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Very Hot Topic (More than 25 Replies) bench rest recommendations (Read 30893 times)
boats
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Re: bench rest recommendations
Reply #45 - Mar 19th, 2010 at 2:32pm
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Joe afraid we don't agree on several points.  I don't want to be augmentative but here  goes.

On equipment if it's up to standard there is not a hill of beans different in potential between one outfit and another.  Not comparing to 25 years ago, top outfits on the line today.  CPA-Miller-Ballard   Douglas -Shillen-RKS   Unertil-Weaver-Leopold  Hart-Sinclair-Outer.  Equipment is what  we read about and like to talk about but it's human performance that makes winners.  As long as the equipment works properly that is.  That's my opinion.

On distance and the effect on target.  Been shooting at distance for over 40 years and have seen a lot of competiton.  Ain't no formula that lets you calculate the effect as distance increases. Longer is harder due to more exposure to conditions, No way around it.

Look at ASSRA scores.  Highest is 50' gallery no conditions at all. Next highest scores are at 100 rimfire.  Most difficult target to score high on is the 200 yard target

Go to NRA Silhouette and look at how many people have cleaned the 500 meter rams, very few compared to the targets closer.  In MOA the rams are larger than Turkeys or Chickens.  Still much harder targets to score on.  I know have been chasing a 10 in a row Ram pin for years and never got one. All the other critters have shot 10 more than once, most frequent on the near targets less so on the long ones. 500 separates good from ordinary shooters.

I shoot a fair amount of IDPA pistol matches. We have guys that are real good on short targets 7 & 10 yards, lighting fast and accurate too.   Last year at the Carolina cup they had 6 targets for 3 shots each set from 35 to 50 yards.  Guys that were considered contenders and had never shot over 20 yards lost the match on that stage alone.  Lowest scores by far on the standard classifier match is on the 20 yards leg.  Many clean it at 7 & 10 and drop all there points at 20.

Distance makes a big difference

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westerner
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Re: bench rest recommendations
Reply #46 - Mar 19th, 2010 at 3:17pm
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[quote  I'm a little surprised no one's mentioned a 'sighter cam' for quickly moving up and down from sighter to record target versus left and right.

Good luck,MM [/quote]

Since moving the rear leg of the rest up or down moves the top of the rest farward or back and changes the angle of the top of the bag I would rather use the windage adjustment. I think the windage adj system to be better. Cant prove it though. 

     Joe. 
  

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westerner
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Re: bench rest recommendations
Reply #47 - Mar 19th, 2010 at 3:19pm
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Quote:
yawn



Crackin me up Dave!!  Grin Grin
  

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Re: bench rest recommendations
Reply #48 - Mar 19th, 2010 at 5:38pm
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I remember one time aboot ten years ago at Tacoma. Bev Pinney was sitting at the bench to my left. Bev had just had a new knee installed and it was stiff and sore. He kept looking at my rest and finally told me it was too heavy. Bev went on and on about it sorta like Joe B. It sorta got my dander up and I swore to myself I'd make my rest much heavier for ol Bev the next time we met. 
Well one day a was rummaging around in the shop and came across that compound rest. Soon as I saw it a light went on, yes it would be the perfect extra heavy slide for my rifle rest. I went to work, got it mounted.

Spring rolls around and heres Bev at Tacoma again. I'm watching him close to get his reaction to my super heavy rest. I watched as it caught his attention. He had the most incredulous look on his face. How dare me not take his advice! He marched over to his van and dug out a rest I'd never seen. It was a auto scissor jack with a leather bag attached to the top. Bev showed it to me and vowed he would prove you didnt need a fancy rest to shoot a good score. Bev got thoroughly trounced that day. I'm glad Bev showed me the light about rests. That cross slide sure did UP my scores.  Smiley  Wonder what he did with that scissor jack? I never saw it after that.  

                                Joe.  Smiley


« Last Edit: Mar 19th, 2010 at 6:21pm by westerner »  

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joeb33050
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Re: bench rest recommendations
Reply #49 - Mar 20th, 2010 at 7:47am
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[quote author=727F716463100 link=1267717673/47#47 date=1269023537]Joe afraid we don't agree on several points.  I don't want to be augmentative but here  goes.

On distance and the effect on target.  Been shooting at distance for over 40 years and have seen a lot of competiton.  Ain't no formula that lets you calculate the effect as distance increases. 

Yes, there is. This thread piqued my interest and prompted me to start the calculations to compare group sizes at 100 and 200 yards. Without conditions we would expect 200 yard groups to be double the size of 100 yard groups. With conditions we would expect 200 yard groups to be MORE than double the size of 100 yard groups. So far te analysis shows that 5 shot 200 yard groups ~2.2 X the size of 100 yard groups; 10 shot 200 yard groups ~ 2.35 X the size of 100 yard groups. (2.2 and 2.35 are sort of the expectedd values) Dividing into 1, 1/2.2 = .46, 1/2.35 = .43. Means 100 yard 5 shot groups will be .46X 200 yard size, 10 shot 100 yard groups .43 X 200 yard size.
All other things but range being equal.
This interesting-at-least-to-me analysis shows that it is possible to have a positive result from a discussion with Republicans.
joe b.





Longer is harder due to more exposure to conditions, No way around it.

  
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Re: bench rest recommendations
Reply #50 - Mar 20th, 2010 at 8:37am
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Blindeye wrote:

The rear leg of the Hart does interfere with opening the lever; tried turning it 180degrees but will probably just shorten it 2".  I'm a little surprised no one's mentioned a 'sighter cam' for quickly moving up and down from sighter to record target versus left and right.

I think the way most people address this problem is to rotate the top just enough to get the rear lef out of the way. Dig down into the top far enough to get to the setscrew that holds the top to the threaded stem. The rest is easy.
  
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art_ruggiero
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Re: bench rest recommendations
Reply #51 - Mar 20th, 2010 at 3:58pm
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boats is correct.  most of us dont have enough time or money to be a pioneer. go to matches, see what the majority of the best shooters are using, get as much of that equipment as you can and learn to shoot with it then the variable is you   art ruggiero
  
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Re: bench rest recommendations
Reply #52 - Mar 20th, 2010 at 6:17pm
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Joe,

Hope this is taken in good humor,

I like complicated calculations, here are a few of the over 200 Slide Rules I own.  Sometimes lay one on the bench when shooting along with a compass, sling psychometer, copy of the Beaufort scale and pocket barometer.  It really gets the other guys thinking. Of course I never consult any of it only lay the instruments out as a mind game for the other guys.

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Notebook with every results of every shot my two Schuetzens have fired over 18 years and the sighter target is all I need to shoot.  No way results on target can be predicted with any certainty using calculations. Trends yes, possibilities too, but not results.  Takes holes in paper to see whats happining

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