This site has Propeller Designer and also links to other sites that may be of interest to human, and low powered aircraft.

The Propeller Designer section has information about propellers and a tutorial to help you get the best out of the program.

About Propeller Designer

Photo gallery of HPAs This is being added to.

Site map to help you navigate the site

A book about Human Powered Flying. Please read it.

A section has been added to cover the new Kremer competition for under 18s to build a HPA.

Links Links to sites about propellers, HPAs and human powered vehicles.

HPA section with articles about What is a HPA, HPA names, HPA apparent mass effect, Turning flight and where are they now?

Library section has articles about HPAs and how to build them

Articles on Puffin, Toucan and Japanese HPAs at Library.

What’s New


I can be contacted at Propeller

Please include Propeller in the header or it may be junked as being Spam.

About the author

Propeller Designer index