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Ed Anderson wrote:
Thanks for the feed back, Perry. The lead fouling is the cause of our SAG, but with the stock plugs I used, I generally get 20 hours before SAG starts. But, as in your case, it will continue to get worst until you change spark plugs - did I ever tell you how many used spark plugs I have waiting for a good lead cleaning solution? {:>). I fly mostly with 100LL and found that so long as I change the plugs ever 20-25 hours no SAG, might get to 30 hours, but Tracy reported gets close to 200 hours on a set of plugs using Mogas.
Going to try some of this Hobbs #9 gun cleaning solution that I have heard removes lead and see if I can just soak them in it and get at least 40 hours off of a set.
Sounds like a neat way to control the mixture on the stock auto CPU. Just put a potentiometer in the circuit and ala! a mixture control. Let us know how it works out.
Ed A
Ed,
You might be a rather l o n g time finding it. I can't find any
web reference to it.
Now if you walk into your friendly local gun shop (including
Wal-mart and KMart) you'll find a shelf full of gun care products
from the Brunswick Corp., under the "Hoppe's" brand label. What
you're looking for is "bore solvent". I don't know if it's any advantage in our application, but there is
a relatively new variant of the Hoppe's #9 Solvent appended "plus" for
black powder shooters. It's probably just to neutralize the
hygroscopic qualities of black powder, but #9's primary advantage over
other bore solvents was it's ability to remove copper deposited by
copper-clad bullets during their trip down the rifle bore. Black
powder shooters use straight lead bullets.
HTH,
Dale R. | (___ |
COZY MkIV-R13B #1254 |----==(___)==----| Mesa, AZ o/ | \o
Ch's 4, 5, 9, 16 & 23 in progress
http://www.canardzone.com/forum/showthread.php?t=1388
http://canardaviationforum.dmt.net/showthread.php?t=1588
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