Vern Estes Presentation - from NSL 2013

Here's a YORF thread I missed the first time around from the 2013 National Sport Launch.

Vern Estes gave a talk about his fourth chilld - Mabel, the rocket engine making machine.
You'll find the transcribed PDF HERE
It's recommended reading, lots of pictures and many things I hadn't heard of before.

This picture is from the YORF thread, Photo by Bernard Cauley