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handicap for distance slinging? (Read 1430 times)
JustKnot
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handicap for distance slinging?
Sep 1st, 2006 at 2:27pm
 
I just have an idea and want to share it...

The thing is that ppl slinging have different sling and arm lengths, projectile mass also varies. As the arm length depends on how tall you are, I take persons height, because it is easier to measure it right (only half of height, because you can't spin around your left arm's fingertips, while slinging with right (I wish I could Grin)...
So here is a simple recalculation to see how powerful you are comparing to other slingers:

(DT/(SH/2+SL))*PM=your points

DT-distance thrown
SH-slingers height
PM-projectile mass
SL-sling length

I.E. I'm 1.6m and throw a 50g projectile 200m with 0.5m sling
I get (200/1.3)*0.05=7.69 points
and my rival, being 1.8m, casts 100g projectile 200m with 1m sling
He gets (200/1.9)*0.1=10.53 points
(oops, my opponent wins Cheesy)

All comments and suggestions are warmly welcome, as this is just a "sketch"
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siguy
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Re: handicap for distance slinging?
Reply #1 - Sep 1st, 2006 at 3:34pm
 
that is a good formula, and one i understand a little more than the ones that mgreenfield came up with.  i think that we should measure arm length from top of shoulder to end of middle finger instead of height, because some people are like apes and have crazy long arms, and other people are like T Rexs and have crazy short arms, and this way it is more precise
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Dale
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Re: handicap for distance slinging?
Reply #2 - Sep 1st, 2006 at 4:57pm
 
JustKnot,

Nice idea!  Obviously you have seen
da Vinci's study of the proportions of the human body
.

I also like
Mgreenfield's idea
, which was to take the ratio of the distance you can sling something, and the distance you can throw the same object.

Both your measure and his, are indifferent to individual differences in height, weight etc.
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JustKnot
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Re: handicap for distance slinging?
Reply #3 - Sep 2nd, 2006 at 12:29pm
 
after some thoughts I came up to measuring like this:
...

where c is your sling length

everyone knows that we get: sqrt(a^2 +(b+c)^2)=d
so with this it would look like:
(DT/d)*PM=YP

a bit complicated as now you have to take three measurements (or maybe just put a sling in his hand and tell him to step on a measuring tape with his opposite foot...), but like this a tall guy with short arms and a short one with long arms would have more or less equal "slingers rate"
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Willeke
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Re: handicap for distance slinging?
Reply #4 - Sep 2nd, 2006 at 1:16pm
 
I would not think it is really important how long the arms and legs are.
One person might have short arms but strong muscles and use a long sling with good effect, an other might have long arms but much weaker muscles and needs to use a shorter sling so he looses the extra help of his longer arms.

The only thing you can do to even it out is to grow tall yourself.

Willeke
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Re: handicap for distance slinging?
Reply #5 - Sep 2nd, 2006 at 2:46pm
 
Had Leonardo any training in the overhand slinging technique, I'm certain that he'd quickly have calculated radius HP to be the critical measurement.

...


Cheesy


TS
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slinginginmass
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Re: handicap for distance slinging?
Reply #6 - Sep 2nd, 2006 at 2:48pm
 
Pythagoras would be proud.
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cipher20
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Re: handicap for distance slinging?
Reply #7 - Sep 2nd, 2006 at 2:59pm
 
Quote:
everyone knows that we get: sqrt(a^2 +(b+c)^2)=d
so with this it would look like:
(DT/d)*PM=YP



I think you mean sqrt((a+c)^2+b^2)=d .  It's a small error, but when squaring things, it can make a big difference.
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Re: handicap for distance slinging?
Reply #8 - Sep 2nd, 2006 at 3:15pm
 
I think Willeke brings up a good point in the different strengths of individuals. Another factor I find is cooridination. You cant look at any of the sling style in a general mechanics type of way. because the mechanics come from the slingers ability to perform the throw. I am not very good with most of my over hand styles compared to my underhand purely because it doesnt feel very comfortable to me. My arms dont want to work that way. Perhaps this is why so many styles have developed. Lets just all agree that you can throw a hell of a lot farther and harder with a sling. JUST GET OUT AND SLING
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