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Search: Posts Made By: Zenturtle
Forum: Freestyle 09-20-2018
Replies: 9
Views: 2,380
Posted By Zenturtle
Terry at brisk pace Slipfactor about 1.3. Starts...

Terry at brisk pace
Slipfactor about 1.3.
Starts pushing back at a shallow angle here. probably can get to lower SF at lower speed.
Terry 1
https://i.postimg.cc/T3F3z9zz/terry_1.jpg...
Forum: Freestyle 09-20-2018
Replies: 9
Views: 2,380
Posted By Zenturtle
The point where the hand starts to move backwards...

The point where the hand starts to move backwards in the water is a pretty definite point in my view.
It will never be super accurate, but you get a reasonable idea where you are.
You can compare...
Forum: Freestyle 09-20-2018
Replies: 9
Views: 2,380
Posted By Zenturtle
shinji gracefull...

shinji gracefull freestyle
https://www.youtube.com/watch?v=ORQoXa4ntqU

Shinji 1
https://i.postimg.cc/4y5Vtkpc/Shinji_1.jpg (https://postimages.org/)

Shinji...
Forum: Freestyle 09-20-2018
Replies: 9
Views: 2,380
Posted By Zenturtle
So, we now have another abbreviation in the...

So, we now have another abbreviation in the swimming jargon: SF :-) ?

Again, you didnt pick the right start point. The start point is not where the hand is still gliding forward, but the point where...
Forum: Freestyle 09-20-2018
Replies: 9
Views: 2,380
Posted By Zenturtle
If we compare the elite guys with an adult...

If we compare the elite guys with an adult onset swimmer, we can see the ellite are doing pretty well, and the adult onset swimmer has some work to do to keep up technically.
Coach Stuart also has...
Forum: Freestyle 09-20-2018
Replies: 9
Views: 2,380
Posted By Zenturtle
So, whats his slippfactor then? 6stroke...

So, whats his slippfactor then?

6stroke 1
https://i.postimg.cc/xTXL0cZM/6stroke_1.jpg (https://postimages.org/)

6 stroke 2
https://i.postimg.cc/TPsy1X41/6stroke2.jpg (https://postimages.org/)

6...
Forum: Freestyle 09-20-2018
Replies: 9
Views: 2,380
Posted By Zenturtle
scull...

scull outward
https://i.postimg.cc/g0Kq51w0/scull_3.jpg (https://postimages.org/)image uploaden (https://postimages.org/nl/)

finish
https://i.postimg.cc/WzmkFkM1/scull_4.jpg...
Forum: Freestyle 09-20-2018
Replies: 9
Views: 2,380
Posted By Zenturtle
Sculling traction

here is some elite doing a 6 stroke 25 m.
He uses a big scull in his pull to get extra traction.
Hand basically does not move back while body glides forward during his scull.
At higher strokerates...
Forum: Freestyle 09-18-2018
Replies: 19
Views: 3,533
Posted By Zenturtle
when his hands moves forward in the water he isnt...

when his hands moves forward in the water he isnt pressing back yet, so the starting point lies later/deeper, but Shinji could well have a good slipfactor.
He is super streamlined, he doesnt...
Forum: Freestyle 09-18-2018
Replies: 24
Views: 6,767
Posted By Zenturtle
the rolling like a log idea is probably the most...

the rolling like a log idea is probably the most simple mental model to stick to for learning for the most people.

See, we can agree sometimes....-)
Forum: Freestyle 09-18-2018
Replies: 3
Views: 5,532
Posted By Zenturtle
Whats the latest news on Shinjis open water experiment?

This footage is already from 2015, so whats does his stroke look like now?

https://www.youtube.com/watch?v=JSDh7fAsMhc

He skips the backend of his stroke to get to higher frequencies it...
Forum: Freestyle 09-17-2018
Replies: 24
Views: 6,767
Posted By Zenturtle
I dont agree with a lot of your points, but about...

I dont agree with a lot of your points, but about rolling like a log.

KPN rolls almost like alog, and it works for her, Thorpe has much more twist and it works for...
Forum: Freestyle 09-17-2018
Replies: 3
Views: 1,603
Posted By Zenturtle
he said he was a national calibre swimmer in...

he said he was a national calibre swimmer in canada.?

looked at the building a long lasting kick.
The guy is a typical kickaficionado.Powerfull propulsive 6BK to help make the stroke long and fluid...
Forum: Freestyle 09-17-2018
Replies: 19
Views: 3,533
Posted By Zenturtle
yeah, but that means that slipfactor is an...

yeah, but that means that slipfactor is an indication of general swim efficincy, especially if you can achive low slipfactor with a small paddle.(non optimal angled arms/small arms)
Forum: Freestyle 09-17-2018
Replies: 19
Views: 3,533
Posted By Zenturtle
. No bobbing. She probably doenst pull like an...

. No bobbing. She probably doenst pull like an animal in the first part of her armstroke.had a look again. indeed the power starts just before the arm is almost vertical. little...
Forum: Freestyle 09-17-2018
Replies: 19
Views: 3,533
Posted By Zenturtle
there is not much specisal KPN in her stroke. ...

there is not much specisal KPN in her stroke.
KPN has 6BK and is far more of the swimming on your edge with long high elbow pulls style of swimming.Timing is also more front quadrant.

The shown...
Forum: Freestyle 09-17-2018
Replies: 19
Views: 3,533
Posted By Zenturtle
https://i.postimg.cc/WbrtZZYp/kpn_finish.jpg...

https://i.postimg.cc/WbrtZZYp/kpn_finish.jpg (https://postimages.org/)

almost straight arm at finish. Maybe she hasnt much umph at the rear, but she surely has a normal finish.

"in order for the...
Forum: Freestyle 09-16-2018
Replies: 19
Views: 3,533
Posted By Zenturtle
cant you send me some footage (pm ) of your...

cant you send me some footage (pm ) of your stroke to make talking easier?

constant speed is an important one.
Imagine walking slowly 3km/h and dragging a 100 kg treetrunk through the water.
If you...
Forum: Freestyle 09-16-2018
Replies: 24
Views: 6,767
Posted By Zenturtle
Is Dave Scott reading this...

Is Dave Scott reading this forum?


https://www.youtube.com/watch?v=iRR3Qt756iI

Werner, imagine having a 40 x 100 cm plank en pulling that plank through the water while rotating that plank back and...
Forum: Freestyle 09-16-2018
Replies: 19
Views: 3,533
Posted By Zenturtle
haha,well yes. Thats what it comes down to for...

haha,well yes. Thats what it comes down to for an outside observer.
I keep it smple this time haha. How you achieve that is another question...
Forum: Freestyle 09-15-2018
Replies: 19
Views: 3,533
Posted By Zenturtle
straight arm traction

This girl has exceptional good traction.
Slipfactor = amount of handslip/ amount of head forward movement= 10/17.5=0.57.
The avarage swimmer in your local pool has a slipfactor of about 1.5-2 at half...
Forum: Freestyle 09-14-2018
Replies: 3
Views: 1,603
Posted By Zenturtle
How does a standard competetive stroke feel?

Like how this guy really shows his swimperceptions during the stroke.
Its standard competetive pool swim stroke, so you might not like it or even disagree with some he says, but it givis a nice...
Forum: Freestyle 09-14-2018
Replies: 105
Views: 11,331
Posted By Zenturtle
Sclim, from 3 min 50...Talking asbout older...

Sclim, from 3 min 50...Talking asbout older swimmers with less flex in the shoulders-
Thats what I mean by keeping the arms a bit in the meathook shape for most of the...
Forum: Freestyle 09-14-2018
Replies: 2
Views: 1,529
Posted By Zenturtle
yeah, thats an avarage good/elitish stroke in a...

yeah, thats an avarage good/elitish stroke in a random pool.
Pretty amazing to watch those guys isnt it?
Whish they where more often in the pool. You unconciously learn a lot swimming close by. Also...
Forum: Freestyle 09-14-2018
Replies: 15
Views: 2,830
Posted By Zenturtle
yeah, sounds like a reasonable approach. Dont...

yeah, sounds like a reasonable approach. Dont know whats the most efficient teaching method. Also not a coach who can test differnt teaching methods.
Showing results 1 to 25 of 500

 
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