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07-09-2017, 04:47 PM
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#1
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4 Rivet Member
1977 31' Excella 500
Zavalla
, Texas
Join Date: Jul 2012
Posts: 497
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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!!
__________________
WBCCI #1711
Texas Gulf Coast Unit, Texas Airstream Harbor
Angelina National Forest, Zavalla, TX
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07-09-2017, 04:52 PM
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#2
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Half a Rivet Short
2017 30' Classic
2022 Interstate 24X
Carlisle
, Pennsylvania
Join Date: May 2017
Posts: 15,746
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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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07-09-2017, 05:41 PM
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#3
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Rivet Master
2014 30' Flying Cloud
Tampa
, Florida
Join Date: May 2016
Posts: 1,364
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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.
__________________
2014 Airstream Flying Cloud 30 Recliner - WBCCI #4850 - AIR #110821
2018 Nissan Armada SL Tow Vehicle, Equal-i-zer Hitch
Visit Our Flying Cloud blog for my latest adventure!
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07-09-2017, 06:37 PM
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#4
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Half a Rivet Short
2017 30' Classic
2022 Interstate 24X
Carlisle
, Pennsylvania
Join Date: May 2017
Posts: 15,746
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Quote:
Originally Posted by FCStreamer
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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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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07-09-2017, 06:46 PM
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#5
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Rivet Master
2002 30' Classic S/O
Fleming Island
, Florida
Join Date: Nov 2013
Posts: 4,673
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Quote:
Originally Posted by uncle_bob
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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? Not the same - 57dB is noise level.
Al
__________________
“You cannot reason someone out of a position they have not been reasoned into"
Al, K5TAN and Missy, N4RGO WBCCI 1322
2002 Classic 30 Slideout -S/OS #004
2013 Dodge 2500 Laramie 4x4 Megacab Cummins
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07-09-2017, 06:50 PM
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#6
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Rivet Master
2017 26' Flying Cloud
Tampa
, Florida
Join Date: Feb 2017
Posts: 7,657
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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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07-09-2017, 06:52 PM
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#7
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Rivet Master
2006 23' Safari SE
Biloxi
, Mississippi
Join Date: Nov 2011
Posts: 8,278
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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.
__________________
MICHAEL
Do you know what a learning experience is? A learning experience is one of those things that says "You know that thing that you just did? Don't do that."
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07-09-2017, 10:21 PM
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#8
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2 Rivet Member
Join Date: Apr 2015
Posts: 75
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Quote:
Originally Posted by AWCHIEF
+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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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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07-09-2017, 10:30 PM
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#9
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4 Rivet Member
1977 31' Excella 500
Zavalla
, Texas
Join Date: Jul 2012
Posts: 497
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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.
__________________
WBCCI #1711
Texas Gulf Coast Unit, Texas Airstream Harbor
Angelina National Forest, Zavalla, TX
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07-10-2017, 04:22 AM
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#10
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Rivet Master
2006 23' Safari SE
Biloxi
, Mississippi
Join Date: Nov 2011
Posts: 8,278
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Quote:
Originally Posted by thinder
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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22 years acoustic analyst. I guess I have been misleading my students.
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07-10-2017, 07:34 AM
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#11
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2 Rivet Member
Join Date: Apr 2015
Posts: 75
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New Harbor Freight 3500 inverter gen
Quote:
Originally Posted by AWCHIEF
22 years acoustic analyst. I guess I have been misleading my students.
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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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07-10-2017, 08:22 AM
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#12
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Rivet Master
1984 27' Airstream 270
Scotia
, New York
Join Date: Oct 2012
Posts: 1,082
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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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07-10-2017, 10:59 AM
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#13
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Half a Rivet Short
2017 30' Classic
2022 Interstate 24X
Carlisle
, Pennsylvania
Join Date: May 2017
Posts: 15,746
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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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07-10-2017, 11:42 AM
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#14
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4 Rivet Member
2014 25' FB Flying Cloud
Des Peres
, Missouri
Join Date: May 2016
Posts: 266
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Can it be converted to LP?
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07-10-2017, 01:56 PM
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#15
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4 Rivet Member
2015 28' Flying Cloud
Newtown
, Pennsylvania
Join Date: Jan 2015
Posts: 316
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I've been looking at the Northern Tool Powerhorse 3500 for a while. $1299. It appears to be the same generator as the Harbor Freight Predator 3500, except for the color and a slight difference in the control panel. I jumped on it. For $700, I will take the risk. Oh Boy, a new toy.
Bruce
__________________
50 amp, Awning package
2015 Ram 2500 6.7 TD, Blue Ox 1000 lb.
400ah LiFePo4, 800 watts solar, 2x eu2000i Propane
PD9160 converter, Prosine 1800 inverter
2x Victron 100/30 Smart Solar, Victron Smart Shunt
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07-10-2017, 02:32 PM
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#16
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4 Rivet Member
1977 31' Excella 500
Zavalla
, Texas
Join Date: Jul 2012
Posts: 497
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Yeah I thought it looked like the same unit too. I wonder if the HF price is an intro deal to strike up interest or if it will stay this chreap -- or cheaper with coupon! I know I'll be watching for a coupon to try to get the diff refunded but I'm happy with the value at full price. It's a huge difference from he price of the northern tool unit!
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07-10-2017, 07:46 PM
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#17
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4 Rivet Member
1977 31' Excella 500
Zavalla
, Texas
Join Date: Jul 2012
Posts: 497
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Keeps chugging right along without flinching.
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07-11-2017, 09:34 AM
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#18
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Half a Rivet Short
2017 30' Classic
2022 Interstate 24X
Carlisle
, Pennsylvania
Join Date: May 2017
Posts: 15,746
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Hi
What does the output waveform look like? (How close to a sine wave is it?)
Yes that sounds like it would take a big fancy rack of gear to figure out. With some care and free software, you can do it with a PC and the mic input on the sound card. You can actually do it with some cell phones. I don't know of free cell phone software though.
Bob
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07-11-2017, 11:00 AM
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#19
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4 Rivet Member
2015 28' Flying Cloud
Newtown
, Pennsylvania
Join Date: Jan 2015
Posts: 316
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Quote:
Originally Posted by uncle_bob
Hi
What does the output waveform look like? (How close to a sine wave is it?)
Yes that sounds like it would take a big fancy rack of gear to figure out. With some care and free software, you can do it with a PC and the mic input on the sound card. You can actually do it with some cell phones. I don't know of free cell phone software though.
Bob
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I may be wrong, but I would think any inverter generator that is parallel ready is necessarily a sine-wave output.
Bruce
__________________
50 amp, Awning package
2015 Ram 2500 6.7 TD, Blue Ox 1000 lb.
400ah LiFePo4, 800 watts solar, 2x eu2000i Propane
PD9160 converter, Prosine 1800 inverter
2x Victron 100/30 Smart Solar, Victron Smart Shunt
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07-11-2017, 11:21 AM
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#20
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Rivet Master
2017 26' Flying Cloud
Tampa
, Florida
Join Date: Feb 2017
Posts: 7,657
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Quote:
Originally Posted by uncle_bob
What does the output waveform look like? (How close to a sine wave is it?)
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??? How many people asked that about the Honda 2000?
Personally, I hope it's a great value. Competition is good.
As someone who spent the last 25 years looking a VU meters, there's more difference in how the sound is measured than how it's perceived. It's also possible the manufacturers are making it all up anyway. Really? 57Db? Was it indoors or out? What was it sitting on? Which way was it facing? What load was on it? The best reviews allow you to surmise, Yes, #1 is louder than #2. Sometimes it's the tone. The Honda 2000 has a more pleasing noise than a Champion, perhaps. Same level, one is perceived as more annoying.
Everyone tells me, "TV commercials are louder than the program." Well, they're not. They're compressed, so they're perceived as being louder.
Anyway, The market for RV generators is wide open! And that's good.
Soon I expect to see one sold in a Hush Pack, like the Onan for MH's. Air has to get in, exhaust has to escape, it can't catch fire, and you need to add fuel. Off to the drawing board! 40DB!
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