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Thread: Dynamic Loft

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    Default Dynamic Loft

    I need some help, what should the dynamic loft be for irons.
    I have been training with TM and i hit my 6 iron the best when the dynamic loft is 19.
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    For a six iron, I think that 19* is pretty good, maybe 1-2* too high? Depends on your swing speed...I think the the PGA average is 16* and the LPGA average (perhaps more relevant for those of us without PGA swing speeds) is 19*. What is your launch angle and max ball flight numbers? Remember, that golf is what the ball does...

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    Is 'dynamic' loft the same as 'launch' loft for Trackman and Flightscope? Just wondering...

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    The dynamic or effective loft of the club at the point of impact on the club face – calculated relative to vertical.

    Correlations (primary) : Attack Angle, Vertical Launch Angle, Spin Rate

    When hitting down on the ball, the dynamic loft will normally be less than the static loft of the club. As a rule of thumb the Dynamic Loft = Static Loft + Attack Angle + adjusted for the impact of the bended shaft (typical +2 for a driver)
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    Obviously, it is easier to de-loft the club if you are hitting down on it.

    But, the whole "trick" to Tour QUality shots is to have more forward lean than downward angle of attack.

    Now, there is this dichotomy—the more you hit down on, let's say, an iron—the easier it is to hit to higher on the face.

    If you hit it higher on the face, you won't get as much vertical gear effect.

    Less downward vertical gear effect, the higher the dynamic loft.


    Dynamic Loft is the EFFECTIVE LOFT of the impact point of the clubface, mid impact interval.
    All you have is your hand path, the force along that path, and torque about that path.


    That's your means for creating the proper D-Plane with the proper speed, for the desired shot.


    Golf Magazine Top 100 Teacher Brian Manzella's travels extensively teaching golfers and instructors, and his home base is English Turn Golf & Country Club in New Orleans, Louisiana

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    Brian -

    Please explain downward and upward vertical gear effect.

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    I have been wondering about how much delofting good players (let's say for players with barely enough clubhead speed to play "big boy golf") do across a set of irons, particularly as I am realizing I just don't have enough lean on wedges.

    So if a 6-iron has 31 degrees of loft and good players have 16-19 degrees of dynamic loft, a good player is typically delofting (all from forward lean or other factors as well?) 12-15 degrees with a six iron, what about with an 8-iron or stock 51 degree wedge - does amount of "delofting" remain relatively constant or vary in some other way?

    Is the change needed for a playing needing to lower dynamic loft a little about just moving coupling point further towards target and maybe closer to golfer? And related question - how much does each degree of down change degree of forward lean needed to reach optimal dynamic loft?
    Last edited by niblick1; 02-22-2012 at 08:23 AM.

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    niblick1 -

    The amount one delofts a club has to vary because of the location of the center of gravity on the clubface and how irons are designed. It's easy to deloft a club with a lot of loft (ex. wedge) because the COG is much farther away from the leading edge than say the COG for a 3 iron which is much closer to the leading edge. If you deloft a low lofted club eventually you won't get enough loft to hit the ball in the air properly.
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    Senior Member mgranato's Avatar
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    Quote Originally Posted by GeoffDickson View Post
    For a six iron, I think that 19* is pretty good, maybe 1-2* too high? Depends on your swing speed...I think the the PGA average is 16* and the LPGA average (perhaps more relevant for those of us without PGA swing speeds) is 19*. What is your launch angle and max ball flight numbers? Remember, that golf is what the ball does...
    The Tour average (2009) launch angle for a 6 iron is 14.1. The average DL is only 2 degrees higher? Is there a chart out there that shows their DL across the set?
    "Enlisted men are stupid, but extremely cunning and sly and bear considerable watching." ~ US Army Officer's Guide, 1894

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    Senior Member mgranato's Avatar
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    Quote Originally Posted by langer View Post
    I need some help, what should the dynamic loft be for irons.
    I have been training with TM and i hit my 6 iron the best when the dynamic loft is 19.
    What is your launch angle and spin for that 6 iron DL? AA?
    "Enlisted men are stupid, but extremely cunning and sly and bear considerable watching." ~ US Army Officer's Guide, 1894

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