How to do a corkscrew serve

I've heard a few mentions of "corkscrews", when you spin it along the vertical axis, so not topspin, bottomspin or sidespin. And this is supposed to be very difficult to return properly.

Just to clarify my understanding of the "corkscrew", like, if the ball is moving forward, and you're looking at the ball at the same eye level, behind it, then it's rotating in the direction of clock hands; clockwise or counter-clockwise. Here's a diagram of what I mean:



How do you serve a corkscrew? From first hunch, it doesn't seem possible to hit a ball forward without having it have at least an element of topspin, bottomspin or sidespin.

*JC* wrote: http://jc.wotan-tt.net/videos/corkscrew.wmv cant be done as "pure" corkscrew due to

I don't see why it couldn't be done for some point in time during the ball's travel.

American Football players can throw a perfect spiral pass; I think a Table Tennis player can serve a pure corkscrew using the proper countering forces.

--Rob

http://outpost81.com/ttoutpost/

 

who pros do the corkscrew

Ma Lin, Shlager, Chen Qi, Samsonov, Oh Sang Eun, Ryu Seung Min etc; most pros can do it but don't use it in matches.

I think football players can throw perfect spirals for two reasons:

(1) Since they make continual contact with the ball, they can first set the ball moving forward, then apply spin to it, whereas your racket has very short contact with the ball (though theoretically, with longer dwell time it may be possible to do the same thing)

(2) Even if a football player throws it slightly off of a perfect spiral, aerodynamics might correct it and smoothen the spin so it becomes more perfect? Just a guess.

isit possible?

YATTP "Contrary to what has been said before you can actually get *VERY* large amounts of backspin from high toss serves."

I have just got to come back with this.
I have identified that one of my serves is cork screw, that is it kicks to the backhand and exits the table parallel to the net about 6 to eight inches from the bh net post. I also have a swerve sidespin to the same area but thats curving through the air rather than kicking off the table.
Interestingly the corksscrew one when my opps try to just touch it short down the line it just dies in the net. This is because the axis of the corkscrew is parallel to the surface of their racket face so the spin of the ball is backspin. But the service action to produce it is pendulum style with the edge of the racket coming up under my chin to meet the falling high toss. So this is acase of the the high toss enhancing a chopped serve as Yattp suggests