Portable Generator vs Genset - Page 11 - SailNet Community
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post #101 of Old 05-31-2008
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Originally Posted by Dunlookn View Post
Local fire department says so. It becomes code. Don't conform to code...pay fine. Argue with elected officials...they refer to the fire department that proposed the rule. No change...

I have way too many people who are trying hard to protect me from the idiots I have to watch out for every day.

The original post was in November...I hope the guy made his decision my now.

I'm buying a Honda 2000..I'll use it safely, take all the precautions, and pray after making the world safe...I don't get killed by a sea-ray.

Most cities and towns donít have the resources to write there own codes. What most all places do is adopt and pass accepted codes.
National building codes and National Fire protection Association (NFPA)

NMEA and ABYC for boats
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post #102 of Old 06-01-2008
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Quote:
Originally Posted by tjaldur View Post
(off topic, I must admit that I use an online device for spelling control, but it inserts hyphens all over my text, do you always use hyphens in all these words in English?)
No. Hyphens are not common, but are used to distinguish when nouns are compound, or when compound nouns are used as adjectival phrases.

"I own many power tools. I have to be good at power-tool maintenance."

In the above example, power is the adjective to the noun tool, but in the second sentence, the hyphen is preferred because the combination of power and tool modify the noun maintenance.

Commas come into play when a series of adjectival phrases modify a noun:

"I own a large selection of professional-grade, dual-voltage, easy-to-carry power tools."

While technically correct, such a sentence in English is bordering on confusing, and making English confusing is the source of much comedy in the English-speaking countries.

I think your software is too enthusiastic. Good luck with your brand-new, diesel-fired generator.
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post #103 of Old 06-02-2008
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Valiente:

Thank you for the clarification.

Use your head, ram the wall till it falls.
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post #104 of Old 06-03-2008
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Originally Posted by tjaldur View Post
Just these days I have upgraded from a 2,5 KW gasoline generator to a 3,5 KW diesel-generator. Both air-cooled.
I would be interrested in the details of this upgrade. Cost, model, size, weight, placement challenges etc.

Last edited by davidpm; 06-03-2008 at 11:22 PM.
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post #105 of Old 06-04-2008
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I'll be glad to supply details. Now one challenge applies two both generators. They were inexpensive. That means that one cannot expect them two be stable, that is deliver a proper 50HZ (60Hz) sinus alternate current. If one chooses an inexpensive generator one must on the other hand have a charger that accepts varying tension (volt) output and a modified sinus curve. And one need a pure sinus-curve inverter that delivers pure sinus wave current to delicate application like computer, TV etc.

One other challenge is that this diesel-generator is quite noisy. So I had do some work two reduce the noise. That is put on suspenders, like the ones one is using on an engine, and I had to improvise a muffler. The dimensions of the tube of the exhaust terminal of the generator do not fit with any standard dimension for tubes, so I had to join an aluminium exhaust-tube into the inside of the diesel-exhaust-tube and fasten it together by cutting open a beer-can as a sheet and roll it around the joint and fasten it with tube clamps. (Like we did in the -60ties with cars when a hole appeared in the exhaust outlet )

Hope this is illustrating:



The price was equivalent to about $ 1500. It came with an electric starter by the way, which is very good for me. That is recommended. A recoil starter on a diesel engine may be a challenge one wants to pass.

The weight is about 70 kg. (150 lbs), so it is wise to make a final decision of where one wants to place it. It really is a little monster to lug about. I have placed it on the aft deck.




Rated frequency (Hz)50 & 60
Rated voltage (V) 110, 220, 230, 110/220, 120/240
Rated current (A) 12.2 13.8/27.5
Rated output power (KW)2.8K(50HZ),3.0KW
Peak output Power(KW) 3.0KW(50HZ),3.3KW(60HZ)
Rated rotation speed (rpm)3000 3600
DC output 12V8.3A
Power factor (cosf) 1.0/0.8
Phase number Single phase
Noise level [dB(A)@7m] 70-74
Overall dimension (L◊M◊H)[mm(in)]: 695◊475◊590 (27.36◊18.70◊23.23)
Dry weight [kg(lbs.)] : 65(143)
Structure type : Open-frame type
Coupling mode :Rigid couping by royor drive shalf
Engine type :Single cylinder,4-stroke,air-cooled,
direct injection,diesel engine
Displacemen [ml] 296
Compression ratio 20:1
Engine Rated power [KW(Hp)/rpm]: 2.8/3000 3.3/3600
Starting system CL:recoil starter E:electric starter
Rotation dircetion (View from flywheel) :Clockwise
Fule : 0#(summer)-10#(winter) light diesel oil: SAE10W30 (above CC grade)
Carton dimension:680*455*545mm
N.W/G.W:70/73KG


Hope this answers your questions?

Use your head, ram the wall till it falls.
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post #106 of Old 06-04-2008
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tjaldur, where do you keep that generator? On deck? And, where does the improvised "muffler" terminate?
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post #107 of Old 06-04-2008
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The generator is kept on the aft deck. Since I am tied to a mooring the generator will always be on lo-warts (wind side) That means the noise and fumes blow away from me.

The muffler ends outside the boat just above the waterline. It won't do to put the muffler into the water as that would be disastrous to the compression of the engine.

Use your head, ram the wall till it falls.
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post #108 of Old 06-04-2008
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Be aware that some boats will suffer the "Station Wagon" effect, and even if the generator or genset is on the leeward side, the fumes may be pulled back into the boat. This can lead to carbon monoxide poisoning. YMMV. Get a good CO detector, since CO poisoning will kill you.

Tjaldur-

I hope you have a CO detector aboard, since that beer can modification seems likely to leak CO gas.

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Last edited by sailingdog; 06-04-2008 at 09:46 AM.
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post #109 of Old 06-04-2008
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tjaldur
Thanks for the details. Did I miss the mfr and model. Want to see if they are available here.
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post #110 of Old 06-07-2008
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Diesel 3500 watt air cooled portable

Found above @ BOSSTOOLS a Canadian site, weighs 70 kilos (150 pounds). Has electric start,12.5 litre tank,85 db @ 7 meters, one year warranty,$1150 Canadian. P-3 Portable Power Pack. Don't know anything about make or seller but jnteresting site.
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