Search found 1856 matches

by dj
Tue Jul 02, 2013 4:54 pm
Forum: Pole Vault - Advanced Technique
Topic: ideal technique in the fiberglass vault
Replies: 89
Views: 43994

Re: ideal technique in the fiberglass vault

After all the definition of a free-take off is delaying bending the pole until the vaulter is off the ground ( which is STRONGLY impacted by the vaulter's take off point ). Correct me if I'm wrong. Several studies show that taking off under, hence not using a free-take off, dissipates take-off velo...
by dj
Mon Jul 01, 2013 1:07 pm
Forum: Pole Vault - Advanced Technique
Topic: ideal technique in the fiberglass vault
Replies: 89
Views: 43994

Re: ideal technique in the fiberglass vault

PSS… confusion? Looks like the problem we are having is the "definition" of a "free" takeoff. And our "picture" or descriptions are not adequate… a real "free" takeoff is an "action" (physics) and the result of that action. You can have a "free ...
by dj
Mon Jul 01, 2013 11:46 am
Forum: Pole Vault - Advanced Technique
Topic: ideal technique in the fiberglass vault
Replies: 89
Views: 43994

Re: ideal technique in the fiberglass vault

hello i guess, bottom line, do i feel the Bubka, Tellez, Shannon, Tully, Issakson presents itself as the "best" way to jump? yes off course, Physics wins out.. Any other technique and you are "adjusting"/settling and for whatever reason, you have decided that you do not want to o...
by dj
Mon Jul 01, 2013 10:37 am
Forum: Pole Vault - Advanced Technique
Topic: ideal technique in the fiberglass vault
Replies: 89
Views: 43994

Re: ideal technique in the fiberglass vault

Good morning, One of the reasons I did the side by side of Daniel and Tim was that I had observed one of Jeff Hartwigs vaults of 5.95? having the same "timing" of T-Mack's 5.90 trials jump and one of Bubka's jumps with similar timing that I had compared to Tully's in the '80's. Bubka's jum...
by dj
Sat Jun 29, 2013 6:17 am
Forum: Pole Vault - Advanced Technique
Topic: ideal technique in the fiberglass vault
Replies: 89
Views: 43994

Re: ideal technique in the fiberglass vault

Good morning, There really should not be an issue.. Physics is the model.. Petrov described it, Guy Kochel described it in 1974 as "feeling" 3 or 4 inches out, with the top hand as high as possible ..just before the pole hit the back of the box. Everything is action- reaction and applicati...
by dj
Fri Jun 28, 2013 6:07 am
Forum: Pole Vault - Advanced Technique
Topic: ideal technique in the fiberglass vault
Replies: 89
Views: 43994

Re: ideal technique in the fiberglass vault

Gentlemen, On the discussion of runway speed and the relationship to vault height... My chart, column five, MPS has the "science/physics based times needed, on average to jump heights from 4 meter to 6.35 meters. My original (1970's version) was in feet and inches and column five was a "ti...
by dj
Thu Jun 27, 2013 6:49 am
Forum: Pole Vault - Advanced Technique
Topic: ideal technique in the fiberglass vault
Replies: 89
Views: 43994

Re: ideal technique in the fiberglass vault

Morning The time getting to "flat back" was longer, the tuck and shooter delayed the bottom part and increased the tuck and shoot speed to catch up with the pole.. I did a Ryland/Mack side by side of successful 5.90 jumps that showed the overall timing the same with the same grip etc.. Tim...
by dj
Wed Jun 26, 2013 7:16 pm
Forum: Pole Vault - Advanced Technique
Topic: ideal technique in the fiberglass vault
Replies: 89
Views: 43994

Re: ideal technique in the fiberglass vault

Hey, The swing speeds of most if not all of the 5.90 to 6.00m jumps I have checked, mostly done by McGinnis have been in the 1.45 sec range from takeoff toe about to leave the runway to max height of the COM.. Tucked and none tucked were no different... Ie Tim Mack v Jeff Hartwig Jeff, on his best j...
by dj
Wed Jun 26, 2013 1:18 pm
Forum: Pole Vault - Advanced Technique
Topic: Fourteen Year Gap in Modern PV Technique in the 1970s?
Replies: 91
Views: 48373

Re: Fourteen Year Gap in Modern PV Technique in the 1970s?

From your chart titled: MAIL VAULTER IN COMPERTITION I took this "extrapolation " The "last four step" speed is an indication of a 17-6/5.30m to 18'/5.50m vault…. The six step "MID" of 16.889m/55' is an indication of potentially a 5.75/5.90 vault with a 5m grip!!! Butt....
by dj
Tue Jun 18, 2013 8:54 pm
Forum: Pole Vault - Advanced Technique
Topic: Fourteen Year Gap in Modern PV Technique in the 1970s?
Replies: 91
Views: 48373

Re: Fourteen Year Gap in Modern PV Technique in the 1970s?

Hello There should be a very slight "lowering" of the COM but slight... The "side" move you see, especially in the LJ, generally slows the jumper and then you have a... Lose of speed compared to how much jump did you get from the "prop". Like Alan said it depends on the...
by dj
Tue Jun 18, 2013 5:25 pm
Forum: Pole Vault - Advanced Technique
Topic: Fourteen Year Gap in Modern PV Technique in the 1970s?
Replies: 91
Views: 48373

Re: Fourteen Year Gap in Modern PV Technique in the 1970s?

Agree Alan Becca can you remove my extra duplicate post... Dj. Ps. Had two Long Jumpers jump 7.80 and 7.52 on the team this year that had pr's reasonable below that before this year.. If you "try" you slow down... The action is subtle... And even more so in the vault. Still needs to be &qu...
by dj
Sun Jun 16, 2013 7:28 am
Forum: Pole Vault - Advanced Technique
Topic: Fourteen Year Gap in Modern PV Technique in the 1970s?
Replies: 91
Views: 48373

Re: Fourteen Year Gap in Modern PV Technique in the 1970s?

Good morning, Part of what we have seen since the beginning of fiberglass vaulting in "technique" is the result of how a fiberglass pole will bend based on the "pattern" of the pole. Bubba gripping 4.99 on a 5m pole will give a "different" look (with the same physics, t...

Go to advanced search