February 1998 Issue

Three-Blade Props

McCauley and Hartzell have sweet deals on conversions. But don’t expect blistering cruise performance.

Thinking about converting your gravel-dinged and eroded two-blade prop to a sexy looking three-blade model? There’s probably a three-blader out there that will fit your airplane and, surprise, it may even be cheaper than a two-blade prop.

Fair warning, though. Under the harsh light of subjective analysis, the decision to swap a two-blade prop for one with three is probably a guy thing.

For all the crude remarks about women airplane—and car—owners making purchase decisions based on paint scheme, the three-blade “upgrade” seems to occur sans anything approaching an engineer’s cold, calculated analysis.

A Freudian would probably have a field day with the underlying psychology b...

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