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SM49

ontario

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Posted: 10/30/19 06:51pm Link  |  Quote  |  Print  |  Notify Moderator

I have a 2004 four winds 28a class c with a generac quietpac 40g generator, how can I quiet it down

Lwiddis

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Posted: 10/30/19 06:55pm Link  |  Quote  |  Print  |  Notify Moderator

Install an adequate solar system.


Winnebago 2101DS TT & 2020 Chevy Silverado 1500 LTZ Z71, 300 watts solar-parallel & MPPT, Trojan T-125s. TALL pole for flags. Prefer USFS, COE, BLM, NPS, TVA, USF&WS, state & county camps. Bicyclist! 14 year Army vet - 11B40 then 11A - (MOS 1542 & 1560)


MDKMDK

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Posted: 10/30/19 06:58pm Link  |  Quote  |  Print  |  Notify Moderator

Stop using it.


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Lwiddis

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Posted: 10/30/19 07:08pm Link  |  Quote  |  Print  |  Notify Moderator

MDK, that’s what I was advocating. But directness has its place.

beemerphile1

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Posted: 10/30/19 07:25pm Link  |  Quote  |  Print  |  Notify Moderator

I've read that a raw potato in the exhaust pipe really quiets them down.

Seriously, what's the issue? Is something wrong with it?


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pnichols

The Other California

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Posted: 10/30/19 08:07pm Link  |  Quote  |  Print  |  Notify Moderator

SM49 wrote:

I have a 2004 four winds 28a class c with a generac quietpac 40g generator, how can I quiet it down


I would suggest adding (glueing?) sound proofing material onto all of the interior walls of the cabinet in which the generator is installed by the motorhome builder.

The fireproof sound proofing material used by boaters would be best. When you attach any of the material - make sure to not block or decrease the air flow path size - of where cooling air enters and exits the areas around the generator.

Make sure to include the interior cabinet wall right above the generator so as to reduce sound transfer into the coach interior. For the ultimate in any generator vibration isolation from the interior, high performance isolation mounts (they're not expensive) can replace the simple rubber feet that probably are used with the stock installation by the motorhome builder.

IMHO ... you should ignore the smart-alec/wise-guy comments earlier. For what we pay for motorhomes, they better be able to be used just about anywhere anytime to protect and provide for the users comfortably without hookups ... just as a small stick-house does with hookups. A built-in motorhome generator helps do just that.

By the way FWIW, our stick-house in a rural location looses grid power occasionally and our small emergency generator helps sustain us just fine!


Phil, 2005 E450 Itasca Spirit 24V

Lwiddis

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Posted: 10/30/19 08:36pm Link  |  Quote  |  Print  |  Notify Moderator

“For what we pay for motorhomes,...” we should be able to unnecessarily bother all our close neighbors with generator noise. Heck, solar is new. Once the bugs are worked out...

doxiemom11

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Posted: 10/30/19 09:07pm Link  |  Quote  |  Print  |  Notify Moderator

Does it need a new muffler? Our Onan has a muffler on it.

DFord

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Posted: 10/30/19 09:17pm Link  |  Quote  |  Print  |  Notify Moderator

Unfortunately, OEM generators for RVs all operate at a constant speed of 1800 or 3600 RPM in order to produce 60Hz power. So far, Onan and Generac have failed to get up to speed with inverter technology that would allow them to run only as fast as required to meet usage demands. Honda and all the Honda knock-offs have no problem making inverter type generators. My solution was to buy a small inverter generator and set it next to my MH. After it tops off my batteries, it idles down and I can hardly hear it while I watch TV with my lights on. It runs about 5 or 6 hours on a gallon of gas which beats the pants off the gallon an hour the onboard generator uses. Newer models use technology that permits you to start/stop and monitor how much gas is in the tank on your phone.

I few years ago, I corned a rep at the Onan booth at an FMCA rally and raised a fuss with him about their using such ancient technology. He liked what I said and made a video of me complaining on his camera to take back to the factory. I haven't heard anything about upgrades to their products so far but they're way past due!


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gemsworld

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Posted: 10/30/19 09:40pm Link  |  Quote  |  Print  |  Notify Moderator

DFord wrote:

Unfortunately, OEM generators for RVs all operate at a constant speed of 1800 or 3600 RPM in order to produce 60Hz power. So far, Onan and Generac have failed to get up to speed with inverter technology that would allow them to run only as fast as required to meet usage demands. Honda and all the Honda knock-offs have no problem making inverter type generators. My solution was to buy a small inverter generator and set it next to my MH. After it tops off my batteries, it idles down and I can hardly hear it while I watch TV with my lights on. It runs about 5 or 6 hours on a gallon of gas which beats the pants off the gallon an hour the onboard generator uses. Newer models use technology that permits you to start/stop and monitor how much gas is in the tank on your phone.

I few years ago, I corned a rep at the Onan booth at an FMCA rally and raised a fuss with him about their using such ancient technology. He liked what I said and made a video of me complaining on his camera to take back to the factory. I haven't heard anything about upgrades to their products so far but they're way past due!


There's no incentive because there is no competition. Why spend money on innovation when you can still make a mint selling Model A Fords in 2019?





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