Fli-Bi (oz9916)

 

Fli-Bi (oz9916) by MA Garland 1974 - plan thumbnail

About this Plan

Fli-Bi. Radio control sport biplane model for small field flying. A compact, 40-1/2 in span aerobatic biplane with a good performance on 3-5 to 5 cc. motors.

Quote: "FLI-BI is an aerobatic biplane designed to be flown from a small field with a 25 size motor and capable of being hand launched if R.O.G. conditions are not suitable.

It will fly smoothly in most weather conditions and will loop, roll, fly inverted, spin and fly really tight turns. I made it a one-piece model, gluing wings in position so that I could just take it out of the car and fly in the lunch hour. If this creates a transport problem, the addition of a wing platform would allow the wings to be held in place with rubber bands and dowels. Construction is simple but strong and capable of withstanding the 'heavy landing'.

Fuselage. This is of ply and balsa construction. Begin by cutting the basic sides to shape and gluing 3/16in strips, braces, etc into position. Then cut the 1/8 in and 1/16 in sheet doublers, noting the direction of the grain.

While the fuselage sides are setting, cut out all the formers and the two ply cabanes. Although the cabanes may appear thin, they have proved to be quite strong, provided you use good quality birch ply. Now glue these in position. Glue sides together at F3 and F4 and allow to set, checking that they are square and formers vertical. Pull the tail end of the fuselage together, chamfering 3/16 strip prior to gluing and hold in position with a clothes peg or sticky tape.

The engine bearers are of 1/2 in x 3/8 in beech and these should now be fitted to F1 and F2, then glued in position between the fuselage sides. Once again, check for squareness and also down-thrust angle. Formers 5-7 can be added and then the stringers, followed by the bottom, together with the tailskid which is sewn to a ply plate and glued to the fuselage sides..."

Fli-Bi, RCM&E, February 1974.

Direct submission to Outerzone.

Supplementary file notes

Article pages, thanks to RFJ.

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Fli-Bi (oz9916) by MA Garland 1974 - model pic

Datafile:
  • (oz9916)
    Fli-Bi
    by MA Garland
    from RCME
    February 1974 
    41in span
    IC R/C Biplane
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 07/03/2018
    Filesize: 726KB
    Format: • PDFbitmap
    Credit*: Circlip, RFJ
    Downloads: 667

Fli-Bi (oz9916) by MA Garland 1974 - pic 003.jpg
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Fli-Bi (oz9916) by MA Garland 1974 - pic 004.jpg
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Notes

* Credit field

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Scaling

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