Today's Message Index:
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1. 12:05 AM - Re: Vacuum gage (teamgrumman@aol.com)
2. 12:09 AM - Re: Electric Fuel Pump (teamgrumman@AOL.COM)
3. 05:04 PM - Cowling . . . wanna know he latest? (teamgrumman@AOL.COM)
Message 1
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RA1K31-4-6-4
Yep, that's the one.
-----Original Message-----
From: Gil Alexander <gilalex@earthlink.net>
Sent: Fri, 1 May 2009 12:30 pm
Subject: Re: TeamGrumman-List: Vacuum gage
Gary... if I understand the description, isn't it the
RA1K31-4-6-4 part half
way down the left side of this Spruce catalog page?
http://www.aircraftspruce.com/pdf/2009Individual/Cat09390.pdf
...a mere $24.... or $25.50 if you want to get it from Chief with no CA
sales tax....:^)
http://www.chiefaircraft.com/airsec/Aircraft/VacuumSystem/RapcoFittings.html
gil A
This one should be
easy.
I looked at a couple of hardware sources and I can't find the
hose-T-fitting (pipe thread for the AI, 3/8 inch hose fitting to the
vacuum filter, hose fitting for the vacuum gage) that goes on the back
of
the AI. It looks like a special fitting. I called Fletchair
to see if they had one from an old AI and they didn't.
Message 2
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| Subject: | Re: Electric Fuel Pump |
Do you get any needle movement prior to starting the engine? Look for
a minimum of 4 or 5 psi.
Odds are, the pump has never been changed. If you have ANY doubt as to
it's performance, get a new one. It isn't worth gambling on the
mechanical pump alone.
-----Original Message-----
From: Dwork, Robert <Robert.Dwork@arbella.com>
Sent: Fri, 1 May 2009 1:27 pm
Subject: TeamGrumman-List: Electric Fuel Pump
Airplane: 1974 AA5 s/n 0616.
I aborted my last flight prior to take-off because I did not see the
typical upward movement of the Fuel Pressure needle when turning on the
boost pump at run-up. Back at the tie-down, engine off, I did hear the
same somewhat sickly growl out of the pump that I've been hearing since
purchase over three years ago.
Any thoughts on this? Sometimes I question my memory of how things used
to be - like yesterday's weather, for example - but now I wonder if I
really did see movement of the needle at run-up all these years. Maybe
I just heard the pump before start-up and used that as my guide to
whether the pump was working, and suddenly I'm looking for something
new that was never a concern.
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Message 3
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| Subject: | Cowling . . . wanna know he latest? |
Seems the accessory area temperature was 10 degrees different, hotter,
for the new cowling vs the original. Even though the rest of the temps
(under the cowling) were within a few degrees. The FAA wants to know
why and how it will affect the life of the mags. So, now, I need to
get a note from Slick saying 165 degrees vs 155 degrees is acceptable.
Never mind that I have 400 hours on my cowling with the ORIGINAL mags
that came with my plane still doing fine.
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