|
|
|
Random Thoughts About Pips |
Post Reply 
|
| Author | |
rpber 
Member 
Joined: 09/04/2006 Status: Offline Points: 30 |
 Post Options
 Thanks(0)
 Quote Reply
 Topic: Random Thoughts About PipsPosted: 05/14/2007 at 9:50pm |
|
Is there a reason why the structure of pips (I'm referring to inverted rubbers here) is always cylindrical? Is this really the optimal structure to maximize speed, spin, etc? Has anyone out there used an inverted rubber with a different pip structure before or knows if the equipment companies have done any research into this? Thanks!
|
|
 |
|
| Sponsored Links | |
|
|
|
unisonus
Super Member 
Joined: 11/03/2004 Location: United States Status: Offline Points: 218 |
Post Options
Thanks(0)
Quote Reply
Posted: 05/15/2007 at 2:02am |
|
They are not always cylindrical. Some pips are conical (e.g. 729 802-40). I don't know the physics well enough to explain why they have this shape. However, the ITTF mandates a uniform surface and tolerates (for any extend period of time) only those rubbers which affect the ball in a consistent and predictable manner. Only a few pip-designs satisfy these requirements.
|
|
|
Instinct 5ply
RITC 2000 1.8mm |
|
|
|
|
Speedplay
Premier Member 
Joined: 07/11/2006 Location: Sweden Status: Offline Points: 3405 |
Post Options
Thanks(0)
Quote Reply
Posted: 05/15/2007 at 8:38am |
|
Good answer if the question was about pips out rubbers, but I belive the question is about the pip structure beneath inverted rubbers.
I'm quite sure that there have been some serious testing before the companies decide which structure to use. Not sure if they all are cylindrical... |
|
|
The holy grail
|
|
|
|
|
O! Ju Qian
Gold Member 
Joined: 06/07/2006 Location: CA Status: Offline Points: 1049 |
Post Options
Thanks(0)
Quote Reply
Posted: 05/15/2007 at 9:46am |
|
the pips should sort of remind you of springs, so it's logical to say that they are cylindrical. a cylindrical pip can bend better than other shapes because it provides the maximum flexibility and elasticity. |
|
|
BL: Yasaka Extra Offensive CP
FH: Hurricane 3 Pro BH: Tenergy 05 "Practice is USELESS if you don't understand what you are doing." |
|
|
|
|
O! Ju Qian
Gold Member
Joined: 06/07/2006 Location: CA Status: Offline Points: 1049 |
Post Options
Thanks(0)
Quote Reply
Posted: 05/15/2007 at 9:49am |
|
if you only play with a topsheet that doesn't have pips underneath, then you will not get the catapult effect.
|
|
|
BL: Yasaka Extra Offensive CP
FH: Hurricane 3 Pro BH: Tenergy 05 "Practice is USELESS if you don't understand what you are doing." |
|
|
|
|
rpber
Member
Joined: 09/04/2006 Status: Offline Points: 30 |
Post Options
Thanks(0)
Quote Reply
Posted: 05/15/2007 at 2:25pm |
|
What if the pips were oval? Or if they were shaped like an hourglass, thinner in the middle but fatter where it contacts the sponge and topsheet? Or if it were the other way around, if it was tapered close to the topsheet and sponge but fatter in the middle?
|
|
|
|
|
Jack87
Super Member
Joined: 01/18/2007 Location: United States Status: Offline Points: 309 |
Post Options
Thanks(0)
Quote Reply
Posted: 05/15/2007 at 5:15pm |
|
I see what you're saying, and the first thing that comes to mind is that there are slight differences, but anything more dramatic would probably decrease the durability of the individual pips quite a bit.
|
|
|
|
|
stephen chung
Super Member
Joined: 02/25/2005 Location: Singapore Status: Offline Points: 99 |
Post Options
Thanks(0)
Quote Reply
Posted: 05/16/2007 at 6:10am |
|
Good idea. Maybe I'll ask my friend to manufacture some like that to try it out.
|
|
|
Blade: Butterfly Custom made 1ply Hinoki 10mm
Rubber: Bryce Hard |
|
|
|
|
fatcomet
Silver Member 
Joined: 04/30/2006 Location: Korea, North Status: Offline Points: 798 |
Post Options
Thanks(0)
Quote Reply
Posted: 05/16/2007 at 5:14pm |
the ittf would sook & b& |
|
|
|
|
creeder06
Silver Member
Joined: 02/07/2007 Location: United States Status: Offline Points: 541 |
Post Options
Thanks(0)
Quote Reply
Posted: 05/16/2007 at 5:31pm |
|
i wonder what that would do butterfly pays people big bucks to answer that question though so i am sure testing has been done to answer that question
|
|
|
if table tennis is to sports, what star wars is to movies, then you must be chewbacca.
|
|
|
|
|
Pip Master
Silver Member
Joined: 02/12/2006 Location: Canada Status: Offline Points: 678 |
Post Options
Thanks(0)
Quote Reply
Posted: 05/16/2007 at 8:57pm |
|
generally conic pimples would not be able to produce any spin at all because of surface area is reduced even more.
|
|
|
Blade:Yasaka Gatien Extra 3D
FH: Mendo MP BH: Sriver EL |
|
|
|
|
Swiff
Platinum Member 
Joined: 06/09/2006 Location: United States Status: Offline Points: 2587 |
Post Options
Thanks(0)
Quote Reply
Posted: 05/17/2007 at 12:50pm |
|
I think I read a good point. Cylindrical pips may be better for consistency.
|
|
|
|
|
|
|
Post Reply
|
|
Tweet
|
| Forum Jump | Forum Permissions You cannot post new topics in this forum You cannot reply to topics in this forum You cannot delete your posts in this forum You cannot edit your posts in this forum You cannot create polls in this forum You cannot vote in polls in this forum |
MyTableTennis.NET is the trading name of Alex Table Tennis Ltd. |
Topic Options
rpber wrote: