Opinion on using pressureless balls for serve practice?

HunterST

Hall of Fame
I need to get at least 50 balls to go out and practice serves. I'm considering getting presureless balls because they will last longer. I'm a little concerned that they might behave differently than normal balls. Could a serve that would be out with normal balls fall in while using pressureless?

What is your opinion on pressureless balls for practice?
 
Don't.
Pressureless balls are heavier. No good for arm.
Don't.
Lots of coach's say it's better to serve 5 sets of serves (5 first, 5 seconds), then go jog over to retrieve them and set up on the original side by jogging.
When you serve, except for the very first point of the game, you are winded and breathing hard.
Why practice an unreal situation?
 
Don't.
Pressureless balls are heavier. No good for arm.
Don't.
Lots of coach's say it's better to serve 5 sets of serves (5 first, 5 seconds), then go jog over to retrieve them and set up on the original side by jogging.
When you serve, except for the very first point of the game, you are winded and breathing hard.
Why practice an unreal situation?

Thanks, Lee. I was kind of thinking along the same lines.
 
Yes they will feel/behave differently and the serve is probably the area in which you will notice it the most. That little bit of extra weight and the hardness of the ball will feel slightly off. When you go back to serving with regular balls you'll notice how much softer the and livelier they play.

Could a serve that would be out with normal balls fall in while using pressureless?

Yes. In fact, a pro at my club was joking around that Pro Penn Marathons (not a pressureless ball, but a long lasting pressurized ball that my club uses in the carts) makes him look better than he is when demonstrating because he doesn't miss many serves - you can err on the side of hitting a serve slightly long and know it'll still drop in the box.
 
Don't.
Pressureless balls are heavier. No good for arm.
Don't.
Lots of coach's say it's better to serve 5 sets of serves (5 first, 5 seconds), then go jog over to retrieve them and set up on the original side by jogging.
When you serve, except for the very first point of the game, you are winded and breathing hard.
Why practice an unreal situation?

I have actually done a drill where I run a set of suicides on the court with 6 balls in my pocket and then sprint to the baseline and serve them immediately while I am still really huffing and puffing. I want to simulate that point in the match where there is a pivotal 20 stroke rally with both players running corner to corner. Regardless of who wins those points, they are usually a turning point in a match since the person who can recover most quickly or perform the best winded typically wins several points (and sometimes games) in a row after a point like that. That's not really a serving drill, though.
 
I need to get at least 50 balls to go out and practice serves. I'm considering getting presureless balls because they will last longer. I'm a little concerned that they might behave differently than normal balls. Could a serve that would be out with normal balls fall in while using pressureless?

What is your opinion on pressureless balls for practice?

I have a hopper full of Tretorn X that I use for serve practice. The balls do feel slightly off, as others have described it as extra firm and perhaps slightly heavier. I would say the impact off the racket is slightly heavier.

However, I like the fact that I can get a consistent response out of them. With a basket of random scrounged balls, the flat ones do respond differently in terms of spin and bounce to the non-flat.

Serving a lot out of a basket can be bad for your shoulder health if your form is slightly off. But in general, I prefer that to hitting five and then running to the other side of the court to pick up.
 
Pressureless balls don't travel through the air with the same trajectory.

I believe it's because the wall thickness is thicker, which means the center of the wall is closer to the center. This gives it a lower rotational moment of inertia.

When a spinning ball travels through the air, the air resistance decelerates the rotation. A pressureless ball has lower rotational moment of inertia, so the spin slows down much more rapidly. So your hard, heavy topspin serve with a pressureless ball won't have much rpm on it by the time it reaches the service box, giving you a flatter trajectory with misleading feedback.
 
I don't see how using pressureless balls is worse than using dead/bald tennis balls. On the other hand, I have never found pressureless balls to be economic in comparison to regular tennis balls since the pressureles balls are much more expensive and I end up losing them (stuff gets mixed up, hit off the court, falls out of my bag, etc.).
 
On the other hand, I have never found pressureless balls to be economic in comparison to regular tennis balls since the pressureles balls are much more expensive and I end up losing them (stuff gets mixed up, hit off the court, falls out of my bag, etc.).

The Penn pressureless balls are comparable in price to cheap pressurized balls (can get a bag of 12 for $9 at Walmart).
 
Hi Guys,

I'm planning to do a series of videos relative to my project and the experience along the way.

One of the topics on my list includes pressure less balls. So, I'll jump forward and I'll share a few of my thoughts on the topic.

Although I'm inexperienced tennis player, I was hitting for almost three months ONLY with the Tretorn Micro X's. Which by a lot of people considered among the best in its' type.

I've got two boxes of those and I put them to test every day.

They are of good quality and some experienced players as well as few coaches I know agreed that they were the most close-to-real balls they tried.

But, after playing for 3 months in the row with them I had my first match (just about a week ago). Of course I played with normal pressurised, new balls. It was an upsetting experience I should admit. I was miss hitting the ball constantly. For the first thirty minutes I was thinking that I was under the pressure of putting my skills under a test.

But luckily and very frustratingly at the same time it was more of a balls issue. As this type (pressure-less) balls bounce differently, especially in clay courts, I was miss-timing the ball. So I was taking ever slightly the wrong distance of the ball and the hit was never full.

Also and very important to me these balls produce a different sound at impact. I quite I liked this sound as it's a stronger, louder, compared to the other balls. And that produce a hell of a problem at me on my serves. The "lighter" sound of the normal balls made me feel that I wasn't hitting the ball clearly but that wasn't true.

It took me four hours of practice to re-adjust to the normal balls. And the Tretorn Micro X's are history to me. I'm now using the Head ATP balls which are my favourite. I should also mentione that at the first month of using the pressure-less balls, I was playing at least the last 5 to 10 minutes of practice with new pressurised balls and I didn't have such a problem. But after using them for two months straight it was disastrous as described.

Verdict,
Pressure-less balls are in fact way cheaper. As they last at least three times more than the pressurised.
They keep their bounce and felt for a good period of time. But as the time passes we noticed that as much as great the force is at impact the energy absorption of the ball is greater than the pressurised balls. Simply put, that translates to less power output.

As far as arm concerns I should say I didn't have any problems. Although the ball was producing slightly more stress to my arm, wasn't enough to hurt me. Someone with arm issues already might take a notice of that, though.
To me, this "heaviness" was only noticeable when balls were coming to at a certain speed and above. For shorter, lower paced balls wasn't noticeable at all. Not to mention about serves.

If you have any questions, I'll be more than happy to answer them

Cheers,

Stergios
 
these balls are fine for hitting 60mph serves or drop-feed ground strokes and that's about it.

problem is there is no consistent compression.

if you hit it hard, the shell will collapse then trampoline.
 
these balls are fine for hitting 60mph serves or drop-feed ground strokes and that's about it.

problem is there is no consistent compression.

if you hit it hard, the shell will collapse then trampoline.

Why do you claim this?

I hit 100mph + serves all the time with Tretorn X balls and haven't noticed any weird compression. Instead, they just feel sort of solid and hard. In my experience they consistently compress "less." So they do lack feel versus regular balls, but I haven't noticed any weird trajectories.

Tretorn X are approved for use by the USTA. Though, I would always prefer to play a normal version of Wilson, Penn or Dunlop which are the main balls readily available here.
 
serve practice is probably fine.

just can't control the distance of groundies if you put any pace on it.

in a way the Prince balls are similar - low air pressure, hard shell.... if I hit hard the shell collapses then trampolines.

crap.
 
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serve practice is probably fine.

just can't control the distance of groundies if you put any pace on it.

That's accords with what travlerjm claims, that the pressure-less balls don't hold their spin as well. That suggests that they will be fine for flats serves and curve less when hitting spin serves. But that also means that if I can drop a topspin serve in with the pressureless ball, the same serve hit with a regular ball will have more action on it.

The other big advantage that hasn't been discussed is that you can practice serves on wet courts with the Tretorn X without destroying them.
 
what about old, dead balls? Are they good?

they are ok for your form but flatter to deceive, sadly.

when my new racquet turned up a few weeks ago I went out with a basket of old balls to serve with it (I knew it would be quite different to my old ones so I wanted to get straight on it)

anyway, had a lovely time crushing serves left right and centre.

went to team practice the next morning and proceeded to hit every serve long for 15 minutes until I adjusted to decent balls!

and I hit pretty much EVERY serve with heavy spin!

so, I have no opinion about the pressureless balls, but don't use old flat ones, it is just too easy!
 
Don't.
Pressureless balls are heavier. No good for arm...

While they may feel heavier, pressureless balls should/must meet the same mass requirements as other Type 2 tennis ball = 1.975-2.095 ounces

http://www.itftennis.com/media/118889/118889.pdf

They are much stiffer (and may have a different dwell time) which may make them feel heavier. The stiffness of these ball could very well increase the amount of shock reaching the arm. Players with TE usually find these balls too harsh.
 
Lots of coach's say it's better to serve 5 sets of serves (5 first, 5 seconds), then go jog over to retrieve them and set up on the original side by jogging.
Quoted for truth. My serve is much more reliable for serving 50 balls in this fashion than serving 200 all in one go from a basket.
 
they are ok for your form but flatter to deceive, sadly.

when my new racquet turned up a few weeks ago I went out with a basket of old balls to serve with it (I knew it would be quite different to my old ones so I wanted to get straight on it)

anyway, had a lovely time crushing serves left right and centre.

went to team practice the next morning and proceeded to hit every serve long for 15 minutes until I adjusted to decent balls!

and I hit pretty much EVERY serve with heavy spin!

so, I have no opinion about the pressureless balls, but don't use old flat ones, it is just too easy!

Tim,
I know old flat balls aren't the same as new, pressurized balls, but that's all I and most people could afford to use for practing serves. My serves aren't the same between practice session and real games but I don't know whether it's pressure of the game or the ball's characteristics!

I wouldn't say serving with old flat ones is "too easy". If anything, it's harder. My thinking is I just work on form and power. Form-wise, it's the same regardless of balls. For power I need to adjust by hitting higher and somewhat harder. I make it a point to get the ball to bounce once in the service box and hit the back fence. It's harder with flat balls.
 
Ye, fair enough, but I found it relatively difficult to hit the flat balls out which led me to overhit a little with proper balls the next day.

your mileage may vary.
(and I used the flat ones because I didn't want to put any wear on my coaching basket of newish balls because they have to last!)
 
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