Today's Message Index:
----------------------
1. 09:03 AM - Re: Jamey, A36 stuff cheap? (flyv35b)
2. 09:44 AM - Post Flight Question - Oil? (lmassaro)
3. 12:03 PM - Re: Post Flight Question - Oil? (Gary Vogt)
4. 07:38 PM - Re: Post Flight Question - Oil? (lmassaro)
5. 08:42 PM - Re: Re: Post Flight Question - Oil? (Linn Walters)
Message 1
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| Subject: | Re: Jamey, A36 stuff cheap? |
TeamGrumman-List: Jamey, A36 stuff cheap?Jamey, Ned has more airplanes
than Carter has liver pills! I think it's an RV-6A that he owns. I'm
sure he'll let you know for sure.
Cliff
----- Original Message -----
From: James Courtney
To: teamgrumman-list@matronics.com
Sent: Saturday, November 13, 2010 9:18 PM
Subject: RE: TeamGrumman-List: Jamey, A36 stuff cheap?
Thanks for thinking of me Ned but nothing I need there. My good
friend (also an A36 owner) is looking likely to purchase an RV-8 kit
soon. I'm looking forward to working on that with him. Neat airplanes
those RVs and boy did we have fun ogling the experimental avionics like
the new Dynon P/MFDs at AOPA Expo on Thursday. Damn shame we can't get
that stuff for the certified planes at a reasonable cost.
You also have some form of RV right?
Jamey
From: owner-teamgrumman-list-server@matronics.com
[mailto:owner-teamgrumman-list-server@matronics.com] On Behalf Of
discover
Sent: Saturday, November 13, 2010 3:12 PM
To: teamgrumman-list@matronics.com
Subject: TeamGrumman-List: Jamey, A36 stuff cheap?
Hey Jamey,
I thought you might be4 interested in this A36 stuff
http://www.vansairforce.com/community/showthread.php?t=64434
Ned
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=319293#319293
http://www.matronics.com/cgenerous ; -Matt
Dralle, List nbsp; - The TeamGrumman-List Email
href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.m
Same great content also available via the Web
href="http://forums.matronics.com">http://forums.matronics.com
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Message 2
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| Subject: | Post Flight Question - Oil? |
OK, this may sound smart or it may sound dumb.
I am told the primary reason for engine corrosion is the water in the crankcase
reacts with the sulfur compounds in the oil to form H2SO4 (i still remember some
of my high school chemistry).
Now after a flight I typically open the cowl and do a check of the engine compartment
to make sure nothing is amiss. I check the oil (even though the level
isn't very readable until the engine cools).
Now, here's the question.
When the oil fill is opened, a fair amount of steam comes out. In fact, it will
continue to do so for quite a while. Does this help rid the crankcase of any
excess H20 (that would re-condense as the engine cools) or would it normally
vent via the air-oil separator anyway post flight?
(or)
Does it not really matter since the crankcase is not "hermetically sealed" and
any humidity in the air will eventually work its way into the oil during non flight?
Just the engineer in me coming out...
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=319331#319331
Message 3
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| Subject: | Re: Post Flight Question - Oil? |
this is the primary reason why you need to have an oil temp in the 190-200
degree range long enough to cook off any moisture. Flights of less than 30 min
do little to protect your engine. Starting the engine to get the oil to
circulate and coat things is fine if you don't let the engine get warm. Like 2
minutes. Anything that warms up the oil is enough to cause condensation in the
crankcase.
________________________________
From: lmassaro <lmassaro@tac-eng.com>
Sent: Sun, November 14, 2010 9:42:04 AM
Subject: TeamGrumman-List: Post Flight Question - Oil?
OK, this may sound smart or it may sound dumb.
I am told the primary reason for engine corrosion is the water in the crankcase
reacts with the sulfur compounds in the oil to form H2SO4 (i still remember some
of my high school chemistry).
Now after a flight I typically open the cowl and do a check of the engine
compartment to make sure nothing is amiss. I check the oil (even though the
level isn't very readable until the engine cools).
Now, here's the question.
When the oil fill is opened, a fair amount of steam comes out. In fact, it will
continue to do so for quite a while. Does this help rid the crankcase of any
excess H20 (that would re-condense as the engine cools) or would it normally
vent via the air-oil separator anyway post flight?
(or)
Does it not really matter since the crankcase is not "hermetically sealed" and
any humidity in the air will eventually work its way into the oil during non
flight?
Just the engineer in me coming out...
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=319331#319331
Message 4
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| Subject: | Re: Post Flight Question - Oil? |
I rarely fly less than 45 minutes at a clip for that very reason. Interesting
side note...
There is this old beater C152 tied down at my A/P. Never seen it fly, but have
seen the owner get in multiple times, start it up, run it for 20 minutes at ~1500
RPM while its tied down.
He thinks he's doing his engine good but in actuality is accelerating is ultimate
death. Told him this but he didn't seem to pay much attention to us.
So back to the original question...Given i fly long enough to get the oil hot (assuming
190 at the temp probe is >220 at the heads/etc.), does venting the steam
from the filler cap at the end of a flight make any sense?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=319369#319369
Message 5
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| Subject: | Re: Post Flight Question - Oil? |
On 11/14/2010 10:36 PM, lmassaro wrote:
snip
> So back to the original question...Given i fly long enough to get the oil hot
(assuming 190 at the temp probe is>220 at the heads/etc.), does venting the steam
from the filler cap at the end of a flight make any sense?
It does to me. I think it's one of the 'can't hurt' thingys. I open up
the filler cap and let it vent while I do my post flight chores and then
check the oil level so I can fill (to 6 qts) if needed so I don't get
delayed just prior to my next flight.
Linn
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=319369#319369
>
>
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