What is the “highest” HP someone has put into a Kitfox?

[jiott]

Not having been a pilot previously, when I started flying my Kitfox with a Dynon Skyview panel I went back and forth with setting speeds and distances in knots or mph (the settings are easily changed). I finally chose the mph since that was what I was familiar with. I guess I'm not a "real" pilot, but at least I can relate to it.

[rv9ralph]

I have been associated with experimental aviation since the 90's. I have found that most that have tried engine conversions (those that have not been extensively engineered for aviation) spend most of their time working on engine issues and not flying.
The other thing...

Fabric isn’t the limiting factor for the Vne. It’s flutter on a pretty flexible wing.

Fabric was used on many aircraft of WWII. i.e control surfaces on F4U Corsairs capable of 400+ mph.

Ralph

[Slyfox]

kts is what ATC uses. My gps in each airplane is set up for KTS because of this. makes understanding tower and such easier. I use KTS for the rv on all accounts. the Kitfox on the instrumentation is mph. It actually makes sense. On final and up to landing with the rv in kts it backs off the reading in reality to the kitfox 15%. so going back and forth in aircraft I'm a little closer in my reading coming in to land. you may not understand, but it really does work. if I hit 70 in either airplane on final, I'm pretty close no matter which one I fly. over the numbers I want 62kts in the rv, 50mph in the kitfox. works for me. but the gps having Kts on both really works, that's what atc goes by. also, both aircraft has the steam gauges for airspeed. so, I just glance and see a pointer in the right area mainly. works for me. Oh I have the dynon d180 in the rv. I never use it to land. hate it. steam all the way.