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  1. The Renfro

    Darren Appleton's view on Tips - agree or disagree???

    Green to you sir... That's pretty much what it comes down to... Recommendations can put you into a zipcode but in the end you likely have to find the final address....
  2. The Renfro

    Darren Appleton's view on Tips - agree or disagree???

    PJ would post whatever he found on Dave's site he thinks pertinent... Like most contact times (i.e., for most tips and most speeds) are very close to a thousandth of a second (0.001 sec). a soft tip at slow speed has a longer contact time (about 0.002 sec), but still extremely small. a very...
  3. The Renfro

    Darren Appleton's view on Tips - agree or disagree???

    When designing the Ki-Techs I was trying to determine the proper COR for each of our grades from Soft to Hard.... I did the blind testing and players can perceive a difference of 5% COR.... Each step up in grade for the Ki-Techs was set at 5% and local players could put them in order from...
  4. The Renfro

    Darren Appleton's view on Tips - agree or disagree???

    Bob is another one who understands tips being a spring and we talked for a long time at expo last year about synergy before a lying piece of shit told him his tips were made in Florida and undercut pricing... Sadly he now is using tiger tips and those tips out of asia on his shafts but a tip...
  5. The Renfro

    Trick Shots in Regular Play

    Ronnie kicked balls no one today even will look at.. But those were not Trick Shots.....
  6. The Renfro

    OB Cues has a new product

    First in the space are these guys.... They are working on a cuesports interface and attachment but it's not high priority from our last talks..... http://www.zepp.com/en-us/ I contacted them over 2 years ago and they were aware of the utility and had plans for later roll outs....
  7. The Renfro

    Darren Appleton's view on Tips - agree or disagree???

    nor does having an account on AZ......
  8. The Renfro

    Darren Appleton's view on Tips - agree or disagree???

    Actually Earl has not played Elks in years and the Elk I have from Efren tests at over 80...... Things change...... For years Efren played with Duds a friend of his did for him and the one I got in 2010 was a true dud and tested at 73... The ones they had with them this year at derby were...
  9. The Renfro

    Darren Appleton's view on Tips - agree or disagree???

    When you have world class players actually trying to provide insights and you have amateurs coming out saying "but what about me" there is a problem... You have been here long enough to know that Pro players and most industry members won't come on AZ and their is NO open line of social...
  10. The Renfro

    Darren Appleton's view on Tips - agree or disagree???

    Sorry one stroke I will continue to disagree based upon my experiences in talking to actual cuemakers and industry people who do pool as a profession and not as amateurs... Spring rates/COR and Spin/Speed ratio are still not even part of the discussion because of the old information that was...
  11. The Renfro

    Darren Appleton's view on Tips - agree or disagree???

    Yeah no.... I have never walked away from a discussion with a player at the pro level regarding tips where I came away without some added insight from a new perspective... It usually comes down to style of play and their preferred ball speed and shaft choice that establishes the choice in...
  12. The Renfro

    Darren Appleton's view on Tips - agree or disagree???

    That was back when they assigned a 1ms contact time to all tips... The Russians proved otherwise using slow motion video but some of the old theories more or less based on solid on solid collision are still out there... Tips are springs... You change the spring rate you alter certain aspects...
  13. The Renfro

    Product testers wanted, new Jump/Break tip SURE SPC

    How much have you played since early May and how hard is your average break?????
  14. The Renfro

    Venom chalk

    I have not seen the chalk or had a chance to test it I will not say it's a premium since looking at a picture doesn't tell the tale and it could be any of several existing chalks with new labels... Many of the importers have no real idea of what the formula for the chalk is and their is no...
  15. The Renfro

    Stiffest hitting shaft wood?

    Google shows several sources and my interest lately has been on the ash claims that have been going around awhile... The flooring numbers do not list species and major league baseball bats have been going to hard maple over the last few years because it is denser, stronger and stiffer... This...
  16. The Renfro

    Specs on Shane Van Boening's Cues

    Only one experience with Earl and the Cuetec and Earl always is changing things up but around 2000 he came to the Volunteer classic here in Knoxville. He walked in with his case and sat it down on then went back to his car a proceeded to come back in with an armload of shafts... Likely 40+...
  17. The Renfro

    BHE and FHE English system?

    because knowledge is power and even after this exercise fades into his past part of it that works the best will be part of his game... Some players spend their whole life by feel and that is 100% fine but some players want/need that little bit of math/science to keep them in touch with the...
  18. The Renfro

    Is there a test to determine rails bounce

    The $100 bill trick shot where you land on the bill is actually not a bad "poor man's" test... As far as getting the 9ft package to keep from using shims you have to deal with the subrail wood... just a longer rail with no support won't play properly........ video sucks but it's an 8 railer.. 9...
  19. The Renfro

    A Visit with Mr. Moori

    ^^^ This..... Ask Moori San who was the main US Importer/contact when the fakes showed up? I would love to hear his answer..... In other instances the shady practice is to order just enough of a genuine product to keep the supply channel open while ordering way more of fakes you can purchase...
  20. The Renfro

    BHE and FHE English system?

    True statement..... only in certain instances will the cue be level but you can still stroke thru the ball with the tip being on a level plane... Controlling attack angle and the tip will go a long way toward helping you work thru your project.....
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