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Old 02-11-2004 | 04:36 PM
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PABowhntr
Boone & Crockett
 
Joined: Feb 2003
Posts: 12,157
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From: Lehigh County PA USA
Default RE: Pro Chrono or Radarchron???

Look whose talking...."Paper tune appt. at 3:00"....I thought you worked till 3:30....

If you are consistantly using that 363 grain arrow then I would expect the following.....

Starting with that 311 speed on the birth certificate...

- subtract 2-3 fps for the slightly heavier arrow weight
- add roughly 5-6 fps for the slightly heavier draw weight
- subtract 3-4 fps for the peep sight


That would bring your speed to about 308-309 fps by my usual estimates.
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