do Different Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jan 22 at 4:14pm
Confused Not getting your point iGRF. Given adequate core strength I cannot see how hook position on your body makes any difference; low riding jeans high or nipple warming high waisters. Yes the moment will change but as the moment increases the tension will decrease.
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Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jan 22 at 1:38pm
Originally posted by PeterG

<span style="font-family: "Helvetica Neue", "Lucida Grande", "Segoe UI", Arial, Helvetica, Verdana, sans-serif; : rgb251, 251, 253;">I'm thinking platform soles for the Contender and also wonder wether a high or low hook is a better option and when.</span>
<span style="font-family: "Helvetica Neue", "Lucida Grande", "Segoe UI", Arial, Helvetica, Verdana, sans-serif; : rgb251, 251, 253;"></span>
<font face="Helvetica Neue, Lucida Grande, Segoe UI, Arial, Helvetica, Verdana, sans-serif"><span style=": rgb251, 251, 253;">Interesting idea. Given what fun tacking a Contender is at the best of times for those not accomplished limbo dancers, I think they might cause problem! However, what about adjustable hydraulic ones? Shrink down to thin soles for tacking, extend them once your on the wire when it's blowing?</span>
<font face="Helvetica Neue, Lucida Grande, Segoe UI, Arial, Helvetica, Verdana, sans-serif"><span style=": rgb251, 251, 253;"></span>
<font face="Helvetica Neue, Lucida Grande, Segoe UI, Arial, Helvetica, Verdana, sans-serif"><span style=": rgb251, 251, 253;">Low hook is the better option if there's a lot of power, and you can manage it, given whatever the sea is doing. You get a bit of extra righting moment, but also, if you heel from a nearly horizontal position the change in righting moment is small. If you're already well up you get a much larger loss of righting - what you don't want in a gust.</span>


Inflatable shoe soles would do that..

But more seriously is it not logical to have the hook as high on ones person as possible in a breeze (and low when its light), given the better angle and leverage having the weight anchor point further away from the boat? Not that I see the range of hook height adjustability on trapeze style harnessses. Windsurfers used to have access to a range of hook heights, from chest harnesses down to low slalom seat style with wave waist style in the middle.

Edited by iGRF - 02 Jan 22 at 1:39pm
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Post Options Post Options   Quote PeterG Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jan 22 at 10:20am
I'm thinking platform soles for the Contender and also wonder wether a high or low hook is a better option and when.

Interesting idea. Given what fun tacking a Contender is at the best of times for those not accomplished limbo dancers, I think they might cause problem! However, what about adjustable hydraulic ones? Shrink down to thin soles for tacking, extend them once your on the wire when it's blowing?

Low hook is the better option if there's a lot of power, and you can manage it, given whatever the sea is doing. You get a bit of extra righting moment, but also, if you heel from a nearly horizontal position the change in righting moment is small. If you're already well up you get a much larger loss of righting - what you don't want in a gust.
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