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Cobra One Length Iron Review

Gear | 26 | by Alistair Davies

I tested the Cobra One Length Irons, watch the video and get my views and performance all measured by TrackMan.


Alistair Davies

AFPGA Head Golf Professional +447702362477 adaviesgolf@btinternet.com www.alistairdaviesgolf.co.uk
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Alistair Davies

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26 comments

  • Joe November 1, 2016 at 1:15 pm

    Very informing, I may make up 6 iron this winter and give it a try.
    I see where Pinhawk and Integra make component single length
    iron heads. I do have a loft and lie bending machine and my thing would be
    how much these heads can be bent to get the lie angle that I would need?
    Another concern would be maintaining the same swingweight through out
    the set. For me it would be between C-9 and D-1.

    Reply
    • Alistair Davies November 1, 2016 at 1:21 pm

      The Cobra and I guess the other makes are all able to be adjusted in length and lie to suit. As regard the weight you might find that if adjusted you might start to see a bigger change in the distances you achieve. Definitely worth having a play around though. Thanks Alistair

      Reply
  • Tony Wright November 1, 2016 at 1:31 pm

    Interesting review Alistair……thank you for doing this!

    Reply
    • Alistair Davies November 1, 2016 at 1:47 pm

      Thanks Tony

      Reply
  • Umberto Trulla November 1, 2016 at 8:13 pm

    I want prepare my irons set for next season with one lenght,my question are: how tip trimming the shaft??
    Same tip trim for all irons?? or the tip trim trim of the shaft are the standard and cut the butt of the shaft at same lenght???

    Reply
    • Alistair Davies November 2, 2016 at 8:39 am

      It won’t work that way, there needs to be different weighting in the heads so it works. thanks

      Reply
    • Joe November 2, 2016 at 9:09 am

      No ones talking about swingweight which is an important concept to building a set of these irons.
      The weight of the shafts raw and uncut are the important factor in getting the right swingweight.
      You don’t want to end up with a C-2 or E-2 swingweight and you don’t want to add any weight to
      the heads. Get the right swingweight using the right shafts and grips.

      Reply
      • Alistair Davies November 2, 2016 at 9:21 pm

        Hi Joe, The swing weight was d2, I know other single length clubs come with swing weight options however these don’t I believe. Thanks

        Reply
        • Joe November 2, 2016 at 9:39 pm

          Yes Alistair, Cobra has the equipment to build the clubs to a D-2 swingweight. If someone were to
          build a set of clubs for himself or someone else they would be lost if they didn’t have a swingweight
          scale. The cost of shafts are getting expensive and you can’t afford to make a mistake. Luckily I have all of the equipment
          to make a set. If anyone wants to play around, make one club,say a 6 or 8 iron and see how it feels compared to
          a variable 6 or 8 iron.

          Reply
  • Christopher Trunzer November 1, 2016 at 8:16 pm

    The real verdict is that the variable length irons give you more carry distance on the longer clubs, whereas the single length irons keep in touch with total distance only due to the fact of increased attack angle of the 7 iron length shaft (theoretically, not sure why yours is not consistent…) and therefore very likely helping to decrease dynamic loft at impact. It’s like hitting hitting a full swing 4 iron down the fairway pitching at 200y and ending at 210y or gripping it shorter, punching it for 190y carry which runs out also at 210y due to (max height/ landing angle) . I am hoping you checked the club’s lofts as well for your test. You never know what you’re getting delivered off the rack..

    Reply
    • Alistair Davies November 2, 2016 at 8:43 am

      If we look at the 4 iron the carry changed by 4.1 yards ( shorter on the one length ) angle of attack by 0.3 ( steeper on the one length ) and carry 0.4 yards ( shorter on the one length ) so only negligible difference. I didn’t check the lofts no. Thanks

      Reply
  • Alfriday November 2, 2016 at 9:17 pm

    Great first review of the irons. The irons seem to hold up in comparison to the traditional set regarding gapping and distance.

    On another website review of the irons, the reviewer found his contact improved (center hits on the clubface) not only in the long irons, but also in the wedges. This led to improved consistency throughout the bag. This test involved randomized club selection, so the reviewer did not hit the same club over and over. Comparing four shots from one 5 iron to four shots of another 5 iron are helpful, but how often do we hit the same iron four shots in a row?

    I would be interested in a test along the following lines: hit your regular set in a random manner, making sure not to hit the same club twice in a row. Hit each club a total of 3 or 4 times within the random pattern. This would give us a baseline for comparison. Practice exclusively with the single length irons for a couple of days and then repeat the test with the single length irons. Such a test would go a long way to seeing if using single length irons truly leads to better consistency.

    Reply
    • Alistair Davies November 4, 2016 at 3:28 pm

      Yes that would make a good test. Thanks for the feedback

      Reply
    • Joe November 4, 2016 at 3:46 pm

      Totally Agree.

      Reply
  • Joni ma November 23, 2016 at 7:44 am

    Hey!very interesting video!
    I’m gonna need a new set next year.i am a hcp 5.5 player after my 4th season of playin golf.My idea is to mix up the two sets one length forged from 4-7 and variable length from 8-pw because i am hitting my short irons very well but my longer irons arent that consistent.
    what do u think?

    Reply
  • adaviesgolf November 24, 2016 at 8:54 am

    Yes like that idea, thats probably the way i would go also. Thanks

    Reply
    • Joni ma November 24, 2016 at 2:21 pm

      But what about the gapping?will it be the same? Now i have 8-10meter from 4 to gw at each step.4,5,6 irons will be harder to stop on the green right?what do u think?

      Reply
  • Alistair Davies November 24, 2016 at 4:10 pm

    From my testing gapping would be the same as a normal set. The spin and height was slightly less with the one length so might not stop as quick but it was negalble. Thanks

    Reply
  • Matt December 19, 2016 at 4:09 am

    Alistair I enjoyed the review! I’m a plus handicap but I have always struggled with consistency in the longer irons with center contact. I might give these a try. They look beautiful.

    A couple of questions and I should note that I’m pretty familiar with what I need for my normal standard length specs.

    Do the forged ones have pretty low offset? I hate offset.

    If I normally play a 7 iron at a 64.5 degree lie and their standard is 62 degree, should I order at 64.5 degrees for all clubs? I realize some further fitting and testing may be necessary as far as lies go for each club.

    Seems like all of these clubs are within a degree of bending either way to get exactly perfect 4 degree gaps. Would it be possibly beneficial to bend them to those 4 degree gaps? Seems like it may make the clubs perform even closer to a standard length set but cobra may have done enough testing to prove otherwise and we should just leave them at what they recommend?

    Reply
    • Joe December 19, 2016 at 11:58 am

      You say that your 7 iron’s lie angle is 64.5*. The 64.5* is usually on your 9 iron on down to your LW. Do your have any problems pulling the ball to the left? What’s the length of your 7 iron?

      Reply
  • Alistair Davies December 19, 2016 at 10:02 am

    Hi Matt, If you are normally 2.5 degrees upright then that would remain the same, but definitely check with each brand and shaft you use, as this might vary. As for gapping i would look at your yardages with them and gap accordingly. Another option is to use the single length long iron and variable short irons. That is something the will allow with a custom fit set. Hope that helps. al

    Reply
  • Patrick January 13, 2017 at 2:12 am

    Dechambeau has a 5 degree loft gap between his 4 and 5, and 5 and 6 irons. Alistair how did you find the launch on the 4 Iron. I built a a one length set this winter and getting that flight up in the air concerns me when I finally get to test mine. I’m keeping the 9 Iron and up the shorter variable Length. And thanks for the great review.

    Reply
  • adaviesgolf January 13, 2017 at 9:19 am

    Hi Patrick, the 4 iron launched 0.4 degrees higher than the variable one so nothing in it really. Height difference was 5foot peak height so again nothing in it really. Thanks for watching al

    Reply
  • gordparsons February 15, 2017 at 7:29 pm

    I really value and appreciate your unbiased test of these clubs.
    As a 10 cap that hit’s a lot of fairways but struggles getting greens in reg. to match my driving game I have been thinking about trying these irons. The theory makes sense to me.
    I will be buying a set this Spring.

    Reply
    • Joe February 16, 2017 at 12:25 pm

      If your going to buy a set, get fit for the set. Don’t just buy them off the rack

      Reply
  • Roberto April 5, 2017 at 8:46 pm

    Roberto
    Just finished session on the range with Cobra guy and launch monitor. Wanted to try the same length technology. Didn’t realize that it isn’t the length of the irons that matters but rather the relevance that you’re setting up in a 7 iron stance on ever friggin shot. Pretty cool but not enough to put a charge in my wallet, however he put a few graphite shafts in my hand that gave me just enough tingle for a chubby! Wow, it’s definitely time for this 67 year old to make the switch. Anyway, that my goofy review. Try the same length thing but beware of being in the same old boring 7 iron stance all day.

    Reply

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