RE: Quique Somenzini YAK-54S 73"
I have the HT 5645s on my BME Yak.Their on the elev. and ailerons. and the big 5955 for Rudder. Their all running on lith-ions 6v. So far they seem like a great servo. I would deffinetly go with a strong rudder servo. It's the most demanding surface..
Later,
Frank