Doug,
Here is the idea I had. Mill grooves in the Teflon for Teflon
encapsulated O-rings. The oval shapped grooves never allow the O-rings to

pass

over the holes in the sheet metal.

Paul Lamar ...No rotor no motor.

Paul & Doug,
Good idea!
I was wondering if one would still need the Teflon sheet, now that the
Teflon "O" rings are in use. If there was a concern about jamming at the
outer edges maybe a large "O" ring around the perimeter would eliminate
that. Some liberal use of silicone spray on the "O" rings would help as
well. Fuel shouldn't wash out the silicone spray as it's between the two "O"
rings.
Just a thought!
BTW I couldn't make out that second image?
George (down under)

The forces on the slide would be so high it would flatten
out the O-rings. You still need the Teflon slide.
Last thing you want is a stuck throttle.

Paul Lamar ...No rotor no motor.

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