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Author Topic: Transmission replacement  (Read 806 times)

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kh3412

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Re: Transmission replacement
« Reply #15 on: April 16, 2019, 04:31:57 PM »

Update on the work. Cleaned the engine compartment, Glassed the area that was cut for clearance of the relocated shifter. Started Insulating engine compartment with 1" insulation. Removed the small pieces of wood that hold the steps and added some epoxy behind to help tighten up them up. Had to stop the insulation due to the wood on the port side being rotted. So waiting for some teak to arrive. Made a bracket for the shift cable and will get it to the boat to make sure it will fit.
Has anybody replaced their strut, and have any hints? Thinking i should consider this as it is looking rather poor.   
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1987 mk1 a work in progress #618

Jon W

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Re: Transmission replacement
« Reply #16 on: April 16, 2019, 04:46:11 PM »

If you’re asking about the prop strut, Noah recently replaced his.
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Jon W.
s/v Della Jean
Hull #493, 1987 MK 1, M25XP, Manson Supreme 35
San Diego, Ca

kh3412

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Re: Transmission replacement
« Reply #17 on: April 16, 2019, 04:55:07 PM »

Thanks Jon that's it.
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1987 mk1 a work in progress #618

Noah

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Re: Transmission replacement
« Reply #18 on: April 16, 2019, 05:13:12 PM »

Yep, I (with boatyard experts) did it in Oct. Not a project to be taken lightly. I would avoid it unless absolutely warranted.  Big/expensive; grinding, cutting, fiberglassing job. PM or email me and we can discuss details. “Someday” I will do a tech wiki write-up with pics.
« Last Edit: April 17, 2019, 11:14:30 AM by Stu Jackson »
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1990 hull #1014, San Diego, CA,  Fin Keel,
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kh3412

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Re: Transmission replacement
« Reply #19 on: April 16, 2019, 05:46:22 PM »

Very nice.
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1987 mk1 a work in progress #618

Breakin Away

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Re: Transmission replacement
« Reply #20 on: April 16, 2019, 06:59:38 PM »

Thanks for posting these pics! Your timing is perfect. I sent a link to my boatyard to see an example of how it's done with the Catalina strut.
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2001 MkII Breakin' Away, #1535, TR/WK, M35BC, Mantus 35# (at Rock Hall Landing Marina)

Noah

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Re: Transmission replacement
« Reply #21 on: April 16, 2019, 07:06:13 PM »

PM or email me if you need more info/pics/video/etc. Good luck. There also also a factory spec. pdf doc. sheet/install drawing instructions on the CD website, I believe. BTW- mine was installed with micro balloons and vinyl ester resin. Not epoxy resin.
-Noah
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1990 hull #1014, San Diego, CA,  Fin Keel,
Standard Rig

Breakin Away

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Re: Transmission replacement
« Reply #22 on: April 16, 2019, 07:11:36 PM »

PM on the way.

I also sent my boatyard a link to the CatalinaDirect website, and mentioned the downloadable instructions that are contained there. I'll forward any other info that you have as well. Thanks!
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2001 MkII Breakin' Away, #1535, TR/WK, M35BC, Mantus 35# (at Rock Hall Landing Marina)

KWKloeber

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Re: Transmission replacement
« Reply #23 on: April 17, 2019, 06:18:35 AM »

Noah

Really nice work. Are you really positive about the adoption thing?  It’s only a 30-footer after all.
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Twenty years from now you'll be more disappointed by the things you didn't do, than by the ones you did.
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Roc

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Re: Transmission replacement
« Reply #24 on: April 18, 2019, 10:02:03 AM »

Noah
How were they sure the strut installation was aligned perfectly, and not skewed?  Boat's on the hard and the hull is flexed.  Just curious.
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Noah

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Re: Transmission replacement
« Reply #25 on: April 18, 2019, 10:51:25 AM »

Measure, eyeball, align centered so shaft is centered in stern tube. Then fingers crossed. My hull was not deformed. Had to slightly adjust/lower front motor mounts when all said and done but it was almost 100% spot on.
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1990 hull #1014, San Diego, CA,  Fin Keel,
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Stu Jackson

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Re: Transmission replacement
« Reply #26 on: April 18, 2019, 11:26:07 AM »

Noah
How were they sure the strut installation was aligned perfectly, and not skewed?  Boat's on the hard and the hull is flexed.  Just curious.

A not unreasonable expectation.

However, it appears to me that the folks who do this work for as living would know a lot better than us average DIY-ers just how to do so. 

The strut is in very close proximity to the stern tube, so hull flex could well be "similar" in that particular area.  Certainly close enough to not have a material effect on lining the two up properly.  And the strut is made specifically for this boat.

We must also remember that there are tolerances and clearances for these alignments, even between the strut, the cutlass bearing and stern tube.

Probably just a longer-winded way of saying what Noah did!  :D
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Stu Jackson, C34 IA Secretary, #224 1986, "Aquavite"  Cowichan Bay, BC  Maple Bay Marina  SR/FK, M25, Rocna 10 (22#) (NZ model)

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