Semi-motor: Gịnị bụ ọkara moto?Nduzi moto gị hemisphere

Enwere okwu mgbasa ozi a ma ama na North America: "Ee, o nwere Hemi" . Ma okwu ise a zuru ezu iji mee ka ndị na-egwu ụgbọ ala arụmọrụ doo anya na nlele. N'ezie, nke a abụghị ajụjụ dị mfe ịza, n'ihi na n'ezie usoro engine anọ nke ezinụlọ Chrysler niile na-ebu akara ahịa Hemi. Otu n'ime ha bụ ezinụlọ nke osisi ike pụrụ iche na Australia. N'otu oge ahụ, gịnị bụ (obere "h") ọkara engine? Ihe niile na-adaba na ọdịdị nke ụlọ combustion; Oghere dị na injin ebe ikuku na mmanụ ọkụ na-ere ọkụ n'ezie iji mepụta torque, nke bụ ike na-atụgharị crankshaft na n'ikpeazụ wiil nke ụgbọ ala. Gịnị ka Hemi pụtara? N'ụzọ bụ isi, udi nke a combustion ụlọ dị ka a ọkara tenis bọl, ma ọ bụ roughly hemispherical, ya mere ọ bụ hemispherical.This na-etinye spark plug roughly n'etiti etiti combustion ụlọ iji nweta ezi ire ọkụ propagation na-enye ohere iji nnukwu ihe oriri na valvụ iyuzucha (valvụ buru ibu pụtara ikuku na mmanụ n'ime na pụta). Ntugharị na-agafe ebe ikuku na mmanụ ụgbọala na-esi n'otu akụkụ nke ụlọ ọkụ na-esi n'akụkụ nke ọzọ pụta na-enyekwa aka melite arụmọrụ zuru oke. Chrysler abụghị naanị onye na-emepụta ụgbọ ala na-eji ụlọ ọkụ na-ekpo ọkụ na-ekpo ọkụ, ma n'ihi anwansi nke ịzụ ahịa, ọ ghọwo akara kachasị na nhazi ahụ. N'ihe dị ka 1907, Fiat ghọtara ikike nke imepụta ọkara ma jiri ụgbọ ala Grand Prix butere ya na egwu ahụ. N'ụzọ na-akpali mmasị, ọbịbịa nke isi cylinder multi-valve mere ka mmepụta nke engines nwere atụmatụ hemispherical n'ihi na ọ dị mma maka nnukwu valves abụọ karịa obere valves anọ. Ma n'ime afọ ndị gafeworonụ, ọtụtụ ndị na-emepụta ihe ejirila ọkara imewe, ọ bụrụgodị na ha akpọghị ya otú ahụ n'ihi na ha na-atụ egwu inye Chrysler free kick. N'ihe gbasara Chrysler, injinia izizi jiri nhazi Hemi bụ igwe eji arụ ọrụ agha na tankị na ụgbọ elu ọgụ. Ọgwụgwụ nke agha na osooso nke jet afọ gburu ndị a ọrụ abụọ, ma Chrysler's engineer hụrụ uru nke a nkà na ụzụ na-eji ya na a usoro nke ụgbọ ala engine, nke e ji mee ihe n'ime afọ mgbe Agha Ụwa nke Abụọ. Naanị malite ire ere. Emepụtara ọgbọ mbụ nke Hemi V8 site na 1951 ruo 1958, na-anọchite anya mmepụta mbụ nke Chrysler n'elu valvụ V8. The lineup malitere na 331 cubic inches (5.4 lita) nke "FirePower" na "FireDome" engines ma mesịa mepụta 392 Hemi (6.4 lita). ). Mana ọ ka mma ịbịa. N'afọ 1964, ọgbọ nke abụọ nke Hemi pụtara na North America. Hemi 426 cubic inches (7.0 lita) ka e bu ụzọ mepụta maka ịgba ọsọ NASCAR. Ụfọdụ ndị na-akpọ ya engine enyí n'ihi na ọ buru ibu n'anụ ahụ́ ya, ma kemgbe ahụ ọ na-achịkwa ụwa ịgba ọsọ a na-adọkpụ. N'ikpeazụ, NASCAR machibidoro ya maka ịdị ngwa ngwa, 426 Hemi chọtara ebe ọ na-enye ike ụfọdụ ụgbọ ala anụ ahụ Chrysler, gụnyere Plymouth Barracuda (nke a makwaara dị ka Hemi Cuda nke nwere engine a) Road Runner na GT-X yana Dodge. , Challenger na Super Bee gụnyere chaja. Ụfọdụ tuners jisiri ike gbasaa 426 ruo 572 Hemi, na ndị a dị ugbu a dị ka crate engines maka aftermarket. N'okwu a, ndị mmadụ ga-echekwa banyere Chrysler's 440 cubic inch V8, ma 440 abụghị n'ezie Hemi imewe, kama site na Chrysler's "Magnum" ma ọ bụ "Wedge" usoro V8. (Ị nwere ike ịzụta 440 Hemi ugbu a, ma ọ bụ ya. ihe atụ nke aftermarket Hemi crate engine dabere na ọgbọ nke atọ V8 Hemi.) N'ikwu okwu banyere nke a, Chrysler nke atọ V8 usoro iji akara Hemi pụtara na 2003 n'ụdị 5.7 lita, wee malite na 6.1 ma ọ bụ ọbụna 6.4 Hemi. nchụpụ. Ọtụtụ ndị ọkwọ ụgbọ ala Australia ga-ama nke ọma na injin ndị a n'ihi na ha na-eme ka ụdị V8 nke ụdị Chrysler 300C malitere ebe a na 2005. N'ụdị ikpeazụ ya, Hemi V8 na-esote nwere ike iji ụdị 6.2-lita nwere nnukwu chaja, nke na-emepụta ihe karịrị 700 horsepower. (522 kilowatts) nke ike, na-enye Dodge chaja na Challenger Hellcat ụdị na US ahịa. A na-erekwa ya na Hemi Jeep Grand Cherokee nke Australia yana nnukwu Cherokee Trackhawk kwadoro Hellcat. A na-ewepụ injin Jeep Hemi ozugbo na katalọgụ akụkụ Chrysler n'ihi na ụlọ ọrụ abụọ a nwere ọnụ. N'oge na-adịbeghị anya, Australia ahụwokwa ịrị elu nke akụrụngwa RAM na North America, karịsịa RAM 1500 Hemi engine n'okpuru nnukwu mkpuchi ya. Mana enwere ụdị ọzọ nke Chrysler Hemi, nke ndị nwe ụgbọ ala Australia nke afọ ụfọdụ ga-ama nke ọma. N'ihe dị ka afọ 1960, ụlọ ọrụ American Dodge na-achọ engine ọhụrụ iji dochie engine gwongworo isii nke na-enye ya ọrụ dị mma nke na-enye ya ọrụ dị mma. oru ngo. Nke a bụ ebe Chrysler Australia (dị ka akụkụ nke ezinụlọ Chrysler zuru ụwa ọnụ) batara wee weghara ọrụ ahụ, na-emecha mmepụta nke ọmarịcha 215 Hemi, Hemi 245 na 265 Hemi inline isii cylinder engine design, nke nyere ike na ike maka ọtụtụ ọgbọ nke Valiant ụgbọ ala. Utes na 1970 na n'ime 80s. Ogo nke engine Aussie Hemi sitere na 3.5 lita (215 cubic inches) ruo 4.0 lita (245) na 4.3 lita (265) .Mgbe etinyere na gwongworo ọkụ na ute nke nwere akara Dodge, a na-akpọkwa ha Dodge Hemi. Ọ bụ ezie na ọ bụghị a V8, ndị a engines nwere niile arụmọrụ na a otutu torque nke a obere displacement V8.The kacha version nke 265 cubic inch (4.3 liter) version e onwem na atọ Weber carburetors wee merie ebe atọ na Bathurst (afọ ahụ). Peter Brock bu ụzọ merie na Panorama Mountain) na 1972. A na-akpọ ya "mkpọ isii" n'ụdị a, ọ bụkwa otu n'ime ụgbọ ala muscle kachasị mma (na nke kachasị mkpokọta) na akụkọ ihe mere eme nke mba a. Amara maka ịdị ike na ịdịte aka ya, nnukwu nsogbu ntụkwasị obi nke Hemi 6 dị n'Australia bụ ọnọdụ adịghị mma nke camshaft, nke na-eme ka ọ "na-aga ije" n'ogologo engine. Mgbe nke a mere, oge ọkụ nwere ike ịtụfu. Ọ dịkwa mma ịkọ na Aussie Hemi 6 abụghị n'ezie Hemi ma ọlị. Onye isi cylinder anaghị eji nhazi nke obe na-asọ asọ, ụlọ ọkụ na-ekpo ọkụ enweghịkwa ọdịdị nke "ezigbo". Akara Hemi bụ ihe gbasara ịzụ ahịa karịa injinia, mana obi abụọ adịghị ya na ọbụlagodi ugbu a, nzere arụmọrụ nke injin ahụ bụ otu. Ịzụta Hemi ugbu a iji kwọgharịa ụgbọ ala ma ọ bụ rụchaa ọrụ ga-adabere na injin nke ị na-azụ. Ọgbọ mbụ American Hemi V8 na-adịwanye ụkọ, ma ị nwere ike ịkwụ ụgwọ puku kwuru puku dollar ngwa ngwa maka injin chọrọ nrụzigharị zuru oke. Otú ahụ ka ọ dịkwa maka akụkọ ifo nke abụọ Hemi 426. Ọ ga-esi ike ịchọta otu, mgbe ahụ, ịchọrọ ọtụtụ dollar iji wepụ ya n'aka onye nwe ya. Ọgbọ nke atọ Hemi dị mfe ịchọta, ma ọ bụ ebe mkpọmkpọ ebe e hibere dị ka ngwa eji eme ihe ma ọ bụ injin crate n'okpuru ọnọdụ ọhụrụ. Ngalaba na-arụ ọrụ na-amalite injin crate n'ọnụ ahịa ihe ruru dollar 7,000. Ọnụ ahịa ahụ na-amalite site na puku dollar ole na ole gaa na 20,000 dollar nke Hellcat crate engine. Maka Hemi 6 dị n'Australia, ndị na-agba ọsọ nke abụọ na-efu narị dollar ole na ole, ma dabere na ebe ịzụrụ na nkọwa ikpeazụ nke engine ahụ, ọnụahịa igwe arụzigharị ga-adị elu dị ka puku kwuru puku dollar. N'ụzọ ọ bụla, ị ga na-azụta igwe eji eme ihe ma ọ bụ arụzigharị, yabụ biko buru ụzọ lelee mgbasa ozi ahịa Hemi engine.