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Ed,
I believe that is your culprit - too much slop
with one apex seal taking out the rest.
On the positive side you get to try the new RX8
rotors ( if your inclined) - you beat me to it, on this list anyway, as
their being used in all sorts of racing and street use
- Bugger!!
I guess that's only fair, as you have been around
this stuff a lot longer than me anyway, but I'm catching -up!
George ( down under)
----- Original Message -----
Sent: Wednesday, April 13, 2005 8:53
AM
Subject: [FlyRotary] Re: The Final? story
on the engine problem
No, George I did not. This was assembled
back in 2001 and did not think to check the apex grove, however, I do think I
detected a bit of a "V" shape to at least one. I am going to go
back out and measure it to see whether it was my imagination or
real.
Thanks for the suggestion of the Rx-8 Rotors they
are quite a bit cheaper than the 9.7:1 for the NA 91. However, Mazdatrix
has not found anyone to mill them for the Rx-7 Apex seal, yet. They told
me to check back in a couple of weeks.
Ed
----- Original Message -----
Sent: Tuesday, April 12, 2005 6:44
PM
Subject: [FlyRotary] Re: The Final?
story on the engine problem
Ed,
Did you check side clearances in the apex
groove before assembly?
George ( down under)
----- Original Message -----
Sent: Wednesday, April 13, 2005 5:15
AM
Subject: [FlyRotary] The Final? story
on the engine problem
Second set of photos
Photo Apex Scrapes shows that the ejected
apex seal piece probably made it around the chamber a couple of
times, one impression looks to be smaller than the width of the ejected
piece - so perhaps it broke up further in its round.
Photo Apex Slot Peened shows that the 2nd
apex seal of #1 rotor that would not move up and down - clear why,
now. The departing piece peened over the slot and froze the seal in
its slot. I had to pry the opposite end of the seal up to the
position you see.
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