Tophat adjustment on CO2 adapter?
Still Sunday, still goofing off… 😉
Is there any benefit to be gained by tweaking the tophat adjustment on the CO2 adapter?
If so, what’s optimal?
(special note, I don’t have a chrony, but I do have a caliper… so if there’s a tweak, it has to be slam-dunk bang-on, with FPS being assumed)
Gracias!
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Yer welcome, good luck.
BTW, my CO2 adapter was just the ticket with my ‘wevo tank’. This is a small HPA tank and 850 psi regulator that ends in a Paintball fitting that matches the AF unit. I got a pile of very accurate shots at 12 fpe.
Hey, I love the Eveready logo. Nine lives indeed.
Doug Owen
Thanks Doug, much appreciated.
No advantage I found. Mine shoots 12 fpe with the 12 inch .22 barrel no matter how high it’s set. I moved mine out as far as it could go and still close the bolt to no avail.
Likewise, advancing the ‘power wheel’ to big numbers didn’t up the MV either.
Doug Owen
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For a Talon SS 12″ barrel, 12 foot pounds (in .20 or .22) is about it for co2. past a certain point, the power wheel just squirts out more gas but not more power (makes it a bit louder, but no faster). Adjusting the top hat all the way out until the bolt will barely close just makes that happen at a lower spring tension number.
Reducing the hammer weight would make max. vel. happen at a higher spring tension number, and does give a bit better LOW end, but it’s not worth the doing for co2.
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As you don’t have a chronograph, will have to rely on penetration in a uniform material for setting the spring tension. Wood varies too much in grain structure from one point on the board to another to be real reliable, but givien a uniform grain and soft wood, it would “ball park” it for you.