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Slinging Technique #1 - Underhand (Read 6427 times)
mgreenfield
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Slinging Technique #1 - Underhand
Feb 2nd, 2004 at 3:43pm
 
Friends, ....please see the photo referred to by JeffH in his posting "Pic of Slinger".  This photo is at www.fifth-essence.com/archive/bestpix2003/index.htm. ; See also the drawing posted by Hondero as Reply #5 to the same posting.

Suddenly I'm getting GREAT improvement in accuracy & consistency with heavier (to 120gram) rocks using the pictured technique as follows:

1/ Load up with a rock & take the stance of the Palestinian kid, ....note back of sling hand toward the target.  Also, retained cord on ring finger of sling hand.  Other hand gently pinching the pocket-with-stone, and holding it up so the sling cords are tight and about pointed at the target.   Knees bent slightly.

2/ With a "little lift-from-the-knees" start the sling rotating by pulling the pocket-with-stone from between the pinching fingers.   Accelerate the rotation through 630deg of rotation (1-3/4 turn total) to launch the stone when the sling just passes your legs near the bottom of it's circle of rotation.

This technique seems to get the rotation off to  a "snappy start".    It doesn't feel like you're winding up with almost 2 full turns, instead of just 1-and-launch.   The back of sling hand toward target start may keep the cords from twisting as much.   

AND THE BEST PART, ....I'm getting some "whip cracks" off the end of the release cord at launch.

I'd be most interested in other folks' experiences with this technique, ....and improvement suggestions.

This is startin' to be REALLY fun!    mgreenfield
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David_T
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Re: Slinging Technique #1 - Underhand
Reply #1 - Feb 2nd, 2004 at 11:29pm
 
MGreenfield,

Could you please look up on, I believe, page 4 of the 9 pages of topics, a post I made called "More Pics" on Oct 10th

It has pictures and a step by step discription of what we use and I would really like to know if it is like your     od. Thanks
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nwmanitou
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Re: Slinging Technique #1 - Underhand
Reply #2 - Feb 3rd, 2004 at 12:16am
 
those of us with access to digital video cameras should make some small .avi's of our respective swings. I'm sure it'd be eye openening. Do you think that there would be enough band width to host them here?
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Chris
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Re: Slinging Technique #1 - Underhand
Reply #3 - Feb 3rd, 2004 at 12:27am
 
Yep.  I actually host the movies and images on another server. 

Chris
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David_T
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Re: Slinging Technique #1 - Underhand
Reply #4 - Feb 3rd, 2004 at 8:33am
 
Lets do it.
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mgreenfield
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Re: Slinging Technique #1 - Underhand
Reply #5 - Feb 3rd, 2004 at 10:13am
 
David_T, .....what your boy shows in "More Pics" is similar to what I went FROM to get where I am now.  Differences are these:

1/ I start out with the sling, etc more to the side of my head, ....much like the position you'd use in drawing a bow, if you took the bow string somewhat past your ear.  I stand with my side toward the target, and a line thru my toes running thru the target.

2/ I put in 1 FULL additional rotation before launch.   This is what made the huge difference from where I was to where I am.    Total rotation is 1-3/4turns.   It looks like your boy is putting in between 3/4 and 1 turn.

3/ All rotation is in a vertical plane, with (for now) almost all arm motion in the forearm and wrist only.   Maybe I'll figure out how to get some shoulder power into the launch later.   For now, anything other than forearm & wrist lofts the rock and puts a bad "hook into the drive".   Standing like I do, all (most?) rotation is in front of my body, not off to the side, though I think I twist my body a little on launch.    Once I get the rock moving, I think my elbow is pretty much "parked" near my hip.

4/ Start of the rotation is relatively gentle, with (I think) some "whipping" acceleration right before launch.   I wish I could describe this better.   But for sure!, if I try to "force" the acceleration, I mess up accuracy big time, AND take a LOT of launch velocity off the rock.   The whole spin-up has to feel "natural" and un-forced to work right for me.    I figured this out when I noticed that gentle warm up shots were flying a lot faster, straighter, longer, lower than later "muscle" shots.

So, slinging is starting (for me) to feel a lot like golf with importance of proper setup and form, easy swing, let the club do the work, etc.

I've used x2 slings, ....one of Ben's Peruvian models which measures 33" center-of-pocket to center-of-finger-loop of the retained cord, and a homebrew item just under 37" measured the same.   For now, the Peruvian is working much better, and I think it's because the retained cord is relatively fat and rough, and has a "more secure feel".   The homebrew sling cords are slick hard 1/8" braided nylon, and have a lousey feel.

The movie idea is a great one, especially if we could run them in slo-mo.    I'd like to see if I'm really doing what I described above. Cheesy

mgreenfield
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nwmanitou
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Re: Slinging Technique #1 - Underhand
Reply #6 - Feb 3rd, 2004 at 11:09am
 
What format would you like those movies in? I'm sure some of us don't have much experience with compression formats (luckily I have friends that do).
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Chris
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Re: Slinging Technique #1 - Underhand
Reply #7 - Feb 3rd, 2004 at 3:28pm
 
The best is a mpeg file (.mpg).  I can convert that to lots of other formats.  Quicktime is also good (.mov).  WMA is not so good.  Maybe someone can convert those into mpegs for me.


BTW, there are already a few movies for download in the articles section.  Look for the camera icon next to the article name. 


Chris
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David_T
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Re: Slinging Technique #1 - Underhand
Reply #8 - Feb 3rd, 2004 at 9:00pm
 
Thanks for the Reply,

Just to be sure I understand--say your sling is hanging staight down---when you start the rotation, the pouch goes forward and up and around--correct?Clockwise as you are looking to your right side where the sling is rotating?
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mgreenfield
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Re: Slinging Technique #1 - Underhand
Reply #9 - Feb 3rd, 2004 at 9:20pm
 
David_T, .....correct.   Forward, up, and around.   I'm a lefty, so dont know what's clockwise and what's not  Cheesy.     mgreenfield
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mgreenfield
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Re: Slinging Technique #1 - Underhand
Reply #10 - Feb 4th, 2004 at 5:46pm
 
Friends, ....if any of you are trying this technique, and not seeing the promised snappy action, it may be because your sling is too long.   Conventional sling-wisdom is "the longer the better", but maybe not so here.

My Peruvian sling is about 33" pocket-center to finger-loop-center.   My homebrew was closer to 37", and I just couldnt get the "right snap" with it.  It just felt sluggish.  So, I trimmed it down to 33", and bingo, the snap started to come back.   I may try just a little shorter to see what happens.

I have no clue what the arm/sling geometry is that made the difference.    ???

For a reference, with my arm fully stretched out horizontally, and the cord loop on my "bird" finger, the sling pocket-center will reach right to the center of my breastbone, with the cord pulled straight, but not real tight.

mgreenfield
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Ulrica
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Re: Slinging Technique #1 - Underhand
Reply #11 - Feb 8th, 2004 at 10:09am
 
Hi!
earlier in this tread it was mentioned that we could send a short movie to show our technic..
It seems like Iīm first out..
I just want to add, as I donīt have any digital camera only a web camera I recorded mine indoors with the stone tight up so it wouldnīt fly away... It was a really strange and odd feeling to do it indoors and infront of a camera Wink But at least one could see how I want to sling and with more practise hopefully will do better...


http://users.bestweb.net/~hesham/slingingGalleryImages/UlricaSlinging.wmv

/Ulrica
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Dan_Bollinger
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Re: Slinging Technique #1 - Underhand
Reply #12 - Feb 8th, 2004 at 10:15am
 
LOL!  I'm not sure I'd have the guts to do that. Thanks for breaking the ice. I think digital movies will be a great way to share technique. Now, about that helicopter whirl! I think it is time for you to move to the underhand or overhand throw.  Smiley  Dan

PS:  Knock on Jen's door and tell her its time to get up!
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Re: Slinging Technique #1 - Underhand
Reply #13 - Feb 8th, 2004 at 11:29am
 
Good style Ulrica, for the limitations of indoors. Outdoors, you have to open more the arm bacwards in the final whirl to get a good momentum in the throwing.
You are an advanced beginner Wink
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Ulrica
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Re: Slinging Technique #1 - Underhand
Reply #14 - Feb 8th, 2004 at 12:51pm
 
Quote:
LOL!  I'm not sure I'd have the guts to do that. Thanks for breaking the ice. I think digital movies will be a great way to share technique. Now, about that helicopter whirl! I think it is time for you to move to the underhand or overhand throw.  Smiley  Dan

PS:  Knock on Jen's door and tell her its time to get up!


Thank you Dan. Yeah, someone has to break the ice Smiley
When Iīm out I try to sling with different techniques, but somehow I like this way to do it.

And itīs my sonīs door there in the Background, his name is Jens Smiley

Ulrica
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