Engine Day
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=27910
Printed Date: November-18-2024 at 4:38pm
Topic: Engine Day
Posted By: KRoundy
Subject: Engine Day
Date Posted: September-24-2012 at 3:01am
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This weekend was a big step towards the completion of my "Rough '93 Ski" project. If you'd like to see what it is like to pull an engine from a 1993 Ski Nautique, have a look: http://kroundysboat.wordpress.com/2012/09/23/pulling-the-engine/" rel="nofollow - Kevin's Boat Blog ------------- Previous: 1993 Electric Blue/Charcoal Ski Nautique Current: 2016 Ski Nautique 200 Open Bow |
Replies:
Posted By: Gary S
Date Posted: September-24-2012 at 1:49pm
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Kevin,I admire your perseverance. One thing worries me though,you have the whole weight of the engine being held by the stand on the aluminium bellhousing.Normally the bellhousing is removed and the stand adapter is then bolted right to the engine block. After all that work you don't want to drop it or hurt someone. I do see light at the end of the tunnel,won't be long now for a water test! ------------- http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS 95 Nautique Super Sport |
Posted By: KRoundy
Date Posted: September-24-2012 at 2:02pm
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Gary, OH!!!!  Thank you for that observation. I didn't realize the normal process was to remove the bellhousing. I will do that as soon as I get home this afternoon. The stand is a "backup" to the hoist at the moment. I'd say that 75% of the weight is still on the hoist and 25% is on the stand. Kevin ------------- Previous: 1993 Electric Blue/Charcoal Ski Nautique Current: 2016 Ski Nautique 200 Open Bow |
Posted By: Dreaming
Date Posted: September-24-2012 at 3:09pm
Looking good! glad it all worked out, and it looks like you didn't even need to monkey with the trailer! 
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Posted By: KRoundy
Date Posted: September-24-2012 at 3:43pm
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Kris - As I thought, the trailer is so bent that I was able to get it out by just lowering the front end down to the ground and having the windshield removed made it very easy to essentially just roll it out the front. ------------- Previous: 1993 Electric Blue/Charcoal Ski Nautique Current: 2016 Ski Nautique 200 Open Bow |
Posted By: moon
Date Posted: September-24-2012 at 11:25pm
| a friend with a tow truck works even better to remove / install engine |
Posted By: KRoundy
Date Posted: September-25-2012 at 1:15pm
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moon, if I knew anybody with a tow truck I would give that a try. ------------- Previous: 1993 Electric Blue/Charcoal Ski Nautique Current: 2016 Ski Nautique 200 Open Bow |
Posted By: KRoundy
Date Posted: October-01-2012 at 7:49pm
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Now that the engine is out of the purple boat, time to tear it down for a ride to the dump. These photos are interesting and sort of sad all at the same time. Stupid tree! Note the HUGE crack in the floor I found after pulling up carpet. The tree damage is deeper than I imagined:  Photos of the weekend job and current status:       I worked until the cheap-o reciprocating saw I purchased (Harbor Freight - what do you expect?) gave up. I'm going to buy a better saw tonight and keep going. Any views or requests for data as I go? I'll be working to get a photo of the composite stringers as I'm sure all of us would like to see how they look after 19 years! ------------- Previous: 1993 Electric Blue/Charcoal Ski Nautique Current: 2016 Ski Nautique 200 Open Bow |
Posted By: Gary S
Date Posted: October-01-2012 at 8:28pm
I imagine by now Kevin the neighbors will be happy that your almost done  You have to start lining up the next project to keep them on their toes  ------------- http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS 95 Nautique Super Sport |
Posted By: KRoundy
Date Posted: October-01-2012 at 8:33pm
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Neighbors? My WIFE will be thrilled when the broken boat is out of our driveway and we can park our cars off the street again! Keeping her happy keeps the household functioning. My neighbors, for the most part, keep asking when I will be done so they can go "for a boat ride." Little do they know I plan to teach their kids how to ski and get them hooked on the sport! :) ------------- Previous: 1993 Electric Blue/Charcoal Ski Nautique Current: 2016 Ski Nautique 200 Open Bow |
Posted By: KRoundy
Date Posted: October-05-2012 at 4:04am
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The parts boat is ready for the dump. It was quite an afternoon: http://kroundysboat.wordpress.com/2012/10/04/the-end-of-the-tree-nautique/" rel="nofollow - Boat Chop-up ------------- Previous: 1993 Electric Blue/Charcoal Ski Nautique Current: 2016 Ski Nautique 200 Open Bow |
Posted By: KRoundy
Date Posted: October-05-2012 at 4:13am
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I'm posting these photos here to provide some better images for folks to see the inside of a 1993 Ski Nautique. A few thoughts: 1. I now think all boats have some wet foam. 2. I didn't realize the aluminum sub-frame existed. It is literally what the engine bolts to. 3. These boats are built very well. Thick walls, good sub-structure and and integrated layup design. Nice job, CC!    ------------- Previous: 1993 Electric Blue/Charcoal Ski Nautique Current: 2016 Ski Nautique 200 Open Bow |
Posted By: Kristof
Date Posted: October-05-2012 at 6:09am
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So let me get this right... you have the fiberglass floor, then a layer of foam, then an aluminium frame, then foam again... Or is the layer between the foam layers also fiberglass and just the thin vertical plate aluminium? Other question... Would it be possible to do this setup on the older boats? ------------- - Gun control means: using BOTH hands! - Money doesn't make one happy, but when it rains cats and dogs, it's still better to cry in a Porsche than on a bicycle... |
Posted By: TimSpangler
Date Posted: October-05-2012 at 10:52am
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Did you keep the in-floor cooler and bat box (w/ lids and trim?) |
Posted By: KRoundy
Date Posted: October-05-2012 at 2:21pm
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Kristof, That aluminum plate is vertical at this point in the boat. Interestingly, it is a L-shape at some points where the engine mounts. The L is up-side-down and goes right under the floor. At this point it does appear that the fiberglass floor is double-walled with foam in-between for some reason. It is really hard to see, but there is a composite stringer in the midst of all that foam as well. Tim - I suppose you could say I "kept" the in-floor cooler and battery box. I am keeping the lids as they are just carpeted pieces that nest into the holes in the floor. What do you mean by "trim"? They are basically just glassed into the boat floor. See picture below: I have this section of the boat still as one complete, and very heavy, piece. This section was cut out from what is the front here back to the beginning of the engine compartment.  Good image of the composite structure in that picture too. ------------- Previous: 1993 Electric Blue/Charcoal Ski Nautique Current: 2016 Ski Nautique 200 Open Bow |
Posted By: TimSpangler
Date Posted: October-05-2012 at 3:12pm
| I was just going to say that for someone doing a stringer job on an older SN they could come in handy if they wanted to add a cooler or second battery box. The older SN had an aluminum trim piece that went around the lid. This covered the carpet edge on both the lid and the floor. It was contoured around the corners and they are kind of hard to come by. Not sure the later SN had the trim. They should come out separately (the boxes). When I demoed an old '83 I kept them for later since my '82 didn't have the cooler. |
Posted By: Dreaming
Date Posted: October-05-2012 at 10:23pm
| Looks pretty interesting. I too wondered if this could be done in the older boats... seeing the design in section view makes me think it is possible. if you used roger (uk79's) pour foam in a mold idea, you could basically make a foam stringer, then wrap your glass around that to the right thickness. The question of cost is certainly a big one, that and time... I think Coosa might be stronger, and woudl be less labor time to make a similar final product. the only way I thnk this method could be economically feasible is by the economy of scale... 30 hulls, you could make a template on the ground, and have the hull guys laying up their part while the structure guys were working separately... |
Posted By: lewy2001
Date Posted: October-06-2012 at 4:54am
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I find the rear cross section confusing in that it looks like the stringer does not run the full length of the boat. I wonder if the stringers only continue till after the engine and then it becomes a full width floor support. You would think there would be a loss of strength in the stopping of the main stringers. It would be nice to get a few more cross sections to find out where the stringers changed. Front floor cross section  Rear Floor cross section.  ------------- If you're going through hell, keep going http://www.correctcraftfan.com/diaries/details.asp?ID=2999" rel="nofollow - 89 Ski <a href="http://www.correctcraftfan.com/diaries/details.asp?ID=5685" ta |
Posted By: GlassSeeker
Date Posted: October-06-2012 at 6:01am
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Looks like the foam in the bow was cracked a long time, or do you think the tree did it? ------------- This is the life |
Posted By: KRoundy
Date Posted: October-06-2012 at 1:06pm
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Dreaming - anything is possible... All it takes is time and money. :) lewy - Maybe I should take some more pictures before I take it to the dump today. I could dig out a little foam and see where the stringers end too. GlassSeeker - I am certain that the tree did that based on the fact that those are under the spot where the floor cracked. The damage from that tree was very deep. ------------- Previous: 1993 Electric Blue/Charcoal Ski Nautique Current: 2016 Ski Nautique 200 Open Bow |
Posted By: KRoundy
Date Posted: October-06-2012 at 8:21pm
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Took a few more pictures, but will have to post them later. Just for everybody's information the boat hull weighed 1,100 lbs (by the scale at the dump). That includes carpet, but the engine cradle was removed. ------------- Previous: 1993 Electric Blue/Charcoal Ski Nautique Current: 2016 Ski Nautique 200 Open Bow |