Talk:McDonnell Douglas MD-12

message: Why do we illustrate this article with an A380??
The poster image referred to above actually looks like an MD product. Either bring it back or redo the CG image to reflect it. Please. --Pete (talk) 01:35, 24 July 2008 (UTC)
replies: text: Which image are you talking about??  This :Image:Md-12-2.png only has "McDonnell Douglas" and "MD-12" as its markings. -Fnlayson (talk) 03:34, 24 July 2008 (UTC)
replies: text: Perhaps a better question would be: Why does every photo of an A380 look like an MD-12? ;) - BillCJ (talk) 04:16, 24 July 2008 (UTC)
replies: text: Well, you might say why does a 707 look like a DC-8. But every manufacturer has their distinctive design characteristics. Regardless of markings, you can pick an Airbus from a Boeing from a Tupolev. --Pete (talk) 04:22, 24 July 2008 (UTC)

text: I've let the creator of the image know of your accusations. Hopefully he can deal with this directly for you within the next few days. Anyway, I think this flushes down the toilet the opinion that the original fair-use images here are replaceable. I think we can add them back now. - BillCJ (talk) 04:32, 24 July 2008 (UTC)
replies: text: Pete, I really didn't render this as an A380, which has a slight arch downward near the nose. Check out the nose on the Airbus and compare it to my (and McDD's illustrations which I used as my template) and you'll see they are not the same. (The A380 looks a lot like the MD-12 though, I'd most definitely agree.) Anynobody(?) 05:39, 24 July 2008 (UTC)

text: (PS I got the livery from this image) Anynobody(?) 05:43, 24 July 2008 (UTC)
thread_title:  WTF? 

message: Article table stated Mach  0.85 - this seems ok. Then followed 565 mph and 1050 km/h. First - IF 1050 km/h is correct, then the speed in knots becomes 1050/1.852 = 567. Hence I changed mph to knots. (1 knot = 1 nautical miles per hour = 1852 meters). However both 1050 km/h and 565 (or 567) knots both seem to be a little to high. In the future I strongly suggest to use knots about ships and piston enined aircraft. And both MACH number and knots for all kindds of jet engined aircraft. These two figures must be correct. The MACH number isn't directly calculated into any other speed, since it depends on how thin or thick the air is (see Mach number). When the correct units are presented, can they well be calculated to both mph and km/h. But neither is used within avionics (perhaps some Russian aircraft uses indicated km/h, and very old airplane from UK uses mph. But here are the used units within modern aviation:
* indicated airspeed - knots (and Mach number)
* true airspeed, ground speed and even taxi speed - the same
* altitude - feet , 1000's of feet
* vertical speed - feet/minute , 1000's of feet/minute
* distances - nautical miles (which is around 15% longer than a UK/US land mile and exactly 1852 meters)
* runway lenghts - meter
* heading, pitch, runway slope (anything which involves angles) etc - degrees (with one lap = 360 degrees). 
These are all well sourcered in their repectively articles. Boeing720 (talk) 11:29, 28 March 2015 (UTC)
thread_title:  the speed mentioned 

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thread_title:  External links modified