Hi, DC:
Actually I don't think we're very far apart, and I hope I didn't imply otherwise. I ran some numbers into a spreadsheet, just to see what pops up and I did get one surprise. If I use a 180 grain round nose bullet in the .30-06 (which I don't), and use a muzzle velocity of 2600 fps instead of the standard 2700 fps, the .35 Remington equals, for all practical purposes, the .30-06 with the Taylor formula! The fact is, my .30-06 doesn't make 2700 fps until I'm over book loads, but my .35 Remington does make 2080 fps within book loads.
I did the numbers on another pair as well. A friend knocked out a pronghorn at 600 yards with a .243 (why?), but it got up when he drove up to it and he had to shoot it again. The first bullet hit it at the base of the horn and didn't penetrate to the base of the bullet. That's what he told me, I didn't see it myself. On the other hand, the old buffalo hunters liked to set up at 300 yards so they won't spook the rest of the herd after a couple of shots. Now a .243 and a .50-90 Sharps have about equal muzzle energy, but the Sharps wins at long range no matter how I figure it. I did some guessing on the Sharps ballistic coefficient and used .400. The one in my cartridge collection has a slender nose with a .18" meplat, and looks like the Lyman 410660 & 457671. The following numbers are at the muzzle, 300 yards and 600 yrads.
Velocity Energy Taylor Keith
2960 1946 10.3 42 .243 Win
2215 1090 7.7 32 100 gr.
1598 567 5.5 23
2600 2703 20.6 67 .30-06
1652 1091 13.1 42 180 gr.
1069 457 8.5 27
2080 1922 21.3 59 .35 Rem
1135 572 11.6 32 200 gr.
837 311 8.6 24
1350 1915 46.3 91 .50-90
1058 1176 36.3 71 473 gr.
902 855 31.0 61
I should compare the .30-06 and the .35 Remington in wetpack at the same time. While I've tested both, it wasn't in the same year, let alone the same wetpack. Then there's some 467 grainers for the flintlock here too. The more I learn, the less I know.
Bye
Jack