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I don't remember. It's been a long time. I remember pressurizing it multiple times to see if it helped but it never did. So I think it's a myth. You need to leave it for a long time and put more pressure in to see balls looking like this. Try using some dead grand prix . They are softer.

Regular air doesn't work. I think you need a special kind of gas if you are doing the ball keg. I just pulled mine out of the keg after being in store for many years. If you keep putting regular air in it , the air will go to the top and compress the balls down to the bottom. The air will not...

What level is this? 4.5 ??? I'm turning 50 this year and still playing singles. I'm a good/ above average 4.5.

As soon as this technology starts coming down in price it will become quite popular. It's not there yet, give it 5 more years for the price to come down. There is no reason this should cost $2000. Basically just a camera and some software.

I love singles! I am a an older lady, but a good 4.5 singles player in Cincinnati. If anyone wants to challenge me, message me!

I need to do some recruiting to find more players for our club tennis group, level is men lower-average 4.0, women are welcome. Is there a TT forum would be appropriate for this? Is there another website suggestions that we can post to try to recruit players? Thanks.

Any updates on version 4.0?

$548. Any one has any experience with this device? It says all sales are final so I am skeptical.

https://www.impactactivities.com/mckinney Nice! How many indoor courts will they have? Will they offer free courts for a monthly fee?

I am old and used to play indoors. Trying to avoid skin cancer and age spots . I don't hate playing outdoors but in high temps and wind over 7mph indoors is so much better. If you live up north you learn to hate playing outdoors because you get so used to playing indoors. Most women I play...

Ive been to Lifetime Tennis, it's a nice indoor club. I wonder if they offer a less expensive membership for free courts only on non busy hours / early bird, night owl, etc. Will find out. Will also check the Mckinney outdoor courts. Do they have USTA leagues in Mckinney outdoor as well? Also...

Hello, My husband wants to move to Texas because his whole family is from there. I live in Mason and really love it here, it's definitely a tennis/ great schools / family town. I pay about 80 a month for indoor courts here and that includes free court time during non busy hours. Are there any...

I have owned a Playmate for over 11 years and I love it, use it often. I use a homemade big battery (not the original one, it's about 3 times as big as the little one), and also a homemade electric power adapter, which is very convenient, I can hit for as long as I want, with as much power as I...

According to this youtube video, the guy came to the conclusion that 2 weeks at 32psi gives the balls the perfect bounce.

Not correct. The pressure inside a can is about 27 psi. 14.7 psi is the atmospheric pressure. https://en.m.wikipedia.org/wiki/Atmospheric_pressure

Here is a pic. We set it at 32psi. Will give it a few days and see if it works. https://drive.google.com/file/d/1QsrOLCbdj-4L3MHHn0GD8vm4gKxTg39X/view?usp=drivesdk

So I arrived at the place. The guy showed us the ball point one. Then he asked us if we were using it for tennis balls. Apparently he had one already set up because people were showing up to buy for the exact same purpose. So he showed one he had built and was asking us 100 for it. We don't...

Have you tried it yet? We got a brewery reseller close by. We will get the ball lock. It's only 10 dollars more. Going there now. I will post here later.

Great. My husband is handy. I saw a 5 gallon corney keg for $ 39 online. We will give it a try. Thanks.

They also use some sort of gas mixture. Any idea what kind of gas and where you can buy it? I don't think I would build one, for me the cost is worth the hassle, but I am just curious.

I am working on my serve with a pro, and the first thing he said to me is you go after any ball you toss. You should not do this. If you make a bad toss, you should toss again. He recommended changing my serve from pinpoint to platform, because I was chasing my toss all over the place, and for...

I am taking a video with the smartphone, I have a Galaxy J7. Coach's Eye gives single frame capability, so you can skip the swipe and see images frame by frame. Yes, agree, 2 or 3 shots, then delete the old stuff, otherwise the phone gets too crowded. I'm not so far advanced at measuring ball...

I have a little one on my right hand, and that area near the cyst, not quite on the wrist, but under the index finger almost near the wrist, became inflamed 6 months ago, all I could do was rest it (or play with my left hand). Topspin forehand and heavy shots hurt, but double handed backhand...

Thanks for the info. The split-screen feature worked on my phone, I initially thought I wasn't able to do that on my phone, then I saw the video, and figured out. I tried Kinovea, and I think it's better then VLC for playing, replaying and skipping frames, so I will be using Kinovea on my...

This is the process I currently use: - download the youtube video using web youtube downloaders. - make a video of myself serving using the same angle as youtube video. - load my video into Windows computer. - Open Federer video in VLC, - Open my video in VLC - Play in slow motion, or press...

Yes, I agree, need to compare using multiple angles to get the full picture. I will check out Kinovea, it's for Windows, unfortunately, not for Android, but will try it. I am still looking for a free Android app.

Well Coach's eye is good, but costs 14.99 to play videos side by side. The other 2 play videos simultaneously and don't have slow motion. I am going to check out Kinovea .

Yes, it is. I have a 4.5 male friend who changed his forehand grip to get more topspin in his late 40's and at 62 he still plays singles and doubles and everyone says how good his forehand is now due to his change more than 10 years ago.

I want to compare my serve with Federer's in slow motion. I was wondering if there was an app that would allow me to play 2 videos side by side, each one with their own set of controls. I can do this in a Windows app called VLC, where I can open two videos and play both at once, and control...