Field testing of recoverable sounding systems in South Africa.
Photos

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01: Davis Egle with the powersonde in an office at the Irene Weather Office.

02: The trailer, with Lucian Banitz and Davis Egle, that was used to tow the equipment to the flying field (and used to mount the telemetry receiver).

03: Glidersonde in foreground and powersonde in background.

04: Preparing the glidersonde for a flight, piggybacking on a motorized plane.

05: Ready to go piggybacking of the glidersonde. This mode of lifting the glidersonde did not work - the plane did not have enough power to lift off the runway…

06: Activity at the flying field…

07: Davis Egle with the powersonde…

08: ground testing the powersonde…

09: filling with fuel… The gas engine was 2.4 cubic inches (40 cc)

10: Lucian Banitz carrying the powersonde back from the runway after a flight