BUILDING

We are halfway through ! We have started this incredible adventure  two and a half years ago and we should be able to contemplate Spirit of Sion, ready for liftoff, in about 30 months ! Until then, we still have plenty of work… Early September 2020 we start building...

They are the ones which allow flight, 2 principles combine to explain how lift is created in order to defeat gravity and allow the magic of flight : Bernoulli principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in static...

During our 2010 round the world flight our CTLS were capable of staying airborne for 22 hours and travel 1/10th of Earth circumference in one leap ! Extended Range, the goal of this “project within the project” is to double the range of our RV-10 and...

May 2019, The wing construction has started ! Few hours after opening the crates we were already at work. The knowledge gained while building the empennage greatly help the understanding and allow us to be rapidly to the heart of the matter. We start with the main...

7 May 2019 the empennage is completed ! The empennage is a series of fix and moveable surfaces ensuring aircraft stability and maneuvering in pitch and yaw. The tail cone also part of the first kit is completed as well. Oh Happiness, after months of building, to...

Or explanations on the methods and technique used to build a kit plane… The plans are the live wire of the built, it’s a real pleasure to work with them, all steps are very detailed, you just have to follow through, page after page, like reading a good...