In former hot air engines it was impossible to prevent the valves from leaking ; this difficulty seems to be overcome in this one, as it has been running for several monthi without requiring any ...

If hot-air engines and inflammable gas engines fail as yet to furnish power comparable to .hat which steam affords, without a very disproportionate increase of bulk, and for high powers fail to ...

In order for an engine to operate, and not turn into a white-hot glowing chunk of molten ... more surface area for which the air may act upon. Air-cooled engines are simpler, which means cheaper ...

Two of the more commonly used engines are turbofan and turbojet engines ... From there, it's pushed into the combustion chamber, where the hot air is mixed with jet fuel and ignited.

The Federal Aviation Administration has ordered airlines to address a problem affecting Rolls-Royce-powered Boeing 757s that can cause hot engine air to strike and weaken engine struts. The issue ...

Air engines are a common occurrence here on Hackaday. They’re relatively novel and reasonably easy to 3D print without requiring any fluids or supporting machinery. For example, [Tom Stanton ...