Radio Controlled Soaring Digest September 1988 Issue
Issue Contents:
Wing leading edges and wingtips were investigated. Qualitative results. Drooped LE = >sink rate
Wax paper pulled over a fiberglass repair leavs a smooth surface.
A modification to Ace sniffler is proposed to eliminate effect of elevator. A dapened venturi tube ignores pulling up of the nose by pilot.
Bob takes issue with statements made about Lovesong and Windsong designsBob looks at the whole design and discourages kit changes being promoted.
Sources for RCSD database
Apathy from AMA re: soaring activity may empower NSS to sponsor US contests CIAM and NAA being asked to sanction NSS to represent soaring enthusiasts.
Progress W/ Princeton wind tunnel discussed. Comparisons of polars givenE205
Reynolds Number vs flight speed & chord and Cl vs flight speed & W. loading Chart were ploted and displayed.
Bob used his car parked in sun to cure FG fuse. Also current drain of radio. Two new receivers took 8.5 & 22 mA.
The Percentage Slot method of scoring is discussed. Resembles Man on Man Each round is divided up into slots and scores are based on longest flight.
Altimeter development status. A company at Toledo Show had telemetry eq. One of four functions were displayed on the ground. Details unknown.
Cortina kit from Multiplex is reviewed. It’s fast but stable.
Evander 60″ span sailplane is described and problems listed
Specifications given for winches motors and batteries – no flywheels. Standards are hard to measure. Lighter sailplanes are being developed.
SB-13 Flying wing is shown in 4 fiews and discussed in article (p2)An organization for the development of flying wings is indicated.
Radio Controlled Soaring Digest September 1988 Issue