I am Duane Engdahl, the master designer at Quantum, let me tell you a little about my background. I am a theoretical physicist who served his country during the Vietnam and Cold War Era as a Principle Design Engineer developing state-of-art weapons systems for the US Department of Defense, weapons that could effectively be used by enlisted recruits soon after basic training. These tools had to be easy to use and efficient in purpose. After about twenty years doing this, I became an expert in what was called in the human factors business, a technology I calles "man-machine interface".
My third version was a putter designed more like a traditional golf putter, however it could convert from a play putter to a practice putter so Idubbed it the "Convertible". It had a head lie angle that could be ordered within the range allowed by the USGA (no more upright than 80 degrees)' and at any lie angle. the putter had polar symmetry that enabled sweet impact. The ends were be rounded over so there was be no possibility that the putter could be used with an end impact. Many practice features were embodied into this putter including weight adjustment, loft alignment aid, lie alignment aid, and sweet spot impact aid. Plus it embodied an ingenious way to make the conversion from play mode to practice mode (and back to play again) conveniently -- all the golfer had to do is pull the head slightly downward from the shaft and it would release to allow turning 180 degrees into the other mode; then when released, it would spring back and remain securely in that mode until converted back later.This was a very costly embodiment that was unique, so we went to the expense of patenting it. But once again the USGA once again deemed the Convertible non-conforming with the Rules of Golf, because it was too easy to convert from a practice putter to a play putter and back again. So the Convertible had to be scrapped and another version had to be designed.
My second version was a putter designed to strike the ball on the front or back face, so we dubbed it the "Two Face" putter. Completed in 2004, it was ambidextrous, had polar symmetry, and one side was flat at the sweet spot and intended for play; while the other end was rounded at the sweet spot and was intended for practice. Its sole was at an 75 degree angle to the shaft on each side, so we thought that would abide the Lie Angle Rule. It seemed like a very good and simple solution to the putter problem. But the governing body of golf (USGA) again deemed the Two Face non-conforming with the Rules of Golf -- they thought the putter could be used like a croquet mallet and did not think I did enough to prevent that. Since the ends were still somewhat flat, they were concerned that the putter could still be used for striking the ball on the ends of the putter, instead of on the sides. So the Two Face had to be scrapped and another version had to be designed.
What I learned from the early adopters was that a massive head was important. So I developed a similar golf putter that was made more massive by increasing the front to back dimension, and filling the shaft with high atomic weight Tungsten flakes (at this time several club makers were experimenting with shaft weighting too). I dubbed this new putter the "Finesse" and a new website was created to see how well it would be received by golfers. Sad to say, not very well. Why? Because Aluminum (even when dimension is increased) is still not massive enough for precision putting, and weighting the shaft is counterproductive to a good putting stroke.
New Quantum Symmetric Golf Putter is superior to all previous golf putters including Ping Style Blades and Odyssey Style Mallets.
My first version was a stubby looking mallet that looked much like a croquet mallet, so I dubbed it the "Stubby" and completed in 2003. It was ambidextrous, had polar symmetry, and one end was flat and intended for play, while the other end was rounded and intended for practice. Its sole was round so it could lie on the green at any angle. It seemed like a very good and simple solution to the silly putter problem. But the governing body of golf (USGA) deemed the Stubby to be non-conforming with the Rules of Golf -- they did not feel it was traditional for the ball to be impacted on the ends of the putter instead of the face, nor did they feel it should be possible for a golfer to use a putter with a shaft angle more upright than 80 degrees.So, the Stubby had to be scrapped and another version had to be designed.
This is the story of our Sixteen Year Quest Back in 2002, we at Quantum got the big idea that golf putters must embody polar symmetry in order to be capable of sweet impact -- a requirement of physics that was sadly lacking in popular Ping Style Blades and Odyssey Style mallets on the market today.
My forth version was a putter designed just like the Convertible except the conversion from practice mode to play mode was made difficult' so I dubbed it the "Conforming Convertible". The USGA deemed the Conforming Convertible conforming with the Rules of Golf. So finally, I was able to market a new prototype golf putter to the early adopters. I named it the Quantum Golf Putter because it would make a quantum improvement in golf putting performance' and created a website to market it over the World Wide Web to learn how well it was received by the entire market of golfers.
I learned much from the shortcomings of all the earlier models, and honestly since I self-funded all my R&D it cost me a lot of money. But eventually I learned from the experience what a perfected golf putter really was and the result is the perfected version G which I dubbed the Quantum Symmetric Golf Putter - the ultimate in golf putter perfection. It is made of solid Stainless Steel which is almost as massive as Brass but far more durable, and it embodies polar symmetry plus every improvement that can be made in every other aspect of golf putter form and function. -- it is what every golfer needs.
After retiring from this activity, it became obvious to me that the man-machine interface between a golfer and his putter was absurd in the extreme. Golf putter back in 2002 when I began my quest for an improved putter were tools that seemed to be designed to hinder golf putting performance much more than helpint it, and since then nothing much has changed with putters on the market today; that is except for the new kind of golf putter I have brought to the goli market - the Quantum Golf Putter. It took much longer than I thought it would to accomplish the goal of perfecting the golf putter, but I feel it is well worth the effort. Now golfers worldwide, can make a quantum improvement to their golf performance just by putting my new symmetric technology putter in their golf bag.
As they say, "Most love sausage, but do not need or even want to know how it is made." But for those who are interested, here is a summary of what I went through to reach my goal of giving the golfers a perfected golf putter.
Best performance takes time & practice. but progress is satisfying.
What I learned was that the Conforming Convertible was too complicated for most golfers. And because of all its practice aids golfers perceived it to be practice putter more-so than a play putter, and that was not my intention. So I developed a simplified golf putter that eliminated the practice play features but kept the conforming form factor and we dubbed it the "Simplicity". The Simplicity was made of Aluminum instead of Brass because the early adopters disliked the tarnish and lack of endurance of Brass. So I created a new website to see how well it was received by the golfers. Sad to say, not very well' because Aluminum was not massive to make a good golf putter.
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