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rate of twist question ?

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Post by Hughie Mon Jan 24, 2011 9:04 pm

Could any one tell me what the old mauser ww2 guns rate of twist is I have an 8mm M48 yugo would like to know what the rate of twist is on it?
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Post by Daywalker Mon Jan 24, 2011 9:26 pm

out Spuds vid on determining twist rate of your rifles. This way you can check it and really be sure of it...

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Post by Mohunter Mon Jan 24, 2011 9:29 pm

Hughie.....if it's not here you will have to check it manually.
Link--> http://www.exteriorballistics.com/reference/pdf/Twist%20Tables_Rifle.pdf

You can use a cleaning rod with a brass brush and just start it into the barrel and put a piece of tape on it at the start of the barrel or put a mark on the cleaning rod with a black sharpie both works fine. Also put a mark on the back end of the rod where you can see it as it turns.
Then run the rod down into the barrel slowly letting the cleaning rod twist until it makes one complete turn, then put another mark on the cleaning rod at the barrel where it stops. Now pull it back out and take a tape measure and measure in between the first mark and the last one you put on the rod where it stopped at the barrel end.
That measurement is your twist rate........example 10" for one complete turn would be a 1:10 twist.
1 turn in 10 inches.

Hope that makes sense. It's easier to show someone than it is to explain it while typing, but it's really simple to do. I'm sure somebody else could explain it better.
I bet Dartfreak has done it? Ask him to help you with it.


**Nevermind** I see that Daywalker posted a video on it. That's even easier than explaining it. Wink
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Post by Hughie Mon Jan 24, 2011 9:55 pm

ok thanks a bunch Yes this really helps Very Happy
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Post by dartfreak75 Mon Jan 24, 2011 11:01 pm

according to wikipedia it should be around 1:9.45
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Post by Hughie Wed Jan 26, 2011 6:30 pm

used spuds method on the video and got 1 turn in 11 thanks.
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Post by Daywalker Wed Jan 26, 2011 8:06 pm

Sweet!! Glad it helped...
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Post by Mohunter Wed Jan 26, 2011 9:56 pm

1:11 is kinda odd? I don't think I've ever ran across that one before.
1:10...1:12....and 1:9 but never 1:11
Must have something to do with the age of the rifle?
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Post by dartfreak75 Thu Jan 27, 2011 9:25 pm

i was reading on them and most of them was odd ball numbers like 1-9.45 and 1-10.45
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Post by Reload3006 Thu Jan 27, 2011 10:31 pm

LOL they're odd ball numbers because they are metric
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Post by Hughie Fri Jan 28, 2011 4:21 am

metric?? Nerver thought of that good point it is a German spec rifle made in 1948 like new inside that barrel. I load 175gr ser and reduced load of varget. It will make a white tail do a cart wheel . Smile
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