Artemis M11

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JayDee24ca

Post subject: Artemis M11

Posted: Sat May 20, 2023 7:50 pm

Joined: Thu Aug 05, 2021 5:36 pm
Posts: 130
Location: Boundary Country BC

I took the M11 off the rack today and shot a few pellets with it, and noticed that there seems to be a very brief discharge of air that can be heard immediately after the pellet is gone. Is this a case of too weak a valve spring? It sounds almost as though the poppet is not closing the exhaust fast enough.
JD

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Atlas_cn

Post subject: Re: Artemis M11

Posted: Sat May 20, 2023 10:24 pm

Joined: Thu Feb 10, 2022 12:29 pm
Posts: 200
Location: Ontario

How is regulator setting and do you check with chrony?

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Ravenairgun

Post subject: Re: Artemis M11

Posted: Sun May 21, 2023 6:17 am

Joined: Mon May 06, 2019 4:07 pm
Posts: 643

if you left it full of air its normal its like first shot drop off should be fine after that just air thats been in the regulator to long

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JayDee24ca

Post subject: Re: Artemis M11

Posted: Sun May 21, 2023 1:52 pm

Joined: Thu Aug 05, 2021 5:36 pm
Posts: 130
Location: Boundary Country BC

I have the aftermarket regulator in it, set in the middle of the range. I realize now it may be the hammer spring adjustment, which I screwed in a few months ago, and forgot. I will turn it out and see if it makes a difference. And yes, I should fire a few across the chrony to see what is happening too.

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grantmac

Post subject: Re: Artemis M11

Posted: Sun May 21, 2023 7:43 pm

Joined: Sat Apr 19, 2008 8:34 pm
Posts: 393
Location: 'round the corner from "the museum"

Too much hammer spring for the regulator pressure you're running.

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JayDee24ca

Post subject: Re: Artemis M11

Posted: Sun May 21, 2023 8:39 pm

Joined: Thu Aug 05, 2021 5:36 pm
Posts: 130
Location: Boundary Country BC

Much better after turning down the hammer spring adjustment. Thanks all.

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