Very funny skychaser.
It was a 30 year old Gere Sport, with a 50cc Tartan twin running alcohol.
The other plane was a decathalon.
It wasn't spinner to spinner.
It was, and still is my bi-plane, it was fixed in a week, and back in the air, and thanks to skychaser the video was posted here.
You can see other views of it here:
http://blackdirtsquadron.org/videos.htm