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Go Back   SailNet Community > On Board > Gear & Maintenance > Repowering Help
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Thread: Repowering Help Reply to Thread
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Topic Review (Newest First)
11-15-2011 09:46 PM
DwayneSpeer
Quote:
Originally Posted by sailingdog View Post
If you plan to cruise outside of the US, stay away from Beta Marine, which does not have service or support in other parts of the world IIRC.
Beta engines are Kubotas which have parts and service world wide. Beta just adds all the stuff needed to run them with water cooling and other nice to have things like an oil change pump.

I too, love my Beta.
11-15-2011 06:49 PM
spillarc
Quote:
Originally Posted by sailingdog View Post
If you plan to cruise outside of the US, stay away from Beta Marine, which does not have service or support in other parts of the world IIRC.
Beta Marine Diesels are made in the UK...I would imagine you could get it serviced in the UK. Last time I checked, the UK is outside of the US.

Love my Beta!
11-15-2011 06:24 PM
SanDiegoChip
Beta all the way

We also repowered our 36 sail boat from a Perkins 4-108 to a 38 hp Beta. So far, OK only 15 hours on it but it is still kicking!
See post “Any pros cons on the Beta Marine engines please?”



Chip
11-11-2011 12:41 AM
Capt Len Regardless of who you are dealing with, a Kubota has got to be the best bang for the buck
11-10-2011 09:30 PM
dasvt boat is in the building we rented in newport parts are on order i will keep you posted as we make progress
10-04-2011 01:54 PM
tommays Well

The DC to AC deal would happen in the control and is how its done in the most modern forktrucks

A big issue on a motor that size is it will need a powered cooling fan which will eat some amps

Even a AC VFD drive goes AC to DC back to AC to perform its tricks
10-04-2011 01:02 PM
kd3pc
Quote:
Originally Posted by junkrig View Post
And if you run them all the way down to 10 (200 for the bank) there is no guarantee they will recharge even once.
thus my comment about a spectacular failure of a component...

and without proper fusing or current limiting hardware, the "motor" may spin once or twice and then the batteries may flash/incinerate/smolder...that current has to go somewhere.

And if there is a weak/marginal cell or poor manufacture...well about the same result.

the exide paper is just their spin sheet....nothing new there.

the bigger question is how are you going to convert all this DC to 3phase 200 VAC that the motor you mention requires...or did I miss something there..?
10-04-2011 12:35 PM
mitiempo Exactly.
10-04-2011 12:34 PM
junkrig
Quote:
Originally Posted by mitiempo View Post
A 12 volt battery is fully charged at about 12.8 volts resting. The lowest you want to take them to for long life is 50%, or about 12 to 12.1 volts. They are considered dead at 10.5 volts.

As you will have 20 batteries take your lower voltage of 200 and divide by 20. That equals 10 volts and you will never get there running a motor. 50% SOC for your massive bank is about 240 - if you go much lower the batteries will have a very short life.
And if you run them all the way down to 10 (200 for the bank) there is no guarantee they will recharge even once.
10-04-2011 12:21 PM
mitiempo A 12 volt battery is fully charged at about 12.8 volts resting. The lowest you want to take them to for long life is 50%, or about 12 to 12.1 volts. They are considered dead at 10.5 volts.

As you will have 20 batteries take your lower voltage of 200 and divide by 20. That equals 10 volts and you will never get there running a motor. 50% SOC for your massive bank is about 240 - if you go much lower the batteries will have a very short life.
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