Saukewa: BMW HP4

(daga mujallar Avto 21/2012)

rubutu: Petr Kavčič, hoto: BMW

BMW HP4 dabba ce, mugu, bala'i, mugu, kyakkyawa kuma mai kyau wanda hakan zai sa ku sake gwadawa, ku kalli bayan sananne da aminci. Ina can, na hau, na gan shi har zuwa karshe, kuma daga karshe na rasa gamsuwa. Ina son ƙari! Satumba yana da zafi a kudancin Spain, inda tseren Jerez de la Frontera 'circuito de velocidad' ya bi ta cikin wani yanki na jeji inda 'yan tseren MotoGP da F1 ke fafatawa, wurin mafarki ga masu tuka babur da yawa.

BMW bai juyo ba kuma ya zaɓi madaidaicin wuri don tuntuɓar farko tare da sabon babur ɗin su. Akwai masu goge -goge suna jiran mu HP4, kowannensu yana da masanin injiniya wanda ya taimaka tare da saitunan kuma yayi rikodin bayanan telemetry a hankali, wanda (ba za ku yi imani ba) ana iya siyan shi akan eurosan eurosari na Tarayyar Turai, kuma a cikin wannan kunshin kuma kuna samun bayanan don saitunan. Daga cikin wadansu abubuwa, har ila yau gare mu mafi saurin hanya Hippodrome Grobnik (jeri na dutse ba shakka ba a cikin jerin ba). Bambancin da ke tsakaninmu da mahayan masana'anta yanzu ya fi ƙanƙanta, aƙalla a cikin kayan da mu duka za mu iya hawa daga.

Amma a lokaci guda, duk wannan fasaha na lantarki shine mutuwa ga muhawarar gidan abinci. Nawa ne ainihin "ƙone" da kuma yawan karkata zuwa wurin da ba za a iya yin rikodin taya a kan maɓalli na USB na yau da kullum wanda kuka shiga cikin kwamfutarka kuma bincika bayanan, saurin gudu, karkata, gearbox da aikin tsarin. a kan dabaran zamewa (BMW yana kiran wannan DTC).

Amma BMW HP4 ba duka bane na musamman saboda telemetry da serial na atomatik kunnawa inda, tare da cikakken maƙura kuma babu kamawa, kawai ku matsa sama ku ji gurnani da bugun ƙarar Akrapovich. Injin yana da 193 'dawakai', wanda yake daidai da S1000RR na jari, kuma Akrapovic yana ƙara ƙarfi da juzu'i tsakanin 3.500 da 8.000 rpm, wanda ke jin kamar bugun da ya fi yanke hukunci a cikin jaki lokacin da ka buɗe magudanar a kan fita kusurwa. Amma kasancewar babur mafi ƙarfi da haske mai ƙarfi huɗu bai isa ba.

A zahiri, ainihin juyin juya halin sa v dakatarwa mai aikida aka haramta a superbike. Wannan ƙa'idar aiki ta wuce shekaru 10 da haihuwa, wanda aka aro daga shahararren BMW 7 Series Sedan. Shugaban sashen cigaban dakatarwar yace cikin sauki: "Mun san cewa yana aiki, cewa babu rushewa a cikin wannan tsarin, kuma wannan shine mafi mahimmanci."

Tabbas na rubuta a baya cewa BMW wani lokaci ana dariya da cewa, shekaru 15 da suka gabata, an ƙara ABS a babur. Amma lokacin da suka shigar da ABS a cikin superbike, sannan sabon S1000RR, shekaru biyu da suka gabata, babu wanda ya sake yin dariya. HP4 yanzu sabon labari ne, ba sabon shafi ba ne a tarihin babur, amma na kuskura in ce farkon babi ne.

Da dakatar da aiki yana aiki! Wato, yana da kyau cewa koyaushe kuna da keken da ya fi dacewa don waƙa (ko hanya), yanayin hanya da salon hawan. Don sanya shi a sauƙaƙe: ƙarar da na tura a kai, da tsayin daka da kuma madaidaiciyar keken tseren ya zama, yana daɗaɗa shi a cikin pavement kuma, ba shakka, akasin haka. Idan hanyar ita ce abin da kuke so, kuna iya hawa cikin kwanciyar hankali.

BMW ya kira wannan tsarin DDC (Sarrafa Damping Control)... Amma, duk da haka, har yanzu dole ne ku '' danna '' preload da kanku. Duk wannan yana aiki ta maɓallin maɓalli a gefen hagu na matuƙin jirgin ruwa, inda kuka zaɓi yanayin injin da aikin ABS, sabili da haka dakatarwar aiki. Wataƙila ba da daɗewa ba zai zama babur ɗaya kawai tare da dakatarwar aiki, aƙalla idan masu fafatawa za su iya ci gaba da sabbin abubuwan fasaha. HP4 kuma yana da 'ƙaddamar da sarrafawa', ko kuma idan na yi ƙoƙarin fassara, tsarin yana farawa. Wannan yana aiki ne kawai a cikin injin injin mafi ƙarancin ƙarfi (mai santsi) kuma an yi shi don mafi kyawun farawa daga tsayawa, ka ce, don tsere. Da zaran na'urori masu auna firikwensin sun gano cewa dabaran gaba yana ɗagawa, kayan lantarki suna cire ƙarfin wuta daga injin.

Dakatarwa, tsarin farawa, ABS na wasanni masu kyau da birkin tseren Brembo ba zai zama abin da suke ba idan ba a gina su cikin HP4 ba. 15-saurin kulawar gogewar ƙafafun baya... Kuna iya yin wasa tare da saitin hanya ba tare da wata matsala ba, kamar yadda kayan lantarki waɗanda ke haɗa dukkan matsayin maƙura, masu karkatar da ƙura, ABS da madaidaicin kwakwalwar babur yana tabbatar da aminci da nishaɗi.

A cikin ragowar gabatarwa, na hau HP4 a cikin shirin wasanni, wanda ke nufin cewa farin haske, wanda ke nuna ɓarnawar ɓarna, ya zo sau da yawa. Yana da aminci ƙwarai, ba ku tsoron a ji rauni a bayanku bi da bi. Daga nan sai na canza zuwa shirin Race, wanda tuni ya ƙara wasu halaye na wasanni, kuma bayan rabin ranar wasa, an canza kekunan daga tayoyin Pirelli zuwa tayoyin tsere, kamar an yi amfani da su a tseren manyan motoci.

Mutanena, wace waka ce! A cikin Slick da kan tayoyi masu santsi, ya riga ya yi sauri. Sauƙaƙewar mashin yana da ban sha'awa, wani ɓangare saboda tayoyin tsere, wani ɓangare saboda ƙananan ƙafafun aluminium, wani ɓangare kuma saboda kyakkyawan dakatarwa, nauyi mai nauyi da firam ɗin babur. Yayin tuki, ina da sha'awar gaske, menene idan wani abu ya same ni cikin saurin 180 km / h akan gangarowa ta hanyar dogon juyi, a zahiri, zai fi kyau kada a kalli kantin kwata -kwata! Amma babu abin da ya faru. HP4 ya ci gaba da tafiya da kyau kuma ya sake tabbatar da cewa BMW da gaske ya san yadda ake tabbatar da cewa babur ɗin ya kasance a kan hanya.

Na kuma yi mamakin cewa kayan lantarki ba su tsoma baki cikin rashin ladabi lokacin da, alal misali, ina hanzarta daga kusurwa akan dabaran baya. A cikin mafi yawan shirye -shiryen wasanni, na'urorin lantarki suna ba da izinin doguwar tafiya akan motar baya, yana hana ɗagawa mai wuce kima lokacin da ta zama haɗari.

Amincewa da keken shine mabuɗin a nan, kuma yayin da nake annashuwa da sannu a hankali, mataki -mataki, dubawa da gwada abin da DTC da DDC suka yi, na yi murmushi kawai a cikin littafin rubutu na. Da kyau kamar yadda ya dace idan kun san cewa wani yana kare ku daga kanku. Domin taya yana zamewa lokacin da iskar gas ta yi yawa saboda haka yana da ƙarfi a ƙafafun baya, kuma yanzu kayan lantarki suna gano wannan daidai kuma cikin nutsuwa suna yin gargaɗi kawai tare da ɗan gajeren haske.

Na amince da ku, nawa aka sani a cikin da'irar, idan kun kwatanta BMW S1000RR da HP4 - wato, fasahar tseren tseren da ta fi ci gaba? BMW ya ce a da'ira kamar Jerez, HP4 yana samun kyakkyawan cinya na biyu. Yanzu ninka wannan ta adadin laps tseren nishaɗi yana dawwama… Kuna samun ra'ayin, daidai. To, wannan amfani yana da daraja wani abu, amma, abin mamaki, ba a biya shi a busassun zinariya ba. Kuna samun ƙarin tushe HP4 kaɗan 19.000 Yuroyayin da cikakken carbon ɗin da aka ɗora ko kuma mai sauƙin nauyi da buƙatun kayan haɗin gwiwa yana buƙatar ƙarawa ƙasa da dubu huɗu.

Ina fata wata rana wannan zai kawo mu kusa da kekunan MotoGP, saboda wannan tiger ya nuna haƙoransa sosai a Spain. 2,9 seconds daga 0 zuwa 100 km / h kuma babban gudun kusa da 300 km / h ba shi da sauƙi.