Torsional crankshaft ije na harmonics

Oge ọ bụla otu cylinder gbara ọkụ, a na-etinye ike nke combustion na akwụkwọ akụkọ mkpanaka crankshaft. Akwụkwọ akụkọ mkpara na-atụgharị n'ime mmegharị ahụ ruo n'ókè ụfọdụ n'okpuru ike a. Mmaji ndị na-emekọ ihe na-esi na mkpagharị torsional na-ebute na crankshaft. Ihe nkwekọ ndị a bụ ọrụ nke ọtụtụ ihe gụnyere ugboro ugboro nke ọkụ ọkụ na-emepụta na ugboro ugboro nke ọla na-eme n'okpuru nrụgide nke combustion na mgbanwe. N'ime ụfọdụ injinia, mmegharị ahụ nke crankshaft n'otu ọsọ nwere ike imekọrịta ya na ịma jijiji nke kwekọrọ, na-eme ka ụda olu. N'ọnọdụ ụfọdụ, resonance nwere ike imesi ike crankshaft ruo n'ókè nke mgbawa ma ọ bụ ọdịda zuru oke.