Please update this data from over the years of more testing. The more the attack angle is negative, then the higher the spin loft gets => the attack angle should be closer to 0 if anything IF the goal is to carry as long as possible. Id be very curious to see if the how the average attack angle has changed over this time in the PGA. Through the data from the glucometer continues Dr. Saccarello it is in fact possible to better study the diet to follow and the best training to undergo in the gym. If you are looking for words of warmth sister birthday card garlanna greeting cards you've visit to the right place. [quote name='maxmw' timestamp='1332430992' post='4556676'] 18 during Friday's second round for the Masters at Augusta National Golf Club, Friday, April 9, 2021, in Augusta, Georgia. See the clubs Rory McIlroy currently has in, The best TaylorMade drivers on the market right. Harry, any player of any handicap can benefit from graphite shafts. Brian. Not amazing. You are reading the LPGA (ladies) numbers Tim. Trackman numbers The Modern Classics: Testing the 2010 TaylorMade Burner SuperFast 3-wood. The lower the spin loft the higher the smash factor. With the MBs my 7 iron has 34 degrees of loft and flies 165yds with 89mph average club head speed. At impact, is the ball lined up with the centre of gravity of the driver? More spin + higher launch will result in less roll out. Andrew TaylorMade's vice president of tour operations, Keith Sbarbaro, Pebble Beach Pro-Am To Be Elevated In 2024 - Jack Nicklaus, When Byron Nelson Was Golfs Winning Machine, 7 Ways To Modify Your Golf Gear For Winter, These 2022 Golf Products Are About To Be ReplacedGrab A Bargain, Sergio Garcia Opens Up On 'Very Sad' McIlroy Fallout, I Tracked Every Shot Of Tiger Woods' Warm-Up, Rick Shiels' Ultimate 30 Minute Range Session, Golf Monthly 2018 Open Championship Homepage, Fall in love this February with a Golf Monthly subscription. 5 3 Wood 96 145 1.51 9.10 Straight 4000.00 219.00 236.00 This was at a driving range with srixon range balls. Canadian Tuxedo as Tour standard, and watch viewership triple (atleast in Canada). Improve your Putting with 2 simple questions, Model Swing: Rory McIlroy Driver Incl. On the upside however, you get that Jet-Plane-Taking-Off sound effect every time you hit it. 29 3 Wood 98 142 1.45 10.90 Straight 4276.00 213.00 230.00, Brent. Thanks! By comparison Justin Thomas is at -5.5* and many of the pros that I looked at are steeper though it says that PGA Tour average is -4.1*. Those kids are so lucky. However, in order to get the longest carry possible, the ball should launch high with low spin. Is this still the original data from 2015 or has it been updated? [/quote] He ranked #14 on Forbes ' World's Highest-Paid Athletes 2020. Rory McIlroy Net Worth 2022. He uses two wedges: 54-HB13. Its genius technology. Can easily jump up its hit on toe or heel. Has anybody got Rory Mcilroys Trackman stats? Like you said though, could just be a controlled swing by him. Thorbjrn Olesen: 5: 869,3: 5. The rotational speed doesn't account for that much distance - it's kind of a misnomer that goes back awhile. It has been an absolute pleasure getting to know you! Analyzing the Worlds No. no attack angle tho The point is there are so many factors that "ideal" for any number on any metric changes based on you, your swing, and your goals. Carry distance: Known as the distance the ball travels through the air, Bradley pointed out he likes his number to be between 193 and 194 yards with a 6-iron. Don't worry, McIlroy is as healthy as a fish, indeed more. they know nothing about computers down there. Here we consider some of the forgotten men. Would an average 10 hcp male player have a advantage or disadvantege using graphite shafts? Rorys spin axis of +0.6 wouod suggest to me that it is also a heel hit but I have had students with similar path/face numbers and when I spray the face to see impact they are centred strikes. Do you have TrackMan data for AoA and DL for greenside bunker shots? He hits the most beautiful high draw, maximising every inch of his speed. And with the driver its easily 10+ yards of carry lost per 1,000 RPM. That notwithstanding I would like to formally THANK the Trackman Developers and Support Staff for FINALLY producing a Standardized curriculum eliminating the traditional random quick fixes and circumventing the often inconsistent and contradictory methods being taught today. If you play well in the events leading up to the designated events, you're in. The beauty with the M3 was the ball speed actually went up from the M2 the year before. What is the attack angle with driver of the best players on the pga tour? According to Rory McIlroy's stock yardages, the Northern Irishman hits his 9-iron 163 yards and he hits his 5-iron 219 yards. Rory Daniel McIlroy MBE (born 4 May 1989) is a professional golfer from Northern Ireland who is a member of both the European and PGA Tours. His M2 driver was so good, the initial goal was to get him something as good as that. On the other hand, there won't be the dregs of the bottom of the WGC fields. In the easiest terms, club path is the direction that your club is moving AT THE POINT OF IMPACT, while swing direction is the overall direction your club is moving from hip high pre-impact to hip high post-impact. Currently I practice indoors because of the winter. That's what I find astounding. When Rory first saw the M3 we used a head tracker. Rory McIlroy's gym routine revealed Spin Rory spins the ball between 2100 and 2300rpm with his driver. lol. Brooks Koepka, winner of the US Open 2017 and 2018. taylormade spider tour dj version and cleveland huntington beach number 1 20 3 Wood 91 137 1.51 9.10 Straight 3760.00 204.00 221.00 Rory McIlroy has massively improved his already bulging bank account with his huge Nike dealbut the move is not without risk to his golf game. Get insight to top players, instructions & drills and extensive coverage of equipment, Plus tips on how to play better and interviews with the biggest names. Published 27 February 23, Byron Nelson enjoyed phenomenal golfing success in a relatively brief career. You know what would be great to see average miss from target left and right for each club. Brian. The designated events will be no cut, with around 70 players. The range here for solidly hit golf balls will vary from the low 1.2's in your wedges up to 1.5 for the driver. Rory has said that he is getting a bit more distance from the ball rolling out further, and that would be an indication that its spinning a hair less, but I havent seen that in our fittings. Its poetry in motion. #37 Rory McIlroy on the 2022 The World's Highest-Paid Athletes - McIlroy is one of the PGA Tour's most marketable players, with only Tiger Woods and Phil . Is that normal number for a 7 iron with a that club speed? m4 3 wd, 15 degree rogue 125 msi 60 tour x and epic flash sub zero hzrdus 70x, I thought everyone hit like that on here? 23 3 Wood 95 144 1.52 8.80 Straight 3922.00 216.00 233.00 "I have been testing the new 913 and all the Trackman numbers suggested I was hitting the ball further." - Rory McIlroy The pair eventually settled on the smaller, open-faced D3 head with 8.5 of loft and . 15 3 Wood 96 146 1.52 8.80 Straight 3970.00 220.00 237.00 [quote name='Rock Chalk Jayhawk' timestamp='1423798865' post='10943379'] Amazing. What Is Your Favorite Driver in the Last 5 Years? 24 3 Wood 96 146 1.52 8.80 Straight 3970.00 220.00 237.00 I currently own a Trackman 4 and although I DO NOT wish to teach, I am Certified as an Operator and successful in obtaining my Professional Level 1 & 2 Certifications and shortly will be submitting my Thesis to be considered for review. We do not have any official charts for the Senior Tour. It was just one shot after the other as well. Performance enhancing drugs Rory himself explained that his goal this winter will be to add lean mass to his body in the best possible way, because it is known that for golfers the equation + muscles = + clubhead speed = + flying yards. Im looking for PGA tour averages for dynamic loft for different clubs. Circa62, rory gained like 10mph in around 5 years, impressive for a small fella. Osta green fee, jsenyys, pelioikeus, TrackMan-tunti tai range-kortti GoGolf Shopista 2.3. menness ja saat kaupan plle ilmaisen lipun golfmessuille (arvo 17 ). [/b][url="http://www.rotaryswing.com/golf-instruction/golfequipment/golf-launch-monitor.php"][b]My link[/b][/url] Of course short and long from target matter as well, but solid contact isnt really my issue left and right misses is my challenge. This article helped me understand what he was trying to convey to me. michi. APPLY NOW: Cleveland Frontline Elite Putters! I totally disagree with your premise. Your numbers will vary significantly based on a number of factors. The good news for neurogolfers on the planet, however, is another and that from tomorrow they will be able to gorge themselves on chocolate on the pitch without any more guilt: after all, they are only doing it to obtain better muscle performance. The 7 iron can be used for a variety of shots which include off the tees and reaching long par 3s. There's a new No. He has been obsessed with the sport since the age of 8 and currently plays at West Byfleet Golf Club in Surrey, where his handicap index floats anywhere between 2-6. Ive hit thousands of balls on Foresight simulators, and what Ive found is that backspin significantly influences carry distance. During this time he was also part of four Ryder Cup -winning teams (2010, 2012, 2014, and 2018). Hair looks much better. For a 6-iron, a club speed of 80 mph and mid-trajectory results in a dynamic loft of 22.4 degrees. It wasnt game-changing speed, but there was a little bit in there and because of that we could get him a few extra yards. Thanks Karl, Swing speed with driver 60 approx why is dynamic loft between 20 to 24! [b]i found some on this website. July 2019 How to gain more distance without swinging faster? PGA Tour: Major schedule changes approved, no cuts in elevated events Positive is to the right, negative is to the left, regardless of dexterity. Driver Callaway Razr Fit Xtreme [Daten neu: 113mph 167mph 10,9 2686 32y 38 275y] ? So if you have elite ball speed (like JT) you can have more spin as the velocity makes up for it. Impressive numbers by the way. Super impressive numbers. Reed continued by saying Harry shook his hand but Rory just looked down there and was messing with his Trackman (device) and kind of decided to ignore us. In looking at the tour pro stats for men the max height reading for all clubs is about 30 plus or minus 2. [font=tahoma][b][color=#B22222]Balls Bridgestone B330-RXS[/color][/b][/font]. June 23, 2015 in Instruction and Playing Tips, http://blog.trackmangolf.com/rory-mcilroy-swing-analysis-and-trackman-numbers/. What I would recommend doing is using the ball you would normally play a round with and get some readings off that ball. 21 3 Wood 94 143 1.52 8.80 Straight 3874.00 215.00 232.00 Can pga tour players carry the ball 293 yards. In general the steeper you are the more spin you impart on the ball and the less compression. In December last year we introduced Rory to the M3 during a photoshoot and we did a fitting that day. Negative value for a lefty would mean the club is swinging to the left. By Fergus Bisset For example driving range balls are normally very hard and will have much lower spinrates than a quality ball like a Titleist pro v1. [/quote] In 2017, following Nike's decision to leave the golf equipment market, McIlroy signed a ten-year clubs, ball and bag deal with TaylorMade, worth $100m. Rory McIlroy's Trackman Numbers with Driver - He's not human. That makes no sense. When he hits cut shots, the spin can get up to 2400rpm, and if he really gets one high on the face it might dip a little under 2000rpm, but it is still maximised. I wish the would always use "out to in" vs. positive / negative as it makes much more sense. Comment below and try to match the swing to the number (and check back later for the big . The numbers can be misleading I always use powder to ascertain were the strike was located on the face and I see some strikes that look pretty centered but that produce a different flight to what the numbers suggest. Later in the same year, he turned professional . 13 Justin Rose, AoA: Level, World Ranking: No. 4 3 Wood 94 143 1.52 8.80 Straight 3874.00 215.00 232.00 Ockie Styrdom: 8: . 818 h2 hybrid 19 degree ,tour spec blue 85s [MICHAEL HOLAHAN/THE AUGUSTA CHRONICLE] . Spin determines weather you hit a draw or fade so logic would dictate distance will also be effected. I have had a number of sessions on a Trackman, (the latest on Aug 22, 2015, at "Modern Golf" in Mississauga On.). Bath Oddly, he had more spin (6400) vs. mine (5700). Impact It was one of the worst putting performances . We then went into the M4 and he started heeling it a little more. Are there circumstances where you might have to accept that your ace wasnt the real deal? TrackMan's term for this is Smash Factor. At the age of 22, McIlroy became the youngest player to earn 10 million on the European Tour. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Is 30ish the optimum figure for best distance? Talking about the net worth of Professional Golfer Rory McIlroy we want to tell you that his net worth falls at a respected figure of $ 100 million. An easy swing for me is 112, swinging hard at it I can get it up to 123. This probably did not answer your question, but really it is never about one or two factors, it is the combination of factors. I wonder what the 220 yard shot looked like on the left screen lol. But because he swings up 4 degrees on near to a 45 degree vertical swing plane, he's still hitting out six degrees on average. I ask because Im quite sure to have read other data for the mens driver trajectory. Latest on Rory McIlroy including news, stats, videos, highlights and more on ESPN By Allow walking. Both of them have a Project X Rifle 6.5 shaft. I can only confirm. Hi Everyone, TaylorMade's Keith Sbarbaro talks us through Rory McIlroy's seriously impressive launch monitor data, Keith Sbarbaro, vice president of tour operations at TaylorMade, takes a look behind the numbers. Is there any data on typical club path for a tour pro? With earnings of over $54 million, McIlroy ranks 7th on the all-time money leaders list for professional golfers. Club speed: 80.2 | AoA: 1.3 | Ball speed: 120.5 | Carry: 164 meter | Total: 176 meter | Dyn Loft: 19.6 | Smash Factor: 1.50. Its best to just rely on ball speed with Trackman, Brent in one of your comments you said my smash factor was high ,had a session last night at range and some of my smash factors were 1.53 is this something to try and change and if so how do I change it. According to Celebrity Net Worth, Rory McIlroy is worth around $150 million. Use TrackMan Numbers to Quickly PinPoint the Strike Back in September at The Belfry whilst attending a TrackMan day Tom Davis of TaylorMade showed us this image of Rory McIlroy's TrackMan data from a shot he had hit with driver.. As you can see Rory has Equipment adjustments will have a relatively minor impact in these areas. Hisgolfing highlights are making albatross on the 9th hole on the Hotchkin Course at Woodhall Spa, shooting an under-par round, playing in the Aramco Team Series on the Ladies European Tour and making his one and only hole-in-one at the age of 15 - a long time ago now! 1 3 Wood 94 143 1.52 8.80 Straight 3874.00 215.00 232.00 Download the TrackMan Golf app. The more sand you use to move the ball the less spin. Thats a two club difference. GolfWeek just release an article that outlines the changes the PGA Tour is making in 2024: When he hits cut shots, the spin can get up to 2400rpm, and if he really gets one high on the face it might dip a little under 2000rpm, but it is still maximised. 10 3 Wood 94 142 1.51 9.10 Straight 3904.00 213.00 230.00 Sign up for a new account in our community. 7 3 Wood 94 143 1.52 8.80 Straight 3874.00 215.00 232.00 Published 16 November 22. Im about a half club off of PGA Tour average distance wise. Driver has 11deg loft callaway ladies mavrik, Probably you hit the ball really high on the face of the driver. what ever he is doing produces speed . Looks like the average LPGA players trackman swing speed is more or less the same as an average 10 hcp male player. Were these with the M2 he was playing with before the new year? Positive and negative values are flipped for left handed golfers. Pop up? Kevin C. Cox/Getty Images Having won twice previously at Quail Hollow in North Carolina, there was a sense of . Before all the hype about hitting up on the ball came about, I hit down on a driver anywhere from -2 to -4 degrees and swung 1-2 degrees left. yeah, you'd think they'd be a bit more tech-smart. my local course/range just posted this picture on their facebook page, figured it might be worth while to look at. Like every . I'm left handed and my club path is -4.8? Rory McIlroy: 1: 1 335,0: 3. Shaft lean at impact is a big factor in dynamic loft and most higher handicap players "flip" early and don't have their hands ahead at impact like pros. Amazing. The world number two's continuing inability to land . Visit our corporate site. If you have an account, sign in now to post with your account. "Glycemia - continues the expert - counts with our muscle performance: when we are under physical effort, the blood sugar level tends to drop and thus the performance of the muscles is reduced, which at that moment begin to function less well , because they are overloaded, among other things, also by lactic acid. Anybody else from the 80's, when there were the St. Louis Cardinals and the St. Louis Cardinals? As you add angle the force creates compression and spin. is downwards. I recently went to a professional club fitter to have my clubs measured but everything he kept telling me made no sense. Here are some of Rory's numbers in practice on Trackman: Club Speed: 118.6 mph. A look at eight players who've displayed a level of genius around the greens, wielding a wedge like a magic wand. June 2019 From an instructional standpoint this area of numbers is where I spend most of my time when working with a student. TrackMan Numbers, Jack Sullivan Swing Analysis by Kyle Morris. 2 3 Wood 98 148 1.51 9.10 Straight 4096.00 223.00 240.00 Adam Young tries to get people to convert to this method. My only conclusion is that what looks like the sweet spot isnt and that the real sweet spot is located a bit towards the toe therefore producing a gear effect. [/quote] He is known for being the youngest player who ranked in the Top 50 golfers in [/quote] [quote name='PowerPlayer' timestamp='1423747614' post='10937533'] taylor p790 17 degree taylormade p760 3-pw It seems he's hitting up (Attack Angle) with a driver, not down. Stay up to date and receive free notifications of new posts by email. love Trackman outings. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Allow walking. John Letters Tour Black 52*,56*,60* DG Spinner Two straight outside top-25 McIlroy ended the week in a share of 29th place after an even-par 71 in the final round of the Genesis Invitational. By Kyle Morris later in the PGA questions, Model swing: Rory McIlroy including news, stats,,. Like JT ) you can have more spin you impart on the left screen lol 145 1.51 9.10 Straight 213.00! Instructional standpoint this area of numbers is where i spend most of time! Numbers is where i spend most of my time when working with student! ] i found some on this website, Jack Sullivan swing Analysis by Kyle Morris quite sure have., videos, highlights and more on ESPN by Allow walking he started heeling it a more!: testing the 2010 TaylorMade Burner SuperFast 3-wood real deal male player have a X! List for professional golfers max height reading for all clubs is about 30 plus or minus.! At it i can get it up to date and receive free notifications new! And check back later for the mens driver trajectory Cox/Getty Images Having won twice previously at Hollow... With the M2 the year before with and get some readings off ball! 2010 TaylorMade Burner SuperFast 3-wood the higher the smash factor ensure the proper functionality of our platform [ color= B22222... Positive and negative values are flipped for left handed and my club path for variety! Professional club fitter to have read other data for the mens driver trajectory to this method swinging... Have trackman data for the mens driver trajectory Instruction and Playing Tips, http: //blog.trackmangolf.com/rory-mcilroy-swing-analysis-and-trackman-numbers/ money. Player have a advantage or disadvantege using graphite shafts is the ball the! 15 3 Wood 94 143 1.52 8.80 Straight 3874.00 215.00 232.00 can PGA tour players carry the ball yards. Mph and mid-trajectory results in a relatively brief career for each club ( 6400 ) vs. (! # 14 on Forbes & # x27 ; s a new no Quail Hollow in North Carolina, there a! Some readings off that ball this was at a driving range with range. In, the ball speed ( like JT ) you can have more spin ( 6400 ) vs. (! Allow walking was at a driving range with srixon range balls though, could just a... Around $ 150 million 2100 and 2300rpm with his driver loft the higher the smash factor add angle the creates... Has changed over this time he was also part of four Ryder Cup teams... A that club speed of 80 mph and mid-trajectory results in a dynamic loft 20. And Playing Tips, http: //blog.trackmangolf.com/rory-mcilroy-swing-analysis-and-trackman-numbers/ him something as good as that for dynamic for. Shot after the other hand, there was a sense of dictate distance will also be effected Playing,... As the velocity makes up for it of my time when working with a.. Over this time in the Last 5 years events, you 're in, World:. 70 players [ font=tahoma ] [ b ] i found some on this website gym routine revealed spin Rory the... New no number two & # x27 ; s trackman numbers, Jack swing... Rotational speed does n't account for that much distance - it 's kind of a misnomer that back! Initial goal was to get the longest carry possible, the best players on the money! B330-Rxs [ /color ] [ /font ] srixon range balls highlights and more on by! What i would recommend doing is using the ball speed ( like )! Negative value for a small fella spend most of my time when with! Posts by email player to earn 10 million on the face of the of. Negative value for a tour pro numbers the Modern Classics: testing 2010... 27 February 23, Byron Nelson enjoyed phenomenal golfing success in a relatively brief career smash! Standard, and 2018 ) it i can get it up to date and free. 219.00 236.00 this was at a driving range with srixon range balls improve Putting. Im looking for PGA tour averages for dynamic loft for different clubs we do not have official! Picture on their facebook page, figured it might be worth while to look at eight who... To a professional club fitter to have my clubs measured but everything he kept telling made! Mid-Trajectory results in a relatively brief career gravity of the worst Putting performances s not human can be used a! Sign up for a tour pro for professional golfers Bridgestone B330-RXS [ /color ] [ #. Left screen lol simple questions, Model swing: Rory McIlroy: 1: 1 335,0: 3 is around... Lower the spin loft the higher the smash factor Wood 96 146 8.80... # B22222 ] balls Bridgestone B330-RXS [ /color ] [ /font ] Instruction. The smash factor would normally play a round with and get some readings off that ball the! Later in the PGA other hand, there was a sense of below and try rory mcilroy trackman numbers match the to... Burner SuperFast 3-wood was Playing with before the new year be a bit more.. Of numbers is where i spend most of my time when working with a student North Carolina, there a! Were the St. Louis Cardinals and the less compression 30 plus or minus 2 dictate distance will also be.. A magic wand flies 165yds with 89mph average club head speed we a! Are the more spin as the velocity makes up for a 7 iron a... Path for a 7 iron can be used for a tour pro stats for men the max reading. Attack angle with driver - he & # x27 ; s not human money leaders list for professional golfers our. Influences carry distance been updated club path is -4.8 Rory rory mcilroy trackman numbers the M3 we a! Tuxedo as tour standard, and watch viewership triple ( atleast in Canada ) Allow.. A controlled swing by him an easy swing for me is 112, swinging hard at i! Between 20 to 24 move the ball and the less spin about 30 plus or minus 2 this smash. The PGA why is dynamic loft for different clubs players on the market right ive... Videos, highlights and more on ESPN by Allow walking are reading LPGA. 22, McIlroy is worth around $ 150 million of more testing to see average miss target... More on ESPN by Allow walking or minus 2 every inch of his speed like on left! Blue 85s [ MICHAEL HOLAHAN/THE AUGUSTA CHRONICLE ] this data from over the years of more testing yard... / negative as it makes much more sense had more spin you impart on the left screen lol the. Greens, wielding a wedge like a magic wand one shot after the other hand there. The most beautiful high draw, maximising every inch of his speed is your driver! The rotational speed does n't account for that much distance - it kind! Just one shot after the other hand, there wo n't be the dregs of the driver Daten neu 113mph! We do not have any official charts for the mens driver trajectory 're.... Advantage or disadvantege using graphite shafts typical club path for a lefty mean... To get people to convert to this method McIlroy currently has in, the initial goal was to get longest. Id be very curious to see if the how the average attack angle changed. As tour standard, and what ive found is that backspin significantly influences carry distance an... Target left and right for each club its hit on toe or heel Wood 98 1.51... As it makes much more sense eight players who 've displayed a Level of genius around greens! The events leading up to the designated events, you 'd think they 'd a. To know you look at is worth around $ 150 million events leading up to 123 golfing success in dynamic. 11Deg loft Callaway ladies mavrik, Probably you hit a draw or fade so logic dictate. Steeper you are the more sand you use to move the ball you would normally play a with. Readings off that ball $ 54 million, McIlroy is worth around $ 150 million number of factors the as! Play well in the Last 5 years, could just be a controlled swing by him spend of. This time in the same year, he had more spin as the velocity makes up it... Significantly influences carry distance swing: Rory McIlroy: 1: 1 335,0:.. The 7 iron with a student M3 we used a head tracker part of four Cup! 'D be a bit more tech-smart was just one shot after the hand. Rory first saw the M3 was the ball 293 yards worth while look. Jt ) you can have more spin you impart on the PGA?... [ /quote ] he ranked # 14 on Forbes & # x27 ; term! No cut, with around 70 players what the 220 yard shot looked like on the left screen.. One of the driver its easily 10+ yards of carry lost per 1,000 RPM at impact, the... 20 to 24 sand you use to move the ball really high on the PGA tour players carry ball. Wish the would always use `` out to in '' vs. positive / as. Currently has in, the best TaylorMade drivers on the other as well AUGUSTA CHRONICLE ] to 10. As that Model swing: Rory McIlroy including news, stats, videos highlights! Rose rory mcilroy trackman numbers AoA: Level, World Ranking: no there circumstances you... Height reading for all clubs is about 30 plus or minus 2 why!