Today's Message Index:
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1. 06:17 AM - Re: EBay 680FL N4998E-SN1739-141 (BobsV35B@aol.com)
2. 06:29 AM - Re: EBay 680FL N4998E-SN1739-141 (BobsV35B@aol.com)
3. 06:52 AM - Re: EBay 680FL N4998E-SN1739-141 (BobsV35B@aol.com)
Message 1
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| Subject: | Re: EBay 680FL N4998E-SN1739-141 |
Good Morning Tylor,
What a shame! That is a very highly stressed engine. Having that much
trouble so soon really does point to something being done wrong at the overhaul.
I have never worked on an engine with Simmons injection, but I understand
that there is little that can be done in the field to affect fuel flow. It has
to be properly setup on the bench.
That is where good and complete modern engine instrumentation can save the
day. If fuel flows, EGTs and CHTs are not where they should be, we pilots can
abort the mission and, possibly, save the engine that has been improperly
rigged.
Unfortunately, neither the instrumentation nor the Simmons Injection is
cheap!
Do Not Archive
Happy Skies,
Old Bob
AKA
Bob Siegfried
Ancient Aviator
Stearman N3977A
Brookeridge Air Park LL22
Downers Grove, IL 60516
630 985-8503
In a message dated 6/16/2006 11:33:10 P.M. Central Standard Time,
tylor.hall@sbcglobal.net writes:
Bob,
At the bottom of the Ebay listing are some questions and answers.
They talk about replacing 3 cylinders just before loosing the #4.
The engine was overhauled in 2000 with only 146.3 hours.
Message 2
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| Subject: | Re: EBay 680FL N4998E-SN1739-141 |
In a message dated 6/17/2006 1:08:30 A.M. Central Standard Time,
CloudCraft@aol.com writes:
But let's not forget that the IGSO-540 can be over-boosted beyond its
redline of 47" MAP.
Good Morning Commander,
Good point! We pilots do have to comply with the limits set by the
manufacturer!
Do Not Archive
Happy Skies,
Old Bob
AKA
Bob Siegfried
Ancient Aviator
Stearman N3977A
Brookeridge Air Park LL22
Downers Grove, IL 60516
630 985-8503
Message 3
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| Subject: | Re: EBay 680FL N4998E-SN1739-141 |
Good Morning All,
I received the very interesting comment from John this morning. He gave me
permission to share this. Here goes!
(Thanks John!)
Bob & Tylor,
I read your comments on the TCFG web page. For some reason with my computer
I cannot respond to the web page. I thought I would give you a little
information about the 680FL's we had. In 1986 we purchased 2 680FL's and sold
them in 1989, they were used for UPS cargo and at the time we had 20 500B's.
We changed more cylinders in the 680FL's than all of the 500B's combined. It
was a fun aircraft to fly but the engines were just a nightmare for us in our
operation. The last straw was one morning coming out of ICT deadheading
home 1,500 lbs under gross we lost an engine right after takeoff after raising
the landing gear and our very experienced 680FL pilot was only able to get the
aircraft to about 300 agl and returned to ICT and landed safely. I called
UPS and said we just cannot fly the 680FL's for you anymore, we can provide 2
500B's at the same price but we cannot fly the 680FL's anymore. UPS is a
very hard company to fly for but the management knew I was serious and they took
our 2 plane offer. I could go on about all of the things we looked into to
try to get the aircraft to work (changing to 8 cylinder engines etc) but it
still was not going to solve the single engine performance problems that
existed.
I think if a 680FL owner could only be the one that flies his/her aircraft a
person would have the best chance with the 680FL engines and aircraft.
PS-If you want to share the above info with the TCFG group feel free.
RESPECTFULLY,
John Towner
Central Air
Kansas City
Happy Skies,
Old Bob
AKA
Bob Siegfried
Ancient Aviator
Stearman N3977A
Brookeridge Air Park LL22
Downers Grove, IL 60516
630 985-8503
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