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jhasbrouck(at)woh.rr.com
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 Posted: Wed Mar 22, 2006 9:53 am Post subject: O/OI-540 overhaul question |
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I've been following the thread re: Lycoming crank AD and trying to follow
the distinctions between Certificated and Experimental and who can work on
what. My question is: can I, as a builder, buy an existing Lycoming and
overhaul it without an A/P or I/A being involved, hang it on the airplane
and fly it within the current regs? Does this then require a 40 hour fly
off or 25? Ignore, for the time being, the wisdom of this move. If the
above is within the regs then an A/P could look over my shoulder and not
have the liability of having his name in the engine log. As far as the
SB/AD question, the point is moot. As has been said before, nobody wants
bad parts in their engine. The FARs cause me to fall asleep and when I
think I know them someone always comes up with another interpretation.
John Hasbrouck
#40264
waiting for fuse. delivery
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Tdawson(at)avidyne.com
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| Posted: Wed Mar 22, 2006 10:23 am Post subject: O/OI-540 overhaul question |
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The most fun is when two people or two offices from the FAA interpret
the same FAR in different ways themselves!
TDT
40025
Somewhere in the Avionics industry . . .
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mstewart(at)iss.net
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| Posted: Wed Mar 22, 2006 11:03 am Post subject: O/OI-540 overhaul question |
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Of course.
You could break down the lyco, install Briggs and Stratton heads, A ford
rear end, drive a boat propeller, and attach a kite and go fly.
Just make sure your kite has the N numbers properly applied.
Mike
Do not archive
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BPA(at)bpaengines.com
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| Posted: Wed Mar 22, 2006 11:14 am Post subject: O/OI-540 overhaul question |
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We have an engine going to Barcelona Spain this month. Mike, can you
help me put a boat prop, probably a 23 pitch (top end speed) on it. The
only way I figure I'll get to go to the RedBull races is to power the
engine over there myself. One good thing about it, the engine would be
pretty well broken in by the time it gets there 
Allen
Do Not Archive
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pitts_pilot(at)bellsouth.
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| Posted: Wed Mar 22, 2006 5:59 pm Post subject: O/OI-540 overhaul question |
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John Hasbrouck wrote:
| Quote: |
I've been following the thread re: Lycoming crank AD and trying to
follow the distinctions between Certificated and Experimental and who
can work on what. My question is: can I, as a builder, buy an
existing Lycoming and overhaul it without an A/P or I/A being
involved, hang it on the airplane and fly it within the current regs?
|
AFAIK, yes. I had the prop flange on my O-360 crank fail ..... and the
prop, flywheel, and spinner departed the plane as an assembly. There I
was, in a glider without the endorsement on my license!
I rebuilt the engine using a crank manufactured by Moldex, with a
beefier flange! This is definitely an 'experimental' engine, and the
'bogus' crank is in the engine log, along with all the parts replaced or
overhauled.
| Quote: | Does this then require a 40 hour fly off or 25?
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That I can't say. I didn't ask anyone about putting the plane back in
service since I hadn't really changed anything except the crank ....
which was built to Lycoming's specs and the exception for the thicker
prop flange. Actually, I was remiss in not going back to the 30 mile 40
hr. restriction ..... I just flew it locally for a few hours to make
sure that the temps, power, oil pressure etc. were OK.
| Quote: | Ignore, for the time being, the wisdom of this move.
|
What's wrong with your scenario??? You need the overhaul and parts
manuals (the parts manual is specific to your model engine) and some
tools from your toolbox. These engines are rock-simple, and everything
you need to know is in that manual. Do you think overhauling your
aircraft engine is any different form overhauling your car engione with
a "Motors" manual???
| Quote: | If the above is within the regs then an A/P could look over my
shoulder and not have the liability of having his name in the engine log.
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This is true. And a good move, in my opinion. I've played mechanic (a
financial necessity) most of my life so I'm familiar with tools needed.
| Quote: | As far as the SB/AD question, the point is moot. As has been said
before, nobody wants bad parts in their engine.
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AMEN!
| Quote: | The FARs cause me to fall asleep and when I think I know them
someone always comes up with another interpretation.
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I second that!!! They're written that way so the feds can nail you if
they want ..... and you haven't done 'anything wrong'. IMHO, of course!
Linn
do not archive
| Quote: |
John Hasbrouck
#40264
waiting for fuse. delivery
|
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