Cleaning solvents

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Re: Cleaning solvents

Post by SCJ429 » 28 Dec 2018, 4:37 pm

You need to try a pea sized patch on you jag, runs through the bore with no resistance, stick a handkerchief sized patch and it gets stuck. Somewhere in between is the perfect sized patch. The bunching around the sides of the jag causes the friction.
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Re: Cleaning solvents

Post by Zappa » 28 Dec 2018, 4:44 pm

Lol. I understand the physics behind that.
However the most optimum cleaning methodology in the bore , would be to have the patch contact the whole area across the jag head which translates to the most contact area in the bore when you push the rod through.

Bunching up the patch creating mini pleats across the circumference of the jag seems less than optimal .
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Re: Cleaning solvents

Post by bladeracer » 28 Dec 2018, 5:11 pm

SCJ429 wrote:I also like to cut my own patches from scrap material. I can adjust the size of the patch to suit the bore size. I see guys bashing overly tight patches down their barrel when using pre cut patches. If I find my first patch too loose I cut the next one a bit bigger until I get it right.


I use pre-cut patches as well as cutting my own from "two-by-four" to suit specific jobs.
But I double- or triple-fold the patches rather than just cut bigger ones.
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Re: Cleaning solvents

Post by bladeracer » 28 Dec 2018, 5:16 pm

Zappa wrote:Lol. I understand the physics behind that.
However the most optimum cleaning methodology in the bore , would be to have the patch contact the whole area across the jag head which translates to the most contact area in the bore when you push the rod through.

Bunching up the patch creating mini pleats across the circumference of the jag seems less than optimal .


I doubt it actually makes a difference, the contact area of the bore is governed by the bore diameter. The front part of the patch is doing the work, the rest is just along for the ride really. If you get too much friction with a single patch thickness there's a chance of punching the jag through the material, that's why I prefer to fold a smaller patch.
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Re: Cleaning solvents

Post by Zappa » 28 Dec 2018, 6:16 pm

My line of work in engineering has me questioning designs for various tools.

https://patents.google.com/patent/US20110107646

Summary of invention where it describes the fins and gaps of the patented jag.
Interesting read.
Next time you start cutting into your bonds, try covering the jag as.much as possible without bunching. Done right, you'll get a better cleaning experience without very.little friction increase. Works for me :thumbsup:
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Re: Cleaning solvents

Post by sungazer » 28 Dec 2018, 10:55 pm

Yes look up and use the Parker Hale style jag a much better proposition when it comes to cleaning.
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Re: Cleaning solvents

Post by JimTom » 29 Dec 2018, 8:05 am

sungazer wrote:Yes look up and use the Parker Hale style jag a much better proposition when it comes to cleaning.


My old bloke used the Parker Hale system for cleaning and swears by it. It does take a bit longer to wrap the jag compared to a patch on a normal jag. I reckon it would do a better job, nevertheless I haven’t had any prob with the normal jags, and barrel always seem to be clean.
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Re: Cleaning solvents

Post by bladeracer » 29 Dec 2018, 3:01 pm

sungazer wrote:Yes look up and use the Parker Hale style jag a much better proposition when it comes to cleaning.


This is my preferred method with a jag. If I need to use a brush I also wrap it with a patch so it carries the crud out.
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