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It may take quite a while for "Tracy's" new seals to wear in. They wear slower than the stock seals.
However, your wear looks quite minimal. How is the wear on the sides of the seals (where they wear against the rotor groove), and how worn down are they? If they are well within specs you might consider reusing them.
The only disadvantage of using new seals is it may take a while (100s of hours?) to get perfect compression.
Mine is slowly, slowly improving, but then I had rather deep grooves in the rotor housing edges (maybe 1/16" by 1/32").
Finn
sboese wrote:
List members,
I tore down my running 1986 NA 13B to check for wear as part of the final
assembly of my RV-6A. A picture of two apex seals is attached. The total
clearance between the apex seals with the ends touching is 0.006", 0.003"
from each seal. This is typical of all the apex seals. The rotor housings
appear to be worn on the edges to match the end portions of the apex seals
and this is the only apparent wear to be seen on them. Is this a normal
wear pattern? Will new seals (Tracy's new seals in particular) seat to the
rotor housings?
Thanks for any advice you may give.
Steve Boese
RV6A, 86NA13B, EC2, RD1A, Wyoming
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