Category: Engine

Engine On The Way

Coming soon to my workshop: a Rotax 915iS engine! Those familiar with the Sling lineup know that the 915iS engine normally is found on the Sling TSi, not on a Sling 4. So, my airplane is going to be somewhat unique, but that’s part of what experimental aviation is...

Engine Choices

Here’s what I have to choose from: Notes: NA = Naturally Aspirated EFI = Electronic Fuel Injection 5 min max continuous power (for takeoff) 154HP is the advertised power, but I would probably ask for derated to ~135 HP for compatibility with a Whirlwind propeller Price when purchased through...