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Parachute Effect

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Parachute Effect

Postby LBR » Wed Aug 17, 2011 8:02 am

I've seen video of this, but don't remember where. Anyone got a link?

Chad
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Re: Parachute Effect

Postby Bender » Wed Aug 17, 2011 9:15 pm

Just tried a search. Nothing. That would be a good vid to save if anybody can find it.
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Re: Parachute Effect

Postby LBR » Wed Aug 17, 2011 11:57 pm

Yeah--it's bugging the snot out of me. I've got Ray at BCY working on it right now. I know I've seen it, heard some top shots talking about it.

Chad
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Re: Parachute Effect

Postby daohead » Thu Aug 18, 2011 7:22 am

By "Parchute Effect" do you mean drag on an arrow cause by helical fletching?
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Re: Parachute Effect

Postby LBR » Thu Aug 18, 2011 8:50 am

It's when an untwisted (endless) string flares out at release, like a parachute. Slows it down, adds noise. Can only be seen with high-speed video.
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Re: Parachute Effect

Postby rwsbow » Thu Aug 18, 2011 9:35 am

Might want to also check under "ballooning" effect....
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Re: Parachute Effect

Postby BK in TEXAS » Thu Aug 18, 2011 11:55 am

LBR wrote:It's when an untwisted (endless) string flares out at release, like a parachute. Slows it down, adds noise.

Huh.........I'll take "Things I didn't know for a $1000, Alex" :?
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Re: Parachute Effect

Postby whump » Thu Aug 18, 2011 8:26 pm

Whump Sez; I have seen that on slomo before but I think I have only made 2 strings in my day that didn't require twisting. I was a b5o fan for years on Hill bows so I always made my strings about 15 or 16 strands and held them as close to length as possible. After the stretching was over I twisted them up to proper brace and that was that, I did however make one too short one time and I shot it without twists for several years.[ Enter Fast flight] I made a 16 strand string out of fast flight using the same line of thinking and wound up with a string with one twist in it. Personally I think the arrow is on its way before the ballooning and seperating goes on but I can't remember since I saw that vid several years ago. Besides my Hill bow shoots so slow It would be hard to determine if a ballooning string was hurting the situation, I do however shoot 675- 700gns from the 60 lb Hill bow so arrows are not screaming off the string anyway. Hunt safe.
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Re: Parachute Effect

Postby Gino Bruno » Fri Aug 19, 2011 10:11 pm

i thought viper said that twisting the string screws things up. :D ;)
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Re: Parachute Effect

Postby LBR » Sat Aug 20, 2011 8:13 pm

Well, I've talked to a few people that know the video I'm talking about, but nobody can remember where they saw it. Oh well...no big deal. At least I know if I just dreamed about it, several others had the same dream.

Chad
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