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Old 07-09-2017, 05:47 PM   #1
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New Harbor Freight 3500 inverter gen

I'll just leave this right here....

https://www.harborfreight.com/3500-w...tor-63584.html

I bought this and so far so good!!
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Old 07-09-2017, 05:52 PM   #2
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Hi

My experience with Harbor Freight has been "mixed". Some of their stuff is pretty good, other items ... not so much.

How quiet is this on a sound meter when running in "full" mode?

Bob
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Old 07-09-2017, 06:41 PM   #3
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Wow. They claim 57db. Great find. Thanks for sharing. Let us know how it works out for you in the long run.
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Old 07-09-2017, 07:37 PM   #4
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Wow. They claim 57db. Great find. Thanks for sharing. Let us know how it works out for you in the long run.
Hi

We may have internet ghosts here .... The page I have shows 99 lb product weight and 105 lb shipping weight.

Bob
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Old 07-09-2017, 07:46 PM   #5
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Hi

We may have internet ghosts here .... The page I have shows 99 lb product weight and 105 lb shipping weight.

Bob
? Not the same - 57dB is noise level.

Al
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Old 07-09-2017, 07:50 PM   #6
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I hope it's a real find!
It may come from the same factory as the Champion.
The test will come in a year or so, but Harbor Freight is very good about returns if need be.
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Old 07-09-2017, 07:52 PM   #7
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+3db is twice the perceived level of sound. That makes it more than twice as loud as the Honda or Yamaha 2000.
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Old 07-09-2017, 11:21 PM   #8
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+3db is twice the perceived level of sound. That makes it more than twice as loud as the Honda or Yamaha 2000.


Actually 6-10db is considered twice as loud. It takes double the power to increase 3db but that doesn't make the sound twice as loud to a listener.
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Old 07-09-2017, 11:30 PM   #9
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I can't really hear it inside my trailer over the air conditioner. This is with it sitting right next to the trailer towards the back. I have a "hybrid inverter/charger" so my AC will run without the generator on.... and I did manage to overload it once and didn't immediately realize it had died.

It is heavy especially with fuel in it so that is the biggest drawback. It is much easier to wrangle the 2000 watt units -- I also have one of those from HF. I was searching 'inverter generator' the other day on the website thinking about buying a second to parallel and then this 3500 popped up with zero reviews. Calls to stores showed they were just arriving this past Thursday and I grabbed one same day before they were even on display.
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Old 07-10-2017, 05:22 AM   #10
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Actually 6-10db is considered twice as loud. It takes double the power to increase 3db but that doesn't make the sound twice as loud to a listener.
22 years acoustic analyst. I guess I have been misleading my students.
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Old 07-10-2017, 08:34 AM   #11
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New Harbor Freight 3500 inverter gen

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Originally Posted by AWCHIEF View Post
22 years acoustic analyst. I guess I have been misleading my students.


If you told them that +3 db in SPL is perceived at twice as loud, yes you have. If you told them the +3db is twice the power level you didn't. "Twice" as loud is very subjective.

Additionally, if you were referring to exchange rate, a term used to relate dose and intensity for the sake of hearing protection, everyone has differing measures. The navy says 4db, the army says 3db, and OSHA says 5db. At least those were the numbers in 2000.

Ref: Occupational Safety and health, fourth edition, by David l goetsch. P399-401
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Old 07-10-2017, 09:22 AM   #12
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If I could trust the brand and if the output was a sine wave, I would consider pulling my generac from the MH and putting this in, but I cant find any good data on the unit.
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Old 07-10-2017, 11:59 AM   #13
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Hi

The gotcha with the noise level numbers on *all* these generators is just how they do or don't measure it. Is it in the direction away from the exhaust or in line with it? Is it at zero throttle or at full power? Can people duplicate their numbers at 10 feet away or do they have to go to 50 feet?

YouTube is full of people doing this or that to check sound level numbers. At least when you see the test, you can also see what assumptions they are making. You can also spot the mistakes and sort things out a bit.

Bob
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Old 07-10-2017, 12:42 PM   #14
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Can it be converted to LP?
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