How do Tretorn X balls feel in hand?

Discussion in 'Other Equipment' started by zerojoshua, Nov 19, 2012.

  1. zerojoshua

    zerojoshua Rookie

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    My experience with other pressurless balls is that they feel to soft in hand and result in a ball that feels dead to the hit. How much do they give when you squeeze them in hand?

    Thanks,

    Josh
     
    #1
  2. tball

    tball Semi-Pro

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    They feel much harder than regular balls.
     
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  3. zerojoshua

    zerojoshua Rookie

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    Even harder then a Dunlop Grand Prix just removed from a can (Which I love)?
     
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  4. tennisnj

    tennisnj Professional

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    Very hard in your hand, even harder when you try to hit them. Tennis elbow is in your future if you use them for any prolonged amount of time (aside from them shooting out of a ball machine). I agree with you zerojoshua about the Dunlop Grand Prix & Tretorns are even harder.
     
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  5. ricki

    ricki Professional

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    rock - hard
     
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  6. mctennis

    mctennis Hall of Fame

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    Ditto +1. Very hard.
     
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  7. BoingTennis

    BoingTennis New User

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    They are hard when new and they stay hard through their lifetime.

    I had a weird batch recently where some balls were popping (white foam exploding out) when using them to practice my serve.
     
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  8. ductrung3993

    ductrung3993 Hall of Fame

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    hard and heavy
     
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  9. beernutz

    beernutz Hall of Fame

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    I don't think they are that much harder than 'regular' balls. I bought 108 of them in 2010 when I bought my ball machine and used them exclusively in it for two years hitting for probably at least 1 hour per week. I never had any arm or elbow problems from that. They are somewhat harder than pressured balls but they aren't like hitting rocks as some people are implying. The only reason I don't use them is that the outer felt finally wore off and they're pretty expensive to replace. I created a system to repressurize regular balls and now use it to keep my ball machine supplied with good balls.
     
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  10. AR15

    AR15 Professional

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    I had a bucket of them with my ball machine, and I found them slightly firmer than regular tennis balls, but I would not describe them as "rocks" by any means. They hit pretty much like new firm balls.

    For the tennis ball machine, I like these because they throw consistently vs balls with varying levels of compression.

    And, I think I've felt more elbow pain when I've hit dead balls than I've felt from the Tretorns.
     
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  11. retrograde

    retrograde Rookie

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    Warmed up with some new Micro X balls today ... my partner and I agreed they played like they were slightly heavier than a regular ball, but nothing that bothered us. We were hitting with new Penn ATP's at the same time for comparison. The Micro X's might have bounced slightly higher off the hard court (or maybe the ball has greater spin potential) but the difference was subtle.

    From a static weight viewpoint, all these balls weigh the same. Out of the can, the Tretorns varied from 2.00 oz to 2.05 oz. The Penn ATP's varied from 2.00 oz to 2.10 oz.

    I think that any player perceptions that the Tretorn's are slightly "heavier" or "harder" has to do with differences in the elasticity of the ball and differences in how they deform on impact. Would be interesting to watch a high-speed video to see if there are any visual differences.

    My elbow can be a bit sensitive so only time will tell whether the bag I'm about to order will mess with my arm after some machine sessions.
     
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  12. Say Chi Sin Lo

    Say Chi Sin Lo Legend

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    Feels like a rock, also hits like a rock.
     
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  13. magnut

    magnut Hall of Fame

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    How durable is the felt on these compared to regular balls? Do they bounce well when its really cold (like in the 40s)?
     
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  14. zerojoshua

    zerojoshua Rookie

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    I ordered some and will let you know

    We will see sometime this week. I will post the results.
     
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  15. retrograde

    retrograde Rookie

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    My previous comments were for play at around 60F.
     
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  16. zerojoshua

    zerojoshua Rookie

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    Temperatures

    My test will probably be around 40 deg F.
     
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  17. Chotobaka

    Chotobaka Hall of Fame

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    The "hard" responses in this thread reaffirm my observation that many people here -- mostly the barely post pubescent -- speak of what they do not know. You have to be out of your M'fing mind to describe these as "hard as a rock". Or more likely, you have never used Micro-X balls, or have zero experience with other "pressureless type" balls. Typical TT.
     
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  18. magnut

    magnut Hall of Fame

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    You could be right there. I have used a lot of preasureless balls over the years and the biggest complaint I have is the felt seems to wear off faster and you and up with really light balls. I have not really gone the Tretorn route yet as they are sooooo expensive. I did test some maybe 10 years ago but it was around the same time as we were testing the oversize rally ball and I dont remember much about the tretorns.

    Still...if they last a long time they would be worth it in the long run. My concern is the felt going like it does on preasurless balls. I dont even mind if the balls are a little heavy. If they dont bounce in the cold forget it. We play in the rain and snow around here.
     
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  19. retrograde

    retrograde Rookie

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    If you're going to be stocking a ball machine for a year's worth of practice, I'd like to hear if anyone has a better solution than the Micro X balls.

    I can't imagine using cases of regular pressurized balls, they'd cost a lot more than the Tretorns over the course of a year.

    And I've played with the Penn Pressureless balls. IMO they don't come nearly as close to acting like regular balls as the Tretorns do.
     
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  20. BoingTennis

    BoingTennis New User

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    I completely agree that the Micro-X are not "rock-hard". However, they are definitely harder compared to normal pressurized balls.

    Gotta be clear here, are we comparing the Micro-X to other pressureless or normal balls.

    I have always used the Micro-X with my Lobster until recently I switched to these Wilson Trainer pressureless balls. They are much cheaper at approx USD65 for a bag of 60. They don't lose their bounce and they are softer than the Micro-X.

    IMO, these Wilson Trainer balls are the closest thing to a normal pressurized ball. However, I'm not sure if these Wilson Trainer is available in the States.

    [​IMG]
    [​IMG]
     
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  21. retrograde

    retrograde Rookie

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    Thanks for the tip BoingTennis.

    I couldn't find the Wilson "Trainer" ball at any of Wilson's international websites. Japan's version does show bags of a "00" pressureless practice ball. Also, some European tennis shops as well as TW Europe are selling a Wilson "Team" trainer ball for 85 Euros. With shipping to the US, that would be pricier than Micro-X from any US retailer.

    I did a search on "pressureless balls" in this forum and there seem to be enough satisfied users of the Micro-X so I ordered a bag.

    That said, I noticed Tretron has a "Micro-X Comfort" ball which Tretorn's website says is suited to cold climates or high-altitude play. I couldn't find any US vendors of bags however.
     
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  22. gh65721

    gh65721 Rookie

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    Beernutz

    How do u repressurize real balls???
     
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  23. retrograde

    retrograde Rookie

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    Last edited: Jan 11, 2013
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  24. max

    max Hall of Fame

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    Yes this is the case. I used to use them. It takes some adjustment but after a couple of weeks it's doable. Gamma sells/sold pressureless balls directly as well; dig up one of their old catalogues and give them a call.
     
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  25. zerojoshua

    zerojoshua Rookie

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    Tretorn X are Soft in hand

    I also use an old soda keg to re-pressurize balls. It's not that efficient.


    The cold weather didn't hurt the Tretorn X balls, but as I feared the balls are soft in hand and this is why they feel heavy. More surface area hits the racket.

    This is the reason I started the thread and apparently I did not convey my concerns properly.

    They are still decent but not nearly what I had hoped for.
     
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  26. tball

    tball Semi-Pro

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    Strange, I played with mine outside just before Christmas. It was cold (39 degrees F). All other balls (some regular, some pressureless from other companies) -- were all dead. I threw out a bagful that day. The tretorns were the only ones which bounced. They did not feel heavy. If anything, they were a little "too bouncy" -- that's the only complaint.

    Anyway, I have not found anything better yet.

    The other presureless balls just lose their bounce overtime. I prefer to deal with extra liveliness of Tretorns. It is almost like opening a new can in the middle of the day in the summer.
     
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  27. retrograde

    retrograde Rookie

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    Could you please elaborate? I'm curious if you mean the end result isn't satisfactory ... or the cost/effort required to get good results is too much?

    It seems to me like $50 for a soda keg pressurizer would be a good deal for those who need to fill a ball machine hopper, or for those who want to have a basket of practice balls.
     
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  28. zerojoshua

    zerojoshua Rookie

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    The bounce of the Tretorns are great at 25 deg, but so are Dunlop Grand Prix and Propenn Marathons.

    I am speaking of how they feel when you squeeze them. Because they give more means that they hit the string-bed with more surface area.

    They are the same weight as other balls.
     
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  29. zerojoshua

    zerojoshua Rookie

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    The amount of time to represurize

    Some balls stay dead regardless of pressurization. Some take a lot longer to pressurizer than others.

    If you're looking for consistent bouncing balls the Re-pressurization rout is not for you. I still use the keg, but not as any type of primary ball system.
     
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  30. retrograde

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    Fair enough. Any idea of the rough percentage of balls that re-pressurize OK per batch compared to the percentage of "stubborn" or "non-responsive" balls?

    Mixing in some re-pressurized balls with a batch of Tretorns might turn a ball machine into one with variable depth oscillation :)
     
    #30
  31. zerojoshua

    zerojoshua Rookie

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    Warm temperatures

    This is what I do. I would say about 60% represurize just fine, but of that 60% some take two weeks and others a few days.

    When there are warmer temperatures I find they represurize faster.
     
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  32. retrograde

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    That's a keen observation about temperature. Makes sense since the rate of diffusion through a membrane (in this case, air molecules through rubber) increases with temperature.

    I wonder if the variable behavior from ball-to-ball is because you've got different brand balls? I've read Dunlop Grand Prix's take longer to re-pressurize.
     
    #32
  33. atai

    atai New User

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    I'm one of those that started using a ball machine with a set of Tretorn micro-x balls. I concur with the other folks here: they felt like hitting rocks! I quickly developed tennis elbow and switched back to regular balls :(. The micro-x definitely felt harder than any regular balls I had used. I can't compare to other pressureless brands, though.

    To avoid spending a fortune on regular balls, I re-pressurize my existing balls with a couple of PressureBall tubes. They do work well, and they are a LOT cheaper than the commercial re-pressurizing kegs. There are a few other threads on PressureBall in this forum.


    alan
     
    #33
  34. MarkJ338

    MarkJ338 New User

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    Hi, this is my first post in years :D

    What everyone has said pretty much sums it up. They are hard, heavy and bad for the elbow. tretorn X + full bed of Luxilon big banger ALU spin is not good for the elbow.

    I found that the longer you hit them for/ wear them in, the bouncier they get. Then, after the fur comes off the balls become like bouncy balls.

    I'd recommend against them. They are good to use a 4 square balls though :p
     
    #34
  35. AR15

    AR15 Professional

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    That seems to be the case in the majority of TW threads. :shock:
     
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