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design

  1. TradTalk Main Forum
    Hello All, I'm fairly desperately asking for advice, and for help, with a problem that I'm dealing with over here in the UK. I have been a long term user of this forum for advice and knowledge, so please forgive if this appears like an opportunistic first post. I'm posting this request, in an...
  2. TradTalk Main Forum
    This came up in my newsfeed: https://scitechdaily.com/the-physics-behind-optimal-archery-feather-design/ It was just presented, so interested to hear what the final conclusions are. I suspect it won't be much different to what the The Trad Lab came up with. "Currently, the choice of the...
  3. Bow Projects
    Hi Everyone. Needing some expert advice! I am new here. Just signed up to ask a few questions about bow design. I am working on a new traditional style takedown bow design for a patent I own and wanted to get some input from as many people as I can. I am by no means a bow design expert and...
  4. TradTalk Main Forum
    I am just getting into ILF\DAS. I have some great risers and like trying different limbs. I have asked questions and received very detailed technical answered, which I appreciate. It appears that there are valid technical concerns when selecting limbs and riser combinations. Is there a good...
  5. TradTalk Main Forum
    I just found this article titled Fundamentals of the Design of Olympic Recurve Bows by D.K. Lieu at the University of California, Berkeley published in 2012. http://archery.berkeley.edu/wp-content/uploads/2011/08/Fundamentals-of-the-Design-of-Olympic-Recurve-Bows.pdf It provides a good...
  6. TradTalk Main Forum
    Hello everyone. I have another question for you. I'm new to the traditional scene so I'm trying to learn more about the sport. I see in magazine's and on the internet a ton of different riser design's on both longbows and recurve bows. Is there a reason other then personal choice when it...
  7. TradTalk Main Forum
    Through tuning arrows to more than a dozen bows, the one thing thing I can't understand is how 2 different bows tuned so bare shafts fly well can have such a different vertical impact. It does seem that the closer the arrow sits to my hand (bows shot off the shelf) the lesser my gaps are at say...
  8. TradTalk Main Forum
    There are 2 ways to make any bow faster, store more energy or deliver more of the energy you already have to the arrow with a higher efficiency. Efficiency is expressed as a percentage of the energy imparted to the arrow vs the stored energy (KE). While efficiency can be important when the...
  9. Watering Hole
    Kind of like this:sbrug: Add a set of Micarta handles and a kydex sheath. "D-2 will through sparks from a piece of flint, D-2 is a high carbon tool steel"
  10. TradTalk Main Forum
    LOL, I was thinking, why could you not make slight angled shims to go between the riser and limbs allowing you to tighten the limbs down. This would be quiter than ILF. You could have a shim kit with every bow and use the appropriate shims for the tiller you want. It could be made of hard...
  11. TradTalk Main Forum
    I remember MartinO doing a thread about his progressive plunger which was a clever solution to changing crawls and the changing spine due to different crawls. I was just thinking of an ILF attachment that's spring loaded, meaning as the crawls change the loading on the limb always stays...
  12. Bow Projects
    Hi all, this is my first build that I did about 1 year ago now. 44# 64" long 21" limbs I did a lot of research on bow building, tiller and bow design before I started this project and decided to build this bow with the arrow shooting from center with the picot point below based (correctly or...
  13. TradTalk Main Forum
    You guys are probably about tired of all my questions. I do appreciate you sharing your expertice. I have my wife's blessing. I am ready to buy but I am still researching the perfect set up for me. I don't mind the cost. I have all my modern wheel toys to sell to recoupe the expense. But for me...
  14. TradTalk Main Forum
    Trying to figure this out in my head. All else equal, 2 risers one is deflexed and one reflexed (or less deflexed). Would the limb pad angles be the same? Should they be for the same set of limbs to shoot properly on each? How does the riser r/d affect the brace height with these 2 risers if...
  15. TradTalk Main Forum
    Finished up my large size template for the split finger tabs today. Had to give it a test run, and this is the result. It needs a little tweaking, but overall I am happy with it. The open holes you see are for mounting a finger spacer, which I haven't decided on what to use yet. Rick
  16. TradTalk Main Forum
    I'm looking at making some tweaks to the barebow riser that I made. I would like the riser to sit a little more vertical after the shot without a bunch of added weight. The riser was designed with the the radius of the grip as the center of the riser. I did not have a grip at the time so I...
  17. TradTalk Main Forum
    This is a carpet target that I made today. Works very well so far- I just hope it will stand up. I'm sure many people have made such targets out there but I could not find any good instruction/photos. Shot it a few times and it seems like it will do the trick. Yell at me if you have any...
  18. TradTalk Main Forum
    I'm looking for opinions and ideas about this design. I'm trying to build an ILF riser that will give me alittle better performance than the first one I built. The riser in the picture is the first one I build. Both risers will be 18" long. I'm changing the limb pockets from 18* to 14* to pre...
  19. TradTalk Main Forum
    A couple years ago I built a wood ILF riser, it is 19" with 18 deg. limb pockets and the grip is set forward 1". I put KAP Carbon Med. limbs on it. D97 string, brace ht. 8", 40# at my 27" draw. shooting 400gr. carbon arrows it chronoed 146 ft/sec. I'm wanting to build a new riser, looking for...
  20. TradTalk Main Forum
    The one thing you never see listed is the location of the grip relative to the center of the bow vertically. I have 2 risers, one the center of the grip (where you measure brace) is in the middle (center) of the bow vertically, the other riser the grip is below the center and the shelf above...
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