Serve speed App - Anyone else try it?

Discussion in 'Racquets' started by JackB1, Mar 27, 2013.

  1. JackB1

    JackB1 G.O.A.T.

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    I tried this yesterday and used this video for it:
    http://www.youtube.com/watch?v=F3JJOFzIV4s

    It said 92 mph when I calculated it. But I wonder if this is close to being accurate. There are a few things that seems too inexact..for one, you have to "approximate" where you are standing on the court when you serve. Second, you approximate where the ball lands. The app may measure accurately the time it takes for the ball to go from racquet impact to court impact, but the exavt distance the ball is going seems estimated. Also, it doesn't take into account exactly where you strike the ball when serving. Some guys impact the ball 2 feet into the court and some hit it from behind the baseline.

    I guess its a fun app to mess around with, but it probably has a +- of around 5 mph on accuracy because of these inexact parts of the measurements.
     
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  2. Nostradamus

    Nostradamus G.O.A.T.

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    does this come in Android download ? and is it free ? I like to try this out.

    That $280 stationary radar is not very accurate and it is a Total ripoff. have no idea why people buy that. You set that thing at the net and it measures speed of the ball as it approaches the net and it SUCKS
     
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  3. JackB1

    JackB1 G.O.A.T.

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    It's either free or .99, I forget. And as far as I know it's just on the iPhone.
     
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  4. chizzle

    chizzle Rookie

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    There's a couple of them out there.

    I just downloaded the "Tennis Speed" one for .99

    I'll try it a my son's Lacrosse practice tonight. (measuring Lax shot speed).
     
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  5. LeeD

    LeeD Bionic Poster

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    At our level, 4.0, a 92 mph serve would be one of the faster serves, but not the fastest.
    At around 100, with decent placement, especially right hip shots, it's a forcing serve to solicit a weak sitter return....or a mishit winner, of course.
    If the returner always takes your serves seriously, it's over 90 mph. At our level.
     
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  6. Fuji

    Fuji Legend

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    There are way to many variables for it to be overly accurate IMO. I'll buy it and test it out tomorrow! :)

    -Fuji
     
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  7. Fuji

    Fuji Legend

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    By the way, which app is it? ServeSpeed?

    -Fuji
     
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  8. LeeD

    LeeD Bionic Poster

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    :) Braggin cause I can, today....
    Against 4.0 men and some top 10 ranked 16 and 14 girls....
    NOT one of my first serves got returned, in 3 sets of doubles. I hit maybe 10. Less than 1/2 my seconds got returned, I did not double fault, of course.
    Less than 3 total of my second serves got returned to my side of the court...needing a reply from me.
    Of course, I dumped over 6 forehand slice returns into the bottom of the net, and set up the opposing netperson for easy putaway overheads from the service line at least 5 times.
    I actually lost my first service game without getting to hit any balls besides my serve! :):)
     
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  9. Timbo's hopeless slice

    Timbo's hopeless slice Hall of Fame

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    well, I don't need any of this techno stuff

    this is TT, so I KNOW I serve kickers out wide at 120 mph unless I go for a flat one down the 'T', those are 130 mph....

    but the big hitters of ALTA 4.0 would still hit winners off them, lucky I don't play there! :)
     
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  10. LeeD

    LeeD Bionic Poster

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    Better for you to stick to playing 5.0's, as those pesky 4.0's are just too darn strong for your serves.
     
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  11. Fuji

    Fuji Legend

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    Pfft, your serves are so slow. My kickers that roll in are at like 140MPH, easy. I taught Raonic how to hit his wimpy serves, being that we are from Canada and all.

    -Fuji
     
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  12. v-verb

    v-verb Hall of Fame

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    Yep. Our secret diet of baby seals is the key!




    I'm JOKING people:)
     
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  13. LeeD

    LeeD Bionic Poster

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    Any of you actually have opponent's tell you your second serve ball is oval and hisses loudly? Got that today from 3 different players.
    Helps we were using Penn speed of light balls.
     
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  14. LeeD

    LeeD Bionic Poster

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    Oh, "hissing and oval", and about 75 mph speed.
     
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  15. Nostradamus

    Nostradamus G.O.A.T.

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    I am really mad that this is only for Apple. what about android phone users?
     
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  16. LeeD

    LeeD Bionic Poster

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    What about NO fone users?
    I check my service speeds on court. If no 4.0 can take a swing at my first flat serves, it's moving over 100. If they can block them back with a short swing, I'm hitting into their sweetspot.
     
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  17. Power Player

    Power Player Talk Tennis Guru

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    I use the back fence as my gauge. If im hitting 5 feet up off the bounce, I know it's coming in at over 100.
     
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  18. cluckcluck

    cluckcluck Hall of Fame

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    I've tried a few different types of radar guns over the last couple of years.

    The serve cage at the pro tournaments (IW, Farmer's Classic, etc) seem to be the least accurate of the bunch. I've been clocked in those at 115-128mph. Now, you have to think about how they are positioned, RIGHT IN FRONT OF YOU about 20 feet away. Not a very good way of measuring I think so it's gotta be skewed.

    The second method was with a Pocket Radar (sold at TW). That device has clocked me at 98mph consistently, it's a little awkward to use because the person holding the thing has to be behind you (15 or so feet) and have good timing as far as pushing the button at the right time.

    The third method I've tried was all mathematical with a timer and calculations, which was also somewhat accurate, if my calculations were accurate I was serving in the low 90's.

    I have yet to try the phone app (perhaps I'm too cheap to pay the $1 for the app) though I don't imagine it would be anymore accurate than what I've tried before.
     
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  19. LeeD

    LeeD Bionic Poster

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    I like PowerPlayer's measuring method.
    Except lots of my bounces only go 30" high at the backboard.
    I like to attribute that to DunlopHD balls, air and court temps below 60, and skidding painted cement courts.
     
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  20. mikeler

    mikeler G.O.A.T.

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    Shorter players will have lower bounces. Cold weather and non-lively balls will reduce the height of the bounce as well.
     
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  21. JackB1

    JackB1 G.O.A.T.

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    PP...give the app a shot. I am curious what you get from it. It's only 99c.
    Worth a try.

    Not sure about the "fence method". Every now and then I can hit the back fence on one bounce...most of the time about 2-3 feet up, and every so often a little higher. I know I am nowhere near 100. But I agree...a serve that goes 5 feet off the back fence is a great serve usually and has lots of pace and kick.

    I took my same serve video and measured it a few times and got readings from 85-95, so it definitely isn't accurate within a few mph's.
     
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  22. Power Player

    Power Player Talk Tennis Guru

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    Honestly, I don't care too much about serve speed right now. I am just going for consistency. I had a mega serve as a junior for my height, and I got clocked at 115. Now and then I recapture that magic and hit bombs, but my main focus is avoiding the double fault. If I think about speed at all, it screws me up because I go for too much.

    But just hitting relaxed and getting on top of the ball now, I easily hit the back fence 2-4 feet up, and now and then dial one up the T that sticks in there (which is how I got the 5 foot number).

    I can't even figure out that swingweight app made by the same guy..lol. I am good with racquet tune though, amazing app.
     
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  23. JackB1

    JackB1 G.O.A.T.

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    I know and serve speed is not important to me either, but wanted to try the app. IT's a good idea if he can just work some of the kinks out. If you could somehow superimpose where you are standing and where exactly the ball hits, it would be much more accurate.

    I also love racquettune and have used the swingweight app as well, but not so much anymore. All the measurements are quite cumbersome.
     
    #23
  24. ChicagoJack

    ChicagoJack Hall of Fame

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    Jack, which did you use? I'm searching apps on my iphone and I'm seeing several.

    1. Tennis Power Serve: By Keld Sperry sports, free

    2. Serve Speed: By TrackByte sports $2.99

    3. My Bullet Serve: By Opus Mobile Technologies $1.99

    4. Tennis Speed: By Right Brain Group $.99

    5. Nobody Believes My Stories About Serve Speed Anymore After Seeing My Videos: By LeeD, free

    Thanks!

    -Other Jack
     
    #24
  25. Dags

    Dags Professional

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    There's a thread about this app here, started by the developer tennisplayer_85:

    http://tt.tennis-warehouse.com/showthread.php?t=445503


    Within that thread, there's also an explanation of the maths behind another app called speedClock - the developer for that is the poster Stoneage, who also wrote racquetTune.
     
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  26. JackB1

    JackB1 G.O.A.T.

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    It's Servespeed by track byte. I guess he raised the price since it's been out for a while? I picked it up several months ago when I believe it was still just $.99.
     
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  27. ChicagoJack

    ChicagoJack Hall of Fame

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    Dags, Jack

    Cool, thanks for that info. I'm interested to put my ideas about my various sticks and mods to the test. Even if the app isnt 100 accurate, it should at least provide consistent readings when I switch racquets. Ive got my own perceptions and ideas, but it would be cool to put a constant frame of reference on those unmeasured perceptions.

    Jack
     
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  28. JackB1

    JackB1 G.O.A.T.

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    Best bet would be to serve from the same exact spot all the time and try to measure the serves that hit around the same exact spot all the time. You have to approximate where u are standing and where the ball hits the court. Making those 2 variables as constant as possible will yield more consistent results.
     
    #28
  29. Cesar1992

    Cesar1992 New User

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    Where do you find the racquet tune app? THANKS!
     
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  30. JackB1

    JackB1 G.O.A.T.

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    Its an iPhone app. Just search for racquet tune.
     
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  31. TimothyO

    TimothyO Hall of Fame

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    Just tried this app with the wife.

    Measured 6 flat serves and they ranged from 80-86 mph aiming for consistency rather than maximum power. Actually hit 8 balls but one went long and one into the next.

    Given the way the app works I think that all I can say with confidence is that I probably serve in the "low 80s" which I guess is reasonable for someone with my experience (playing a couple of years and practices serves minimum 3 days per week at least, 50-75 balls per session).
     
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  32. JackB1

    JackB1 G.O.A.T.

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    That's about what I got. I probably avg around 80_85 but can probably hit 90 every now and then.

    Isn't it weird how you have to approximate where the ball hits?
    I find that part of the whole equation allows for inaccuracies.
     
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  33. TimothyO

    TimothyO Hall of Fame

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    Yeah, I ended up trying to "bracket" each variable. 80-86mph was the low to middle result. When I bracketed 'high' the numbers crept closer to 90 but I didn't want to hopeful! :)

    What's more weird is how I look in the videos. :oops:
     
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  34. JackB1

    JackB1 G.O.A.T.

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    I think if you can hit a corner spot with your serve, its easier to match it on the app.
     
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  35. TimothyO

    TimothyO Hall of Fame

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    Absolutely. I can do that consistently now so it served as a good reference point. I actually have an easier time soing that on flat serves. With top spin serves I can't control placement as precisely.

    Given how the app works I don't believe it's possible to get a decent reference point in the middle of the box.
     
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  36. JackB1

    JackB1 G.O.A.T.

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    Here's crazy idea....

    bring some baby powder with you to the courts. Sprinkle a light dusting in an area of the service box you are trying to hit. Then you will see exactly where your ball hit and can mark it in the app much more accurately.
    Or.....just wait for the yearly pollen dusting....should be coming soon :)
     
    Last edited: Apr 1, 2013
    #36
  37. TimothyO

    TimothyO Hall of Fame

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    :D

    We call it Seasonal Poor Man's Eagle Eye...
     
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  38. JackB1

    JackB1 G.O.A.T.

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    It can get pretty bad. I have seen some guys bring a leafblower to the courts to try and blow it off.
     
    #38
  39. Joonas

    Joonas Semi-Pro

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    Can I expect the app to work with iPhone 4s?
     
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