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Tracy - well, the overall picture is to
fly faster than you, and, believe me, you're way ahead of me on that (who knows
what code you're writing in your controllers? "IF TAILNUMBER = N3773 THEN SET
MAX RPM = 5000" :-)
Anyway, my big goal is
to get something running, which is actually a pretty big deal for me. I
discovered recently that in the entire city of Portland with 100+ RV's being
built, that no one except me now has attempted to rebuild a Slick magneto.
They are dirt simple inside. Pretty sad. No wonder I have given up
on the local chapter. They can cook a good fly-in breakfast, and know a
lot about $15000 EFIS systems, but not much help or support
otherwise.
My headers are welded
in and out. I've heard two stories as to having them coated. Tom
says racers do it after running them to get them sort of normalized.
Others say 321 doesn't need it.
----- Original Message -----
Sent: Wednesday, March 02, 2005 11:43
AM
Subject: [FlyRotary] Re: 20B exhaust (so
far)
Dang it Kevin, slow down, your getting ahead of
me! Looks real nice though. My original headers were
welded just like yours (on outside of flange) and I only had one minor crack
that I fixed. The racer guys recommend welding pipes on the inside of
flange and I did that on the Renesis manifold. Too early to say if it
works better or not.
Tracy
I have my engine upside down right
now while I work out oil cooler location. My welder gave me some 321,
so that's why the front rotor has an additional weld. That plywood box
is a spintech muffler mock-up, although it's not in place. I plan to
run it against the fire wall. With my belly scoop I can't run the
exhaust down there (damn!), so it will go out the side, a la turbine engine
I guess. I was lucky to have the welded up part able to slide on
around the engine mount, easy to forget when you are playing with individual
pieces.
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