Talk:Variable cycle engine

	Engineering portal This article is within the scope of WikiProject Engineering, a collaborative effort to improve the coverage of engineering on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.EngineeringWikipedia:WikiProject EngineeringTemplate:WikiProject EngineeringEngineering articles
???	This article has not yet received a rating on the project's importance scale.

Aviation: Engines

This article is within the scope of the Aviation WikiProject. If you would like to participate, please visit the project page, where you can join the project and see lists of open tasks and task forces. To use this banner, please see the full instructions.AviationWikipedia:WikiProject AviationTemplate:WikiProject Aviationaviation articles

This article has been checked against the following criteria for B-class status:
Referencing and citation: criterion not met Coverage and accuracy: criterion not met Structure: criterion not met Grammar and style: criterion not met Supporting materials: criterion not met

This article is supported by the aircraft engine task force.

Needs work

Just a quick read through of this article shows that it selectively covers the field and has no citations... anyone willing to work on it a bit? - SidewinderX (talk) 15:34, 3 September 2009 (UTC)[reply]

Why is Tandem Fan covered in this article

Tandem Fan was conceived as a VTOL system, not as a way to augment thrust while lowering noise. The description even details the VTOL application, with the forward fan airstream exiting downwards and the aft fan then being fed by side intakes. — Preceding unsigned comment added by 94.191.190.114 (talk) 16:18, 23 February 2014 (UTC)[reply]

Cross section?

I was under the impression that a high speec supersonic jet needed high specific thrust because the jet exhaust has to be as close to the speed of the craft as possible for maximum efficiency. That's why turbojets are more efficient at high speeds, and less at low, because the exhaust velocity is wasting energy because it's much faster than the slow airspeeds when flying at subsonic. Likewise it is difficult to make a large-volume, slow speed jet create sufficient thrust at high speed because the exhaust is actually slower than the jet. Unless you want a very high volume of exhaust to make up for this defect, you need a high exhuast jet speed. The smaller cross section is an incidental benefit and doesn't really matter unless the larger fan forces the designer to thicken the wing, for example, or if the engines are pod mounted.

Idumea47b (talk) 02:45, 31 July 2020 (UTC)[reply]

Merge with Advanced technology engine

These two articles cover much the same subject, although contents are currently quite distinct. Better to have one with everything. Lfstevens (talk) 23:44, 19 May 2024 (UTC)[reply]