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Did DC hit 200 fps @ 10GPP after all??

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bradsmith2010:
I think I remember he did,  but wanted someone else to confirm it,, thats all I recall,,

willie:

--- Quote from: simk on December 05, 2022, 03:18:40 am --- And yes, lower drawweights clearly allow better results on wooden bows.

--- End quote ---

nice bows simk. 
the bows in the pic seem to indicate you really dont need much special in way of recurving when just a little flipping of the tips will do.

on lower weights vs higher weights:
given many speed breaking bows are often 67-68" long and tend to draw 28' or so...
is there something about these proportions along with the typical density of wood that makes the lower weights perform better? a sweet spot so to speak?

or stated another way. if you were to design a 60# bow to shoot just as fast, and made of the same materials, would the dimensions and draw length need to be proportioned different?

bradsmith2010:
I think there might be some in the proportions that would need to be different , I am just guessing..

Badger:
      I have the DC bow in my possession. I need to ship it back to him. But yes his bow did settle in at 200 fps. He was very careful about the testing and used a shooting machine. The bow appeared to be a Mark St Louis design. DC made several and he was struggling to get a bow that didn't take set. That is where they loose all the speed. I believe this bow is 41 or 42# if I remember right. I have never had a bow settle in at 200 fps. I have had a few in the 190's but not self bows. I think 186 was my best ever self bow.
   
     Several years ago I did an experiment where I wanted to see how fast a completely fresh bow would be. I tillered the bow out to 23" and never drew it past there until the test. I extrapolated the full draw weight so it could have been slightly off. Anyway. On the very first shot, it hit 215, the second shot about 211 and then 203 and it kept going down all the way to 157 and it had lost a lot of weight. I reweighed it and adjusted my arrow weight and it had settled in at about 176 I think. This was an osage super recurve with about 12" of backset. I think it ended up with 4". of backset. I had extra wide inner limbs and only had a very small portion of the limbs bending. I built 2 of them. One of them did get a world record in womens flight but nothing to get excited about. If I get time I will retest the DC bow before I send it back to him.

bradsmith2010:
wow cool thanks so much for the info

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