Standard build (slow build went away in the mid 1990s) hands down. Nothing difficult in the wings. Building fuel tanks is messy and smelly but not difficult.
QB tanks are not guarantied not to leak and often do.
My $.02 worth!
Mel Asberry, DAR since the last century. Over 1,000 certifications accomplished. Discount for Veterans, Law Enforcement, Fire Fighters.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)