Hi Jim,Thanks for your message. We do have all the major engine manufacturers here and from what I know now cats/Volvo’s / Cummins/ would cost us about 160 k au and the yanmars would be about 40 k cheaper. We don’t want to spend this amount of money. We intend purchasing older engines / 8v 92 Detroit’s or we think that 60 series Detroit’s may be good ?? Whatever we get we will 100 % recondition so we don’t have any problems in the future. We are open for suggestions though. The 8v 71 need rebuilding and as you know very thirsty. I own an engineering company and I’m a Deisel mechanic by trade and Mick D the other owner has experience in medical gas and equipment installation and has done quite a bit of spray painting etc, so we should have most of the skills required.Regards Mick C
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Thread: 46 Convertible refit begins
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07-29-2019 02:54 AM #11
Re: 46 Convertible refit begins
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07-29-2019 02:57 AM #12
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07-29-2019 03:21 AM #13
Re: 46 Convertible refit begins
Hi Tom, Thanks for your email. We had already removed a lot of wiring from the engine bay etc and when removing the fly bridge we cut a lot out as well. We intend to just about strip the boat to a bare hull and start again. The wiring had years and years of add ons so it was areal mess.Thanks for the photos. Your boat looks great. Regards Michael
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07-29-2019 03:36 AM #14
Re: 46 Convertible refit begins
Hi,Thanks for your message. Yes we had to remove the flybridge to get it under the bridges and power lines here in Sydney. Had to be then transported early in the morning as a wide load wit escort vehicles. I don’t have a lot of photos of the removal but it was reasonably easier than I thought.Fortunately most of the screws up under the browe and the screws holding the flybridge down to the roof of the saloon came out easily. We had to disconnect some stainless hand rails as well. We disconnect/ cut all the wiring and hoses that went from the helm station down into the saloon and then down to the engine room. We then jacked off the the deck to the underside of the browe to make sure it was free before we attached to the crane. I think the flybridge has been removed before as there wasn’t much sealant holding it down (fortunately) . All in all it was easier than we expected. We then placed the flybridge on car tyres on the bow for transport.Allowing that we only intend to spend about 50 k au on engines our budget looks to be running at around 250 k Au allowing that we do most of the work ourselves. Keep in mind we intend to strip the boat back to a bare hull and start again. Regards Michael
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08-01-2019 04:08 AM #15Senior Member
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Re: 46 Convertible refit begins
Do not do all that work and stick 2strokes back in it.
Series 60s would be very nice...get the bigger ones (I think ~15liters?)FTFD... i drive a slow 1968 41c381
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Re: 46 Convertible refit begins
Are Series 60s still available where you are? They were very popular engines with North Carolina charter boat captains, which tells you something about their reliability and economy. As he says, get the bigger ones- 600-700 hp per engine would get you excellent performance and economy both.
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08-01-2019 07:44 PM #17Senior Member
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Re: 46 Convertible refit begins
Until I saw this post, I was tempted to make a joke about "that's not a refit...THIS is a refit" (pronounced in Mick Dundee fashion...knife scene in NYC, with a link to my Roamer post.
It's been my experience that with enough effort, you can get good running Cummins Diamonds and gears in that price range, but I don't know if 450~480hp is enough to push the Hatt 46. With the skill set you and your mate bring to the game, I think you'll be able to pull it off for that overall budget.
As to whether or not you can do it in 2~3 years...I hope you do, and I'll be watching every update! But if you splash before me, I'll be very impressed! lolLast edited by q240z; 08-01-2019 at 07:46 PM.
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Re: 46 Convertible refit begins
450-480 hp/side isn't really enough. I think the boat would just about plane, maybe... M11s, for my money. Or theirs. But they cost quite a bit more. I think Series 60s are a great idea, esp if he can major them himself..
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08-02-2019 03:35 PM #19Senior Member
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Re: 46 Convertible refit begins
8.3 cummins are too small for the 46c. I have 8.3 in my 41c which is much lighter and a more efficient hull that requires less HP (flat ass).
FTFD... i drive a slow 1968 41c381
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08-05-2019 02:36 AM #20