Date
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Super Maramu Repower
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Mark Barter
We have just taken Nunky on her maiden voyage from Antibes to Almerimar over 5-6 weeks and we have loved the whole experience. The boat just feels so safe. Now that we have some experience of the boat I am hoping to be able to contribute to the group and the knowledge base.
One thing about the Western Med that I have noticed however is the amount of motoring you have to do. We have put 130 hours on the engine in just over 800 miles. Nunky currently has the original Perkins M80T fitted. The hour meter broke at some point so I have no idea how many hours it has done. The new meter read 10 when we bought her but I doubt that was fitted 10 hours before we the boat. Anyway we were considering a complete overhaul but a head gasket problem we had in Cartagena suggests that is the least we should do. Given that I have no idea how many hours the Perkins has done I am thinking about replacing it. I have read and reread all the previous posts about repowers and I am edging towards a Beta 75. I like the fact that the engine is simple, they seem to have an excellent reputation and they will also fit a bespoke charging solution. That appeals because when we fit lithium eventually I would like a high capacity 24v alternator fitting. I would really appreciate the group's current views on repowers that have been undertaken. Many thanks -- Mark & Nicky Barter S/V Nunky SM 110 |
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Dan Wilcox
A little over a year ago we re-powered Feierabend with a Beta 85 from the original Perkins M80T. Now we use less fuel, get significantly more torque, and have a quieter ride when we have to motor. With a maxProp we cruise at 7.8 knts @ 1800 rpms (2,700 is wide open). I'm located in Seattle area and typically we cruise year round. The engine now has 300+ hours with no issues. Thanks, Dan Wilcox Feierabend SM#86
On Monday, August 31, 2020, 07:14:27 AM PDT, Mark Barter <markbarter100@...> wrote:
We have just taken Nunky on her maiden voyage from Antibes to Almerimar over 5-6 weeks and we have loved the whole experience. The boat just feels so safe. Now that we have some experience of the boat I am hoping to be able to contribute to the group and the knowledge base. One thing about the Western Med that I have noticed however is the amount of motoring you have to do. We have put 130 hours on the engine in just over 800 miles. Nunky currently has the original Perkins M80T fitted. The hour meter broke at some point so I have no idea how many hours it has done. The new meter read 10 when we bought her but I doubt that was fitted 10 hours before we the boat. Anyway we were considering a complete overhaul but a head gasket problem we had in Cartagena suggests that is the least we should do. Given that I have no idea how many hours the Perkins has done I am thinking about replacing it. I have read and reread all the previous posts about repowers and I am edging towards a Beta 75. I like the fact that the engine is simple, they seem to have an excellent reputation and they will also fit a bespoke charging solution. That appeals because when we fit lithium eventually I would like a high capacity 24v alternator fitting. I would really appreciate the group's current views on repowers that have been undertaken. Many thanks -- Mark & Nicky Barter S/V Nunky SM 110 |
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Germain Jean-Pierre
Hello Mark and Nicky,
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Welcome aboard!!! If I had your situation, I would think more of an overhaul than Beta. Lots of spare parts available through Parts4engines.com. If after analysis, an engine swap is needed, the Beta would also be my choice Kind regards, Jean-Pierre Germain, Eleuthera, SM007, NZ On 1/09/2020, at 2:14 AM, Mark Barter <markbarter100@...> wrote:
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I believe the Beta 85 is the best engine to repower the SM or 54. There are lots of reasons...here are a few: Beta understands the isolated ground Beta 85 is Kubota powered Beta 85 has no computer and sensors Here is some contact information for those interested:
Email me privately at brouse@... if you are interested in a discount from Beta Bill
On Mon, Aug 31, 2020 at 5:31 PM Germain Jean-Pierre <jp.germain45@...> wrote:
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We have recently been through the process. Couldn't justify the dollars to make the Volvo tmd new again. Oil leak. Turbo rebuild.
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We have installed a new beta 60. Plenty of power. Lots of torque. Big electrodyne alternator. Remote filters for easy access.
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Mark Barter
Thank you all for the really useful information.
I had thought about a rebuild but a lengthy article on Morgans Cloud convinced me that repowering is the better option. The overall conclusion was that a rebuild can very easily go wrong so that you end up repowering anyway. With regard to the Beta engine, a lot of people seem to shy away from turbo models. I can see that the 85 is a turbo. Is there any reason to avoid turbos? The Perkins is 30 years old and is a turbo and it seems to be just fine. Next problem is finding a suitable engineer in Southern Spain. -- Mark & Nicky Barter S/V Nunky SM 110 |
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Mark, In my opinion, the biggest issues with a 30 year old Perkins rebuild are: 1.) Too many times only a partial rebuild is done. This can be the fault of the owner or the mechanic. 2.) Finding the "right" mechanic. 3.) Having the guts to cancel the rebuild halfway into it because new issues are found and either the shop was forced to give a fixed bid, or the owner doesn't want to spend more than X. 4.) Because most parts available today are Chinese, the availability of original parts to do the job will force the use of questionable quality parts. 5.) Even if 1-4 work out perfectly for you, the same parts availability issue will haunt you after the rebuild. I recommend the Beta 85 as the best option available for SMs. Best, CW Bill Rouse Amel Owners Yacht School +1 832-380-4970 | brouse@... 720 Winnie, Galveston Island, Texas 77550 www.AmelOwnersYachtSchool.com Yacht School Calendar: www.preparetocastoff.blogspot.com/p/calendar.html On Wed, Sep 2, 2020, 2:07 AM Mark Barter <markbarter100@...> wrote: Thank you all for the really useful information. |
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Hello,
Looking at beta I saw a Beta 90 3,6L 4 cylinder aspirated mechanical diesel for commercial use. Would this be suitable or the EPA compliancy issues to complicated? Regards Denis ex Meltem #32 |
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Denis, I was told, no. But I was told the Beta 85 does meet EPA standards. You should get first-hand information by contacting Beta US:
On Wed, Sep 2, 2020 at 9:03 AM Denis Foster <deniswfoster@...> wrote: Hello, |
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I’ve had good first hand dealings with Stan at Beta on my previous boat. He definitely knows his stuff, is quite helpful and was very responsive to get out a comprehensive written quote. It would be nice to share with the group what he quotes you for a “drop in replacement” of the Volvo Penta engine.
From: main@AmelYachtOwners.groups.io <main@AmelYachtOwners.groups.io> On Behalf Of Denis Foster
Sent: Wednesday, September 2, 2020 10:04 AM To: main@AmelYachtOwners.groups.io Subject: Re: [AmelYachtOwners] Super Maramu Repower
Hello, |
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You may not be "allowed" to put that into a boat. However I doubt if anyone will ever notice it though.
What you may need to consider is the weight of these things. Although virtually indestructible that comes at a weight penalty. Also many of those industrial beasts are direct injection. That makes them very fuel efficient but noisy as hell as well. So if you do extensive motoring at times, just to get to you destination (most of us do) then think about the noise. It is a very personal thing but for me engine noise is really annoying. Vibration may be up as well simply because of the way the diesel ignites in the cylinder. Indirect injected engines are much more quiet, unless you go common rail and electronic injection. This is the main reason why the world changed to common rail diesel: you get good efficiency of the direct injected and the noise of a indirect injected. Added bonus is less emissions especially with exhaust gas afer-treatment as commonly done in cars now. Regards, Arno Luijten SV Luna A54-121 |
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