Finally - Induction Tube Sealing Solution

[toobuilder]

After trying several different gaskets including paper, composition, silicone and even dead soft copper, I threw a rough O ring idea at Ross at SDS and sure enough, he took it and improved it. Some prototype parts showed up in my mailbox and I promptly installed them on the -8. Keep in mind the -8 is an angle valve, requiring the added step of cutting and re welding the tubes to replace the flange clamps. Easy, but not required on the parallel valve engines.

Anyway, once the new clamps are on the tube, you simply install the O ring over the inner retainer and slip the assembly in place between the head and clamp. Snug up the bolts to spec and you are done. Unlike with the paper gaskets, it is impossible to bow the retainer or over compress the O ring. It's simply a install and forget thing.

There have been many attempts to "fix" the induction leaks at the head over the decades since the Lycoming was designed - this is finally the one that works.

These products are so new they are not even on the SDS website, but VAF has a pretty good thread going:

http://www.vansairforce.com/community/showthread.php?p=1264146#post1264146

Sorry to send you to another site, but there are some more pictures and info over there (just dont spend too much time there!)

 

[toobuilder]

 

[EAABipe40FF]

 

[Neil]

 

[toobuilder]

 

[taildraggerpilot]

 

[toobuilder]

 

[cwilliamrose]

 

[toobuilder]

 

[toobuilder]