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Multi-Cylinder Stationary Gasoline Engines and Power Units Waukesha, Buda, Climax, LeRoi and others.

Multi-Cylinder Stationary Gasoline Engines and Power Units

Needed: really small Diesel...


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  #1  
Old 05-28-2013, 04:32:23 PM
rtfm rtfm is offline
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Default Needed: really small Diesel...

This is a long shot, but many folks of diverse knowledge hang around here, so...

I'm seeking a new Diesel of unusual stature. It needs to supply 100-300 watts (@12vdc) of power which is not much. But the available space isn't much either: 100x380x95 mm, or 2-3 times that [i.e. 200, 300mm].

Does anyone even make standby Diesels that small, and if so...who?
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Old 05-28-2013, 04:42:25 PM
K-Tron K-Tron is offline
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Default Re: Needed: really small Diesel.....

You might want to look at an Ohlsson & Rice Tiny Tiger generator. They are gasoline fed, but they can be converted into a glow plug style engine. If interested, you might want to check out the Ohlsson & Rice forum which is located here,
http://ohlssonandrice.forumer.com/index.php

Other than that, the only two small diesels I know of are the Comet Diesels used on some vintage chainsaws, (incredibly rare) and the Lister Petter AA1, and both are bigger than the dimensions alloted,

Chris
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Old 05-28-2013, 06:31:31 PM
Roland Hayes Roland Hayes is offline
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Default Re: Needed: really small Diesel.....

The smallest industrial diesel engine that I know of is the Yanmar L40, this engine is much smaller and lighter than the Petter AA1 engine but gives about the same power, weight for the complete recoil start engine is around 30 Kg although its still considerably bigger than the size you are looking for.
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Old 05-29-2013, 11:00:33 AM
rtfm rtfm is offline
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Default Re: Needed: really small Diesel.....

Hmm. Don't suppose anyone makes small turbine-generators? I'd think they have far poorer energy density [i.e. KWH/liter of fuel] but I know Solar Corp sold lots of big [200-400 KVA] units to AT&T and other telcos.
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Old 05-29-2013, 11:03:52 PM
dkamp dkamp is offline
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Default Re: Needed: really small Diesel.....

300w comes out to about a half horsepower.

There are 'diesels' in that power range, but they're used in model aircraft, and more of a 'hot tube' or glow-type, rather than an injection/compression ignition system.

If you're looking for a small scale electric generation, something like a Honda GX25, or similar four-stroke, driving a 2x speed increaser to a small automotive alternator at a moderate engine speed would be the winner... problem is, it won't be burning diesel fuel...

A turbine would have to be REALLY, REALLY small to be in the half-HP range... and would probably generate quite a bit more loss in terms of waste heat...
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Old 06-07-2013, 10:26:57 PM
con-rad con-rad is offline
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Default Re: Needed: really small Diesel.....

I have a Tiny Tiger generator if you're interested. 300 watts 120v AC or 12Vdc. PM me if you'd like.

conrad
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Old 12-14-2013, 11:13:59 AM
trowel
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Default Re: Needed: really small Diesel.....

Quote:
Originally Posted by dkamp View Post
300w comes out to about a half horsepower.

There are 'diesels' in that power range, but they're used in model aircraft, and more of a 'hot tube' or glow-type, rather than an injection/compression ignition system.

If you're looking for a small scale electric generation, something like a Honda GX25, or similar four-stroke, driving a 2x speed increaser to a small automotive alternator at a moderate engine speed would be the winner... problem is, it won't be burning diesel fuel...

A turbine would have to be REALLY, REALLY small to be in the half-HP range... and would probably generate quite a bit more loss in terms of waste heat...

Very true,....
As Roland said, the Yanmar L40 is the smallest ''mini diesel'' out there for the right price.
Turbine APU's are around but a animal of their own and powered by jet fuel, can home built using small turbo chargers but becomes expensive and bulky if not dangerous.
Bet of luck.
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Old 12-14-2013, 05:26:13 PM
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OTTO-Sawyer OTTO-Sawyer is offline
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Default Re: Needed: really small Diesel.....

Don't know how it fits in size-wise but I found this air cooled single cylinder diesel with rope start and electric start on eBay.

http://www.ebay.com/itm/New-4-HP-Sma...item4d16571ea4

The price doesn't seem all that bad either compared with what you'd pay for a similar sized rope start (Non Electric) gas engine for a lawn mower.
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Old 12-14-2013, 05:39:34 PM
Roland Hayes Roland Hayes is offline
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Default Re: Needed: really small Diesel.....

Yup, that's a chinese knock off of the Yanmar L40,

you get what you pay for
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Old 12-14-2013, 10:03:58 PM
trowel
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Default Re: Needed: really small Diesel...

Lister Petter
Hatz
Farymann
lombardini
Ruggerini
Yanmar
Just to name a few all make small air cooled quality diesels, Yanmar being one of the smallest and lightest thus far that i know of, great on fuel, good power, high speed.
The clones are a disposable joke.
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