Kipor Generators - Page 2 - Fiberglass RV


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Old 03-26-2006, 06:51 PM   #15
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Does anyone have any idea of the noise level of between 56db and say 65db??? I am down to making my decision on this factor.
The human ear can detect a 3db difference. Therefore the difference could be enough to make the louder objectonable. It's not a linear scale either.

Going from 59db to 59db is double the sound energy.
Going from 59db to 62db is 4 times the sound energy.
Going from 59db to 65db is 8 time the sound energy.

I think the louder would be quite noticable.
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Old 03-26-2006, 11:20 PM   #16
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The problem is there is no definite standard of sound level measurement, that I'm aware of. Also each person's ears respond to noise levels differently, depending in large part to the differences to hearing levels at higher or lower frequencies.

Most people find the higher frequencies more obnoxious. Onan and some other companies produce a line of generators that are quieter. These units have more complex generators of the four pole design, vs the simpler two pole type used on the less pricy ones. Doubling the poles allows the engine part to run as half the speed. This requires a larger engine, but the sound is less obnoxious, due to less high frequency noise.

Honda has earned a reputation for qualty, fuel economy and low noise. I have a 3500 watt used on a cooler trailer that has a subdued pleasing sound. A friend of mine uses a small Yamaha, I think about 1000 watts on his fishing boat to run his downriggers. It is down in the engine compartment and exhausts underwater. It's very quiet.

Kipor? Don't know, but see them for sale everywhere. Heard they were a Honda knock-off.
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Old 03-26-2006, 11:51 PM   #17
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I'm sorry but there are a number of "formal" standards for sound pressure measurement. I don't feel like looking them at, but I know that OHSA has one they use. ANSI I'm sure has a sound pressure standard. I know Boing does. In one of my lifes we built the intercabin communication system for the first 747s. Boing had very strict sound pressure requirements. There's several "weighted" scales. I believe at this time most everybody that has settled on one, I think it's a "C" weighted curve, but I could be wrong. Which ever on it is it's weighted to match the average human ears frequency response curve. And there's definitions for decibels. (dbs the units for sound pressure measurement.)

One of the key specifications is the distance from the sound source. Sound energy decreases by the square of the distance.

If like can give you some more engineerese on sound pressure measurement, including the math. then again maybe not.
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Old 03-27-2006, 12:06 AM   #18
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Kipor is a Chinese manufacturer. Their products are among the top sellers and have a strong quality reputation in Europe. They OEM the Philips generators sold by Philips Electronics and other subsidiaries over there. They OEM McCullough generators in this country. Their specs are very similar to Honda specs. So, the knock off claim is probably valid.
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Old 03-27-2006, 05:49 AM   #19
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Let me illustrate a sound comparison. If a person was blindfolded and standing at any distance away from a Honda EU2000i and a McCulloch FG2000Tc and you ran each for them to listen; they could not tell which was which. Or that one was less noisy than the other. I know this because I've tried. My son owns a Honda and I own a McCulloch.

I'm not saying that these generators are silent. But, they are about as quiet as you can get a small gasoline motor to run in a portable, suitcase-size case. Tom Trostel
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Old 03-27-2006, 08:06 AM   #20
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The math for the standards is all the same, no matter the scale, but as Byron noted, it depends on which agency is manipulating #s for that agency to actually come up with "thier" #s for thier purposes. They usually set thier standards in a highly controlled environment as well. (You have to.. or they wouldn't be "standard".)

For laymen tho, Toms example is the most appropriate.. use your ears in a real world situation if possible.

I have the 1k version of the Kippor. Standing right next to it, normal conversation is unstrained and... normal. I can have it running just inches from my trailer, be inside and still hear the TV and carry on a normal coversation. It's just a dull "whirr". I have been in airconditioned eggs that had a higher ambient noise level.

Outside, once you step 20 feet away, the noise is competing with your nieghbors boom box and the kids playing down the loop.

Step outside your site and walk to your nieghbors.. it can hardly be heard at all.

At nite, when things are quieter, acoustics take effect and it *seems* quite a bit noisier, but in reality, it isn't. It just doesn't have any competition, so it stands out more.

It also depends on WHERE you are.. I rarely use my gen set in one of my favorite dry campgrounds. The terrain is such that it is mostly flat, but very treed. The generator can be heard 100s of yards away. In another of my favorites, it is a hilly terrain between each site, and you literally cannot hear the thing from site to site. *The earth is it's own sound baffle*

Set the thing up next to your trailer in a truck stop, and the big rigs will be laughing at you. "Did someone hear a squeak?"

I have no guilt using it there

Quote:
Going from 59db to 59db is double the sound energy.
Awh Man... Yer calculator is broketed...
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Old 03-27-2006, 09:54 AM   #21
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The math for the standards is all the same, no matter the scale, but as Byron noted, it depends on which agency is manipulating #s for that agency to actually come up with "thier" #s for thier purposes. They usually set thier standards in a highly controlled environment as well. (You have to.. or they wouldn't be "standard".)


I have no guilt using it there
Awh Man... Yer calculator is broketed...
I guess so. Must have been past my bed time.

59db to 62db is double the sound energy.
59db to 65db is 4 time the sound energy.

Therefore there isn't as much difference as I earlier indicated.

As for listening, that's not a very good judge of the difference. To some people that difference could be great to others not so great. If you're buying and think it's not great a difference and you park beside somebody that hears a lot better..... You get the picture.
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Old 03-27-2006, 03:05 PM   #22
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I've read the same info about percieved sound levels doubling as DB's increased by 3, that Bryon explains in his post. I have heard quite a difference in gen-sets that are rated 56db vs 60db etc. The difference is dramatic. Our Honda 2K is very quiet even in the evening when things quiet down. We have had many people comment that they didn't know we even had a generator going. Area's where you may be dry camping demand that you use proper generator etiquette so buying a quite generator is very important . One pull on the chord to start the thing is also nice. I threw out my back trying to start the Coleman we had. Piece of junk. The more I hear about the Kipor being a Honda Clone the better it sounds. If you get the quietness, reliability and quality of Honda for less money, sounds almost to good to be true. Hopefully someone will bring one down to the Oregon rally in July. I will bring the Honda and we can compare. The best price I have seen on the Honda's lately is around $900 shipped to your address.
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Old 03-27-2006, 08:26 PM   #23
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There is a Wikipedia page for "decibel" which I believe is excellent. It has as much technical content as I would guess anyone here is likely to want, but at the same time a quick skim reveals everything from the correct unit abbreviation (d to some common examples of relative sound levels. I just looked it up and read the whole thing; while I am not sufficiently familiar with all of the topics covered to judge its overall validity, nothing in it conflicted with anything I know.

Some points relevant to this discussion (all from the Acoustics in air section)
  • a sound level change of 3 dB is a doubling of power, and is detectable by normal human hearing
  • a sound level change of 10 dB is perceived as a doubling of loudness
  • measurements are meaningless without distance information
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Old 03-27-2006, 08:38 PM   #24
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...It also depends on WHERE you are..
Set the thing up next to your trailer in a truck stop, and the big rigs will be laughing at you. "Did someone hear a squeak?"...
Even disregarding the differing acoustic properties of different sites, I think this context is important.

I walked through an event in an urban square last year, attended by several hundred people, and there I found a Honda EU2000i in use. I didn't notice the sound until about the same time that I saw it, from only a couple of metres (a few feet) away. It was, for that environment, quiet; however, the same noise level, at the same distance, would be absolutely intolerable to me in an otherwise quiet campground, competing with nothing but bird calls and the crunching of leaves under the foot of a passing deer.

I also found it interesting that even in the noisy environment, with PA announcements, amplified music, traffic on all sides, and hundreds of walking and talking people, I could still hear the generator running.
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Old 04-18-2006, 04:51 PM   #25
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Best price I could find for Kipor Generators is at: Boats.net

They offer double the warrenty, 2 years, free shipping lower 48 US, and no sales tax outside of Florida.

KGE1000Ti Generator
1000 Watt Model
Always FREE SHIPPING!
$499.00

KGE2000Ti Generator
2000 Watt Model
Always FREE SHIPPING!
$699.00

KGE3500Ti Generator
3000 Watt Model
Always FREE SHIPPING!
$1,094.00
I bought the KGE3500Ti Generator, 3000 Watt Model.

They shipped it Free, and there was NO sales tax. I got it and added the gas & oil; hooked up the battery and turned the key. BAM it started so fast it surprized me.

I put my tester on it and it had an open ground.

I decided to see if there was a lose wire or something obvious. I opened it up and could not see anything, so I closed it up.

I tried to start it and it would NOT start. Uh-O, what did I do? I opened it up again and checked everything and could not see anything I had done or that was lose. I tried and tried.

So I closed it up and called tech support and told the truth,; I broke it. What should I do? The starter was cranking, but there was NO spark.

Adam said no problem, well take care of you. I am writing all this to say, Adam was terrific. He was at a trade show yet took time to call me at home. He kept in touch via email while he found a service center in my local area. He then made arrangements to have it fixed under warrenty. I took it into FastRV in Paso Robles and Steve found the problem and had it fixed in 30 minutes. It was a cannon plug in the control panel that had come lose. Steve added a little silicone so it would not vibrate lose again.

I personally would highly recommend http://www.Boats.net and their service. Their prices are also the best Ive found.

PS: The generator is a little noisier then my Honda 2000, but I need the extra power.
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Old 04-20-2006, 11:47 AM   #26
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I'm writing this post with power from my McCulloch FG2000Tc. We had a big thunder storm last night and lost electricity about 2:00 A.M. It's still out at noon. I fired up the generator to keep the freezer & frig items cold. I've unplugged the freezer and logged on to check email. Hope the power company comes by soon. Tom Trostel
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Old 04-20-2006, 12:04 PM   #27
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Well Tom, That said a whole bunch about the generator. All one has to do is read between the lines and you will find out it not only worked well with your PC but it also had the power to run the fridge, etc.

I have a digital DB meter and will run tests soon to give the levels at diferent feet and frequencies.

Keep Generating. DR
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Old 04-20-2006, 04:29 PM   #28
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I'm sticking with my Honda 2000.
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