Radio Controlled Soaring Digest April 1992 Issue
Issue Contents:
Ing. Ferdinando Gale’ book Aerodynamic Design of Radio Guided Sailplanes Dual language book. Text appropriate includes airfoils
A control system which functions on a rotating wire bent at 45 degrees. allows for clean and precise operation.
Contender 2M sailplane announced
Spirit 100 construction tips are noted which offer improvements and corrections to original notes.
A vacuum feed through fitting design is shown and described.Leaks are minimized and bags can be easily sealed.
Goldberg Sophisticated Lady modifications are enumerated. Flying stab slotted flaps
Dodgson Anthem with SD7037 is a Lovesong update. Computer radios required. Carbon fiber spar
Frank describes hot to establish trim for minimum speed and maximum L/d Minimum speed allows controlled landings in wind without turning.
Pitch stability is described and compared to conventional designs. Eppler 220-230 series is well fitted for this purpose.
Electric Falcon is described. This is a report on work in progress.The electric Chuperosa with .035 motor and 6 cells is being developed.
One design slope plane
Landing and final approach considered. Rotors
Safety for crowds: Qualify flyers (landing skills
Gordon describes trimming of sheeting
More on flying in wind. Do not confuse air speed and ground speed.Strong argument against upwind-down wind pitching theories.
Funny story about retrieving his model from the slope after things go wrong with the wind and recovering the model.
Radio Controlled Soaring Digest April 1992 Issue
