RCM 1977-02 – Whither Thermal Soaring – Don Burt
Page Updated 01/16/2023
Interesting early discussion about rules for soaring contests
Radio Control Modeler published many articles over the years on all aspects of Soaring and Sailplanes
Whither Thermal Soaring
RCM 1977-02 – Whither Thermal Soaring – Don Burt
