Has anyone tried fitting leading edge slats to any of the 'typical' general aviation aircraft? If so, are the benefits worthwhile? I know they're available for the Piper Super Cub, but I haven't been able to find any for tricycle gear aircraft like a Cessna 182 or Piper Comanche. I know that having a high wing or low wing will also be a factor.
The Helio Courier, a well known STOL aircraft, has a speed range from 25 knots to 147 knots. I assume that other aircraft may benefit for using leading edge slats or other devices to lower the stall speed to 25 knots or so, leading to slower, safer landings and emergency landings. All the advantages of the Helio, but in a different form that some people may prefer, for example the low wing aircraft configuration.
The only disadvantages I can think of are the limits of the tricycle landing gear in achieving a high enough angle of attack when landing due to the possibility of tail strikes, and the better protection from debris in soft field takeoffs and landings.
And what would happen if someone fixed a Helio wing on a Piper Commanche, assuming cost no object?