Aspin Rotary Engine

Aspin letter head This is all about Frank Aspin and his ideas for a rotary valve engine.

While I write the story and do additional research, I place here some of the material that I have located.
Most of it dates from 1935 - 1945. Click on individual pages to get full size image at 100dpi.
All this material has been published, and the passage of time has left it free of copyright (I think)

1937 Motorcycle
1937 1937 1937 1937

1943 Motor Transport
1943 1943

1944 Autocar
1944 1944 1944

1944 Engineer
1944 1944 1944 1944 1944 1944 1944 1944

1944 Motorcycle
1944 1944

1944 Yachting World
1944 1944

1945 Engineer
1945 1945 1945 1945 1945

1961 Royal Engineers journal
1961 1961 1961 1961 1961 1961 1961 1961

1972 Car
1961 1961 1961

1990 Motorcycle
1990 1990 1990 1990

The following material is taken from long out of print books. If any copyright still exists, and the owner contacts me, then I will remove it.

Some Unusual Engines by L J K Setright
LJKS LJKS LJKS LJKS LJKS LJKS LJKS
LJKS LJKS LJKS LJKS LJKS LJKS

Rotary Valve Engines by M C I Hunter
MCIH MCIH MCIH MCIH MCIH MCIH MCIH MCIH
MCIH MCIH MCIH MCIH MCIH MCIH MCIH MCIH