"Wayback Machine" pán-pún chi-kan bô-kāng--ê tē-hng

*[[Kau-chha hoán-choán soân-e̍k]] (kau-tsha huán-tsuán suân-i̍k; [[eng-gí]]: intermeshing rotors, synchropter; [[hàn-gí]]: 交差反轉旋翼)

*[[Tông-tio̍k hoán-choán soân-e̍k]] (tông-tio̍k huán-tsuán suân-i̍k; [[eng-gí]]: contra-rotating propellers (CRP), coaxial contra-rotating propellers, high-speed propellers; [[hàn-gí]]: 同軸反轉旋翼)

*[[Tông-tio̍k soân-e̍k]] (tông-tio̍k suân-i̍k; [[eng-gí]]: coaxial rotors; [[hàn-gí]]: 同軸旋翼)

*[[Chhoàn-liân soân-e̍k]] (tshuàn-liân suân-i̍k; [[eng-gí]]: Tandem rotors; [[hàn-gí]]: 串聯旋翼)