Template talk:Jetspecs

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Wikipedia Xenophobia at Work[edit]

So this is how it works? Undo and lock? Even if it would be idiocy to do so? "Welcome to Wikipedia, the free encyclopedia that anyone can edit" my ass. --91.55.228.111 (talk) —Preceding undated comment added 05:09, 18 August 2009 (UTC).

Bypass Ratio?[edit]

I think bypass ratio needs to be added to the template. It is an important specification for turbofan engines. For turbojets/turboshafts/etc, it can just be left blank. -SidewinderX (talk) 14:46, 24 September 2009 (UTC)

Yes, it was added but forgot to say so! Nimbus (Cumulus nimbus floats by) 15:43, 1 January 2010 (UTC)

Mass flow and pressure ratio[edit]

Is there any chance that someone knowledgable can change the Compression to Pressure ratio and the aircon (meaningless) to Massflow? And add an entry for E.P.R.Petebutt (talk) 05:24, 20 December 2011 (UTC)

OK, I have incorporated what I have suggested in a test template at User:Petebutt/aero-engine manuf template how do I incorporate the changes in the mainpage template without causing widespread upset?Petebutt (talk) 05:53, 20 December 2011 (UTC)

Turbine inlet temperature[edit]

The template is misleading (IMHO)

It should be understood that the numbers in type certificates record the temperature AFTER the [compressor/gas generator/HP] turbine, at which point it is low enough to be measured by thermocouples.

See, for example, the PWC 306B

http://wwwapps.tc.gc.ca/saf-sec-sur/2/nico-celn/c_d.aspx?lang=eng&amp%3baprv_num=E-22&amp%3bISU_NUM=15&amp%3bSTART_DATE=2015-01-28&amp%3bAUTH_DESC=&amp%3bDESC=&amp%3bFRGN_NUM=&amp%3baprv_type=TA&amp%3bPARTS_NUM=&amp%3bid_num=1177

where the temperature, described as 'Measured Interturbine Temperature', is given as 920C.

This has been copied into the 'Specifications' of the article

https://en.wikipedia.org/wiki/Pratt_%26_Whitney_Canada_PW300

However, 920C is hundreds of degrees less than the temperature at inlet to the HP turbine: it is this temperature that is (very commonly) 'above the melting point of the blade material'

86.173.174.142 (talk) 20:17, 7 September 2016 (UTC)