Interesting innovative engines

[mechness]

Exo-skeletal jet engine

Free Piston Power Pack - linear electrical generator

The FairDiesel Opposed Piston Barrel Engine

Starrotor - A rotary internal combustion engine using the Brayton cycle

[Broken Link] Trochilic rotary Stirling and combustion engines

Revetec - Reciprocating engine utilising counter-rotating cams

Bruce Crower's 6-stroke engine

Comments

[morningstar_lj]

I'm an appalling engine geek so I'm familiar with these. Check this out for one that was built quite some time ago:

http://www.nationalmuseum.af.mil/factsheets/factsheet.asp?id=808

Torpedoes often have wacky engine designs to keep the frontal area as low as possible. Swashplates get used a lot instead of crankshafts.

I have one of these and it runs on just the heat of my hand:

http://www.stirlingengine.co.uk/ks90r-ross-yoke-stirling-engine-35-p.asp

[mechness]

Awesome.