GinSlinger
Member
So I ran the calculations. Shooting .270 out of a 1:9 at 3000fps I am supposed to be using a 1.215" long bullet. Okay, this is longer than what I am shooting right now (Winchester Power Point). Now to my question: Is there any way to find out the bullet length for various bullets without resorting to opening every brand/make and measuring? The bullet manufactures websites don't have that information. My loading manuels don't have that information. So I may be stuck measuring bullets unless one of you guys can help.
Just for double check I am using the following formula:
T=C(K/(L/C))
Where:
T=twist rate (9)
C=caliber (.277)
K=Constant (180)
L=Bullet length (solving for)
Anyone used this method? Does it work? I am at my wits end trying to find a good bullet powder combo w/o too much trial and error. I figure if I can whittle it down to two bullets and two or three powders I'll be doing well. Incidentally, I am shooting a Savage with a 22" barrel.
Thanks ever so much,
GinSlinger
Just for double check I am using the following formula:
T=C(K/(L/C))
Where:
T=twist rate (9)
C=caliber (.277)
K=Constant (180)
L=Bullet length (solving for)
Anyone used this method? Does it work? I am at my wits end trying to find a good bullet powder combo w/o too much trial and error. I figure if I can whittle it down to two bullets and two or three powders I'll be doing well. Incidentally, I am shooting a Savage with a 22" barrel.
Thanks ever so much,
GinSlinger