Talk:Hot and high

External links modified

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• Added archive https://web.archive.org/web/20110721172646/http://www.mausam.gov.in/WEBIMD/ClimatologicalAction.do?function=getStationDetails&actionParam=1&param=2&station=Leh to http://www.mausam.gov.in/WEBIMD/ClimatologicalAction.do?function=getStationDetails&actionParam=1&param=2&station=Leh

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Erasure of technically unsound material

Today I erased significant amounts of text. This text was unsourced and technically unsound.

The article had evolved to acknowledge that reduced air density causes higher True Airspeeds and to imply that higher True Airspeeds, especially the True Airspeed at the stall, constitute a reduction in performance. This is untrue.

Most aircraft do not have an airspeed indicator that indicates True Airspeed. Consequently the pilot is oblivious of the True Airspeed, especially as reducing air density has no discernible effect on aircraft handling qualities.

The deterioration of aircraft performance in hot and high conditions is due almost entirely to the reduction in thrust from the power plant. It is almost unrelated to the increase in True Airspeed relative to Indicated Airspeed. Dolphin (t) 01:13, 22 June 2017 (UTC)

"Other uses"

Continuing the theme of "technically unsound material" . . "hot and high can also describe a botched landing approach ..: .. the only way to slow the rate of descent is to increase speed .."??

This doesn't look right to me? (1) Increasing speed (on an unchanged descent slope) would increase the rate of descent (in feet per minute); and (2) what you'd be trying to do (wishing you could do!) is to descend quickly - faster, not slower - because you're too high. Basically, (3) the text seems to reverse the causation: it's not tht managing speed is your means of managing descent-rate, it's tht increasing your descent-rate will affect your airspeed (and not in the way you want, since you're already too 'hot').

Am I airing my ignorance here? - disclosing my lack of relevant expertise!? or should I have a go at reframing the article text, restating the issues?

- SquisherDa (talk) 19:50, 3 January 2020 (UTC)

I agree the material was technically unsound. There may have been some sound thinking behind it, but it was written in such an unclear fashion it was not possible to see anything meritorious. The content of the section was entirely unsourced so I have erased it. If you are inclined to start again and re-write it, correctly restating the issues and providing a reliable, published source, please go for it. Dolphin (t) 12:07, 4 January 2020 (UTC)

Can anyone help with sources? I'd be pushed to source anything properly. I think I could manage a lucid and accurate statement. It seems unfortunate to lose the section entirely - this alternate informal meaning of the phrase is reasonably common . . and potentially very confusing! - SquisherDa (talk) 00:33, 5 January 2020 (UTC)