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Bowers Fly Bi-Baby B-1B


The prototype Fly Baby 1-B biplane, which first flew in 1969, could be converted from mono-plane to biplane in around an hour. The two monoplane wing panels are replaced by four smaller ones, plus a center section for the top wing. The biplane wings take longer to build, since there are four panels and a center section, and they're swept rather than straight. And there are some internal braces and external tangs that have to be added to the fuselage. This can be done after the fuselage is done (The prototype was converted after completion), but it is easier during construction. The biplane is slower, and the wings don't fold.

In monoplane or biplane configuration, the Fly Baby does meet the US rules for Sport Pilot.  In the United States, you do not need an FAA medical to fly a Fly Baby.

This plane is a structurally simple and easy-to-fly airplane designed to the requirements of the Experimental aircraft Association for home construction and storage in a space 7 x 8 x 20 feet, which is equivalent to the standard home garage. Great emphasis has been placed upon safe flight characteristics and good low speed performance for takeoff and landing at some sacrifice of high speed. The structure has been designed for standard airplane engines from 65 to 85 horsepower and the aerodynamic features are of sizes and proportions suited to obtaining the best all-around performance in this power range. Because of this, there is not enough advantage to be gained from using engines of significantly higher power to offset the cost and weight penalties. Increasing the power to increase the aerobatic capability is not recommended. Fly Baby will do simple recreational aerobatics very well but is not intended for rough air show or competition maneuvers.

Engine: Continental C-85, 85 hp.
HP range: 65-100.
Height: 7 ft.
Length: 18.9 ft.
Wing span: 22 ft.
Wing area: 150 sq.ft.
Weight empty: 651 lbs.
Gross: 972 lbs.
Fuel cap: 12-16 USG.
Speed max: 110 mph.
Cruise: 87 mph.
Range: 200 sm.
Stall: 45 mph.
ROC: 875 fpm.
Take-off dist: 350 ft.
Landing dist: 400 ft.
Service ceiling: 14,000 ft.
Seats: 1.
Landing gear: tail wheel.

Engine: Continental O-200, 100 hp
Wing span: 22 ft
Length: 19 ft
Empty wt: 651 lb
MAUW: 972 lb
ROC: 700 fpm


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