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  1. Fred Bohl

    How much of a groups spread is accountable

    308sako I tend to see your “way of fractionalizing the problem” as a very rational way to approach becoming a better shooter. Great shooting, particularly for score or individually aimed shots for group (pickers versus runners), is made up a set of many acts (each including a precise set of...
  2. Fred Bohl

    How much of a groups spread is accountable

    For the most part I tend to agree with Cheechako that in real shooting conditions the wind and mirage and our ability to read them will trump most other considerations for top tier shooters particularly in competitive shooting situations. As Jackie Schmidt has often noted here, such abilities...
  3. Fred Bohl

    Colored Shooting Glasses Yea or Nay ??

    Pete in Surry My intent was to provide background data to help all of you select filters to suite the conditions you’re facing. If it is not an economic burden it would be good to have a collection of filters so that you could optimize the benefit. The testing that I did suggested that most...
  4. Fred Bohl

    Colored Shooting Glasses Yea or Nay ??

    Filters and Shooting Sport Optics You may find the attached informative. You may also find this related thread helpful http://www.websitetoolbox.com/tool/post/6mmbr/vpost?id=2144420&highlight=filters
  5. Fred Bohl

    Being Raked Over The Coals Over On 6BR Site

    Jackie Schmidt - re your post #21 of 3/18/08 this thread: It would appear that I owe you a specific apology with regard to competition as a testing/proving ground. I did not mean to imply in any way that competition was not or is not an appropriate testing/proving ground. Nor did I intend to...
  6. Fred Bohl

    Being Raked Over The Coals Over On 6BR Site

    Jackie Schmidt Please Read Jackie Schmidt Below are the comments I have addressed to you and one in which I mentioned you. The first two are from 6mmbr forums and the last three are from Benchrest Central forums. The first is from the offending forum were you said you were “Being Raked Over...
  7. Fred Bohl

    An interestin note from Tomball, and "tuners'.

    "Snubbers" Jackie Given the heated exchanges on the tuner discussions, I would be surprised to see an open discussion on "snubbers". I would be delighted to see both theoretical and practical discussions of this area as I'm experimenting there myself. I think I'll try to stay out if one...
  8. Fred Bohl

    An interestin note from Tomball, and "tuners'.

    Jackie Your reply to Lisa serves as an outstanding support to my long held belief that there is no "magic bullet" but rather that winning is based on doing more of a group of many small things extremely well. You did leave out one of the most significant factors however. I'm sure your...
  9. Fred Bohl

    Jackie Schmidt Wins "Another" Gulf Coast Regional Two Gun

    Jackie Congratulations on another win. Under those conditions that win must be one of your most satisfying. Looking at all the scores of the leaders I must say they all shot great for those conditions. Congratulations to all. That list looks so impressive I may just have to make a pilgrimage...
  10. Fred Bohl

    Al Nyhus - Actual Scope Power

    Bnhpr As to scope selection advise I would defer to Al Nyhus (send him a PM - if he isn't at on his way to/from a match he'll probably reply - a very helpful guy) since I've watched him shoot HBR (scary good!) or R. G. Robinett based on his reputation. Al has been trying to talk me into HBR...
  11. Fred Bohl

    Al Nyhus - Actual Scope Power

    I seem to be leaving an incorrect impression (which I have done all too often) that needs clarification. Whatever technique is used to measure magnification (exit pupil size or digital image of the collimator grid) of a rifle scope this is a measure of the optical performance of the scope and...
  12. Fred Bohl

    Al Nyhus - Actual Scope Power

    Don Both my associate and I have a software program called Screen Calipers V4 that will put a virtual calipers on your screen and allow you to make measurements of on screen images. The base measurement is screen pixels but you can calibrate it to a known reference and it will do the math for...
  13. Fred Bohl

    Al Nyhus - Actual Scope Power

    Al, To refresh your memory, this is from your post of 7-29-07 in that thread about Gene Davis's boosters. ---------------------------- Jim wrote: Quote: To put it in general terms, any lens of "plus power" (normally used for hyperopia or presbyopia correction) does "magnify" to some degree...
  14. Fred Bohl

    scope adjusting - -

    Pete, I am a 63 year old with the chronic Presbyopia (if i get the paper far enough away to focus on it, the print is too small) also. My astigmatism isn't very helpful either but I've become accustom to it as it has been with me for 56 years. A couple of us that have been avid experimenters...
  15. Fred Bohl

    Tuner Guidance Please

    To all that have replied or read this thread, I would seem that my query has poured salt in an open wound so I sincerely apologize for that outcome. I had intended to try to avoid the battle and move on to determining if tuners had potential to be worth my time and expense to join the...
  16. Fred Bohl

    scope adjusting - -

    Pete, If you are pointing the scope at gray sky or other featureless background when you adjust the eyepiece for sharp focus on the reticule, the objective setting makes no difference. I do not know your particular visual problem. However, a telescopic sight is designed for use by persons with...
  17. Fred Bohl

    Tuner Guidance Please

    Gentlemen, First, thank you all for responding. Also thank you all for at least attempting to provide useful replies. Varmint Al and Esten Spears, I have been following your efforts to the best of my ability. Your hard work and generous contribution of your time and analysis has been an...
  18. Fred Bohl

    Tuner Guidance Please

    Would those of you that believe your have been or are successful with tuners on center fire benchrest rifles please provide some guidance for me and others like me that have become confused by all the discussions to date. I am a retired engineer and have been shooting for over 55 years including...
  19. Fred Bohl

    Jewell triggers?

    Per Larry D Scott "Jewell does make a specific trigger for the XR100/XP100 and the model 7. The body of the trigger appears to be the same as used for the 700 or 40X, but the bolt release is an obvious departure from the standard HVR. I have these in stock. " From the following post over on...
  20. Fred Bohl

    Slippery rifle on bags.

    PTFE - Teflon Powder Bryce I too have been tying to determine the best treatment of bags to get the most consistent tracking. After a lot of trials I find that PTFE (Polytetrafluoroethylene, akaTeflon) Powder applied lightly to the applicable surfaces of condura bags gives the best results...
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