Ned, Bill said it right. On a level floor, having the windowsills level is the desired goal. Just to check since the floor might have a subtle slope, get it level and then turn the plane 180° to be sure it's still level.
Measuring tail height (the highest point on the stabilizer/rudder) is just a field expedient to see if you're close. By the tail height measurement it'll be 75" high on a single fork nose gear plane and about 76.5" high on a double fork nose gear plane. Ed Burkhead http://edburkhead.com/Ercoupe/index.htm East Peoria, Illinois ed -at- edbur???khead.??com (remove the ? marks and change -at- to @)
