Ive been in plenty of golf carts and never cared about the drive technology until now. Your idea caused a search and once I saw the image, I got a feel for how you were thinking about this.
I see this as a learning opportunity, I suggest you take this idea and follow it through to where you understand the solution or don't.
The advice I found sound, was to start with the Hull. However, in many cases , an exception to the rule may be lurking. This is why I encourage "out of the box " thinking.
What is the largest size motor this golf cart drive can handle ? What is the largest size alternator you can use on the end opposite the Prop? What is the largest size Prop/Pitch ? What RPMs will you have and what results ?
You have to look at the dimensions of the set up also, length, angles, etc, if it is a solution for you, will it fit as is?
In a message dated 2/8/2011 11:42:46 A.M. Eastern Standard Time, wagarrison@yahoo.com writes:
The only info I could get off the motor and transmission/axle are the following;
club car motor - 48Volt, Pt# 102237701, HP 3.10, date code ssn - mot04302000101432e, fed code 88422
transmission - # 3239913
axle - code 3239903-18, 112016077gt723ea
I have tried to search the web to find specs on each of these but only find sales ads without specs. I don't know if this helps you or not, but if you can help me, wow, that would be great. Thanks
William A. Garrison
--- On Tue, 2/8/11, GNHBus@aol.com <GNHBus@aol.com> wrote:
From: GNHBus@aol.com <GNHBus@aol.com>
Subject: Re: [Electric Boats] Cruising with EP
To: electricboats@yahoogroups.com
Date: Tuesday, February 8, 2011, 4:21 AM
Interesting idea William, the golf cart axle basically presents (3) shafts in a " T " formation, do you have info on the golf cart manufacturer ? Id like to know the gearing ratios on the differential, or maybe you can hand rotate the drive shaft and count the turn on the axles ?
-----Original Message----- From: bill garrison <wagarrison@yahoo.com> To: electricboats@yahoogroups.com Sent: Mon, Feb 7, 2011 4:11 pm Subject: Re: [Electric Boats] Cruising with EP Hi Capt. Mike,
I appreciate your feedback, I feel a bit better. True, I am not looking for speed at all. If I can get five + mph I will be good with that. By the way, what is IMO? I've seen it several times now and haven't been able to figure it out. Also, I had intended to install the motor/transmission with the axle running in the same direction as the boat, forward to aft. So there would only be one prop in the center of the aft and the other axle would turn an alternator or generator to produce the electricity to charge batteries. I didn't intend to run a water turbine off of the other axle, sorry for not communicating my idea clearly. Any more thoughts about it now? I can use all the help I can get, being new to all of this. Thanks for your help.
William A. Garrison
--- On Mon, 2/7/11, Mike <biankablog@verizon.net> wrote:
From: Mike <biankablog@verizon.net>
Subject: Re: [Electric Boats] Cruising with EP
To: electricboats@yahoogroups.com
Date: Monday, February 7, 2011, 8:03 AM
| William: I'm not an expert on houseboat designs and weight. Perhaps others might be more knowledgeable. But, from what I've seen of them speed is not a critical issue which IMO makes them very suitable for an EP system. You could start off with your current plans and see how it works for you. You can modify and upgrade a lot easier with an EP too if you find you need more power. I also think you might be better off investing your money in the solar charging options since you have all that nice space on the top of the cabins. I doubt your ever get a house boat moving fast enough to take advantage of any regen. Plus your boat would be always be wanting to turn to the side where your generating prop is creating the drag for your generating plan. I think it better to use two motors to keep the boat moving evenly and would also make turning and maneuvering a real pleasure. Anyway that's my two cents. Capt. Mike
From: bill garrison <wagarrison@yahoo.com>
Subject: Re: [Electric Boats] Cruising with EP
To: electricboats@yahoogroups.com
Date: Monday, February 7, 2011, 3:47 AM
Hi Capt.Mike,
Please excuses my interruption of your conversation with Nanci, but I was wondering how does your 8 ton boat compare with the weight of the average 40' x 14' houseboat? I have a 3.1 HP, 48 volt electric motor with a transmission that came from a Club Car golf cart. I would like to attach one axle to a propeller via a pulley configuration. I think running a generator off of the other axle could turn a generator, which is turning anyway. The generator could then be recharging the battery bank as we are cruising. I am doing some investigating of my own regarding propeller size, rpm/HP requirements for moving a 40' houseboat, etc. What do you think?
William A. Garrison
--- On Sun, 2/6/11, Mike <biankablog@verizon.net> wrote:
From: Mike <biankablog@verizon.net>
Subject: Re: [Electric Boats] Cruising with EP
To: electricboats@yahoogroups.com
Date: Sunday, February 6, 2011, 4:52 PM
| Nanci: I can move my 8 ton boat about three knots in calm conditions without drawing any power from the battery bank using the Honda 2000 if I need too. Actually I still have power to spare from the generator so I usually charge up my 12 volt house bank at the same time. In reality I'd only do that when there is no wind which is not very often. The wind usually picks up soon enough and I gradually start cutting back on the EP as the wind picks up. Pretty soon I am sailing again and shut the generator down. I could also have put in a bigger diesel generator and powered the EP system from it too but personally I'm done with diesel.
Capt. Mike
From: Nanci <nancishouse@aol.com>
Subject: Re: [Electric Boats] Cruising with EP
To: electricboats@yahoogroups.com
Date: Sunday, February 6, 2011, 8:41 PM
Thanks for the reply, Mike. So a Honda 2000 would keep the batteries up enough to run the EP that long? Well, that makes a lot of difference. Not being an engineer, all this battery lingo is a little Latin to me.
Nanci
-----Original Message----- From: Mike < biankablog@verizon.net> To: electricboats@yahoogroups.comSent: Sat, Feb 5, 2011 6:03 pm Subject: Re: [Electric Boats] Cruising with EP |
Nanci:
BTW I changed the topic for this reply. I have a friend who is on his second EP system. The first one was a homebuilt setup with chain gearing a little noisy. A few years back he sailed from St. Martin to St. Thomas on the way back he was demasted. He used his EP system and Honda Generator for twelve hours of motoring to get to St. Criox for repairs. EP systems work well on sailboats. But, as I mentioned to Pete you have to be ready to embrace them. But, IMO they just make a whole lot of sense for a sailboat thats why I decided to go with it. Capt. Mike
From: Nanci <nancishouse@aol.com>
Subject: Re: [Electric Boats] Re: Electric boating association in the US?
To: electricboats@yahoogroups.com
Date: Saturday, February 5, 2011, 3:37 PM
I'm in a part of the country where there are a lot of cruisers. I do mostly "destination" sailing ie Bahamas or north to the Cumberland Island, Georgia for a short sail. As much as I would like to convert, I can't figure how this would work for me with the present battery limitations.
Nanci
-----Original Message----- From: acsarfkram < acsarfkram@yahoo.com> To: electricboats@yahoogroups.comSent: Fri, Feb 4, 2011 8:58 pm Subject: [Electric Boats] Re: Electric boating association in the US? Sorry somehow I hit the send key before I finished :-). What I was trying to get at is the fact that electric sailboat auxiliary businesses were just getting off the ground with engineered, affordable units when the economy tanked. I think if you look into any Marine Business you will find pretty flat sales. And to finish my thought on my setup; Yes, I have been operating my electric auxiliary sailboat nonstop since April or May of 2008 and have never had a range or operational issue. I don't cruise much, mostly daysail multiple days per week with overnights within 35 miles, but that is more than I see most of the sailboats doing around here. Mark Santa Cruz --- In electricboats@yahoogroups.com, "acsarfkram" <acsarfkram@...> wrote: > > Hi Eric, > > I'll agree with the idea that powerboats are a niche group for E-propulsion. Although even for a strictly motorized boat (no sails) electric or human-power is increasingly the only way people are going to be able to access certain lakes across the USA. > > There are three other electric sailboats boats that I know of in the Santa Cruz Harbor. I think one of the reasons that there are not more electric conversions on sailboats is that the economy has been so bad pretty much since the latest Unfortunately the electric auxiliary . > > Yes, I have been operating my electric auxiliary sailboat nonstop since April or May of 2008 > > --- In electricboats@yahoogroups.com, "Eric" <ewdysar@> wrote: > > > > No, I was referring to the fact that there are many more power boats than sailboats in the US. According to the USCG 2009 statistics, registered power boats outnumber auxiliary sailboats by about 98 to 1. Looking at just the sailboat population, we know that the 26' to 40' range is the sweet spot for electric conversions. Now we're down to less than 51,000 boats in the US out of over 12 million mechanically driven boats (boats with motors). > > > > Many of the people I know that own boats of that size would not accept the limitations that we have all accepted by trading to electric. I own two boats in this range and won't convert one of them due to the performance hit while sailing and motoring, and I'm a big proponent of the technology. > > > > Just for sampling, I know that you've been operating your boat very successfully for a few years. How many other people in your marina have tackled a similar conversion? > > > > I still beleive that electric drive is a very good answer for some sailboat users, but it no more of a universal answer than ICE is. > > > > --- In electricboats@yahoogroups.com, "acsarfkram" <acsarfkram@> wrote: > > > > > > >Show them how the compromises can be a good choice for some users. >With their > > > >feedback about your boat, you'll find that electric is not a good >choice for > > > >most boaters, both pleasure and commercial. This is a niche industry >and I'm > > > >glad to be a contributing part of it. > > > > > > >Eric > > > > > > I've seen some negative posting here lately, but this one I can't let stand. Without a doubt MOST sailboaters that I see out on the water would be better off with an electric drive. Cheaper to operate, more reliable, more pleasant to be around... > > > > > > Eric, are you talking about commercial fishing boats? > > > > > > Mark > > > Santa Cruz > > > > > >
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