Is there any interest in a 4.5 Kw, 48 VDC, portable diesel genset? They are similar in size and weight to the Alphagen, with a true 48 volt DC output at 80 amps. I have been needing these for my project, but have to get 10 to make it worth it. Contractor is asking $1650/ea., delivered to my door in SW Missouri. I only need 2, so the other 8 would be ready for a quick sale at my cost plus shipping to your door. They said I could get any replacement parts ever needed, as soon as I made the initial order. However, They claim thetre of a "robust design standard to resist break-downs."
Didn't mean to hyjack this comment, but thought it might be relevant. Anybody can PM me if they are interested. Can do an ebay sale it needed.
Dan H.
----- Original Message -----
From: oak oak_box@yahoo.com [electricboats] <electricboats@yahoogroups.com>
To: rwadecarr@yahoo.com [electricboats] <electricboats@yahoogroups.com>
Sent: Sat, 16 Dec 2017 13:25:40 -0500 (EST)
Subject: Re: [Electric Boats] Re: Hybrids and engine reliabilty
From: oak oak_box@yahoo.com [electricboats] <electricboats@yahoogroups.com>
To: rwadecarr@yahoo.com [electricboats] <electricboats@yahoogroups.com>
Sent: Sat, 16 Dec 2017 13:25:40 -0500 (EST)
Subject: Re: [Electric Boats] Re: Hybrids and engine reliabilty
Wade,
Can you (or anyone else) give a source for large amperage 48V power supplies? The biggest ones I've found casually peeking online were at most 20A.
I'd be very curious about your 3000W 48V power supplies (where do you get them, how much do they cost, what is the peak RUNNING current they can provide (for as long as 2-3 hours)?
Thanks,
John
On Friday, December 15, 2017, 10:55:35 AM CST, rwadecarr@yahoo.com [electricboats] <electricboats@yahoogroups.com> wrote:
Hello,
I watch most of these posts and do not reply. But today I feel like it. I have a 16000 lb junk rigged schooner, a 10kw electric motor with a 48 volt 220 amp/hr bank. I recharge with wind, or at the dock , or with 2 honda 2000 generators with 1 40 amp charger and another 25 volt charger. I have motored sailed this configuration over 1000 miles on the east coast. If you have chargers capable of providing more amps than you ask of them and can run them with a generator while underway you can effectively motor all day everyday. This left me at the end of each day with batteries that always needed a little more charging to get topped back off. I don't want to hear that in my anchorage so I have recently changed this up somewhat and now power two 3000 watt 48 volt switching power supplies with my generators. This allows me to motor at about 70 amps continuous without using or charging the batteries at all. I need a 6 kw genset and I would have 120 amps of 48 volt power for the motor. at 80 amps the boat can achieve hull speed of 7.5 knots.I prefer this than to constantly be charging batteries that can never be adequately topped off unless you run the gensets way more than I care to. This new configuration is new but is working very well. At some point a diesel genset will replace the Honda's. So if I leave the dock and need to motor all day up the ditch I turn on this setup and arrive at my anchorage with my batteries none the wiser for the trip and I do not need to run the generators any additional time while at anchor at all. The previous owner used a 1500 watt power supply and brought the boat from Nova Scotia to Tampa using a single Yamaha genset on deck. I feel that these boats must be designed to compete with boats with diesel motors or they remain a novelty as most of us do have other lives but want to enjoy our boats and not just wait for favorable winds. Wade
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Posted by: DAN HENNIS <dhennis@centurytel.net>
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