The stable, roomy and easily driven hull is generally powered by seven to ten horsepower compound steam engine driven from a five horsepower boiler. A variety of interior arrangements have been utilized as each launch is custom built to suit the owner's requirements. She has been used as a tour boat for up to eleven passengers. She turns well and may by safely handles by a single person. The rudder is large and counterbalanced so that the boat handles well ahead or astern.
Fuel is stored to the sides beneath the perimeter seating.
She is generally equipped with a canopy, drop down curtains, and seat cushions. A personalized specification is developed for each owner so that he is assured of obtaining a boat the is uniquely his. The Mase 22 is also powered by electric or diesel systems. With such recommendation we decided that we had finally found a fantail worth reproducing. Our past experience with the Rose 20, as well as with other common fantail hulls, has indicated the popularity of the fantail launch, however its tendency to squat underway has always been a serious disadvantage.