Towed by car, the B-19 becomes airborne at about 23 mph. Flight is completely pilot-controlled, limited only by the length of the tow cable. By adding a cable release, once airborne the pilot may free the craft for unrestricted soaring.
The B-19 may easily be converted at any time to the powered B-20, as is fully detailed in the same Construction Plans.
Engine (original): McCulloch 4318 Horsepower Range: 45 to 70 Height: 6 ft Length: 10½ ft Width: 5½ ft Empty Weight (minus engine): 150 lbs Empty Weight (with engine): 230 lbs Gross Weight (max): 530 lbs Payload Weight: 300 lbs Rotor Diameter: 21 ft Rotor Chord: 7 in Disc Loading: 1.53 lbs/sq ft Maximum Speed: 90 mph Airframe construction: welded steel tubing Control System: joystick; rudder pedals Cruise Speed: 60 mph Take-off Speed: 30 mph Rate Of Climb: 1,000 fpm Maximum Altitude: 12,000 ft