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Go Back   SailNet Community > General Interest > General Discussion (sailing related) > Running a portable generator at an angle of heel
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Topic Review (Newest First)
11-13-2012 08:39 AM
Maine Sail
Re: Running a portable generator at an angle of heel

Quote:
Originally Posted by JonEisberg View Post
To the best of my recollection, on my 1000, the 8 amp figure refers to the 12v output through an accessory plug with clips that can be attached to a battery's terminals... But that voltage is only minimally above 12v - nothing close to the 14+ volts either my alternator or battery charger will put out, and completely unfiltered/unregulated... Seems only useful for "jump-starting" a dead battery, to me - that's my primary reason for having one aboard, at any rate...

That's why I suggested in my initial post -and why others like Maine Sail have concurred - that such generators are a very inefficient means of charging batteries, without the use of a separate 110v charger... The OP appears to have lost interest in this issue, however... (grin)
Both the EU1000 and the EU2000 have a 12V / 8A DC output. This output is utterly useless for charging compared to using the AC side of the generator.

It is far more efficient to use the EU series generators to power an on-board battery charger, unless of course your on-board charger is 10A.......
11-13-2012 08:07 AM
JonEisberg
Re: Running a portable generator at an angle of heel

Quote:
Originally Posted by Minnewaska View Post
Chef,

The 8amp output of the Honda is at 110v, not 12v. Roughly speaking, it would be capable of 10 times the amps at 12v. amps x volts = watts.

Essentially, your battery charger is making this switch.
To the best of my recollection, on my 1000, the 8 amp figure refers to the 12v output through an accessory plug with clips that can be attached to a battery's terminals... But that voltage is only minimally above 12v - nothing close to the 14+ volts either my alternator or battery charger will put out, and completely unfiltered/unregulated... Seems only useful for "jump-starting" a dead battery, to me - that's my primary reason for having one aboard, at any rate...

That's why I suggested in my initial post -and why others like Maine Sail have concurred - that such generators are a very inefficient means of charging batteries, without the use of a separate 110v charger... The OP appears to have lost interest in this issue, however... (grin)
11-12-2012 08:51 PM
Minnewaska
Re: Running a portable generator at an angle of heel

Quote:
Originally Posted by chef2sail View Post
I connect the Honda via adaptor to the shorepower inlet on my boat. Mastervolt charger is connected to AC side of the Blue Sea Panel so yes I see 60 amp at bulk.

The 8 amp rating was from the Honda literature and must come from the generators 12 volt outlet which I rarely use at all.

dave
Chef,

The 8amp output of the Honda is at 110v, not 12v. Roughly speaking, it would be capable of 10 times the amps at 12v. amps x volts = watts.

Essentially, your battery charger is making this switch.
11-12-2012 08:25 PM
chef2sail
Re: Running a portable generator at an angle of heel

I connect the Honda via adaptor to the shorepower inlet on my boat. Mastervolt charger is connected to AC side of the Blue Sea Panel so yes I see 60 amp at bulk.

The 8 amp rating was from the Honda literature and must come from the generators 12 volt outlet which I rarely use at all.

dave
11-12-2012 06:53 PM
Maine Sail
Re: Running a portable generator at an angle of heel

Quote:
Originally Posted by chef2sail View Post
Gottch Maine,

I wasnt splaining myself very well. When I use the eu2000 I have to charge I ws only see 8 amps my Victron ...when I ran it through my shorepower and used my Mastervolt carger I saw 60 amp charge on the Victron. Usually at 2700 rpm ogn the enhine I am seeing 60 amp in on thre Victorn when the battery banks are depleted past the 85% mark.

Do these values make sense? Are they OK?
Dave,

Are you running the Mastervolt battery charger off the Honda and only seeing 8A or are you using the generators 12V output to charge and seeng 8A?


Your Honda should easily drive your Mastervolt charger to it's full rated output..
11-12-2012 05:49 AM
chef2sail
Re: Running a portable generator at an angle of heel

Gottch Maine,

I wasnt splaining myself very well. When I use the eu2000 I have to charge I ws only see 8 amps my Victron ...when I ran it through my shorepower and used my Mastervolt carger I saw 60 amp charge on the Victron. Usually at 2700 rpm ogn the enhine I am seeing 60 amp in on thre Victorn when the battery banks are depleted past the 85% mark.

Do these values make sense? Are they OK?
11-11-2012 11:06 PM
Maine Sail
Re: Running a portable generator at an angle of heel

Quote:
Originally Posted by chef2sail View Post
Honda 1000 8 amp per hour
Honda 2000 13.3 amp per hour
Chef,

I believe what you are referring to are the AC amp load capabilities for sustained use. Converted to DC you can get a heck of a lot more than 8 Ah's or 13.3Ah's out of a Honda 1000 or 2000.. There is a difference between saying "amps" and "ah's" or "amps per hour"..

The 1000 watt or (8.3A) and 2000 watts or (16.7A) are not continuous duty ratings for these generators. One of those "read the fine print" deals manufacturers get you with... For the EU1000 it's rated at 900W AC (7.5A) and for the EU2000 it is rated at 1600W AC (8.3A) continuous duty.. I know my EU2000 will shut down on over temp running 7.9A - 8.0A continuous so I suspect the 8.3A is a best case scenario +/-...

Quote:
Originally Posted by chef2sail View Post
Electramax alternator 80 amo. 60 amps per hour

The Electromaax is already rated in DC current and when hot your 80A unit can likely pump out 60A all day long. If you run it for an hour at 60A you have replaced 60Ah's to your bank. It is an 80A rated unit not 80Ah rated... I know, confusing......

Off an EU2000 you can run upwards of an 80A AC charger, depending upon how efficient it is. This would give you 80Ah's if you ran it for an hour but it wold be an 80A charger....

What ever you do don't use the DC output on these to try and charge batteries. They are as useless as tits on a bull... If you are going to run one of these, and create the sound pollution, you might as well maximize the DC charging by installing the largest AC powered battery charger the generator can handle.....
11-11-2012 10:00 PM
hellosailor
Re: Running a portable generator at an angle of heel

"Honda 1000 8 amp per hour
Honda 2000 13.3 amp per hour"

Misleading? No more so than "knots per hour". When you see "amps per hour" that's an immediate tipoff that something has gang aglay. In both cases the "per hour" is simply wrong.

"...The Honda EU1000i has a maximum of 1000 watts/8.3 amps @ 120V. It is super quiet, 53-59 dBA"
" The EU2000i, lightweight generator which produces 2000 watts/16.7 amps @ 120V of maximum power. It is super quiet, 53-59 dbA"

I know people who have been clocked at 76db talking on the phone. Folks who refuse to believe they are shouting because they have signifcant hearing loss and somehow think that they have to shout to be heard because of it. Is 59dbA quiet, out on the water? Hellno. Quieter than many gensets? Could be.
11-11-2012 09:28 PM
JonEisberg
Re: Running a portable generator at an angle of heel

Quote:
Originally Posted by Minnewaska View Post

Quote:
Originally Posted by chef2sail
Honda 1000 8 amp per hour
Honda 2000 13.3 amp per hour


Electramax alternator 80 amo. 60 amps per hour

Aren't those a little misleading, as one is at 12v and the other at 110v?

Amps x volts = watts
I don't know, those all sound like 12V numbers, to me...

Quote:
Originally Posted by zeehag View Post
honda 2000, but it wont run at an angle--while sailing, why do ye need a generator to run>?????

i was very disappointed in th 1000, so i traded it when i first bought it , for a 2000, and i still have that 2000, now, 10 yrs later. it still runs and still charges and is still quiet.....
Funny, how the only people who seem to think these things are "quiet", or "virtually silent", are those that use them? Definitely, a 'not minding the smell of one's own farts' sort of deal, seems to me... (grin)

I passed thru the Great Bridge Lock last night, arriving at Atlantic Yacht Basin just before midnight... At the free dock before the GB Bridge, there was a catamaran with what appeared to be a Honda 2000 running on deck... Despite the ambient road traffic noise, and the sound of my own engine, I first heard that thing from a considerable distance off...

Despite all the plentiful breeze and solar available, I've become resigned to the fact that these things have infested the Bahamas... They're simply just another reason for my preference to get off the beaten track... But when I see them being run in places like Northeast Harbor on Mt. Desert, or Lake Sylvia in Lauderdale, I really have to wonder at the lack of consideration on display...
11-09-2012 01:13 PM
onestepcsy37
Re: Running a portable generator at an angle of heel

i think you should go with the honda 1000. i can't imagine any kind of big loads you would have on a hunter 25 with a small battery bank. if you truly need the additonal power the 2000 is not much more expensive but then where do you store it on a 25 foot boat?

we have a 37 foot cruiser with 550 amps of battery. i bought the 1000. it fits neatly in the lazarette (after i run it out of gas). it's big enough to run my 35 amp charger with power to spare - think i could easily run a 40 amp charger. at anchor for long periods we used to run it every other day for two hours. now with a solar panel it's every three days. i can also run power tools when i need them, which is almost never.

on a small boat you need to think small.....
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