At 625 lbs. This aircraft is available in either kit form, or built to specifications. These molds are capable of producing elevated cured graphite parts that are dimensionally stable. These molds are not to be confused with polyester fiberglass, which are a fraction of the cost and do not remain dimensionally stable. As we all know drag on an aircraft is induced in many ways.
Rivets are among the worst.
Not only the rivet itself, but also the dirt pattern that builds almost immediately after cleaning. Rivets and irregular surfaces have been eliminated on our parts. Keeping the surface smooth and clean is immensely easier. Corrosion is a phenomenon that can not be eliminated in metal, and aluminum is among the worst. It is second only to magnesium.