Welcome to Episode #69 of The Thermal.

In this Episode of The Thermal, the Piper Pawnee has issues. Wing spar issues to be exact…we get an update from the Soaring Society of America's Ken Sorensen.

Electric Gliders and engine failure. Do you lock the prop or let it spin? The manual says one thing but real-world data says another. We talk to a glider pilot boffin who used his own glider as a test bed.

And a new book called Why We Fly is a wonderful journey into our relationship with flying. We speak to author Caroline Paul about her lifelong obsession with flight.

That's all on Episode #69 of The Thermal.

On Episode #68 of The Thermal - from stifling heat to well below zero…a crazy diamond height climb in Australia. We talk to the pilot who paid careful attention to the forecast and bagged his long sought after Diamond

And while we're south of the equator…an interview with SkySight Founder Matthew Scutter on 10 years of SkySight..a slew of new weather features and what kind of gliding challenges still appeal to this world class glider pilot.

That's all on this Episode of The Thermal.

In Episode #67 of The Thermal, recording breaking flights in Australia. We speak to the pilots that just broke the continental distance record.

And going on safari in South Africa…a gliding safari. We chat with one of the pilots that was part of this epic adventure.

That's all on Episode #67 of The Thermal.