As we discussed in Part 1 last month, after buying and testing a new Sterba wood propeller for my Hatz biplane, it was clear it had too much pitch. For reasons discussed in the previous article, I had decided to replace the old Sensenich metal prop with a new wood prop. Selecting a propeller for an Experimental aircraft […]

One of the most common places Experimental airplane owners look for performance improvements is the propeller, and many homebuilts go through several props in their lifetime. This is not surprising as propeller design, like many aspects of aircraft design, is an exercise in tradeoffs, but prop design in particular is a black art to many. There […]