tank mechanic
Member
What is the fastest speed a bullet can achieve with the use of black powder as a propellant?
Powder Type Bullet Bullet weight Velocity Accuracy"@100
50 Grs Hornady SST (Target) 300 Grs 1268 fps .250@50 yds
100 Grs Parker Ballistic Xtrm 275 Grs 1876 fps .746
150 Grs Barnes SBT 285 Grs 2153 fps .777
150 Grs Hornady SST 300 Grs 2116 fps .724
200 Grs Powerbelt Platinum 270 Grs 2397 fps .645
200 Grs Parker Ballistic Xtrm 275 Grs 2326 fps .627
200 Grs Barnes SBT 285 Grs 2157 fps .692
200 Grs Hornady SST 300 Grs 2262 fps .636
200 Grs Powerbelt Platinum 338 Grs 2177 fps .726
200 Grs Parker Hydra-Con 440 Grs 2035 fps .814
http://www.ultimatefirearms.com/pdfs/article_precisionshooting.pdf
First, the speed of sound in a given gas is largely a function of temperature, pressure has very little effect.