Radio Controlled Soaring Digest September 1992 Issue
Issue Contents:
Effects of Dihedral
Pancho makes a 2M legend using Falcon 600 fuselage.
Photos of models at 1992 11th annual Rose Bowl Soaring Festival are shown.
Dial Cord (pull-pull) system is described. Wire control cables of a specific length will shield your receiver antenna and could cause crash.
Grifter Sailplane is announced
CST is source for unidirectional carbon fiber. Elf Engineering hasobechi sheeted wings available in user selected lengths.
Polyester chiffon tape is used for hinges. Tape is coated with heat activated adhesive (Balsaright) to obtain adhesion of hinges to surfaces.
Corrections and clarifications are noted to instructions for the JR X374 radio. This radio has glider modifications which are available.
Response to M.Simons critique of Franks dive test for CG position. R/c Pattern ships trim for level flight regardless of trim.(also symetrical AF)
The design of a good club winch is described. Ford long shaft starter
Mini-1 28.5″ span
Large ships have high L/d ratios as well as higher speed and sink rate. They shouldn’t be hand launched from a winch. ROG is proposed.
The creation of dihedral and root spars in foam wings discussed. A novel sub rib is described which greatly simplifies construction.
Surprise II (ARF) by Freudenthaler (Ger) has balsa sheeted wings w/ servo wires installed. 7-27 cells
Attitude of model in slope flight requires a downward pitch with high lift conditions to avoid stall. If model rises fast
Differential ailerons and/or rudder deflection for flying wings is mathematically described.
Interglide 92 results. Great Race won by Joe Wurts
Chuck has a scale bald eagle which was made with molded body and built-up wing. More to be made in this project.
Radio Controlled Soaring Digest September 1992 Issue
