New "cheap" T/C Rifle
01-20-2010, 07:10 PM
#51
Nontypical Buck
Join Date: Jan 2009
Location: Northern Chautauqua Co. N.Y.
Posts: 2,976
Originally Posted by lemoyne
Did you notice in the manual that some of the sabot loads go up to 400 gr? What would you need a 400gr bullet for Griz or buffalo?
(BP)
01-20-2010, 07:18 PM
#52
Banned
Join Date: Dec 2008
Location: Boncarbo,Colorado
Posts: 9,186
you'd be surprised BP. Buffalo are big and dumb looking but there are tons of stories from mountain men, almost being run down while on horse back. I think they said they can run up to 30mph over short distances.
01-20-2010, 07:24 PM
#53
Nontypical Buck
Join Date: Jan 2009
Location: Northern Chautauqua Co. N.Y.
Posts: 2,976
Originally Posted by MountainDevil54
you'd be surprised BP. Buffalo are big and dumb looking but there are tons of stories from mountain men, almost being run down while on horse back. I think they said they can run up to 30mph over short distances.
(BP)
01-21-2010, 07:40 AM
#54
Giant Nontypical
Join Date: Nov 2005
Posts: 6,585
A 400 gr bullet with 150 gr of Pyrodex, for one thing I would bet on a wack in the forhead with the scopes a lot of people use for I do not even want to think about the foot pounds of recoil. I would like to have a double transducer Texas strain gage with a logiteck read out on it. Pressure has to be up.
I calculated that a 400gr bullet needs a 1-30 twist to shoot its best [thats in a 45 caiber bullet] which means that it is not over length for a 1-28 twist and with the right velocity and barrel vibration could be accurate.
What appears to be possible velocity is according to the manual 150gr RS = 1800 FPS my estimation with BH would be 1900. I would want to do some pressure testing before I tried it.
muzzle= 1900 FPS 3200 FPE [Foot pound enegry]
100yds= 1720FPS 2630 FPE
200yds= 1555FPS 2147 FPE
Muzzle= 1800 FPS 2870 FPE
100yds=1630 FPS 2360 FPE
200yds=1472 FPS 1925 FPE
For comparison a .458 win. mag has 2350 FPS with 400gr bullet and 5075 FPE at the muzzle.
Kill at one end cripple at the other? Lee
I calculated that a 400gr bullet needs a 1-30 twist to shoot its best [thats in a 45 caiber bullet] which means that it is not over length for a 1-28 twist and with the right velocity and barrel vibration could be accurate.
What appears to be possible velocity is according to the manual 150gr RS = 1800 FPS my estimation with BH would be 1900. I would want to do some pressure testing before I tried it.
muzzle= 1900 FPS 3200 FPE [Foot pound enegry]
100yds= 1720FPS 2630 FPE
200yds= 1555FPS 2147 FPE
Muzzle= 1800 FPS 2870 FPE
100yds=1630 FPS 2360 FPE
200yds=1472 FPS 1925 FPE
For comparison a .458 win. mag has 2350 FPS with 400gr bullet and 5075 FPE at the muzzle.
Kill at one end cripple at the other? Lee
