Enjine ea Opel Z20LET
Tse ka hare
Sesebelisoa sa matla sa lithara tse peli sa turbocharged Z20LET se ile sa qala ho tsoa moleng oa kopano ka 2000 Jeremane. Enjene e ne e etselitsoe mefuta e tsebahalang ea Opel OPC mme e kentsoe Astra G, likoloi tsa Zafira A, hammoho le Speedster targa.
Enjene ea peterole e ne e thehiloe ho yuniti ea litha e le 'ngoe e neng e batloa ka nako eo - X20XEV. Ho nkela sebaka sa sehlopha sa cylinder-piston ho ile ha etsa hore ho khonehe ho eketsa tekanyo ea compression ho li-unit tsa 8.8, tse nang le phello e ntle mosebetsing oa enjene ea turbocharged.
Z20LET e fumane hlooho e batlang e sa fetohe ea tšepe ea BC e nang le li-diameter tse latelang tsa valve: 32 le 29 mm, ho kenya le ho qeta, ka ho latellana. Botenya ba tataiso ea valve ea poppet ke 6 mm. Li-camshaft li ile tsa fumana mekhahlelo e latelang - mohato: 251/250, ho phahama: 8.5 / 8.5 mm.
Setšoantšo sa Z20LET
Lilithara tse peli tsa Z20LET ICE tse nang le matla a ho fihla ho 200 hp li ne li kentsoe yuniti ea taolo ea Bosch Motronic ME 1.5.5 le turbine ea Borgwarner K04-2075ECD6.88GCCXK, e khonang ho pompa ho fihla ho 0.6 bar. Sena se ne se lekane ho fihla ho 5600 hp ka 200 rpm. Bokhoni bo boholo ba li-nozzles sebakeng se bulehileng ke 355 cc.
| Lintlha tsa bohlokoa tsa Z20LET | |
|---|---|
| Buka ea, cm3 | 1998 |
| Matla a maholo, hp | 190-200 |
| Torque e kholo, Nm (kgm)/rpm | 250 (26) / 5300 |
| 250 (26) / 5600 | |
| Tshebediso ya, k / lik'hilomithara tse 100 | 8.9-9.1 |
| Tšoaea | Inline, 4-silindara |
| Moqomo bophara, limilimithara | 86 |
| Matla a maholo, hp (kW)/r/min | 190 (140) / 5400 |
| 192 (141) / 5400 | |
| 200 (147) / 5600 | |
| Compression ratio | 08.08.2019 |
| Leqeba la piston, mm | 86 |
| Mefuta | Astra G, Zafira A, Speedster |
| Mohloli o hakanyetsoang, lik'hilomithara tse sekete | 250 + |
* Nomoro ea enjene e fumaneha ho BC mateanong le lebokose la li-gear, tlas'a ntlo ea sefahla sa oli.
Ka 2004, liphetoho tse peli tsa Z20LET li ile tsa hlaha - Z20LER le Z20LEL, phapang e ka sehloohong e neng e le Bosch Motronic ME 7.6 control unit. Lintho tse ncha li ne li fapane ho tse ling feela ka mefuta ea firmware ea block e tšoanang. Lienjineri tsena li kentsoe likoloing tsa Opel Astra H le Zafira B.
Enjene ea Z20LET e ne e ntse e hlahisoa ho fihlela ka 2005, ka mor'a moo ho ile ha qala tlhahiso ea enjene e matla le ho feta, Z20LEH, e fapaneng le ea pele ho eona ka shafts, molamu o matlafalitsoeng le sehlopha sa piston, flywheel, cylinder head gasket, peterole. le lipompo tsa oli, li-nozzles, le tsamaiso ea ho ntša metsi hammoho le turbine.
Ka 2010, tlhahiso ea serial ea lienjineri tse tukang ka hare tsa lelapa la Z e ile ea qetella e phethetsoe. Li ile tsa nkeloa sebaka ke yuniti e tsebahalang ea A20NFT.
Melemo le karohano ea sebopeho sa Z20LET
Плюсы
- Matla.
- Torque.
- Monyetla oa tokiso.
Минусы
- Tšebeliso e phahameng ea oli.
- Monyetla o mongata.
- Ho lutla ha oli.
E 'ngoe ea mathata a tloaelehileng ka Z20LET ke ho ja oli ea banal. Haeba enjene e qala ho tsuba le ho sebelisa oli ntle le tekanyo, mohlomong lebaka la sena le ka har'a li-valve.
Lebelo le phaphametseng le lerata li ka bontša ho thehoa ha lepetso la mokelikeli o mongata. Ehlile, o ka lokisa bothata bona ka ho tjheseletsa, empa ho kenya manifold e ncha ho tla tšepahala haholoanyane.
Ho lutla ha oli ke a mang a mathata a atileng haholo ka lienjineri tsa Z20LET. Ho ka etsahala hore ebe cylinder head gasket e ea lutla.
Li-unit tsa matla tsa Z20LET li na le lebanta la nako, le tlamehang ho nkeloa sebaka ke lik'hilomithara tse likete tse 60. Ha ho e-na le lebanta la nako e robehileng, Z20LET e koba valve, kahoo ho molemo hore u se ke ua e tiisa ka ho nkela sebaka.
Mokhoa oa ho lokisa Z20LET
Khetho e atileng haholo ea ho eketsa ts'ebetso ea matla ea Z20LET ke ho khantša ECU ea eona. Ho fetola lenaneo ho tla eketsa matla ho 230 hp. Empa e le hore ntho e 'ngoe le e' ngoe e sebetse ka botšepehi, ho ka ba molemo ho eketsa intercooler, ho khaola li-catalyst le ho theha CU bakeng sa sena sohle. Ka mor'a mekhoa e joalo, koloi e tla itšoara ka potlako haholo, hobane matla a eona a maholo a tla fihla ho 250 hp.
Ho fetela pele tseleng ea tokiso ea Z20LET, o ka "lahlela" turbine ho tloha phetohong ea LEH ho kena enjeneng. U tla boela u hloke li-injection tsa OPC, pompo ea peterole ea Walbro 255, meter ea phallo, clutch, intercooler, exhaust ntle le converter catalytic, 'me ha e le hantle, yuniti ea taolo ea boleng bo phahameng.
fihlela qeto e
Ka kakaretso, re ka re enjene ea turbo ea Z20LET ke yuniti e loketseng 'me e ntse e iponahatsa e sebetsa hantle, ha e le hantle, haeba e sebelisoa khafetsa, ho sebelisoa lisebelisoa tsa pele le metsi, tšela peterole e ntle 'me u se ke ua khanna " moeli" oa bokhoni.
