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#1
IP: 71.7.227.12
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Winter rebuild
Good day,
I am starting a new thread where people can follow my progress of the tear down and rebuild of a late model atomic 4 stevedor, out of a 1974 C&C27. This past weekend I managed to remove the engine from the C&c being carefull to label everything that is disconnected. Using my boom, main halyard, and main sheet I easily rigged a simple Derrick. By attaching the halyard to the end of the boom then detaching the main sheet from the traveler, and then to the motor, I was able to hoist the boom up to approximately 50-60 degrees. Using two lines to then stablize the boom from slewing side to side. Taking up on the four fold purchase on the main sheet rove to advantage, made lifting the motor manageable by a single person. Once clearing the companion way hatch easing of the main halyard and slewing the motor over the side was easily managed by a single person. |
#3
IP: 71.208.62.184
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BTW, with the way it is rigged, did you ride the engine all the way down? Look forward to the rebuild. Also, I have heard of the Stevedore, is that different from the usual Atomic Four? |
The Following User Says Thank You to romantic comedy For This Useful Post: | ||
Koerk (12-08-2018) |
#4
IP: 137.200.32.38
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The Following User Says Thank You to joe_db For This Useful Post: | ||
Koerk (12-08-2018) |
#5
IP: 107.77.97.120
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I've heard sometimes those restrictor plates fall out. Darn.
I pulled my engine that way and I have one comment: When reinstalling the engine, I'd put another line(like a jib halyard) from the masthead to the point where the mainsheet attaches on the boom. I like backup. Also, wrap the line down around the top block somehow so the attachment fitting is not stressed. follow the path of tension and consider the stresses all along the way. nice winter project. Keep calm and carry on, Russ
__________________
Whiskeyjack a '68 Columbia 36 rebuilt A-4 with 2:1 "Since when is napping doing nothing?" |
#6
IP: 71.7.227.12
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Doubling up halyards is an excellent precaution, in my case the jib halyard which is my only other rigged halyard was terribly chafed and needs immidiate replacement. After carefull consideration of the normal working loads , and how robust the existing bail attaching the mainsheet to the boom is I did not feel it necessary to reinforce any part of the boom. However to Do it again I would use a Web sling to tie a prucic just forward of the main bail, choking the boom creating a new strong point to attach the main halyard. Cheers. Last edited by Koerk; 12-08-2018 at 06:23 AM. |
#7
IP: 138.207.175.58
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Climbing experience? Firefighter maybe?
I suspect you felt a bit more comfortable with the boat in a cradle rather than on jackstands. Bill Last edited by Administrator; 12-08-2018 at 07:27 AM. |
#8
IP: 71.7.227.12
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Monday morning, I moved the A4 into a garden shed for the winter, which I am heating with a space heater. While working whenever firing up the torch I isolate the power to the shed, as a precaution. Good thing too. Thursday I had a din valve freeze open on a propane bottle after removing the torch. luckily I have 4 acres sloping down to the waterfront, so the gas could dissipate quickly below its lel, far away from possible ignition sources.
From the photos its quite clear this engine has considerable amount of corrosion around the exhaust flange and under the starter motor. I'm hoping to have everything sand blasted and painted up nicely before rebuilding the motor. From my knowledge the engine hasn't seen any work besides upgrading the old points ignition,and installing an electric fuel pump (not shown). What prompted the rebuild? A couple days after owning santeria my C&C 27 the A4 died in a beautiful display of thick white smoke. Choking out the tourists in beautiful Lunenburg NS. Not knowing what I didn't know about engines I quickly found the home of the afourians. And the confidence to undertake this project. Thanks! After the engine quit I cranked and cranked it... Oops forgot to close the seacock. Now I know the original problem was that the carb was gummed up with bad fuel. After closing the sea cock I cranked the engine over and over spraying seafoam down the plugs trying to remove any moisture from the cylinders as water was later discovered in the oil. I figured the water in the oil was siphoning back from my exhaust after my initial cranking spree with the sea cock open! and working its way down. Now it's well into fall 2017 and I had to pack up and head back to sea until the holidays. Draining the block by gravity I wasn't able to clear all the moisture from the cylinders before winter set it in. Spring 2018, I attempt turning the crank by hand to no luck. Lots of seafoam in the cylinder and beers for the wait I couldn't get anything even with a 24" breaker bar. Now I am here starting a rebuild of this old A4. |
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