Spektrum SPMA9589 Aircraft Telemetry Variometer Sensor Delaware & Hudson 71mm (1pc)

71mm (1pc)

Kien Hung/KHLU

unrestricted power flow from the batteries to the brushless power system

hardened steel nut drivers

Spektrum SPMA9589 Aircraft Telemetry Variometer Sensor Delaware & Hudson 71mm (1pc)Spektrum SPMA9589 Aircraft Telemetry Variometer Sensor The variometer is a telemetry sensor for sailplanes that indicates the rate of ascent and descent via an audible tone using select Spektrum transmitters*. This provides an indicator to the pilot when the sailplane is in a thermal of rising , or sinking air. By knowing when the sailplane is rising or sinking, the pilot can keep the sailplane in rising air and out of sinking air providing longer