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Lost River Ballistics and Moly

 
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Old 04-10-2003, 01:02 AM
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Join Date: Jul 2002
Location: France
Posts: 390
Re: Lost River Ballistics and Moly

dear Cybra

the frictional coefficient in a barrel is in the neighborhood of 2% or less, so no, it isn't going to reduce friction--not nearly durable enough.

I agrre with for the 2% valu but friction in the barrel after engraving phase , pressure peak appear between primer flash ( pressure zero and when engraving start witch is close th peak pressure ) I feel that moly help easy engraving and make pressure lowe , withth same effect as you lubricate metal parts before forming in die .

I will fit strain gage on very short barrel ( just 2 inch of rifling ) by the way I will check pressure ratio curse without effect of barrel friction and give you new soon , with the same test barel I will redone the VAUGHT test to put powder moly or the powder load to check if pressure go down with a add of powder moly .

good shooing

DAN TEC
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