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Author Topic: Wood deflection equivalent  (Read 353 times)

Offline Sharpend60

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Wood deflection equivalent
« on: June 08, 2013, 10:42:00 AM »
What is a .340 in the wood arra scale?
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Offline moebow

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Re: Wood deflection equivalent
« Reply #1 on: June 08, 2013, 10:57:00 AM »
Interesting question.  I just put a carbon 340 on my wood spine meter.  Got: .225 deflection for about 115# spine rating.

Pretty stiff.

Arne
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Offline Jon Powell

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Re: Wood deflection equivalent
« Reply #2 on: June 08, 2013, 10:57:00 AM »
sorry, misunderstood the question.
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Offline SELFBOW19953

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Re: Wood deflection equivalent
« Reply #3 on: June 08, 2013, 12:42:00 PM »
From the wood charts, .340 deflection should be between 76 and 77# spine.
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SELFBOW19953
USAF Retired (1971-1991)
"Somehow, I feel that arrows made of wood are more in keeping with the spirit of old-time archery and require more of the archer himself than a more modern arrow."  Howard Hill from "Hunting The Hard Way"

Offline moebow

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Re: Wood deflection equivalent
« Reply #4 on: June 08, 2013, 02:44:00 PM »
Self bow is right if you are  talking the wood spine chart.  I thought he was asking about the difference between the carbon chart ATSM and the wood chart AMO.

Clarify your question.   But guess you have both answers now.

Arne
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11 H Hill bows
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USA Archery, Level 4 NTS Coach

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Offline JRY309

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Re: Wood deflection equivalent
« Reply #5 on: June 08, 2013, 04:56:00 PM »
For me I find you can't compare a carbon spine to a wood spine,carbons recover and react much different then other arrow materials.
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Offline Fletcher

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Re: Wood deflection equivalent
« Reply #6 on: June 08, 2013, 06:08:00 PM »
A wood shaft that deflects .340 with 2 lb on 26" centers is a 76.5 lb spine.
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Offline Sharpend60

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Re: Wood deflection equivalent
« Reply #7 on: June 08, 2013, 06:37:00 PM »
Thanks guys.
My gold tips a barely stiff enough at my draw. Was considering wood, just looking for a good place to start.
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