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Posted for Sky2high@aol.com:
[Regarding]: Paul Tackabury post and George Braly's reply.
I think these are going off in the wrong direction.
Lurkers and contributors have benefitted greatly from the SHARING of
information here on the LML. The engine set-up was purchased and George is
under no
obligation to provide us information about what he did (independent of the
fact that the LML may have sent much business his way) - Indeed, the
purchaser
"owns" that information and George may be obligated to not inform others
about what he did. The "purchaser" may also have benefitted from ideas
shared
on the LML - maybe he is just a lurker and has chosen not to share any
information --- maybe not.
Maybe someone else has tweaked their IV's engine installation and have
produced results as good as George - after all, these are experimental
aircraft.
And, maybe that someone would be willing to share what was done to improve
the
fuel flow and cooling and .....
I can't believe all the IV's, ES's, Legacy's (those powered by 6-cyls) are
suffering from the same engine installation ills.
Also, remember that if you are normally aspirated, not all inter cylinder
fuel flow discrepancies are solely solved with Gami injectors -- there are
other
ways. If you have solved such problems with "tuned" injectors, remember
that later changes to air flow and pressures in the cooling plenum may change
the results.
Scott Krueger AKA Grayhawk
Sky2high@aol.com
II-P N92EX IO320 Aurora, IL (KARR)
Opinions and results may vary!
In a message dated 8/27/2004 5:20:27 PM Central Standard Time,
gwbraly@gami.com writes:
Hey George: Regards your baffle business for LIVs--you have made the claim
that
"every single IV-P's I have seen were very poorly baffled and the fuel set
up was improper"
many times. And of course you always add that
"I took one of these "stock" IV-P's and fixed
it. It took a fair amount of time and effort, and a lot of experience to
know
what to do and how".
OK, so you and Gami are the smartest bunch in the world, but to suggest that
you know a secret that would provide all of us dummies building LIVs a
better engine installation and never share the details, well it has become
tiring. If you want to sell this magic, offer it as a product. If you want
to be
real helpful, provide a drawing.
Speaking as one who continues to refine my LIV engine installation, the
Lancair provided baffle kit seems a well thought out, good fitting
collection of
bits of heavy gauge aluminum. Of course as is the case with all mysteries
of air cooled engines and cowling drag, it probably could be improved upon.
So while my grinders and tin cutters are handy, let me know what to do.
Please do not wait until I publish my performance numbers on this list and
then
tell me I did it wrong.
Paul Tackabury, LIV in primer
**************************************************************
Paul,
I confess to having written that message in language that was harsher than I
would prefer.
Also, keep in mind that I begged the owner of the plane that I fixed NOT to
get me involved with that project.
I said I didn’t have time.
He said, “There are lots of L IVP’s out there that need fixing.”
I said, yes, but they are all homebuilt aircraft, and with only a few
exceptions, the owners will simply copy anything I try to do or build, and
so
there is no point in getting distracted from my other certified activities
that
pay the bills.
e said, “ how long will it take.” I said I don’t know, but if I tried to
do it, it would take at least a month or two to work it in with everything
else.
e said, “… how much.” I said I don’t know. The owner then basically
said, “… here are the keys and I will write you a blank check. Please
proceed, and let me know when you get it finished.”
After it was done, successfully, somebody on the forum posted up a
message and said, in effect, “heck, I can buy six new cylinders to replace
the
red hot cylinders that I am running with now, for what that cost.” He
had
a point, if you want to treat the machinery that way from now on.
I can’t tell you what to do, because I don’t know what you have already
done and what your existing configuration is.
e are not the “smartest bunch in the world.” I appreciate the sentiment
if it was sincere and if it was meant to be sarcastic, that’s OK, because I
probably deserved it for the blunt manner in which I posted up the message.
OTOH, I have spent the better part of the last eight years and a whole lot
of money studying this particular subject.
What I do know is that there is absolutely NO REASON why all of these planes
should not perform as well as the plane that we modified two years ago.
The point to my message was to try to impress upon the owners of these
wonderful airplanes that there is a world of unrealized performance in
these
airplanes, and they should not accept the status quo for the indefinite
future.
Regards, George
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