View Single Post
Por_sha911 Por_sha911 is online now
Make Bruins Great Again
 
Por_sha911's Avatar
 
Join Date: Dec 2003
Location: TN
Posts: 21,360
Garage
Quote:
Originally Posted by john70t View Post
I'm guessing it's a mix of regular powder plus a bit of new powder on steroids as a secondary reaction. Someone mentioned old powder can be unstable and explode the barrel: that it expands too quickly. Perhaps a new chemistry found a way to stabilize it or a faster-acting oxidator is used.
Quote:
Originally Posted by flatbutt View Post
Apparently bullet shape plays a large part in this but that's an incredible increase. I wonder what chamber pressure is?
Agree with flatbutt - if they are using terms correctly, the 'bullet' it the thingy that comes out of the barrel. Powder mix may have something to do with it but the article specifically says bullet design (listed as "freedom seed" in the pic below):
Quote:
According to the team, the key for their P-51 is in the innovative design of the slug itself
__________________
--------------------------------------
Joe
See Porsche run. Run, Porsche, Run: `87 911 Carrera
Old 11-07-2021, 09:26 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #13 (permalink)