[C38] a nest of academics!
Don Strong
drstrong at ucdavis.edu
Tue Feb 28 13:00:44 EST 2012
Yes, certainly! As I said, there are four of us: Joe Launie, Chuck
Finn, Julian Adams, and moi. We are the academic C38 co-conspirators cabal.
And yes, the second. Ya want small classes, take mathy ones.
D
On 2/28/12 9:54 AM, Joseph Launie wrote:
> Don,
> I happen to be a Professor Emeritus of Finance and Risk Management
> at California State University, Northridge. I have my PhD in Financial
> Economics from UCLA. Among other things at CSUN I taught insurance.
> When I got there, students flocked to the course thinking it would be
> Mickey Mouse. After they discovered that my research interests were
> Collective Risk Theory, Decision Making under Uncertainty and Chaos,
> the numbers dropped a bit. Joe Launie/Macavity
>
> On 2/28/2012 6:16 AM, Don Strong wrote:
>> Julian: Wow, how cool! Four academics in the C38 club that I know
>> of! And now you, an Aggie not to mention an evolutionary biologist;
>> how small is this world! My son got his master's in applied
>> statistics at Ann Arbor a couple of years ago. Go Blue! (UCD
>> athletics have gone downhill since you were here).
>> Sorry to be so ignorant of Universal diesels. From what the others
>> have said, it seems that the Universal throttle should be adjusted to
>> have the slow end so low that it is effectively a stop switch. I can
>> do that with my Yanmar, but it makes idling when cold a difficult
>> proposition, especially for anyone who is not "one with the diesel"
>> I must replace my throttle cable, it is old and hard to work.
>> Regards, Don
>> http://www.eve.ucdavis.edu/stronglab/
>>
>> On 2/28/12 5:56 AM, Julian Adams wrote:
>>>
>>> Thanks Don. Well you anticipated my query. I know that other
>>> boats have a stop lever, but mine (I have Universal 5424 engine)
>>> does not. I had always thought that that second stop lever was for
>>> compression release. Every so often I cannot stop the engine by
>>> pressing down on the throttle lever so that's when I go down below
>>> open up the engine compartment and lift the compression release
>>> lever. So what is the stop lever connected to if it is not the
>>> compression release?
>>> Julian
>>>
>>> Description: seal2
>>> ****************************************************************************
>>> Julian Adams
>>> Professor of Molecular, Cellular and
>>> Developmental Biology, and of
>>> Ecology and Evolutionary Biology,
>>> University of Michigan
>>> 830 N. University, Ann Arbor MI 48109-1048
>>> Tel. (734)-763-3431; Fax (734)-647-0884;
>>> E-mail julian at umich.edu <mailto:julian at umich.edu>
>>>
>>> ****************************************************************************
>>>
>>> *From:*Don Strong [mailto:drstrong at ucdavis.edu]
>>> *Sent:* Monday, February 27, 2012 4:03 PM
>>> *To:* Catalina 38 Listserve
>>> *Subject:* Re: [C38] stop switch
>>>
>>> Dear Julian: My Yanmar has two levers on the bow end, starboard side
>>> of the engine. One is the throttle, and the other is what Yanmar
>>> calls the "stop lever."
>>> Both are connected by cables to the cockpit. Pill on the cable for
>>> the stop in the cockpit, and the engine stops instantly. If the
>>> cockpit cable freezes up, as it did before I replaced the cable, the
>>> engine can be stopped by pushing on the stop lever on front of the
>>> engine.
>>> The compression release is used for just what Chuck suggests. I
>>> also used it once when the manifold bolts broke, which resulted in
>>> exhaust water shooting into the exhaust ports. I killed the engine,
>>> opened the compression releases, squirted diesel into each cylinder,
>>> and turned the engine over with the battery. No harm resulted to the
>>> engine from this potential disaster. We replaced the bolts and
>>> running again in two hours. If it had been a gas engine, I would
>>> have had to remove the spark plugs to clear any water from the
>>> cylinders.
>>>
>>> Don
>>>
>>> On 2/27/12 12:49 PM, Chuck Finn wrote:
>>>
>>> We stop our engines by starving them of fuel. The reason diesel
>>> engines don't have spark plugs is cylinder compression is high
>>> enough to cause the fuel to begin and sustain combustion. The
>>> decompression lever simply lowers the compression pressure in the
>>> cylinders and is generally used to help turn over our engines when
>>> it is very cold or the battery is low. It can be used in an
>>> emergency to shut down the diesel, but this leaves fuel in the
>>> cylinders (not good) and causes hot gases to blow by the partially
>>> opened valves. While this probably does not hurt once in a while, I
>>> believe it would hurt your valve seats, guides, etc. in the long
>>> run. Besides the fact you are mucking up your engine!
>>>
>>> If you are having trouble starving the engine, you need to adjust
>>> your throttle linkage.
>>>
>>> Hope this helps!
>>> Chuck Finn
>>> Mighty Quinn #114
>>> Great Lakes
>>>
>>> On 2/27/2012 12:06 PM, Julian Adams wrote:
>>>
>>> I note the Service manual says that you must not use the
>>> decompression lever to stop the engine -- saying it causes serious
>>> damage to the exhaust valves. I've used it many times -- is this
>>> really a problem. What does it do to the Exhaust valves? (and what
>>> is it for anyway?)
>>> Julian Adams
>>>
>>> *From:*Steve Smolinske [mailto:SSmolinske at rainierrubber.com]
>>> *Sent:* Sunday, February 26, 2012 5:59 PM
>>> *To:* Catalina 38 Listserve
>>> *Subject:* Re: [C38] head gasket
>>>
>>> http://www.marinedieseldirect.com/universal/200157/universal-owners-manual-caution-statements.html
>>>
>>> Universal engine manuals online
>>>
>>> Steve
>>>
>>> *From:*listserve-bounces at catalina38.org
>>> <mailto:listserve-bounces at catalina38.org>
>>> [mailto:listserve-bounces at catalina38.org]
>>> <mailto:[mailto:listserve-bounces at catalina38.org]> *On Behalf Of
>>> *PAUL NOTTE
>>> *Sent:* Sunday, February 26, 2012 11:36 AM
>>> *To:* listserve at catalina38.org <mailto:listserve at catalina38.org>
>>> *Subject:* [C38] head gasket
>>>
>>> I need to change the head gasket on Impulse and I'm looking for a
>>> free repair manual , has anyone found one on the net ?
>>>
>>> Paul
>>>
>>> Impulse
>>>
>>>
>>>
>>>
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>>>
>>>
>>>
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>>>
>>>
>>> --
>>> Donald R. Strong
>>> Professor
>>> Dept. of Evolution and Ecology
>>> University of California, Davis 95616
>>>
>>>
>>> _______________________________________________
>>> Listserve mailing list
>>> Listserve at catalina38.org
>>> http://catalina38.org/mailman/listinfo/listserve_catalina38.org
>>
>> --
>> Donald R. Strong
>> Professor
>> Dept. of Evolution and Ecology
>> University of California, Davis 95616
>>
>>
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>
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--
Donald R. Strong
Professor
Dept. of Evolution and Ecology
University of California, Davis 95616
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