08 February 2005, 15:55
Karl577 nitro pressure
Guys, when one speaks of the 577 having a pressure of 14 tons for the famed 750 @ 2050fps anyone know what the nominal barrel length is for this?
Obviously a 28" compared to a 23" is going to have some difference.
Also is there a standard length in double rifles?
Karl.
08 February 2005, 17:24
GanyanaStandard for a 26" barrel I believe. Shortening the barrel will not affect pressure- only velocity.
08 February 2005, 17:34
KarlThat's what I meant, to get the 2050fps figure.
Thanks ganyana.
Karl.
08 February 2005, 19:57
new_guyThose would be British Long Tons also (2240)...
09 February 2005, 09:46
Lar45FWIW from quickload. max pressure, 35534 psi
577 NE 3", 750gn Woodleigh.
28"bbl 113gns RL15, 2056fps 35,513psi
24"bbl 1988fps.
23" bbl, 118gns RL15, 2050fps 39,923 psi