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Have you shot your Chrony
Poll ended at Thu Nov 14, 2013 8:41 pm
Yes 46%  46%  [ 13 ]
No 54%  54%  [ 15 ]
Total votes : 28
Author Message
PostPosted: Tue Nov 12, 2013 10:59 am 

Joined: Wed Jan 05, 2011 12:35 pm
Posts: 6804
Location: P.G. B.C.
I have never shot my el-cheapo Chrony's screens (Gamma Master), but I did put a 100gr. Nosler Partition at 3,482fps through both screens of my Oehler M12 in 1978 - then a 550gr. .50 cal. Cast bullet at 1,435fps through both screens of my PACT timer in about 1987. In both instances, the results were similar - calibre hole through the front sky-screen and the rest merely pieces! The chronographs I noted have separate screens, with 4 foot spacing.

Best Wishes

PostPosted: Tue Nov 12, 2013 12:41 pm 
User avatar

Joined: Mon Feb 11, 2013 12:46 am
Posts: 4389
Edmonton<500 wrote:
Whether or not he knows it, a new air gun buddy I met here taught me a lot without even going through a tutorial process. I'm glad I caught on, because I was shooting through a crony for the first time -- his crony!

Point one: Neve have a target when shooting for fps readings. Have a safe zone in front of your chrony (e.g., the ground, a capable backstop such as a trap a few feet in front of the chrony, or nothing, if you have wide open spaces in front of you.

Point two: Find your chrony "sweet spot," and mark it on the front of the chrony.

Point Three: Don't shoot through your chrony at any more distance than is required to avoid the influence of muzzle blast on the readings. Typically 3-5 feet is sufficient, unless you're testing a "cannon."

Point Four: anchor you gun; this is not a skill test, it's a velocity test with $250 worth of equipment in your line of fire.

Point Five: sight your shot using a visual sightline along the side of the barrel, not through a scope or sights, especially if they are on a riser.

That's all I got, and I haven't hit my own Chrony yet, either.


very good points Ed :wink:
I say three feet is more than sufficient for any airgun. 8)

"A candle loses nothing by lighting another candle"


PostPosted: Tue Nov 12, 2013 1:07 pm 
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Joined: Thu Oct 04, 2012 10:27 am
Posts: 1118
Location: Thunder Bay,On.
Twice...but it survived both times...hit the rear metal case.

The cave you fear to enter....holds the treasure you seek

PostPosted: Wed Nov 13, 2013 6:35 am 

Joined: Wed May 02, 2012 9:47 am
Posts: 92
Location: Denmark
Yes, but not the chrony, hit the sunshade wanting to stay clear of the chrony... :oops: Took out both in one shot.... :roll:

Weihrauch HW100 T .22
Hatsan 150TH .22
Rohm Twinmaster Competitor

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