anyway u can using trex parts on walkera 36, but the walkera still a walkera unless you spend thousand dollars upgrade from toe to teeth... and it still not a trex. so the best of all is going to get a real trex.. 600 dollar is over-paid . helihobby.com sell the newest kit with motor and esc for $249, or a RTF for under $ 600, beside helihobby.com is the most truth in rc heli. rc-experts.com said they are expert???? but they are not...to be honest