Today's Message Index:
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1. 07:13 AM - GSIO-540 - comments, common failures, bugs, running LOP? (Philip Guziec)
2. 07:35 AM - Re: GSIO-540 - comments, common failures, bugs, running LOP? (MASON Chevaillier)
3. 08:54 AM - Hydraulic pump problems (David Owens)
4. 09:47 AM - Re: Hydraulic pump problems (MASON Chevaillier)
5. 05:09 PM - Re: GSIO-540 - comments, common failures, bugs, running LOP? (N560WM@aol.com)
Message 1
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Subject: | GSIO-540 - comments, common failures, bugs, running LOP? |
I'm looking at a Twin Bonanza Excalibur equipped with GSIO-540s. I'd love to hear
from those who have actually flown behind these engines for comments on actually
reliability, durability, operating proceedures, and the ability to run
lean of peak.
Regards,
Philip Guziec
Message 2
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Subject: | GSIO-540 - comments, common failures, bugs, running |
LOP?
Pg, the excalibur conversion was actually the IO-720 s mounted on the
T-bone. mason
>From: Philip Guziec <philipguziec@yahoo.com>
>To: lycomingengines-list@matronics.com, commander-list@matronics.com
>Subject: Commander-List: GSIO-540 - comments, common failures, bugs,
>running LOP?
>Date: Mon, 9 Apr 2007 07:12:54 -0700 (PDT)
>
><philipguziec@yahoo.com>
>
>I'm looking at a Twin Bonanza Excalibur equipped with GSIO-540s. I'd love
>to hear from those who have actually flown behind these engines for
>comments on actually reliability, durability, operating proceedures, and
>the ability to run lean of peak.
>
>Regards,
>Philip Guziec
>
>
Message 3
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Subject: | Hydraulic pump problems |
Well, it happend on the last trip. The best thing about these airplanes
is they have great systems. My guess is that one of the hydraulic pumps
failed in the recent past when a leak occured. The other one failed
after a 3.5 hour flight from Arkansas to Hooks airport... A small crack
occured at the firewall hardline fitting, and started leaking sometime
into the flight... By the time the guys noticed something was wrong,
they were about 100 miles out, and the gear was coming down on its own.
Pressure was fluctuating from 500 to 700 (accumulator pressure only)
which will not allow for gear retraction... Anyways, to make a long
story short... The airplane (500-A colemill conversion) has PESCO pumps
p/n 1P349L, which came on the plane. PESCO is out of business... Just
wondered if anyone out there has a used servicable or yellow tagged pump
in stock you want to sell... OR is there a replacement manufactured
pump available, and what is it ??? Just throwing this out to all the
folks out there who are in the know... THANKS AS ALWAYS!!!!!
David Owens
Aerial Viewpoint
N14AV
AC-500A-Colemill
Message 4
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Subject: | Hydraulic pump problems |
do, there are two facilities in tulsa to overhaul the pump. mason
>From: "David Owens" <dowens@aerialviewpoint.com>
>To: <commander-list@matronics.com>
>Subject: Commander-List: Hydraulic pump problems
>Date: Mon, 9 Apr 2007 10:52:48 -0500
>
>Well, it happend on the last trip. The best thing about these airplanes is
>they have great systems. My guess is that one of the hydraulic pumps failed
>in the recent past when a leak occured. The other one failed after a 3.5
>hour flight from Arkansas to Hooks airport... A small crack occured at the
>firewall hardline fitting, and started leaking sometime into the flight...
>By the time the guys noticed something was wrong, they were about 100 miles
>out, and the gear was coming down on its own. Pressure was fluctuating from
>500 to 700 (accumulator pressure only) which will not allow for gear
>retraction... Anyways, to make a long story short... The airplane (500-A
>colemill conversion) has PESCO pumps p/n 1P349L, which came on the plane.
>PESCO is out of business... Just wondered if anyone out there has a used
>servicable or yellow tagged pump in stock you want to sell... OR is there
>a replacement manufactured pump available, and what is it ??? Just throwing
>this out to all the folks out there who are in the know... THANKS AS
>ALWAYS!!!!!
>
>
>David Owens
>Aerial Viewpoint
>N14AV
>AC-500A-Colemill
Message 5
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Subject: | Re: GSIO-540 - comments, common failures, bugs, running |
LOP?
I had a TBone for several years, is the next best thing to a Commander.
Andy
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