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 Post subject: Barrel mounted chrono
PostPosted: Thu Feb 02, 2017 2:55 pm 
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Joined: Tue Nov 01, 2016 5:59 pm
Posts: 88
Location: Dryden,Ontario
Has anyone used one of the small barrel mounted chronos.They are about half the price of a "normal" style chrono.Do they work?How accurate are they?Good deal or waste of money?Kinda broke right now and can't afford a real one.I know it has some punch to it because it will rip a big chunk out of 3/4" pine board at 35' and punch a fairly clean hole in 3/4" mahogany at 35' using 16.3 gr H&N FT.It is too cold out to set up targets and find out the trajectory and cross referance it.Anybody have a guess at how many ft/lbs I might be getting?The gun is a PAL rated NP2 in .22 cal with about .30' machined off the face of piston and seal sanded to .015' head space.Thanks


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PostPosted: Tue Feb 07, 2017 2:25 pm 
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Joined: Tue Jan 24, 2017 3:29 pm
Posts: 14
I have a combro cb-625 mk4 and I am using it as a secondary chrono.
So far it works fine but I had to allign it carefully with the muzzle and fasten it really good on the barrel (used tape instead of the rubber bands).It reads a bit lower compared to my Shooting Chrony,but I am not interested in Absolute numbers.I am more interested in the consistency of my pcp's.I am quite satisfied (especially considering it cost me one third the price of my other chronograph)!


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PostPosted: Tue Feb 07, 2017 2:28 pm 
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Joined: Wed Jan 05, 2011 12:35 pm
Posts: 6084
Location: P.G. B.C.
One of the lads at our club has one held on with velcro-tape - seems to work well.

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Best Wishes
Daryl


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PostPosted: Tue Feb 07, 2017 3:17 pm 
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Joined: Tue Nov 01, 2016 5:59 pm
Posts: 88
Location: Dryden,Ontario
Thanks for the input.I was planning on using it periodically just to see if the gun is still shooting the same.But now I have been wondering how fast things are going downrange.I will prob just wait till I can buy a better one but I could get another project for that money.LOL.


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PostPosted: Mon Feb 20, 2017 2:22 am 
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Joined: Mon Sep 03, 2007 7:56 pm
Posts: 173
Location: Sidney, BC.
I've had those before...great for a CO2 OR PCP but I don't think they will hold up on a spring or gas piston unit...KEN.


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