Yes they did,they had rave reviews at the time but seemed to die out very fast
maybe not as good in practise.
Rich
Yes they did,they had rave reviews at the time but seemed to die out very fast
maybe not as good in practise.
Rich
The first zephyr was cut into the piston seal face, then they (theoben)started cutting then into the end of the cylinder to guide air to the transfer port.
Its just a ducting pattern to move the air in the direction of the port.