From: Joe Dees (joedees@addall.com)
Date: Mon Oct 01 2001 - 21:06:54 MDT
>Date: Mon, 01 Oct 2001 21:07:45 -0400
> Mike Lorrey <mlorrey@datamann.com> extropians@extropy.org Re: OFFTOPIC: Re: first line of defenseReply-To: extropians@extropy.org
>
>James Rogers wrote:
>>
>> On 10/1/01 12:44 PM, "Mike Lorrey" <mlorrey@datamann.com> wrote:
>> >
>> > You want to look at ammunition which has relatively flat trajectory at
>> > distance. 30-06 is okay, but on the small end. .300 Winchester Magnum,
>> > .270 Remington, and upward to .416 Rigby, .375 H&H, .458 and .45-70 or
>> > .45-100 have a flatter trajectory at greater range than the 30-06.
>>
>> Huh?!?! Most of the cartridges you mention most definitely do *not* have a
>> flatter trajectory than a .30-06. Hell, half of them can't do much more
>> than 2,000 feet per second whereas the .30-06 can do a little under 3,000
>> fps on average. And never mind that the .4xx and .375 H&H have hideously
>> low ballistic coefficients, where the BC defines the flatness of a
>> trajectory for a given initial velocity (higher BC = flatter trajectory).
>>
>> The .300WM has the same BC as the .30-06, but a little faster so flatter.
>> The .270 (Winchester, not Remington) has a nearly identical trajectory as
>> the .30-06 for a given BC, but in a slightly smaller platform.
>>
>> In fact, out of that entire list, only the .300WM is generally a flatter
>> shooting cartridge than the .30-06 at a distance.
>>
>> I have to say, I am puzzled that you made these mistakes as I would have
>> expected you to know these in your sleep.
>
>Shooting from the hip, of course. ;)
>
>While the 30-06 is a standard military round dating back to WWI, where
>average infantrymen could make 600-1000 yard shots on enemy soldiers
>with general regularity (though the 8mm Mauser 98 of the same period is
>considered a better long range weapon). The standard listed BC for the
>larger caliber rounds are generally published for round nose big game
>rounds, where you want to put as much metal into the meat as possible
>(and as deep as possible, with good spreading). There are a number of
>factory loads for these larger calibers with relatively high BCs and
>rather flat trajectories. Now, I personally don't recommend these for
>everybody, unless you are a Palma class shooter with similar credentials
>in the NSCA handicapping system for clays shooting... The advantage of
>the 30-06, beyond its relatively flat trajectory, is its utter ubiquity.
>It is one of the easiest rounds to buy at great quantities from surplus
>very cheaply.
>
>The comment I made about the 30-06 was specifically targeted in
>comparison to the .270, which according to Ruger and several gun mag
>writers, has a flatter trajectory than the 30-06, which is why they
>consider it a superior deer round versus target rounds, because your
>average hunter doesn't have the time to tweak on his mildot scope like a
>bench rest target shooter does.
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