IMHO, not needed. Also, you would need to have a closed-loop rudder cable system and/or an active rudder trim tab??
I have found that by keeping one's feet on the rudder pedals during cruise (as opposed to being flat-footed on the floor) the yaw tendency is reduced.
David Heal - Windsor, CA (near Santa Rosa)
EAA #23982 - EAA Technical Counselor and Flight Advisor; CFI - A&I
RV-12 E-LSA #120496 (SV w/ AP and ADS-B) - N124DH flying since March 2014 - 560+ hours (as of Oct 2017)!
through June 2018.
Last edited by DHeal : 04-10-2017 at 10:42 AM.