[Scrap] Smart Tennis Racquet
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http://store.apple.com/kr/product/HE541PA/A/zepp-tennis-swing-analyser?fnode=4a
by Philip Palermo | @philip_palermo | June 15th 2014 at 2:00 pm
2
IRL: a tennis sensor you can use with any racquet
by Philip Palermo | @philip_palermo | October 11th 2014 at 1:00 pm
10
When I tested Babolat's Play Pure Drive connected tennis racquet, I found the resulting data insightful, but thought the platform was hampered by being tied to a single, albeit popular, model. Zepp's tennis sensor, though, can be swapped from racquet to racquet, so I thought I'd slap it on my current stick and see if it could quantify my averageness.
GALLERY|8 PHOTOS
by Philip Palermo | @philip_palermo | October 11th 2014 at 1:00 pm
When I tested Babolat's Play Pure Drive connected tennis racquet, I found the resulting data insightful, but thought the platform was hampered by being tied to a single, albeit popular, model. Zepp's tennis sensor, though, can be swapped from racquet to racquet, so I thought I'd slap it on my current stick and see if it could quantify my averageness.
GALLERY|8 PHOTOS
IRL: Zepp Tennis Sensor
The sensor itself is the same one found on other Zepp products for golf and baseball. In fact, the one I was sent for testing came in golf-specific packaging, but a quick Amazon visit netted me the Tennis Flex Mount ($10) and I was ready to hit the courts.
The Flex Mount slips onto the base of your racquet handle like a snug sock, and the sensor snaps into a rubber cradle on the end. If switching out racquets isn't a concern, Zepp also sells a more discreet Pro Mount, which consists of a plasticky snap-in cradle that adheres to the end of the handle.
In the Flex Mount, the sensor adds about 18g to the base of your racquet. After a short while, I didn't notice the weight on my roughly 326g Wilson Six.One 95S. As a shorter player, I tend to serve with my pinkie finger dangling off the end of the handle for just a wee bit of extra reach. So it took a few swings to get used to the feeling of the rubber sock on the base.
Turning the sensor on requires squeezing on one corner of the unit until a strip of LEDs comes to life. From there, you can go about your practice session or match normally and the sensor will keep track. Using Zepp's 3D serve-analysis feature, though, requires firing up the app and switching from the normal sensor mode.
The analysis mode offers up a 360-degree view of your serve, displaying racquet speed, angles, impact point and range of motion. In normal mode, it can track shot type, power and spin, among other metrics. However it's not as accurate as Babolat's offering. On the Play Pure Drive, I did a few accuracy tests and found it correctly identified backhands, forehands and serves about 95 percent of the time. Zepp's track record wasn't quite as solid –- it counted a few backhands during a strictly serve-only practice session, for instance –- but I'd peg its hit rate at around 85 to 90 percent.
To me, that's a good enough percentage to glean some helpful info. After a light practice session, I downloaded the sensor data onto my iPad and found my power level for groundstrokes was around a 54, with peaks in the 70-plus range, on Zepp's 100-point scale. It's not based on MPH, Zepp says, but it does offer a personalized rating that tracks your power during a session.
While the app presents some clearly useful data in an easy-to-read manner, I wish it were easier to compare stats over time to see if I'm hitting better now than I was, say, two months ago. Currently, the app will show you stats on a static, session-by-session basis, but there's no way to view two sessions side by side for a quick comparison.
The app also lacks the social and game-like aspects of Babolat's platform, which encourages you to "level up" as you practice more and lets you see where you rank among other users, including pros.
Overall, the $150 sensor makes for a solid training aid for those looking to improve their tennis game. It lacks the accuracy and robust comparison features of Babolat's offering, but scores points for its ability to switch racquets and even sports. I can certainly see myself using the Zepp on a regular basis as I practice and play, especially if Zepp opts to update and improve things on the software side.
The sensor itself is the same one found on other Zepp products for golf and baseball. In fact, the one I was sent for testing came in golf-specific packaging, but a quick Amazon visit netted me the Tennis Flex Mount ($10) and I was ready to hit the courts.
The Flex Mount slips onto the base of your racquet handle like a snug sock, and the sensor snaps into a rubber cradle on the end. If switching out racquets isn't a concern, Zepp also sells a more discreet Pro Mount, which consists of a plasticky snap-in cradle that adheres to the end of the handle.
In the Flex Mount, the sensor adds about 18g to the base of your racquet. After a short while, I didn't notice the weight on my roughly 326g Wilson Six.One 95S. As a shorter player, I tend to serve with my pinkie finger dangling off the end of the handle for just a wee bit of extra reach. So it took a few swings to get used to the feeling of the rubber sock on the base.
Turning the sensor on requires squeezing on one corner of the unit until a strip of LEDs comes to life. From there, you can go about your practice session or match normally and the sensor will keep track. Using Zepp's 3D serve-analysis feature, though, requires firing up the app and switching from the normal sensor mode.
The analysis mode offers up a 360-degree view of your serve, displaying racquet speed, angles, impact point and range of motion. In normal mode, it can track shot type, power and spin, among other metrics. However it's not as accurate as Babolat's offering. On the Play Pure Drive, I did a few accuracy tests and found it correctly identified backhands, forehands and serves about 95 percent of the time. Zepp's track record wasn't quite as solid –- it counted a few backhands during a strictly serve-only practice session, for instance –- but I'd peg its hit rate at around 85 to 90 percent.
The Flex Mount slips onto the base of your racquet handle like a snug sock, and the sensor snaps into a rubber cradle on the end. If switching out racquets isn't a concern, Zepp also sells a more discreet Pro Mount, which consists of a plasticky snap-in cradle that adheres to the end of the handle.
In the Flex Mount, the sensor adds about 18g to the base of your racquet. After a short while, I didn't notice the weight on my roughly 326g Wilson Six.One 95S. As a shorter player, I tend to serve with my pinkie finger dangling off the end of the handle for just a wee bit of extra reach. So it took a few swings to get used to the feeling of the rubber sock on the base.
Turning the sensor on requires squeezing on one corner of the unit until a strip of LEDs comes to life. From there, you can go about your practice session or match normally and the sensor will keep track. Using Zepp's 3D serve-analysis feature, though, requires firing up the app and switching from the normal sensor mode.
The analysis mode offers up a 360-degree view of your serve, displaying racquet speed, angles, impact point and range of motion. In normal mode, it can track shot type, power and spin, among other metrics. However it's not as accurate as Babolat's offering. On the Play Pure Drive, I did a few accuracy tests and found it correctly identified backhands, forehands and serves about 95 percent of the time. Zepp's track record wasn't quite as solid –- it counted a few backhands during a strictly serve-only practice session, for instance –- but I'd peg its hit rate at around 85 to 90 percent.
To me, that's a good enough percentage to glean some helpful info. After a light practice session, I downloaded the sensor data onto my iPad and found my power level for groundstrokes was around a 54, with peaks in the 70-plus range, on Zepp's 100-point scale. It's not based on MPH, Zepp says, but it does offer a personalized rating that tracks your power during a session.
While the app presents some clearly useful data in an easy-to-read manner, I wish it were easier to compare stats over time to see if I'm hitting better now than I was, say, two months ago. Currently, the app will show you stats on a static, session-by-session basis, but there's no way to view two sessions side by side for a quick comparison.
The app also lacks the social and game-like aspects of Babolat's platform, which encourages you to "level up" as you practice more and lets you see where you rank among other users, including pros.
Overall, the $150 sensor makes for a solid training aid for those looking to improve their tennis game. It lacks the accuracy and robust comparison features of Babolat's offering, but scores points for its ability to switch racquets and even sports. I can certainly see myself using the Zepp on a regular basis as I practice and play, especially if Zepp opts to update and improve things on the software side.
While the app presents some clearly useful data in an easy-to-read manner, I wish it were easier to compare stats over time to see if I'm hitting better now than I was, say, two months ago. Currently, the app will show you stats on a static, session-by-session basis, but there's no way to view two sessions side by side for a quick comparison.
The app also lacks the social and game-like aspects of Babolat's platform, which encourages you to "level up" as you practice more and lets you see where you rank among other users, including pros.
Overall, the $150 sensor makes for a solid training aid for those looking to improve their tennis game. It lacks the accuracy and robust comparison features of Babolat's offering, but scores points for its ability to switch racquets and even sports. I can certainly see myself using the Zepp on a regular basis as I practice and play, especially if Zepp opts to update and improve things on the software side.
IRL: A few rounds with Babolat's Play Pure Drive smart tennis racquet
by Philip Palermo | @philip_palermo | June 15th 2014 at 2:00 pm
The market for connected, stat-tracking tennis gadgets has blossomed seemingly overnight. Some companies offer motion-sensing, snap-on attachments; others sell fancy racquets with built-in sensors. The French company Babolat is taking the latter route with its pricey but capable Play Pure Drive racquet. I took advantage of Tennis Warehouse's demo program to see if the $400 sensor-laden racquet could help me up my game.
Babolat says the Play Pure Drive feels and plays like its standard Pure Drive racquet, which usually retails for around $190 to $200. While I didn't have one of those handy to compare, I did have my trusty Wilson Six.One 95S on hand. Yes, the Play's 100-square-inch head size is slightly larger than the Six.One's 95 square inches, but the important part is that it does behave like a serious racquet -- not a chintzy, bargain-basement affair with a sensor taped to the bottom.
In fact, as far as balance is concerned, I wouldn't have been able to tell there was a suite of sensors and a Bluetooth module nestled in the handle. About the only thing out of the ordinary was having to charge a tennis racquet. Babolat recommends charging for three hours and rates the racquet for about six to eight hours of runtime.
During my demo period, I recorded about 1,200 shots during solo practices, two-person sessions and informal shotgun matches. Babolat says the Play can identify forehands, backhands, serves and smashes -- all while comparing your strength level to other users and pro-level players. I conducted a quick, 30-shot test to gauge its accuracy with 10 serves, forehands and backhands and the Play was accurate to within one shot. A subsequent 60-shot session showed similar accuracy, though it did count a few serves as overhead smashes, something that may be due more to the informal nature of my practice session versus a more structured match. Impressively, the racquet ignored those small, rapid-fire warm up bounces many do before an actual point begins. It also measures where on the racquet you're hitting and can determine if shots are hit flatly or with spin.
Users can sync play sessions to an iOS or Android app (Windows and Mac users also have access to a web-based client). iPad users like myself can also run the app in 2x Mode, though if you're perusing stats while on the court, it's best to have an internet connection handy -- most of the app's comparison/community features will be unavailable unless you're connected.
Speaking of community, part of the app's appeal lies in the ability to compare and compete with other Play users, including profiles set by Babolat-sponsored pros like Rafael Nadal and Li Na (spoiler alert: Nadal's stats are slightly better than mine). That community competition and the game-like ability to "level-up" as you work on different shots can indeed encourage players to improve. I found myself sneaking in just one more practice session before returning my demo racquet -- I didn't want to end mere percentage points away from leveling up.
Overall, the Babolat Play Pure Drive is a surprisingly robust and capable bit of connected sports equipment. At $400, though, the Play makes sense for those truly serious about improving their games or, perhaps, tennis coaches and academies looking to better monitor students. Hopefully, this is just Babolat's first volley, a preview of things to come. I could imagine an entire line of Play variants of the company's other offerings for those looking for a racquet with a different play style or, fingers crossed, a lower price tag.
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