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Old December 3, 2009, 12:33 PM   #1
wyobohunter
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black powder through chronograph?

Anybody ever fire thier BP rifle/s through a chrony? I'm especially interested in data for .50 vs .54 caliber. I'd also like to see details (bbl length, flint or cap lock, powder type and charge, projectile type and weight). Thanks
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Old December 3, 2009, 02:42 PM   #2
kwhi43
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I did my .45 Flintlock. It has a 30 inch barrel and 90 grs Goex FF and a .454
round ball with a .022 thick Teflon patch which is my target load, showed
2000 fps. 80 grs went 1925.
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Old December 3, 2009, 04:47 PM   #3
mykeal
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I suggest getting a copy of Lyman's Black Powder Handbook; it contains a great deal of such information.
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Old December 3, 2009, 10:33 PM   #4
fastforty
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Yeah, I did it, once. .32 & .50 rifle, .36 & .44 pistol (got the data around here somewhere), all was round balls from minimum to maximum loads, except several types/weights of bullets in the .50 caliber rifle. I still can't get the sticky crud off of my chronograph
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Old December 4, 2009, 09:55 AM   #5
Noz
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If you try it you must move the chrony down range a bit. The smoke and debris from a black powder round will give erroneous readings. In addition, as stated above, making a mess of your chrony.
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Old December 6, 2009, 09:09 PM   #6
B.L.E.
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Even with smokeless powders, the chrony will give you false readings if it is too close to the muzzle. even a person shooting next to you will make the chrony read something if it is too close.
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Old December 6, 2009, 10:52 PM   #7
Mark whiz
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I Chrono'd both my muzzleloading rifle and cap & ball revolver with no problem. I have a Shooting Chrony Beta and when I used it for black powder, I placed a piece of cardboard in front of the device's body, so the only thing exposed was the rods.... and they cleaned up just fine afterwards with a little hot soap & water and elbow grease.
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Old December 7, 2009, 03:56 PM   #8
Noz
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What did you do about the dent?
Mine has a big dent just in front of the rear window. Still works
Something about shooting a Magnum Pistol(in my case, 41 Mag) with full house loads and a scope that does bad things to Chronys.
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Old December 15, 2009, 09:12 AM   #9
magnumwideglide
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54 Renegade with 120 gr Pyrodex, 240 gr bullet in sabot 1875 fps. 50 cal Hawken with 100gr Pyro with 240 gr Hornady XTP 1750.
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