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...wn as ''[[rotary engine]]s''. However, both continue to be called ''rotary engines'' and only the context determines which type is meant, whereas the "pistonl ==Pistonless rotary engines== ...

...ngine''' is a [[two-stroke]] opposing-piston [[free-piston engine]] design proposed by Frank Stelzer. It uses conjoined [[piston]]s in a push-pull arrangement ...o pay half the cost of a factory at [[Shannon Airport]] to manufacture the engines. <ref>{{Cite news | url=https://www.nytimes.com/1983/06/27/business/free-pi ...

==Similar engines== Similar external combustion rotary engines have been patented by: ...

* [[Carmichael coal mine]], a proposed mine in Central Queensland, Australia * [[Carmichael (manufacturer)]], Worcester manufacturer of fire engines ...

{{Short description|Proposed aircraft}} ...eavertail rear fuselage, to be powered by two [[Klimov TV7-117]] turboprop engines.<ref>{{cite book |last1=Slagley |first1=George E. |title=A century of aviat ...

== Contribution to early gas engines == ...gald Clerk]]'s book on Gas and Oil Engines.<ref>Dugald Clerk, "Gas and Oil Engines", Longman Green & Co, (7th Edition) 1897, pp 5–10.</ref> In Barnett's UK pa ...

..., took it upon himself to find a way to mechanize the production of rocket engines. He assembled a machine which he named "Mabel," capable of producing a rock ...at was so small it fit inside the cardboard tubes used for shipping rocket engines. ...

The '''Saturn INT-20''' was a proposed intermediate-payload follow-on from the [[Project Apollo|Apollo]] [[Saturn Three variants were studied, one with three [[F-1 (rocket engine)|F-1]] engines in the first stage, one with four, and one with five.<ref>{{Cite web |title ...

...that it needs some human assistance in order to function properly. Search engines have many different algorithms and ranking factors that they use when measu ...te=26 May 2022}}</ref> Today, this algorithm is a part of major web search engines like Yahoo! and Google. <ref>{{Cite patent|number=7603350|title=United Stat ...

|engines = 14 [[Rocketdyne]] [[SSME]] |engines = 2 [[Rocketdyne]] [[SSME]] ...

...built as a prototype powered by a pair of [[Napier Eland E220]] turboshaft engines. ==Engines on display== ...

...'ferry'' in [[Russian language|Russian]]) is a [[space tug]] that has been proposed by [[RKK Energia]]. The purpose of this vehicle is to replace most of the ...into the space station's or another spacecraft's tank. It will also have engines scaled to handle cargo modules weighing up to 30 tonnes (around 60,000 poun ...

A '''flame holder''' is a [[Components of jet engines|component]] of a [[jet engine]] used as an [[Pyrotechnic initiator|ignitor] All continuous-combustion jet engines require a flame holder.<ref>{{cite book | chapter-url=https://link.springer ...

[[DB-Engines ranking|DB-Engines]] lists over 300 DBMSs in its ranking.<ref> |url= http://db-engines.com/en/ranking ...

==Aircraft and rocket engines== * [[SABRE (rocket engine)]] (Synergistic Air-Breathing Rocket Engine), a proposed combined cycle rocket engine ...

...s too shallow to accommodate twin engines, a four-engine configuration was proposed. ...

...t = {{convert|6,888,000|N|lbf|abbr=on}} <ref name=sf20120804/> <!-- 8 core engines --> ...{{convert|2,900,000|N|lbf|abbr=on}} <ref name=sf20120804/> <!-- 4 booster engines --> ...

{{Short description|Proposed hydrolox rocket engine intended to surpass the RS-68}} [[Category:Rocket engines using the gas-generator cycle]] ...

The '''Boeing XB-55''' (company designation '''Model 474''') was a proposed [[Boeing]] aircraft designed to be a [[strategic bomber]]. The XB-55 was in ...blade [[contra-rotating propellers]], ''i.e.'', six blades per engine; the engines were to be mounted in [[nacelle]]s hung from the wings, two per side; the l ...

...esel]] I4<br />(licensed<br />[[Perkins Engines|Perkins]])||[[Mazda diesel engines|Mazda]] || S2<br /> XA<br />HA ||2209<br />2522<br />2977||1970&ndash;1984 ...iston]] and [[Wankel engine|Wankel "rotary"]] [[Internal combustion engine|engines]]. This page summarizes the various engine families and variations. ...