Rockymountain
Pre-takeoff checklist
I am still waiting for someone to explain why Cirrus opted for the liquid-slinging prop de-ice vs hot blades…….
A different way of doing things. Is innovative, but not a panacea. The good is that you don't need as much electrical power, no brushes to replace, the extra TKS slung off the prop protects the windscreen front and bottom of the plane a little. The bad is that you have to run it all the time in icing conditions, even if you are not for sure getting ice, since the prop deice is tied to all the other panels, that means you go through a lot of TKS just to protect the prop. The prop is more susceptible to some types of ice than the rest of the plane, so you will see a big speed drop off if the prop ices. If you wait to turn it on when the prop ices, the TKS is not good at removing ice as it is not deice, it is anti-ice.
Overall the FIKI system on the Cirrus works pretty well, but if you are in prolonged ice, watching those TKS levels drop can give you a little anxiety. Personally, I like a hot prop. Turn it on in IMC icing conditions and forget about it. If you get ice elsewhere then you can use the appropriate anti-ice deice systems, but don't have to run the whole system just to protect the prop.