Radio Controlled Soaring Digest June 1988 Issue
Issue Contents:
Good results experienced with NASA leading edge droop on 2M ship.
The construction of a good turn-around is shown in some detail.Uses materials and tools which can be obtained by the average person.
A powerstat is used to control the rate of charging of winches.A light timer controls the charging of radio and winch.
RCSD Databases are available free from Bear’s Cave BBS as text files.(414) 727-1605
Algebra 4M is unveiled. Design uses S3021 or E392 A/r = 20:1 151″ span
A system for running two selanoids on a winch with test lights.A test button shows status of selanoids.
A sanding block is shown to allow the user to inset 1/64″ ply into balsa. Windsong flaps require this for stiffness.
Geodetic wing construction gives lightweight but strong wingsComputer program using HP computer was created. Provoker model shown.
Finishing with cloth & dope is described in good detail to give fine finish Fiberglass cloth is used over balsa. Dope and baby powder used as filler.
Soaring trends in New Zealand are reviewed.8 min max w/ man-on-man replacing conventional 6 min max
Good Products: Graupner Hinge Tape
1/8″ Balsa/kevlar-polyester Resin/1/32″ Plywood lamination is used as sides. Very strong fuselages are obtained.
An electric powerpod design is shown for launching with Astro .05 motor.The system shown was marginal on 120″ span model. 8 cells used.
Michael Selig to be a future contributer to RCSD. Princeton tests underway Additional models needed for testing.
Contests formats are discussed as practiced in different contries.An international thermal duration format should be developed.
Ultima High Tech Thermal Duration Glider Design Shown in 3 viewsFrom Sealy’s Quality Fiberglass 129″ span
Radio Controlled Soaring Digest June 1988 Issue