Would a Phoenix Isere be OK for the Adirondack 90 Miler. Its 14'9" x 24.5 " and light enough to carry, maybe 32lbs. Does that seem fast enough, not to win, but just to move along and get off the water at a resonable time.
Young Stud? I am and old Fa*t and carried a Big Blue Minn2 at about 50 pounds up hill on the 90 miler. A young stud should be able to do it witha Grumman!