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Posted
I had the chance to test a few clubs with trackman the others day, I was alone so dint understand really how to use it but I noticed on thing. I was only using a 7 iron as it was the only club and shaft combo in all the clubs I wanted to try, any way most clubs had a launch angle of 22-24 but the Taylor made MB had a angle of 26-27 but with the same distance. What is the optimal launch angle of a 7 iron ???

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Posted

Depends on what the swing speed and spin numbers are.

Mostly you try to get into "optimal" when you're talking about your driver, high launch low spin

Mike McLoughlin

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Posted


Originally Posted by johninspain

I had the chance to test a few clubs with trackman the others day, I was alone so dint understand really how to use it but I noticed on thing. I was only using a 7 iron as it was the only club and shaft combo in all the clubs I wanted to try, any way most clubs had a launch angle of 22-24 but the Taylor made MB had a angle of 26-27 but with the same distance. What is the optimal launch angle of a 7 iron ???


http://www.mytrackman.com/TrackMan.Online.DrivingRange/PGANumbers.html

Has both meters and yards for the tour players.  Not really optimal, but probably the best blend of control, and distance with low scores in mind.  Who cares about "optimal" right?  Scoring is all that matters.  These guys can score and this is how they hit.  The LPGA numbers are probably better for most guys if they really want to compare.

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R11 9° (Lowered to 8.5°) UST Proforce VTS 7x tipped 1" | 906F2 15° and 18° | 585H 21° | Mizuno MP-67 +1 length TT DG X100 | Vokey 52° Oil Can, Cleveland CG10 2-dot 56° and 60° | TM Rossa Corza Ghost 35.5" | Srixon Z Star XV | Size 14 Footjoy Green Joys | Tour Striker Pro 5, 7, 56 | Swingwing


Posted

As mvmac said, optimum launch angle is mainly of concern when choosing driver.

Other things to consider:

  • Loft of club - not all 7i have same loft
  • Characteristics of clubhead - head with lower Vertical Center of Gravity will tend to hit the ball higher
  • Shaft kickpoint (a minor influence) - high KP launches ball lower | low KP launches ball higher

Focus, connect and follow through!

  • Completed KBS Education Seminar (online, 2015)
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Driver:  :touredge: EXS 10.5°, weights neutral   ||  FWs:  :callaway: Rogue 4W + 7W
Hybrid:  :callaway: Big Bertha OS 4H at 22°  ||  Irons:  :callaway: Mavrik MAX 5i-PW
Wedges:  :callaway: MD3: 48°, 54°... MD4: 58° ||  Putter:image.png.b6c3447dddf0df25e482bf21abf775ae.pngInertial NM SL-583F, 34"  
Ball:  image.png.f0ca9194546a61407ba38502672e5ecf.png QStar Tour - Divide  ||  Bag: :sunmountain: Three 5 stand bag

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Note: This thread is 5172 days old. We appreciate that you found this thread instead of starting a new one, but if you plan to post here please make sure it's still relevant. If not, please start a new topic. Thank you!

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  • Posts

    • Nah, man. People have been testing clubs like this for decades at this point. Even 35 years. @M2R, are you AskGolfNut? If you're not, you seem to have fully bought into the cult or something. So many links to so many videos… Here's an issue, too: - A drop of 0.06 is a drop with a 90 MPH 7I having a ball speed of 117 and dropping it to 111.6, which is going to be nearly 15 yards, which is far more than what a "3% distance loss" indicates (and is even more than a 4.6% distance loss). - You're okay using a percentage with small numbers and saying "they're close" and "1.3 to 1.24 is only 4.6%," but then you excuse the massive 53% difference that going from 3% to 4.6% represents. That's a hell of an error! - That guy in the Elite video is swinging his 7I at 70 MPH. C'mon. My 5' tall daughter swings hers faster than that.
    • Yea but that is sort of my quandary, I sometimes see posts where people causally say this club is more forgiving, a little more forgiving, less forgiving, ad nauseum. But what the heck are they really quantifying? The proclamation of something as fact is not authoritative, even less so as I don't know what the basis for that statement is. For my entire golfing experience, I thought of forgiveness as how much distance front to back is lost hitting the face in non-optimal locations. Anything right or left is on me and delivery issues. But I also have to clarify that my experience is only with irons, I never got to the point of having any confidence or consistency with anything longer. I feel that is rather the point, as much as possible, to quantify the losses by trying to eliminate all the variables except the one you want to investigate. Or, I feel like we agree. Compared to the variables introduced by a golfer's delivery and the variables introduced by lie conditions, the losses from missing the optimal strike location might be so small as to almost be noise over a larger area than a pea.  In which case it seems that your objection is that the 0-3% area is being depicted as too large. Which I will address below. For statements that is absurd and true 100% sweet spot is tiny for all clubs. You will need to provide some objective data to back that up and also define what true 100% sweet spot is. If you mean the area where there are 0 losses, then yes. While true, I do not feel like a not practical or useful definition for what I would like to know. For strikes on irons away from the optimal location "in measurable and quantifiable results how many yards, or feet, does that translate into?"   In my opinion it ok to be dubious but I feel like we need people attempting this sort of data driven investigation. Even if they are wrong in some things at least they are moving the discussion forward. And he has been changing the maps and the way data is interpreted along the way. So, he admits to some of the ideas he started with as being wrong. It is not like we all have not been in that situation 😄 And in any case to proceed forward I feel will require supporting or refuting data. To which as I stated above, I do not have any experience in drivers so I cannot comment on that. But I would like to comment on irons as far as these heat maps. In a video by Elite Performance Golf Studios - The TRUTH About Forgiveness! Game Improvement vs Blade vs Players Distance SLOW SWING SPEED! and going back to ~12:50 will show the reference data for the Pro 241. I can use that to check AskGolfNut's heat map for the Pro 241: a 16mm heel, 5mm low produced a loss of efficiency from 1.3 down to 1.24 or ~4.6%. Looking at AskGolfNut's heatmap it predicts a loss of 3%. Is that good or bad? I do not know but given the possible variations I am going to say it is ok. That location is very close to where the head map goes to 4%, these are very small numbers, and rounding could be playing some part. But for sure I am going to say it is not absurd. Looking at one data point is absurd, but I am not going to spend time on more because IME people who are interested will do their own research and those not interested cannot be persuaded by any amount of data. However, the overall conclusion that I got from that video was that between the three clubs there is a difference in distance forgiveness, but it is not very much. Without some robot testing or something similar the human element in the testing makes it difficult to say is it 1 yard, or 2, or 3?  
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