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listeroid question
By bob g, Section Homebrewed Electricity Posted on Thu Nov 4th, 2004 at 09:52:27 PM MST
how much are these things?

been looking into the lister clones and havent found much about cost
for instance i would like to get some idea of how much one of the single cylinder, 6 hp
with tapered roller brg mains, and replaceable cylinder liner.
what range are we talking here? forget the freight, just for a unit?
bob g

listeroid question | 12 comments (12 topical, 0 editorial)

Re: listeroid question (3.00 / 0) (#1)
by DanB (danb@*no spam*otherpower.com) on Thu Nov 4th, 2004 at 10:00:58 PM MST
(User Info) http://www.otherpower.com/

I shopped quite a bit. I would say $1000 give or take about $300 depending on where you get it and which brand you buy. There are a few different manufacturers that make them with roller bearings, replacable cylender etc... some may be better than others. Mine is one of the less expensive 'FuKing' engines. It came with a bad paint job, a bit out of adjustment in some respects, fairly rough castings (lots of filler) and some sand in the sump. But with a bit of cleaning and adjustment, so far - it's been the most wonderful engine I have ever known.

Talk with George at www.utterpower.com, he probably has them in stock - he can arrange pretty good deals on shipping sometimes. He also sells the very impressive ST generator heads (they are very impressive).

Re: listeroid question (3.00 / 0) (#2)
by DaveR on Thu Nov 4th, 2004 at 11:51:53 PM MST
(User Info)

Here is one

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=11754&item=3849842831

DaveR

Re: listeroid question (3.00 / 0) (#3)
by troy on Fri Nov 5th, 2004 at 07:41:49 AM MST
(User Info)

Yup,

I agree with DanB's comments. I got mine for less than $1,000, and shipping was another 275 I think. But you should assume that all of them are basically a kit that you have to finish up, clean out, adjust, modify a bit, etc.

Mine was perking along this morning making both hot water and electricity. I don't know if my setup is typical or not, but because of the slow rpm of the engine, my sine wave out of the generator is a bit peaky, aka it makes the lights pulsate.

Best regards,

troy

Re: listeroid question (3.00 / 0) (#4)
by DanB (danb@*no spam*otherpower.com) on Fri Nov 5th, 2004 at 07:45:33 AM MST
(User Info) http://www.otherpower.com/

The lights pulse a touch with mine, but its not the sine wave... its the variation in flywheel speed, especially when it's under a load.

They really are super things. Mine started at 2 deg F the other morning, 1st pull with just a tiny whiff of ether.

[ Parent ]

Re: listeroid question (3.00 / 0) (#5)
by troy on Fri Nov 5th, 2004 at 08:37:29 AM MST
(User Info)

Dan,

You're right of course, a funny sine wave (which I do have by the way) is too fast to really be perceived, and the flickering is right in time with the power strokes.

I made a custom cast aluminum 7.75" pulley to run a 6 rib serpentine belt. To make it look cool, I cast big lightening holes in the pulley. It weighs about eight pounds. I wonder if I made another one, all solid, with a groove so I could cast some lead in there to make a 20# pulley, if that would smooth out the variations at all?

Alternatively, would it be practical to put a big honkin capacitor on the generator output to even the pulses out? I'm thinking not...

Thanks,

troy

[ Parent ]

Re: listeroid question (3.00 / 0) (#6)
by Flux on Fri Nov 5th, 2004 at 10:39:23 AM MST
(User Info)

A flywheel on the alternator pulley may help, but I would want something better than a few lead weights in the holes.

Don't try capacitors on the output, they will have no effect on the flicker but will cause your alternator to run at leading power factor and cause all sorts of problems.

Flux

[ Parent ]

Re: listeroid question (3.00 / 0) (#7)
by troy on Mon Nov 8th, 2004 at 09:08:36 AM MST
(User Info)

Thanks Flux, that was my suspicion on capacitors at the gennie, and I don't want to mess with fitting a cap at every load.

And if I make the new pulley, it will no lightening holes and have a groove cast into it, and then machined to accept the cast lead ring. The groove will be dovetail shaped, ie, wider at the bottom than at the top, effectively locking the lead in place.

Best,

troy

[ Parent ]

Re: listeroid question (3.00 / 0) (#8)
by Bill Kichman on Wed Nov 10th, 2004 at 06:52:55 PM MST
(User Info)

I have a similar cogen setup, although with a GM90 brand, single cylinder, 1150rpm 12hp model. I calculated over the past few days, based on the size of the water storage and the rate increase in temperature, I am recovering about 34k BTU/hr heat into storage, on top of making about 8kW constant electrical power from this 12hp setup. Just offered for comparison's sake. I figure that equates to about 60% recovery of the available exhaust heat. The stack beyond the exchanger still gets hot. Wondering what else I can rig to use that heat... the design fun never ends. :-)

Re: listeroid question (3.00 / 0) (#9)
by lobstamang on Sat Nov 13th, 2004 at 07:01:32 PM MST
(User Info)

I have the Metro 6/1 new in crate for 750.00. We've sold many of them with good results. The finish is not the greatest, but they are super tough and and have taper roller bearing Mains and Liners. 6 1/2 HP @ 650 RPM.

Sam

Re: listeroid question (3.00 / 0) (#12)
by BadMoFo on Sat Aug 5th, 2006 at 11:07:29 AM MST
(User Info)

Hi Sam,
Do you still have Metro 6/1 Listeroids for sale?
Barry / Vermont/USA

[ Parent ]

Re: listeroid question (3.00 / 0) (#10)
by listeroidsusa (mdmo@rfci.net) on Fri Nov 19th, 2004 at 10:14:07 PM MST
(User Info)

I'll have a container of the GM-90 engines in port around the end of November. On the 6/1 engine with counterweighted crank, liner, roller bearing crank, pressure lube to the rod bearing, water pump, and thermostat I'm shooting for the $750 range, depending on duty and customs entry. See a photo of the 20 hp engine (6/1 is similar) by doing a search on this site for "GM-90"

Mike Montieth

Re: listeroid question (3.00 / 0) (#11)
by johanzwart (johanzwart DELETE @cs.com) on Sun Oct 23rd, 2005 at 02:16:29 PM MST
(User Info)

Hi, A learning newby in this field.

About the fluctuation in voltage and frequency per power-stroke of the slow speed diesel.
Although I can appreciate the advantages of slow speed reciproking engines I do not see to much advantages in 4 pole generators. So why not run a smaller 2 pole generator and compensate for the liter weight with a large flywheel on the 3600 RPM side. Because of the higher RPM the stored energy might help with that.

Did any body experiment with a spring loaded belt tensioner on the pulling side of the belt? Since this is mostly a constant RPM application I could imagine that a proper spring / damper in the belt tensioner could store some energy at the moment of the power stroke. The spring / damper would have to be designed to have the same resonance frequency as the engine. The energy stored would be released later and as a result reduce the speed fluctuations.

Please let me know if anyone used / applied something like this?

Thanx Johan

listeroid question | 12 comments (12 topical, 0 editorial)

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