Anyone have experience with a IV-P with a TKS system installed? Performance hit? Cost, etc? Thermawing / ThermX: I've heard mixed results, at best. Villinger: Stalled in development and very much on the back burner, or so I'm told. Buenos De-Ice: Sounds like ThermX without the two-zone, melt and she...

Has anyone been able to get in touch with York Zenter and / or Vortexc Industries? My calls and emails have gone unanswered.

Great info.. Thanks to all!!

Any thoughts on using peak TIT as the reference point for leaning a TSIO 550-E? This is SOP in a Cirrus with a TSIO 550-K. Well, I should clarify: the actual SOP is to use the computer generated cyan target for leaning; but leaning "manually" to lean of peak TIT is an alternate procedure. ...

Pls confirm these are the Friedel wingtips?
Are the performance numbers you're referencing on planes with both the strake and wingtip mod or just the wingtips?

Hello all... Anyone have experience flying a IV with the Friedel tips? If so, any thoughts on performance? Cost? Etc? I'm partial to the aesthetics of the X-Pros but my understanding is that there are no plans for them to manufacture more of them "...for the foreseeable future." Bummer. Th...