Silinda guda uku

Idan da babur ENGINE daidai gwargwado fa?

A baya mun san 3-cylinder 2-stroke, kan layi akan Kawasaki, Suzuki da Motobécane ko V-dimbin yawa akan Honda. A gaskiya ma, ga Honda, wadannan motoci ne masu layi, wanda aka yi ta hanyar silinda don samun nisa. Sanda mai haɗawa ɗaya ce kawai a kowane manequin, kuma kowane silinda yana da nasa calo ɗin famfo mai zaman kansa. Wadannan injuna an sanye su da PSAs na hanya 400 da RS 500 da NS GPs. Daki-daki mai ban dariya, shimfidar shimfidar da aka yi amfani da su an juyar da su: 2 silinda a kwance da kuma na tsaye akan hanya, akasin haka a cikin GP. Wataƙila kan batutuwan da suka shafi tafiyar tukwane na shakatawa da zafin da aka saki ...

A takaice dai, injinan silinda guda uku a wannan zamanin, injina ne da ke da iska a cikin jirginsu, amma dukkansu gine-gine iri daya ne: injin in-line kuma ba shakka zagaye na 4, domin bugun biyu ba ya da iska a ciki. ya ratsa...

Daya ga duka, duk kan layi!

Don mafi kyawun daidaitawa dangane da rawar jiki da daidaitawar cyclical, ana sanya crankcase kowane 120 ° don aiki na yau da kullun, yana ƙone kowane 240 ° (juya ɗaya / 2). A cikin 70s / 80s Laverda saki 180 ° uku-Silinda 1000, da engine wanda ya fi "hali" fiye da iri da suka bi 120 °. Wannan motar, mai suna "Jota" bayan daya a cikin bugun bugun jini na Sipaniya guda uku, ya kasance banda.

4-buga guda uku-cylinder a GP

Injin silinda uku kuma ya yi fice sosai a GP, na farko a matakai 4, a zamanin MV Agusta mai daraja, sannan a matakai 2. Abin da ya gabata yana da ɗaukaka har ma a yau 800 F3 na cikin shahararren MV3 350 (1965) da 500 (1966). 500 ya haɓaka kusan 80 hp. a 12 rpm kuma ya wuce 000 km / h. Ta lashe aƙalla kofunan duniya 270 tsakanin 6 da 1966 a hannun Giacomo Agostini! Idan injunan kama-da-wane suka mamaye wannan kayan gine-gine na zamani, injunan zamani sun ƙunshi ƙugiya mai jujjuyawa wanda ke rage tasirin gyroscopic babur kuma yana haɓaka ƙarfinsa.

Kwanan nan mun sake ganin GP mai silinda uku yayin haɓakawa zuwa bugun bugun jini huɗu. A cikin 2003, duk da haka, an canza shi azaman Aprilia Cube, ya kasance ƙasa da gamsarwa fiye da VM. A haƙiƙa, wannan tsarin yana haɗa ƙunƙun dangi da ikon yin juyi don haka haɓaka takamaiman iko. "Dangane da juna" tabbas wani bangare ne na matsalar Cuba, saboda yanzu dole ne ku kai matsananciyar gudu don tilasta kanku cikin GP ɗin ku.

Hanyoyin da ba su dace da gine-ginen gine-ginen da ba su isa ya raba ƙaura ba. Wannan yana azabtar da saurin mizani na piston, kamar yadda zamu tattauna a gaba. Tare da haƙarƙari 88,6 X 53,5 "an sanar", kubewar ya yi ƙoƙari ya wuce 15 rpm. Abincin ya yi ƙasa da ƙasa, tare da kunkuntar kewayo. Sakamakon ya kasance inji mai ban tsoro wanda ya hana kamawa da sauƙin tuƙi.

Daidaitawa

A saboda wannan dalili ne cewa a cikin supersport category, kamar yadda a cikin SBK, uku cylinders sun sami wani diyya riba a kan 4 cylinders. Don haka mun ga bugun 675 cc na MV uku cylinders da Triumph a kan silinda 3 cc 600. A SBK lokacin 3 4-Silinda, 750 uku-Silinda da 4 twin-Silinda. Wannan ya ba da izinin Petronas don amfani da 900 mai ban sha'awa tare da injunan jujjuyawar injin: jujjuyawar (sharewa a baya, ƙofar gaba da cylinders sun karkata baya). Kyakkyawan misali na "ƙafafu uku".

Doka don jimiri shine 600 guda huɗu, amma don silinda uku dole ne ya wuce 750 cm3. Bambance-bambancen da ba a samu a cikin GP ba, musamman a yau, lokacin da ka'idodin suka saita iyakar 4 cylinders da guntun da bai wuce 81mm ba. A zahiri, girman GP-cylinder uku, daidaitacce a mafi kyau, zai zama 81 X 48,5 mm ko matsakaicin saurin kusan 17 rpm a saurin madaidaiciyar piston na 000 m / s. Baya ga matsakaicin ƙarfin dawakai, mai yiwuwa ɗan ƙaramin adalci, akwai saurin lalacewa da za a yi taka tsantsan, wanda bai dace da adadin injunan da aka halatta a kowane lokaci ba. Don haka, baya ga neman matsaloli, babu wanda zai ɗauki hayar silinda guda uku har sai an sami sanarwa.

Karami amma mai karfi

Lokacin da ya zo ga tseren hanya da wasanni, sau uku suna watsi da waɗannan batutuwa. Yana wasa tare da ƙarancin ƙarfinsa (800 MW kawai yana auna kilo 52!) Don sabis na babura waɗanda koyaushe suke da ban sha'awa sosai godiya ga daidaitawar sa, wanda ke ba shi amsa mai daɗi mai daɗi da kasancewar gaske. Ana tabbatar da wannan ta hanyar lanƙwasa daga sanannen littafin injin. Da farko, mun gano karfin juzu'in 1616cc (3 X 3cc) injin silinda uku.

Akwai kololuwa a 603 Nm, yayin da a kan na gaba lankwasa 4 cylinders 2155 (4 X 538 cm3), wanda duk da haka yana haɓaka matsakaicin matsakaicin matsakaici (180 Nm da 135), suna da 425 Nm kawai na madaidaicin madaidaicin madaidaicin. !

A taƙaice, tare da ƙarancin ƙaura da ƙananan matsakaitan matsakaita, kololuwar juzu'i na silinda uku nan take sun fi injin silinda 4, wanda ke nufin ƙarin farin ciki ga matukin.

ƙarshe

Ko dutsen titin hanya ne, direban titin ko wasan motar motsa jiki, injin ne mai ban sha'awa wanda ya fi karami da wuta fiye da silinda hudu. Halayen da suka yi masa alkawari mai haske a nan gaba akan ƙafafu biyu ko huɗu. Tabbas, a hankali kuma ana sanya shi a ƙarƙashin hulunan motoci na zamani a cikin sigogin tare da babban cajin 1000 ko 1200 cm3. Da azama, bai gama ba mu mamaki ba!