Talk:Koun Aircraft Dirigible Helicopter

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 met Grammar and style: criterion not met Supporting materials: criterion not met

This article is supported by the aircraft project.

An editor has requested that an image or photograph be added to this article.

Pressurised helium[edit]

Seriously wacky! Why not liquid He, much denser than air? What was he thinking of?TSRL (talk) 21:39, 11 April 2011 (UTC)[reply]