[C38] vibration under power
Steve Smolinske
SSmolinske at rainierrubber.com
Tue May 29 17:41:13 EDT 2012
Check your motor mounts, when I get vibration it is usually from one of
the mounts being loose, also prop may make a difference, when I motor
with the two bladed Folding prop there is more vibration then when I
have the three bladed feathering Max Prop.
Steve
From: listserve-bounces at catalina38.org
[mailto:listserve-bounces at catalina38.org] On Behalf Of Jay Sorensen
Sent: Tuesday, May 29, 2012 2:34 PM
To: Catalina 38 Listserve
Subject: Re: [C38] vibration under power
Hi Don, Thanks for the quick response. A practical guide for engine
alignment would be very useful. A cursory look on-line did not yield
anything. Vibration became more of an issue after installing a new
ZF-10. After a few hours break in, with more vibration than previously,
I have the coupling apart now and can visualize the misalignment. Just
not sure if I should start with the front mount, loosen everything first
or what! And those side mounts have very little clearance for a wrench.
Was skeptical about the chances of having vibration free running gear
without a flexible coupler but you give me hope! Thanks!..........Jay
________________________________
From: listserve-bounces at catalina38.org
[mailto:listserve-bounces at catalina38.org] On Behalf Of Don Strong
Sent: Tuesday, May 29, 2012 2:10 PM
To: Catalina 38 Listserve
Subject: Re: [C38] vibration under power
Jay: We have a solid shaft coupling on Discrete Charm and no vibration.
I would suspect that your engine and shaft are not aligned.
I was able to align my shaft in a couple of hours alone. With help, it
would go faster. Instructions are on line.
I will send you instructions for alignment if you want.
Regards, Don
On 5/29/12 1:47 PM, Jay Sorensen wrote:
Greetings All,
As we use our C-38 more and more we are finding that we'd like to reduce
the drivetrain vibration during motoring as much as possible. When
going to Catalina from San Diego it's a 10-12 hr motor and the vibration
can become annoying to Admiral Dorothy! Does anyone have experience
with the R&D flexible coupler, Bullflex, or any other brand? Is there
a brand to definitely stay away from? Did you have to shorten the shaft
or did you accept the extra distance between the prop and the strut?
Thanks!.......Jay
Jay L. Sorensen
Director, GMP Manufacturing
NovaRx, Inc
6828 Nancy Ridge Dr. Ste. 100
San Diego, CA 92110
Ph (858) 552-8600x3543
Fax (858) 638-0882
jsorensen at novarx.com
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--
Donald R. Strong
Professor
Dept. of Evolution and Ecology
University of California, Davis 95616
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