First test run, found the following issues: 1) Roll cage is in way of control arms. Solution: add braces to roll cage 2) Left Pilot cradle shin housing is loose. Solution: add brace to housing 3) Difficult to insert legs into shin cradle. Solution: see #4 4) Thighs are too short- pilot reported compression on thigh muscles. Solution: compound (double jointed knee) - will lengthen leg and provide more flexibility 5) Left arm frozen. Solution: adjust tension on control cables & lubricate.