Results 120 to 134 of 134
06-13-2013, 05:46 PM #120
Take 200 kmph for 0.3 second for example .. add 0.1 second (and 200 is original hit speed .. the average speed in trajectory could be 100 - 120 ? for whole duration (point a to point b) . consider air- resistance etc. and that 0.1 second addition could bring the average speed from 100-120 to 70-90 ?
Since it's MATH simulation now .. why don't you do it ... I will take your answer. THAT is IF you are interested. If not it's fine. I am not trying to prove any point. Nither do I am on any mission
Life will go on for everybody ...
06-13-2013, 06:03 PM #121
Last edited by craigandy; 06-13-2013 at 06:05 PM.
06-13-2013, 06:09 PM #122
superzit, this thread is for trying to predict shuttle speed based on racket initial conditions. If you can't understand that then let me spell it out for you - it has nothing to do with panhandle or your magic numbers that you make up.
06-13-2013, 06:17 PM #123
So, back to the important stuff... what equations can we use so I know how to adjust my racquet and swing to smash it like Hidayat?
Last edited by TheNotoriousLIG; 06-13-2013 at 06:19 PM. Reason: off topic
06-13-2013, 06:18 PM #124
amleto, we can only blame Notorious for reigniting the panhandling again...
edit: hey... how'd Notorious get in his post before me...
06-13-2013, 06:19 PM #125
06-13-2013, 06:21 PM #126
06-13-2013, 06:21 PM #127
06-13-2013, 06:29 PM #128
Great found a panhandle example vid I am running through tracker now, will it be better than Taufik? lets wait and see everybody
06-13-2013, 06:30 PM #129
Going to start putting proper equations together soon hopefully but I have a lot of work to do first. Also, do you think CofR changes significantly with different arm strengths and shock down the arm? ie the shuttle contact pushes the arm back significantly enough to change trajectory and energy transfer and if so, how can we measure it?
06-13-2013, 06:36 PM #130
I seem to remember somewhere that the contact time of the strike is only 0.02 secs or so, so the racket head has to reach max acceleration just before that. It's not how fast you can swing it, but also how fast you can accelerate to max speed the racket into the bird for that 0.02 secs. Hence, the term explosive swing.
craigandy liked this post
06-13-2013, 06:43 PM #131
One thing I noticed when doing the tracker vids was that all the pro's I sampled the software with, at contact and just before and after had a much more linear stroke than me(an amateur). So as it was in the software Vx = horizontal velocity and Vm = velocity magnitude showed the angular velocity. The pros Vx was always nearly the same as their Vm on and around contact. My Vx was a lot less than my Vm.
06-13-2013, 06:52 PM #132
Fellas, the smash action is very similar to throwing a baseball or football... some angular motion at beginning and end of the throw, but mostly linear into the release or strike.
Oh, btw, I'd like to see SZ try throwing a baseball without pronation.
Last edited by visor; 06-13-2013 at 06:54 PM.
06-14-2013, 06:47 AM #133
06-14-2013, 08:40 AM #134
Remember though this is just for at contact.
Fancy post a side on smash from yourself?
Last edited by craigandy; 06-14-2013 at 08:46 AM.