Broadly speaking, the larger the propeller the smaller is the loss of power through slip and the sternward velocity of the slipstream or race, and the greater is the efficiency.
Ukuthetha ngobubanzi, ukubakhulu besiqhubi, bubuncinci belahleko yamandla kutyibiliko kunye nomva wenqanawa wesantya somsinga wotyibiliko okanye uqgatso, kunye nokubakukhulu kwenkuthazo.