Velocity Screwed
Printed From: Tippmann Paintball
Category: Paintball Equipment
Forum Name: Gun Maintenace and Repair
Forum Description: Important info for keeping your marker in top shape
URL: http://www.tippmannsports.com/forum/wwf77a/forum_posts.asp?TID=191476
Printed Date: 30 April 2024 at 5:56pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Velocity Screwed
Posted By: TrUbY xD
Subject: Velocity Screwed
Date Posted: 28 October 2013 at 7:05am
Hi guys, I have a tippmann sierra one, with a few mods.
One of the mods was a new aluminium power tube.
Recently I when went paintballing and had to adjust my velocity.
Being a bit heavy handed I fully unscrewed the velocity screw, and cross threaded it trying to put it back in...
Once I'd returned home I replaced the screw with one out of my spares box (which I think may be the 98 parts).
It took a few attempts to re thread the screw and was a bit longer than the original.
I took it to my local paintball place and it was shooting at 350 - 370 fps.
I tried adjusting the velocity but nothing happened.
Any ideas ???
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Replies:
Posted By: tallen702
Date Posted: 30 October 2013 at 1:33pm
What type of air system are you using? CO2 or HPA? If CO2, what's the temperature where you're playing like?
One option if it continues to chrono high is to clip the main spring (a coil or two at a time) and then try again. Velocity in the Sierra One is determined by two factors, flow interruption (the velocity screw) and dwell (how long the valve stays open). If adjusting one doesn't fix it, adjusting the other will.
To clip the spring, turn your velocity screw all the way out and clip a coil or two, re-install the spring and chrono. Continue to do this until the chrono speed gets down to around 310FPS with the screw backed out to its limit (but not removed) You should then be able to use the velocity screw to fine tune the velocity down to a safer level.
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<Removed overly wide sig. Tsk, you know better.>
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Posted By: TrUbY xD
Date Posted: 31 October 2013 at 4:38am
Sweet ill give it a go!
Cheers
CO2 btw
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TrUbY xD
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