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  1. TradTalk Main Forum
    Just wondering what get the most foot/pounds of energy between 7.5's, 8's and CV9. IFL not CH's. Bowmania
  2. TradTalk Main Forum
    So today I dug out my chronograph and scales to see the speed and energy my 40# limbs with a 460grn arrow would give me. It was a bit disappointing at 165fps with 28 foot pounds of energy. Coming from compounds that’s about half the speed and energy I’m use too. Is this enough energy for deer?
  3. TradTalk Main Forum
    What is a foot/pound of energy? OK, I know the formula, but what does a foot/pound of arrow energy do? If I had a bow that delivered one (1) foot pound of energy to an arrow, would that arrow leave a mark? LOL. Would it bounce off a hay bail, would it get to a hay bail from 10 yards? And...
  4. TradTalk Main Forum
    Anyone, Formula for Stored Energy in a DfC chart. The one I have does not sound correct?
  5. TradTalk Main Forum
    Turning 50 I find myself dropping bow weight but not loosing energy thanks to todays advancements in Recurve technology. Here is a review on the newest Border Archery production Hex 8 limbs on my Covert Hunter Risers.
  6. TradTalk Main Forum
    Is Kinetic energy a good and fair representation of the release of stored energy from drawn bow limbs???
  7. TradTalk Main Forum
    Gentlefolk...I know what you're thinking... "Who's this Jinkster guy think he is speaking about anything competitive when he rarely attends big shoots?" Yet?...Here I am...sharing a thought that had me tingling with amusement the moment it passed through my stroked out brain...so if you...
  8. TradTalk Main Forum
    I keep reading that Easton recommends these ranges for hunting medium game (deer and antelope) and bigger game (pigs, elk and black bear): 25-41 foot pounds for deer and antelope 42-65 foot pounds for pigs, elk and black bear Shooting a recurve (or longbow) , I will never get close to the 42...
  9. TradTalk Main Forum
    Anyway, I have been geeking out about the “physics” of bows and have been really interested in the advancements in materials and design. With that, I have been considering the concept of how different bow designs store different amounts of energy (at the same rated draw weight). There are plenty...
  10. TradTalk Main Forum
    Lets take two bows. Bow A: SE/PDF of [email protected]" at 28" 50lbs would store 40ft/lbs of energy Bow B: SE/PDF of [email protected]" at 28" 36.5lbs would store 40ft/lbs of energy both these bows store the same energy. what consiquences can you forsee with this situation? Lets start with the the comon idea...
  11. TradTalk Main Forum
    Cause what archer doesn't?...and I'd like to start this out by extending a HUGE THANKS to member JParanee...(and brace yourself Joe because I'm going to be gut level honest right up in the front end here)...as you see folks?...I think it was just a few months back that Joe was exalting the...
  12. TradTalk Main Forum
    I think I am becoming addicted to the gym. I just started 2-a-days, working out in the morning, and after work; and these are long, hard, workouts (e.g. 2,100 jump rope skips just for warm-ups today). I am hoping that all this work will help my archery (and not kill me). I started the morning...
  13. TradTalk Main Forum
    After the thread about how poundage effects hold time, it thought it would be fun to think about stored energy vs hold time... do you think a high energy bow will effect hold times? And example of the two extremes would be: a right angle triangle vs a square DFC. both bows have an 8" brace...
  14. TradTalk Main Forum
    Today, I got access to a set of 42 pound short Uukha limbs to test. They were mounted on a 25 inch SF Forged riser, giving a 25 inch bow. I also tested a set of high end 45 pound short Win Win Apex limbs mounted on a 25 inch Win Win Inno CXT riser. I will show draw force, store energy and...
  15. TradTalk Main Forum
    Smoothness is felt on a bow by how level the line is on the DFC at your draw length. Steep is not good if you like smooth. Basically its pounds gained per inch. Energy in a bow is also declared in a DFC by the amount of area under it. So for example if you go for 1lbs in the first inch, 2lbs...
  16. Hunting Camp
    I did a search on Kinetic Energy, and ran across a recommended KE for specific size animals. Small- 25 ft. lb. Med- 26-41 ft. lb. (deer) Large- 42-65 ft. lb. (elk, bear. boar) Dangerous- 65 ft. lb. + (Cape, Grizz) If my calculations are correct then we could not hunt anything out of the Med...
  17. TradTalk Main Forum
    So I finally had a chance to do some testing with my new ACS. She is 64" - 51#@30.5".....I shoot with a glove and three fingers under (which doesn't mean much). FootPounds Speed Weight Foot Pounds 196 440 37.54 189 508 40.30 183 532 39.57 What I am...
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