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Topic: Junkers Jumo 223

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	Opposed piston engine - Wikipedia, the free encyclopedia
		Both the Jumo and Deltic engines used one piston per cylinder to expose an intake port, and the other to expose an exhaust port.
		In the Jumo 205 and its variants, the upper crankshaft serves the exhaust pistons, and the lower crankshaft the intake pistons.
		In designs using multiple cylinder banks, such as the Junkers Jumo 223 and the Deltic, each big end bearing serves one inlet and one exhaust piston, using a forked connecting rod for the exhaust piston.
	en.wikipedia.org /wiki/Opposed_piston (557 words)

	Junkers Jumo 222 -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-08)
		The Jumo 222 was a high power (The engine that powers and aircraft) aircraft engine design from (German aircraft engineer who designed the first all-metal airplane (1859-1935)) Junkers.
		However, continued testing went poorly, and Junkers eventually decided it was best to stop development of these "Series I" engines and move onto a modified "Series II".
		By late 1941 Junkers decided the best course of action was to make more radical changes to the design, and introduced the 222C and 222D models.
	www.absoluteastronomy.com /encyclopedia/J/Ju/Junkers_Jumo_222.htm (1029 words)

	Junkers Jumo 223 - Encyclopedia, History, Geography and Biography (Site not responding. Last check: 2007-10-08)
		The Junkers Jumo 223 was an experimental 24-cylinder aircraft engine based on the Junkers Jumo 205.
		It is rumoured to have been taken to Moscow after the war, where development may have continued.
		The Jumo 223 was in some ways the predecessor of the successful three-crankshaft Napier Deltic engine.
	www.arikah.net /encyclopedia/Junkers_Jumo_223 (146 words)

	Multi-crankshafts opposed piston engines (2)
		This project had been launched in 1943 and progressed at a low level, as for the Jumo 223, since the prime development resources were reserved for the inverted V 12 Jumo 213 with direct gasoline injection, as well as for the Jumo 004 turbojets propelling the Messerschmitt 262 and Arado 234.
		The Jumo 224 project made use of cylinder dimensions identical to those of the Jumo 207 D, that is to say 110·(2·160) for a displacement of 73 liters, and a power of some 4500 hp at 3000 rpm.
		According to the three poor photographs of the Jumo 223 which represent about all documentation available about it, the intake crankshafts were on the sides and the exhaust ducts appear grouped around the upper and lower crankshafts.
	www.histomobile.com /histomob/tech/2/121.htm (646 words)

	Junkers Jumo 205 (Site not responding. Last check: 2007-10-08)
		The Junkers Jumo 205 aircraft engine was the most famous of a series of diesel engines that were first and for more than half a century the only successful diesel aircraft engines.The first of the series, the Jumo 204, first entered service in 1932.
		A twelve cylinder version, the Jumo 218, was designed but never built, while a single example of the24-cylinder 4-crankshaft Junkers Jumo 223 was built and tested.
		The Jumo 205 powered the early versions of the Junkers Ju 86 bomber,but was found too unresponsive for combat and liable to failure when used at maximum power as is common for combat aircraft.
	www.therfcc.org /junkers-jumo-205-121982.html (308 words)

	Tech (Site not responding. Last check: 2007-10-08)
		Junkers solved this problem with composite pistons made up of two main parts, and whose steel head imprisoned an L shaped peripheral ring over a Ni-resist ring in-between it and the light alloy piston skirt.
		This ratio was decreased to 1.52 on the Jumo 205 of 16.6 liters, and to 1.23 on the Jumo 206 (25.5 liters by a bore increased to 130 mm) intended to replace the Jumo 204, obsolete by 1937.
		Contrary to the case of engines such as the Jumo 223 and 224 which were laid out in a square (or rhombus), the triangular construction of the Deltic meant it was necessary to mount an intake piston/ con-rod assembly and an exhaust one on the same crank pin.
	www.ukcar.com /features/tech/engine/multicrank/bigone.htm (2928 words)

	Junkers Jumo 205 - (Site not responding. Last check: 2007-10-08)
		Jumo 205 Note the supercharger driven from the lower crankshaft, and the complex gearing used to connect the two shafts and still lie within the flat profile.
		As is typical of two-stroke designs, the Jumos used fixed intake and exhaust "ports" instead of valves, which were uncovered when the pistons reached a certain point in their stroke.
		The Jumo 203 and 204 were licensed to Napier and Son, who built a small number as the Napier Culverin just prior to the war.
	www.grohol.com /psypsych/Junkers_Jumo_204 (783 words)

	Search Encyclopedia.com
		Elba Elbaĕl´bä, island, 86 sq mi (223 sq km), Tuscany, central Italy, in the Tyrrhenian Sea, 6 mi (9.7 km) from the Italian mainland, part of the Tuscan Archipelago.
		While consul (223) he campaigned against the Insubres and although chosen master of the horse (221...
		Bismarck, Otto von -> Early Life and Career Born of an old Brandenburg Junker family, he studied at Göttingen and Berlin, and after holding minor judicial and administrative offices he was elected (1847) to the Prussian Landtag [parliament].
	www.encyclopedia.com /searchpool.asp?target=Junkers+Jumo+223 (409 words)

	Junkers EF-100 (Site not responding. Last check: 2007-10-08)
		Although the Junkers Ju EF100 was originally begun as a trans-Atlantic airliner under the designation of EF53, for post WWII use, its design was changed to be a long range, maritime reconnaissance and bomber.
		A loading ramp was located in the rear lower fuselage, such as the later Ju 252 and Ju 352 used.
		The wings were located low on the fuselage, and had six Jumo 223 Diesel 24-cylinder engines mounted on the wing leading edge.
	www.angelfire.com /ab4/airplanes/Junkers_Prototypes/EF-100.html (234 words)

	[No title]
		Hanna Reitsch flew the Fa 61 indoors, in the 'Deutschlandhalle' in Berlin.
		Ju 52, Junkers The angular Ju 52 with its corrugated skinning became a familiar sight in WWII -- it was the Luftwaffe's main transport aircraft.
		Ju 188, Junkers The Ju 188 was a development of the Ju 88, intended as a interim aicraft pending introduction (that never came) of more advanced bombers.
	www.ibiblio.org /pub/academic/history/marshall/military/airforce/ger_mil.txt (17614 words)

	Read about Junkers Jumo 205 at WorldVillage Encyclopedia. Research Junkers Jumo 205 and learn about Junkers Jumo 205 ... (Site not responding. Last check: 2007-10-08)
		In theory the flat layout of the engine could have allowed it to be installed inside thick wings of larger aircraft, such as airliners and bombers.
		The Jumo 205 powered the early versions of the
		Junkers Ju 86 bomber, but was found too unresponsive for combat and liable to failure when used at maximum power as is common for combat aircraft.
	encyclopedia.worldvillage.com /s/b/Junkers_Jumo_205 (436 words)

	Two plus two stroke opposed piston heat engine - Patent 4996953
		For example, fifty years ago, the Junkers Jumo 223 diesel developed 2,000 horsepower with a weight of only 2,000 lbs., and it was compact enough to fit in a volume a meter in diameter and less than 2 meters long.
		Because it takes time for the flame front and/or the fuel spray to progress to fill the chamber, it is practically required that there be multiple spark plugs or injectors.
		The Jumo 223 diesel had four injectors per cylinder, for a total of 96.
	www.freepatentsonline.com /4996953.html (7680 words)

	Blohm & Voss BV P.144 Luft '46 entry (Site not responding. Last check: 2007-10-08)
		This huge flying boat project was capable of landing on the high seas, and the hull was stepped, with a standard hydrodynamic lower hull.
		Four Jumo 223 (24 cylinder, 2500 horsepower each) engines were mounted on the wing leading edge and provided the power.
		A twin fin and rudder tail configuration was chosen, in part to provide a clear field of fire for the remotely controlled tail turret.
	www.luft46.com /bv/bvp144.html (255 words)

	Encyclopedia: Junkers Jumo 204
		People who viewed "Junkers Jumo 204" also viewed:
		Updated 279 days 9 hours 37 minutes ago.
		Click for other authoritative sources for this topic (summarised at Factbites.com).
	www.nationmaster.com /encyclopedia/Junkers-Jumo-204 (487 words)

	[No title]
		Ju 86, Junkers Twin-engined monoplane bomber and cicvil transport.
		Ju 252, Junkers The Ju 252 was designed to replace the Ju 52, but it was decided to continue production of the old, but proven Ju 52.
		The RLM ordered 200, but the Ju 322 was cancelled after the prototpye proved unstable.
	metalab.unc.edu /pub/academic/history/marshall/military/airforce/ger_mil.txt (17614 words)

	Aircraft of World War II :: View topic - Luftwaffe Secret Projects 1939-1945 (Site not responding. Last check: 2007-10-08)
		The sucesor of the 290/390 should be the junkers EF-100 heavy long range tranports,recon plane capable of carry 1 Panzer Mark IV, between others heavy loads.
		The wings were placed low on the fuselage, and had eight Jumo 222 engines mounted on the wing leading edge.
		Junkers Ju 290Other airframes were also civilianised during the war to fly discreet missions to Barcelona.
	www.ww2aircraft.net /forum/archive/o_t__t_2002__start_60__index.html (3122 words)

	IAR.80 (Site not responding. Last check: 2007-10-08)
		Another attempt was made to fit the Junkers Jumo 211 to the airframe, although this engine was also in high demand in Germany.
		Although the end tally would be 223 bombers to about 60 fighters, the FARR couldn't replace those 60 while the 15th could replace those 223 with relative ease.
		In late May and early June the situtaion got worse, as the Soviets had moved up to the Romanian border and appeared to be gearing up for an offensive.
	www.csd.uwo.ca /~pettypi/elevon/baugher_other/iar80.html (5980 words)

	Junkers Jumo 205
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		The first of the series, the Jumo 204, first entered service in 1932.
		Intake and exhaust manifolds were both duplicated on both sides of the block, and there were four cam-operated injection pumps per cylinder, each driving two nozzles for eight nozzles per cylinder in all.
	www.sciencedaily.com /encyclopedia/junkers_jumo_205 (386 words)

	opposed (free) piston engine(s) - Boat Design Forums
		The only interest of their engine is that it can be put where classical configuration engines (I, O, V) cannot be put.
		reading up i find the idea is old, junker airplanes used these engines long ago, naval ships use(d?) them in 2 stroke diesel and indeed in torpedos.
		Boyle's law dont count underwater i know but was thinking of muffling that sound but at present i still have to build a "normal" pulse-jet.
	forums.boatdesign.net /showthread.php?s=dab3bb16e46e5ce617aee2b88fff2b8c&t=4994 (1529 words)

	THE GREAT PLANES Community - Aircraft Names...
		Lapotnik: Junkers Ju 87 Stuka "Booter", because of it fixed landing gear.
		This Czech version of the Bf 109 was powered by a not really suitable Junkers Jumo engine, and had poor handling qualities.
		Stukaâ Junkers Ju-87, 'Sturzkampfflugzeug', a generic German term for dive-bomber.
	www.tgplanes.com /Public/snitz/topic.asp?whichpage=-1&TOPIC_ID=916&REPLY_ID=10291 (3518 words)

	Achtung Panzer ! Forum (Site not responding. Last check: 2007-10-08)
		Taking up the point about radial engines can anyone tell me (in layman's language please!) why an inline engine has a better performance at altitude than a radial?
		I know that the B17 and B29 had radials but these were turbocharged, The Fw190 only got a useful high-altitude performance when the BMW801 radial was replaced with the Junkers Jumo inline engine (with annular radiator).
		Likewise the Japanese fighters which were predominantly radial-engine powered had great problems getting to the altitude at which the B29s flew.
	www.network54.com /Forum/viewall?forumid=103508&it=0 (8900 words)

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