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esteuber(at)rochester.rr.
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 Posted: Tue Jul 04, 2006 3:13 am Post subject: Ultrastar alive |
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We have been having a very long stretch of windy and scattered thunderstorm weather here in western NY but finally yesterday morning , I was able to get the Ultrastar in the air again . The Cuyuna engine performed better than it ever has temperature wise ....1100 egt's. It's amazing what the right parts will do....pistons,rings and cageless wrist pin bearings....lets see how far it goes this time....51 hours last time.
I know there are a few Cuyuna's still being used out there on Kolbs , especially Ultrastars...I have heard a lot of negatives about these engines and would like to get an idea how the rest of the Cuyuna operators are doing as far as failure rates . My experience so far is limited to 2 engines and the first one had about 160 hours before a weather related crash (not me)took it out of service.
After all, I recently learned on this list that Cuyuna means "falls from the sky" in Native American lingo...
Ed in Western NY
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worrybear(at)verizon.net
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| Posted: Tue Jul 04, 2006 4:27 am Post subject: Ultrastar alive |
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Ed, I have run My UL202 for 155 Hours, after a ZDE overhaul, It has a Mikuni carb and requires a rejet for spring and fall in PA. I have been very satisfied with it. As long as I keep the temps in range it performs 100%. The only Cayuna I have seen stop was from a bad primer bulb. I think the bad reputation came from operators error in the early days.
Dan Walter
Ultrastar
Palmyra, PA
Do not archive
[quote] ---
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Eugene Zimmerman
Joined: 10 Jan 2006
Posts: 392
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| Posted: Tue Jul 04, 2006 5:52 am Post subject: Ultrastar alive |
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I've had good experiences with hundreds of hours of trouble free
service with Cuyuna engines. Never had one fall from the sky.
On Jul 4, 2006, at 7:12 AM, Edward Steuber wrote:
| Quote: | We have been having a very long stretch of windy and
scattered thunderstorm weather here in western NY but finally
yesterday morning , I was able to get the Ultrastar in the air
again . The Cuyuna engine performed better than it ever has
temperature wise ....1100 egt's. It's amazing what the right parts
will do....pistons,rings and cageless wrist pin bearings....lets
see how far it goes this time....51 hours last time.
I know there are a few Cuyuna's still being used out there
on Kolbs , especially Ultrastars...I have heard a lot of negatives
about these engines and would like to get an idea how the rest of
the Cuyuna operators are doing as far as failure rates . My
experience so far is limited to 2 engines and the first one had
about 160 hours before a weather related crash (not me)took it out
of service.
After all, I recently learned on this list that Cuyuna
means "falls from the sky" in Native American lingo...
Ed in Western NY
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Tue Jul 04, 2006 6:10 am Post subject: Ultrastar alive |
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: Re: Ultrastar alive
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<etzim62(at)earthlink.net>
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| I've had good experiences with hundreds of hours of trouble free
| service with Cuyuna engines. Never had one fall from the sky.
Gang:
I think I put nearly 500 hours on my Cuyuna ULII02 mounted on my
Firestar.
Was a good engine. Had CDI ignition and Mikuni carbs.
Biggest problem with the ULII02 was cylinder base gaskets leaking. In
order to lighten the ULII02 more than previous Cuyunas, they milled
more metal. In the process the metal where the cylinders and cases
met were very thin. The engine mounting system on the US required
dropping the engine to retorque the case bolts. Was easy to get a
little lazy about this, which was recommended every 100 hours, I
think. Soon as the case bolts relaxed a little, it would start
blowing oil.
Other than that, had not complaints from this little engine.
My buddy's Cuyuna ULII02 on an US seized the PTO crank bearings at
10.0 hours. This was a case of poor quality bearings. I was flying
his US at the time. Welded those bearings right to the crankshaft.
Ended up junking that crank.
john h
mkIII
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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Tue Jul 04, 2006 7:03 am Post subject: Ultrastar alive |
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| I think I put nearly 500 hours on my Cuyuna ULII02 mounted on my
| Firestar.
Sorry Folks:
The above should have read "Ultrastar".
john h
mkIII
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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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George Myers
Joined: 10 Jan 2006
Posts: 76
Location: San Marcos, Texas
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| Posted: Tue Jul 04, 2006 7:26 am Post subject: Ultrastar alive |
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I put 122 hours on a cayuna 430D in the summer of 2003. The only trouble I had was a broken fan belt that went through prop & broke it. Shook some sense into me regarding preflight.. Later, I sold it to a local who taught himself to fly & I go play with him a couple times a month. The engine still runs great. AND he bought a rebuilt backup engine for $400.00 plus 50.00 shipping. Smoke them numbers.
George
[i]----
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esteuber(at)rochester.rr.
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| Posted: Wed Jul 05, 2006 4:31 am Post subject: Ultrastar Alive |
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Thanks for the Cuyuna responses...I'm still a bit wary after it quit at the worst spot it could pick...but you never want to get too comfy behind any engine your flying...
Ed in Western NY
do not archive
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GeoR38
Joined: 25 Jan 2006
Posts: 60
Location: The Villages, fl
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| Posted: Tue Jul 18, 2006 3:18 am Post subject: Ultrastar alive |
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In a message dated 7/4/2006 10:11:24 A.M. Eastern Standard Time, worrybear(at)verizon.net writes:
| Quote: | Ed, I have run My UL202 for 155 Hours, after a ZDE overhaul, It has a Mikuni carb and requires a rejet for spring and fall in PA. I have been very satisfied with it. As long as I keep the temps in range it performs 100%. The only Cayuna I have seen stop was from a bad primer bulb. I think the bad reputation came from operators error in the early days.
Dan Walter
Ultrastar
Palmyra, PA
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George Randolph
Firestar driver, The Villages, fl |
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GeoR38
Joined: 25 Jan 2006
Posts: 60
Location: The Villages, fl
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| Posted: Tue Jul 18, 2006 3:18 am Post subject: Ultrastar alive |
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In a message dated 7/4/2006 10:11:24 A.M. Eastern Standard Time, worrybear(at)verizon.net writes:
| Quote: | Ed, I have run My UL202 for 155 Hours, after a ZDE overhaul, It has a Mikuni carb and requires a rejet for spring and fall in PA. I have been very satisfied with it. As long as I keep the temps in range it performs 100%. The only Cayuna I have seen stop was from a bad primer bulb. I think the bad reputation came from operators error in the early days.
Dan Walter
Ultrastar
Palmyra, PA
|
I agree, no one used egts then .
George Randolph
\Firestar driver from The Villages
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George Randolph
Firestar driver, The Villages, fl |
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