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Old 03-01-2015, 09:31 PM   #21
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I can understand the noise issue of an under bed gen . most of my outtings will be in the rocky mtns so no ac usage at night needed. set up each for their own needs
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Old 03-01-2015, 09:35 PM   #22
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check out wise sales for the generators . free shipping
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Old 03-01-2015, 09:38 PM   #23
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I have a shockwave and my generator is up front under the bed... I covered my generator box is 80mil Fatmat and lowered my db from 74 to 70 in the bed room. In the main living area it went from 72 to 64.

In the bedroom it is noticeable and the only other way to quiet it anymore at this point is an exhaust extension.

I'm happy with my results though. Just my .02
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Old 03-01-2015, 09:44 PM   #24
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Roolie19 what might you expect if you doubled the sound barrier ? or went over what you put up with a thicker type foam ? I was considering first spraying truck bed liner in the gen compartment and then sound proofing on the outsides .
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Old 03-01-2015, 09:47 PM   #25
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I think it's exhaust at this point but listening to it.
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Old 03-01-2015, 09:48 PM   #26
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one thing about propane gens is they really suck the gas , better double or triple your propane capacity , are you'll run out real quick , 2 20# full propane tanks wont run one for 12 hrs . plus you get a good 10 to 15 % less output from propane generators .
I have to ask why spend over $2000 for 2 2000 watt units when you can get a nice 4000 watt operated off gas that runs from our fill stations , [that is if you have a fill station ] with a 30 gallon capacity ? even the 3000 watt portable hands are in the 21 to 23 Hundred dollar range . Now the cheaper 4000 or even 5000 watt portables can be had for under 500 or so ?

Just wondering why people choose one over the other .
I'm pretty sure I'll go with the onan , installed in the compartment all ready built into and pre wired with my 29 . a little sound proofing a little insulation and for 2898 delivered done and done . then i can use the extra room of the a frame for a few batteries etc . maybe mount a good tool box
What kind of gen and where did you get it for 2898?
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Old 03-01-2015, 11:57 PM   #27
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I think it's exhaust at this point but listening to it.

could a exhaust silencer be made ? say out of a larger dia pipe and stuffed with a bit of steel wool ? just a thought
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Old 03-02-2015, 12:01 AM   #28
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What kind of gen and where did you get it for 2898?

wisesales has the onan 4000 w evap delivered for 2899 . this is the way i'm going
Cummins Generators - Onan RV Generators | Wise Sales
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Old 03-02-2015, 09:20 AM   #29
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could a exhaust silencer be made ? say out of a larger dia pipe and stuffed with a bit of steel wool ? just a thought

Most likely not. With the pipe from the exhaust below the bedroom window I'm sure that's where most the sound is going now.

I'm talking about one of these setups.

Camco 44461 Gen-Turi Generator Exhaust Venting System https://www.amazon.com/dp/B000BUU5XG..._Dfh9ub0ZTMW60
https://www.amazon.com/dp/B000BUU5XG..._Dfh9ub0ZTMW60
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Old 03-02-2015, 11:26 AM   #30
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My statement that LPG doesn't produce lethal exhaust isn't correct. If a poorly tuned LPG engine is operated in a confined space or without proper ventilation it can be dangerous. Even a little CO (carbon monoxide) is bad for your health. My thinking was that LPG itself is non-lethal (see attached); colorless; orderless (naturally), but when burned, it can be lethal. The problem is incomplete combustion in any internal combustion engine. Thanks, Youroo. link doesn't work brezzyhillfarm.

http://nccleantech.ncsu.edu/wp-conte...e-Overview.pdf
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