"Lloyd E. Sponenburgh" lloydspinsidemindspring.com wrote in message
. 3.70...
"basilisk" fired this volley in news:J4Nln.198564
:

you will have to provide a slave cylinder or roots type blower
to move the air.



Some variants use a cylinder skirt with reed valving.

LLoyd

You're right, I didn't really consider that before posting.

I supposed it could be worked out but that looks hard to
do in a completely bottom assembled engine, just my 2 cents worth,
I'm not an engine specialist.

basilisk