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pndkrueg(at)mchsi.com
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 Posted: Thu Jan 12, 2006 12:21 pm Post subject: EngineSaver - does it work? |
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Aircraft Components sells a device that pumps low pressure dry air into
the engine block for the purpose of inhibiting rust during long periods
of storage.
Details can be found at: http://www.flyingsafer.com/2039.htm
I am wondering if it really works.
Thank you for your comments and opinions,
Dan Krueger
RV6A Flying
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rvbuilder(at)sausen.net
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| Posted: Thu Jan 12, 2006 1:24 pm Post subject: EngineSaver - does it work? |
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Couldn't hurt but there is more to it than simply humidity levels. Things like the oil becoming acidic and other nasty items. Not to mention that dry startup after sitting for extended periods.
You could roll your own with something like an aquarium air pump, some color changing silica from someplace like <http://www.veritemp.com/index.asp?cat=3D155549>, and some misc fittings for probably less than $30. If you want to improve on it you could have it pull the air from someplace like the breather tube and then pump it right back into the dipstick tube. A fairly closed circuit will probably make the silica crystals go a lot longer before recharge. You could get the 5lb jug from Veritemp and just put the fittings right into that. No need for an additional container.
Best thing for an engine is flying often. If it's going to sit for more than 30 days it should be pickled and then something like this would be just another line of defense.
Michael Sausen
-10 #352 Fuselage
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Jack Fromm
Joined: 10 Jan 2006
Posts: 2
Location: KDMW Maryland
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| Posted: Fri Jan 13, 2006 4:07 am Post subject: EngineSaver - does it work? |
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Dan,
I used one of these while I was building but haven't used it since I've been
flying. So far, I think I've been flying frequently enough not to need it.
I used it while building because I didn't like some of the other pickling
options for various reasons I won't go into here. As for how effective it
was, I don't have any hard evidence to go by (like an engine teardown) but
one thing I did notice right away made me think it was doing what it was
supposed to. I had the usual desiccant plugs installed in my cylinders and
they were well on their way to turning pink when I plugged the Engine Saver
into the breather and turned it on for the first time. Within a day or two,
the desiccant plugs had turned back to blue. That proved to me that very
dry air was indeed circulating throughout the engine.
Two things I didn't like about the unit: 1) it does seem way overpriced for
a small pump and a recycled soda bottle full of silica gel, and 2) the pump
needed constant adjustment to keep the flow in a range where it was moving
enough air to be effective but no so much that you would have to dry the
beads out every other week.
Jack Fromm
RV-8 Flying
<rvbuilder(at)sausen.net>
Couldn't hurt but there is more to it than simply humidity levels. Things
like the oil becoming acidic and other nasty items. Not to mention that dry
startup
after sitting for extended periods.
You could roll your own with something like an aquarium air pump, some
color
changing silica from someplace like
<http://www.veritemp.com/index.asp?cat=3D155549>, and some misc fittings for
probably less than $30. If you want to improve on it you could have it pull
the
air from someplace like the breather tube and then pump it right back into
the
dipstick tube.
Michael Sausen
-10 #352 Fuselage
Aircraft Components sells a device that pumps low pressure dry air into the
engine
block for the purpose of inhibiting rust during long periods of storage.
Details can be found at: http://www.flyingsafer.com/2039.htm
I am wondering if it really works.
Thank you for your comments and opinions, Dan Krueger RV6A Flying
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_________________
Jack Fromm
RV-8 N138JF
Flying - 200 hours |
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wskimike(at)mchsi.com
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| Posted: Sat Jan 14, 2006 4:23 am Post subject: EngineSaver - does it work? |
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What about the cylinder that is on the compression stroke? It would not get
any dry air and would still be susceptible to condensation from the heating
and cooling effect unless the engine was in a temp controlled environment.
It seems the engine would still have to be rotated every so often. IMHO.
Dan, How's the knee?
Mike
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