Budewa
Cocorico, sabon ƙirƙira na Faransa, na iya haɓaka ingantattun injunan mu nan ba da jimawa ba tare da rage ƙazanta da amfani. Haƙiƙanin fasaha na ci gaba wanda gasa mai girma (GP ko Endurance) zai zama kyakkyawan filin wasa. Yayin jiran isa ga wannan batu, lerepairedesmotards.com yana gabatar da Adaftar APAV!
Romain Besret, injiniya wanda ya koyar da kansa, ya samo asali ne daga wannan ƙirƙira mai haƙƙin mallaka, wanda shine batun sha'awa da yawa. Dole ne a ce yana kawo sauyi ga sarrafa injunan "compression ignition" (man fetur), wanda, sabanin injunan "compression ignition" (dizal ...), dole ne su yi aiki akai-akai kuma a zahiri suna amfani da bawul din magudanar ruwa. Lallai, a matsayin tunatarwa, akan injin mai, ana sarrafa wutar lantarki ta hanyar shaƙe abin da ake sha don rage yawan iskar da ake sha. Bugu da kari, ana daidaita adadin man da aka yi masa allura lokaci guda don ingantacciyar iskar gas / man fetur. A kan man dizal, abin da ake ci a koyaushe yana buɗewa (babu akwatin malam buɗe ido), kuma ana sarrafa ikon ta hanyar allurar mai ko ƙasa da haka.
Na zamani
A yau, tsarin sarrafa kaya huɗu da aka yarda suna rayuwa tare. Mafi al'ada shine bawul ɗin malam buɗe ido, wanda aka samo akan 99,9% na babura. Duk da haka, yana da uku drawbacks. Na farko, an sanya shinge a cikin bututu don sarrafa iska a ƙananan buɗewar hannu, wanda ke haifar da hasara mai yawa da kuma tashin hankali aerodynamic. Wannan toshewar kuma yana hana ra'ayoyin nau'ikan igiyoyi da sauran sautin sauti daga injin idan bututun ya toshe wani bangare. Girgizar ta daina kaiwa ƙarshen tashar yayin da take bugun malam buɗe ido. Don haka, tsarin ɗaukar tsawon tsayin canji ya gaza ko ƙanana ne kuma aƙalla suna yin rashin kyau akan ƙananan buɗewar hannu. Na biyu, mai allurar man fetur yakan yi rashin kyau a wuri yayin da yake shayar da bututun maimakon kai tsaye ga bawul. Wannan "jikewa" na bututu yana da lahani ga lokutan amsa allura, cinyewa da gurɓata, musamman sanyi. Hakika, wasu daga cikin man fetur da ke kan bangon shan ba ya shiga cikin injin lokacin da yake bukata. A daya bangaren kuma, lokacin da matukin jirgin ya rabu da mashin din saboda ba ya bukatar wuta ko man fetur, don haka tsananin bakin ciki na “siphon” ya motsa shi ya kuma tsotse ragowar digon mai a cikin hasara. Yin amfani da nozzles na shawa da aka sanya a cikin akwatin iska yana hana ganuwar yin jika, duk da haka, yin amfani da hazo na man fetur yana da kyau ga aiki, amma ba don amfani ba. Bugu da kari, tun da injector yana bayan malam buɗe ido, nesa da bawul, amsawar canje-canjen ɗaukar nauyi a rago ba daidai bane, kuma a zahiri, injector ɗin shawa kusan yana goyan bayan injector na al'ada wanda yake "a gefen" gaba. zuwa bawul. A matsayin kari, yana biyan injectors guda biyu a kowane silinda da sarrafawa wanda ke zuwa tare da… tertio, da zarar ma'aunin ya yi girma, ma'aunin yana tsayawa koyaushe a tsakiyar magudanar ruwa, wanda har yanzu yana rushe kwararar a cikin cikakken kaya, yana haifar da ƙarancin asarar matsakaicin. iko. Ba glop ba.
Guillotine!
A'a, wannan ba shine abin da malam buɗe ido ya cancanci ba, tsari ne mai kama da lebur bushels na tsoffin carburetors. Yana magance matsala ɗaya kawai, matsalar cikar nauyin nauyi, yayin da yake tsaftace bututun gaba ɗaya. Mafi kyau ga iyakar iko, amma bari mu sake farfado da wannan riba, la'akari da cewa ko da a kan cinya, a ƙarshe muna kan taƙaitaccen sanarwa, musamman ma idan babur yana da ƙarfi sosai! A kan babur GP, ba mu wuce 35% na lokaci ba a buɗe kan hanya mai sauri. Don tunani, a cikin 1990s, GP 500 ya kasance kusan kashi 10% na lokacin akan kewayen Jerez!
Juyawa mai jujjuyawa.
Ba saban wannan na'urar KTM ke amfani da ita akan babura3. Yana ba da fa'idodi iri ɗaya kamar guillotine profile duct, ƙarancin ƙarancin ƙarancin nauyi. Amma ga sauran ... Wannan farar hula ce tare da mafita guda biyu na baya.
Rarraba masu canji
Tsari na ƙarshe, wanda ba a samo shi akan babura a yau ba, shine cire bawul ɗin magudanar ruwa ko duk wani tsarin makamancin haka da sarrafa kwararar iska ko 100% m kasafi, wanda ke canza bawul ɗagawa da buɗe bawul don dacewa da buƙatun wutar da direba ya bayyana. Lokacin yin aiki, bawul ɗin suna buɗewa a ƙaramin tsayi kuma cikin ɗan ƙanƙanin lokaci. Idan an yi lodi sosai, suna ɗaukar lokaci mai tsawo kafin su tashi don haka suna ɗaukar tsayi. Kula da wannan 100% m rarraba tsarin zai iya zama electro-hydraulic, hydro-mechanical, ko ma 100% lantarki. Matsalar ita ce waɗannan tsarin suna haɓaka haɓakawa da / ko ba su da sha'awar manyan halaye, wanda yake daidai da babban ƙoƙari. A takaice, a lokacin da titanium valves a kan injinan babur ɗinmu, irin wannan nau'in rarrabawa bai riga ya fara motsi ba ... NB, Irin wannan nau'in rarrabawa ya bambanta da VTEC Honda, DVT Ducati ko VVT Kawasaki.
Abin da APAV ke bayarwa
Ka'idar ita ce sarrafa sashin hanyar bututun ta hanyar gabatowa ko matsar da iska daga bututun ci. Don zama mafi kyan gani, za mu iya magana game da kwai ko digon ruwa. Ci gaba daga cikin iska, mafi girman sashin, mafi kusa da shi, yawancin iskar gas suna rufewa. Na farko shi ne cewa a cikin ƙananan kaya (hankali da ƙananan ramuka), maimakon damuwa da kwararar ruwa, ana tura shi ta hanyar wucewa zuwa gefen bututun. Tunda aka dasa allurar a ƙarshen iska, tana fesa man batir akan kutuwar iskar iska kuma babu abin da aka ajiye akan bango. Don haka, ana rage yawan amfani da gurɓataccen yanayi. A matsakaicin nauyin nauyi, bayanin martaba ya koma baya kuma bututun ya zama mafi ma'ana, wanda ke ba da damar kulawa mai kyau na tasirin sauti wanda ke son cikawa. A cike da kaya, iskan iska tana share mashigar hanyar iska gaba daya, amma kasancewarsa nesa yana taimakawa wajen wuce gona da iri a kofar mazugi, yayin da hanyar iskar ta yi santsi. Sakamakon shine ingantaccen ci gaba a cikin cikar injin, wanda aka tabbatar da karuwar adadin lambobi biyu a cikin dawakai ko ma dozin biyu !!! Lallai an yi nasarar gwada tsarin akan benci akan injin silinda mai bugun jini guda 4 mai girman 250 cm3 ...
Tasirin Butterfly.
An gabatar da shi ga 'yan wasa daban-daban a cikin babura da motoci, APAV koyaushe yana buga kai da ƙusa, kuma babu wanda ya ce ƙa'idarsa ba ta da mahimmanci. Mu ba asiri ba ne na alloli, amma ana ci gaba da tattaunawa ... A halin yanzu, APAV zai ɗauki matakai na farko a kan gangaren sabon Rhodson 1078 R, wanda muke kuma gabatar muku. Ƙirƙirar Faransanci akan babur na Faransa (tare da injin Ducati), ba za mu iya jira don ganin sakamakon da ci gaba da ci gaba ba!
