Gasket Material for Venturi

Iceberg Sun May 17, 2020 1:39 pm

Was curious if any of the experience has made and had success in punching gaskets from other material to make Venturi gaskets. I am waiting patiently for a shipment of rubber Venturi gaskets HOWEVER still not arrived. When they do great. However is there a suitable flat gasket material that can be sued and punched to work in the interim? Really like to get those RC Plane

parts up and flying argggg. RC Plane

Thanks
Ice

aspeed Sun May 17, 2020 2:00 pm

I just used suitable sized silicone fuel tubing. Cut a bunch on a bamboo skewer in a drill and picked the ones that looked the best.

Iceberg Sun May 17, 2020 2:47 pm

Hi aspeed
Yes I have done that in the past. However the silicone "squishes" out the sides after just a flight or two. Maybe I cut too thick?
Thanks
Ice

Levent Suberk Sun May 17, 2020 2:51 pm

https://www.coxengineforum.com/t308-quick-and-easy-way-to-make-venturi-gaskets

roddie Sun May 17, 2020 3:00 pm

Ice, I used paper-punches (1/8" and 1/4") to make mine. The glove material is sponge-rubber.

installed.. loosely

installed.. compressed

A subject gasket's inner-hole diameter to fit the Bee engine's 5 or 8cc tank-bowl venturi's is .140". My example being .125" is a tight (stretch-fit) onto the seating-area. This fit hasn't interfered with the function.. in my cases.

Iceberg Sun May 17, 2020 4:09 pm

Thanks all
Great suggestions I'll try the rubber glove Roddie and ordered some dart o rings. Yes with all the ideas sure to work.

Yes please post info on diskette reed valves too. I have made them with success. But more input alwasy good Thanks!
Ice

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Gasket Material for Venturi

Gasket Material for Venturi

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