Anyone have any info on the best apex seals to use for aircraft use.  Racing Beat says that
the cast iron ones work fine for most street engines.

Also does anyone have any information on modifying the rotor housings for pports?  Such as
location of ports, size of port holes, any kind of drawings etc?
Royce

There is an outfit in England called Hurley engineering that makes some interesting 
apex seals. Some people like them. The link is on the ACRE NL web site but here
it is again. http://www.hurley-engineering.ltd.uk/

You don't have a lot of choice on the P Port design because you kind of have
to squeeze it in between tension bolts.

The last one is an idea Ken Powell had for a variable timing P port.


Paul Lamar
 
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