THANKS EVERYONE FOR THE WARM WELCOME!!!!!!! OOPS SORRY XIBOWHUNTER I WILL STOP YELLING[:-]. hello rack-attack, triplespool is a aircraft engine built buy rolls royce. it has 3 spools instead of 2 like the g/e and pratt engines. well enough aircraft talk lets go hunting!!!!!! TAKE CARE AND SAFE HUNTING....OOOOPS DID IT AGAIN BUT I`M HARD HEARING. HA HA