■ 本功率曲線圖的特定條件主要是: ■ The main characteristics of this power graph are as follows:
△小鏈輪齒數為19; △鏈條長度為120個節距; △傳動比從1 : 3到3 : 1; △鏈傳動的預期使用壽命為15000小時。
For drive Zs=19 Chain length: 120 pitches Transmission ratio: 1 : 3 to 3 : 1 Service life of chain: 15000 hours