At the Hirth engine Booth- an Aircooled 80HP engine, designed for trikes originally
This one is a 4 cylinder boxer engine. Weighs a lot less than Rotax 80hp and costs about half. They also have a water cooled 80hp Hirth with inline 3 cylinders.Inversion Layer @ 5000 ft - flying down the birdsville track in a PINK Edge trike - Australia
...video production you may see soon.. and the trike was VERY pink..! How is this line in the sky.. full inverted, and blowin about 30 to 40 knots on the ground.. not a bump above the inversion!...