Here are the spark plug fittings in place, also seen is the wiring harness and the way it links to the magneto.
This is the early construction of the compressor head.
Some tube was turned down and the fins were made from 1mm styrene with holes drilled out through the centers. The discs were evenly spaced and glued in place.
Here some more work has been done on the compressor head.
A close up of the outlet pipe attachments.
The top of the head.