Talk:30 mm caliber
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30mm or caliber
There is no such thing as a 30mm "caliber." It is either 30mm or 30 caliber not both.
- Go read caliber. You are getting confused with the use of cal as a shorthand for "inch calibre". GraemeLeggett 08:52, 1 September 2006 (UTC)
Agreed, there are several articles on 'XXmm calibre' and they all read very awkwardly because of this. Calibre is a measurement in inches - the user in the reply above suggested to 'go read the calibre article' but I'm not sure how they intended that article to support them, when that article clearly states that calibre is a measurement in fractions of an inch, and goes on to state that 'barrel diameters can also be measured in metric units such as mm', drawing an explicit distinction between the two systems. I think perhaps they were confused by the following sentences in the 'calibre' article which state that "When the barrel diameter is given in inches, the abbreviation "cal" (for "caliber") can be used". However this is a logical failure because the statement 'when measured in inches, cal is a shorthand for calibre' does not imply that 'when using non-inch measurements, calibre is used without the 'cal' shorthand'. It is correct to say that a 20mm bullet has a calibre, because the diameter can be measured in calibre rather than mm: It would be a .78 calibre. But it's not correct to say it's '20mm calibre'. Calibre is a unit, and when you say that, you're appending a second unit after the one that's already there, which makes no physical sense. It's like saying your pencil is '4 inches feet long'. — Preceding unsigned comment added by 188.8.131.52 (talk) 11:06, 6 October 2016 (UTC)
We need a picture of the 30 x 173 mm NATO and 30 x 164 mm Soviet lined up with a common rifle round, like a .30-06 or .50 BMG. It would give the reader a btter sense of scale, methinks. CeeWhy2 12:08, 28 January 2007 (UTC) Very true these sizes are beasts Uber555 09:35, 5 July 2007 (UTC) How about against the 30x113 use din the Apache and the 30x173 used in the Avenger Cannon? Which ammo is used in what application? 184.108.40.206 (talk) 06:43, 19 December 2007 (UTC)Alex
I have 20mm, .50 BMG, and .30 caliber rounds I could use as comparison, but I don't have a 30mm, does anyone know where to get one?
The article says "unlike the smaller 25 mm round, the 30 mm is not typically an anti-personnel weapon round." I'm pretty sure the 25 mm round is also not typically an anti-personnel weapon round. In fact, anything over a .50 cal is overkill as far as persons are concerned. —Preceding unsigned comment added by 220.127.116.11 (talk) 05:56, 28 September 2008 (UTC)
MK-108 30mm cannon
- Hello Dodger67! Think we'd better not, otherwise there would be no end to add 20mm, 25mm, 30mm or 40mm grenades to all the 20 mm caliber, 25 mm caliber, 30 mm caliber or 40 mm caliber related articles. Beside, most of these cannon shells (anything above 20 mm) started life as anti-aircraft, anti-tank/vehicle round, never as grenade round which is nothing more than for anti-personnel purpose. IMO, there is no need to add what you just mentioned. Thoughts, anyone? Best. --Dave ♠♣♥♦™№1185©♪♫® 13:16, 5 December 2010 (UTC)
- I beg to differ, I'm under the impression that these "## mm caliber" articles are meant to be comprehensive, mentioning (or at least attempting to) every type of munition/cartrige in that calibre. Besides it's not like there are dozens of such grenade calibres anyway. Off the top of my head there are only one in each of the 20, 25, 30 mm calibres and only three varieties of 40 mm grenade. If we follow your suggestion all the articles will have to be moved to "## mm cannon calibre". Roger (talk) 16:09, 5 December 2010 (UTC)
- Roger, I understand your viewpoint but its just not a feasible idea. FWIW, you could try your luck at inviting other editors to express their opinions on this issue (→ per WP:Consensus ←) pending such a move but my objections are already known to you. My other suggestion would be to create separate articles about the 35 mm grenade or 30 mm grenade in the trend of the... 40 mm grenade and the latest 25 mm grenade of the XM25 Individual Airburst Weapon System; makes a hell lot more sense and is consequently less confusing for the ordinary readers. Also, you might want to read up on Caliber again. Best. --Dave ♠♣♥♦™№1185©♪♫® 18:19, 5 December 2010 (UTC)