Once a month SZP opens the airport for visitors.
Those of us with unusual air planes open our hangar doors and people stroll by and ask questions.
Many are questions I have heard over and over again.

The rotary powered RV4 with the cowl off  is prominent and draws a lot of people,

I am scheduled to give a talk about rotaries at AusFly in Narrowmine NSW Aus next week. To speed the process I am getting a large poster printed with some of those questions.


Here is a preliminary version. Comments are welcome.

Paul Lamar




I don’t envy your task. The misinformation about the rotary engine is worldwide, it is surprising even amongst those that run rotary's in their cars, as to how the media can lead them down the wrong path. Just 2 days ago a college told me he was installing an electric water pump in his rotary powered car, even after giving sound reasoning not to do it, the advise was ignored.

I am new to the powered aircraft scene but have found that the reluctance to accept new concepts is very high. On several occasions I have been told that the rotary doesn’t sound like a real aircraft engine. I'm not sure how to overcome this mindset.

I hope the time to climb project will help to awaken some more aviators.
Maybe a life size picture of a rotary with its weight and power may also be useful.

Andrew. Campbell


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