Sabuwar injin don BENTLEY Bugun iska

Injin motar farko a cikin jerin Bentley Mulliner Blower Continuing Series an fara ƙaddamar da shi a kan gado na gwaji na musamman da aka shirya a Bentley's Crewe.

Jerin Ci gaba na Blower jerin sabbin wasanni 12 da aka gina na ɗayan shahararrun Bentleys na kowane lokaci, babban cajin "Blower" mai girman lita 4½ wanda Sir Tim Birkin ya gina don tsere a ƙarshen 1920s. Wadannan motoci guda 12, wadanda suka zama jerin jerin jerin gwano na farko a duniya kafin yakin, an riga an sayar da su ga masu tara kaya da masu sha'awar Bentley a duniya.

Lokacin da samfurin injiniya na aikin - Car Zero - ya riga ya ci gaba, Bentley Mulliner ya sake ƙirƙirar injin farko tare da goyon bayan ƙwararru daga kwararru. Yayin da ake kera injin ɗin, ƙungiyar injiniyoyin Bentley sun fara aikin shirya ɗaya daga cikin gadaje na haɓaka injiniyoyi huɗu a hedkwatar Bentley da ke Crewe don karɓar injin ɗin. Na'urar gwajin injin tana a Bentley tun lokacin da aka gina masana'antar a cikin 1938, kuma an fara amfani da ɗakunan ne don yin aiki da gwajin injinan jirgin Merlin V12 da masana'antar ta kera don yakin duniya na biyu na Spitfire da mayakan Hurricane.

Shirye-shiryen gado na gwaji ya haɗa da yin kwatankwacin abin hura wutar gaban don ɗora injin, wanda daga nan za a ɗora shi a kan injin dyno mai sarrafa kwamfuta. An sake rubutawa da gwada sabon sigar auna injin injin komputa da sarrafawa, wanda ya baiwa injiniyoyin Bentley damar saka idanu da gudanar da injin din zuwa daidai sigogi. Saboda watsa Blower ya banbanta da girma da sifa daga injunan Bentley na zamani, an yi amfani da wasu keɓaɓɓun ɗakunan gwajin Merlin na asali, waɗanda har yanzu suna ajiye a Bentley, don daidaita bencin gwajin don dacewa da waɗannan injina na musamman.
Lokacin da aka sanya injin din gaba daya, farkon farawa ya faru makonni biyu da suka gabata, kuma injin na farko yanzu yana kan wasu jadawalin hutu kafin a gwada shi da cikakken iko. Za'a gwada injina akan zagaye na awanni 20, a hankali yana kara saurin injin da yanayin daukar kaya daga rago zuwa 3500 rpm. Bayan kowace injiniya ta gama aiki, za'a auna mai lankwasa ƙarfin wuta.

Tare da benci na gwajin sama da gudana, mataki na gaba don injin Zero na Motar zai zama ainihin abin dogaro. Lokacin da motar ta cika, za ta ƙaddamar da shirin gwaje-gwajen waƙa, gudanar da zaman a hankali ƙara tsawon lokaci da sauri, aikin gwadawa da aminci a ƙarƙashin ƙarin yanayi masu ƙalubale. An tsara shirin gwajin ne domin cimma kwatankwacin kilomita 35 na hakikanin kilomita 000 na tukin titinan, kuma an kwaikwayi shahararrun taruka irin su Beijing-Paris da Mille Miglia.

4½ lita mai caji sosai
Sabbin injunan Blower sune abubuwan injina wadanda suka baiwa Team Blowers Tim Birkin guda hudu tsere a karshen shekarun 1920, gami da amfani da sinadarin magnesium a cikin akwatin.
Injin Blower ya fara rayuwa a matsayin injin 4½ lita wanda VO ya tsara. Bentley. Kamar Bentley-lita 3 da ke gabansa, 4½-lita ya haɗu da sabuwar fasahar injin guda ɗaya ta yau - camshaft sama da sama, wutar tagwaye, bawuloli huɗu a kowane silinda kuma, ba shakka, Bentley's yanzu almara pistons aluminum. Sigar tseren injin WO mai nauyin lita 4½ ya haɓaka kusan 130 hp, amma Bentley Boy na Sir Tim Birkin yana son ƙari. WO ko da yaushe yana jaddada aminci da gyare-gyare akan iko mai ƙarfi, don haka maganinsa don neman ƙarin iko koyaushe shine ƙara ƙarfin injin. Birkin yana da wani shiri - yana so ya sake shigar da 4½, kuma wannan ra'ayin, a cewar WO, "lalata" ƙirarsa.

Tare da tallafin kuɗi daga hamshakin attajirinsa Dorothy Paget da ƙwarewar fasaha na Clive Gallop, Birkin ya umarci ƙwararren babban caja Amherst Villiers ya gina babban caja na 4½. Wani babban caja mai nau'in Tushen-wanda aka fi sani da babban caja—an saka shi a gaban injin da radiator, kuma an kora shi kai tsaye daga mashin ɗin. Canje-canje na ciki ga injin ɗin sun haɗa da sabon, ƙaƙƙarfan crankshaft, ingantattun sanduna masu haɗawa, da tsarin mai da aka gyara.

A cikin salon tsere, sabon injin Birkin mai cajin 4½-lita yana da ƙarfi, yana samarwa kusan 240 hp. Don haka, "Blower Bentley" yana da sauri sosai, amma, kamar yadda WO ya annabta, kuma yana da ɗan rauni. Masu Blowers sun taka rawa a tarihin Bentley, ciki har da taimakawa wajen tabbatar da nasarar Bentley Speed ​​​​Six a Le Mans a 1930, amma a cikin tseren 12 da Blowers suka shiga, nasara ba ta taba samun nasara ba.