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Sound- absorption or reflection
02-21-2009, 04:48
Post: #13
Sound- absorption or reflection
I havw ONAN RS12000(12K)unit outside my bedroom window (10 Ft) and can not hear it when it is running. Insulation is a 1" thick sponge with reflecting face sheet that is lined inside of the box that the generator
sits in. Works well cant tell you how many times I have awaken in the morning to find that the power was off for 6 hours or so



Scooter 2000LX Ocqueoc, MI





To: WanderlodgeForum@yahoogroups.com
From: jqrjr@...
Date: Fri, 20 Feb 2009 20:01:40 -0800
Subject: Re: [WanderlodgeForum] Sound- absorption or reflection


I would assume that the sound deading material used in these generator compartments actually reflect the nooise down. so the noie is forced under the coaches. Many boats and I belive that some new coaches now have a box lined with sound deading which the generator is placed.
just a thought
jim riordan
88 wbwl xxv
stuart fl

--- On Fri, 2/20/09, Ernest Ekberg com> wrote:
From: Ernest Ekberg com>
Subject: [WanderlodgeForum] Sound- absorption or reflection
To: WanderlodgeForum@yahoogroups.com
Date: Friday, February 20, 2009, 7:43 PM


After installing many generator compartments with the new insulation, I
was wondering if there is a manufacturer that offers both.
I insulated Bob Lawrences' generator compartment last December. He
measured the db levels before and after and found that while the heat
was reflected from the interior of the coach, the sound was also
deflected to the outside. thus his db levels INCREASED to over 90.
I know my with my coach, that I have been asked to park way downwind as
my generator is really loud. Maybe its the dogs I carry with me???
But, if there is a product that will absorb that sound while reflecting
the heat, let's talk about it.
Ernie-83PT40 in Texas, buying earplugs by the case~


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Messages In This Thread
Sound- absorption or reflection - Ernest Ekberg - 02-20-2009, 12:43
Sound- absorption or reflection - Stephen Birtles - 02-20-2009, 13:08
Sound- absorption or reflection - Terry Neal - 02-20-2009, 15:16
Sound- absorption or reflection - Marv & Jean - 02-20-2009, 15:48
Sound- absorption or reflection - jim riordan - 02-20-2009, 16:01
Sound- absorption or reflection - mariopatti1 - 02-20-2009, 17:43
Sound- absorption or reflection - timvasqz - 02-20-2009, 18:05
Sound- absorption or reflection - Ernie Ekberg - 02-21-2009, 01:23
Sound- absorption or reflection - Ernie Ekberg - 02-21-2009, 01:39
Sound- absorption or reflection - Stephen Birtles - 02-21-2009, 03:26
Sound- absorption or reflection - Stephen Birtles - 02-21-2009, 04:16
Sound- absorption or reflection - David Brady - 02-21-2009, 04:38
Sound- absorption or reflection - Al Scudder - 02-21-2009 04:48
Sound- absorption or reflection - fishfarm2003 - 02-21-2009, 06:30
Sound- absorption or reflection - Bill Garamella - 02-21-2009, 06:35
Sound- absorption or reflection - Ernie Ekberg - 02-21-2009, 06:46
Sound- absorption or reflection - Chuck Wheeler - 02-21-2009, 08:33
Sound- absorption or reflection - timvasqz - 02-21-2009, 16:38
Sound- absorption or reflection - Kurt Horvath - 02-21-2009, 20:06
Sound- absorption or reflection - Ernie Ekberg - 02-22-2009, 02:37
Sound- absorption or reflection - david brady - 02-22-2009, 02:39
Sound- absorption or reflection - david brady - 02-22-2009, 02:48
Sound- absorption or reflection - Ernie Ekberg - 02-22-2009, 03:02
Sound- absorption or reflection - David Brady - 02-22-2009, 03:10
Sound- absorption or reflection - Ralph L. Fullenwider - 02-22-2009, 04:31
Sound- absorption or reflection - timvasqz - 02-22-2009, 04:37
Sound- absorption or reflection - timvasqz - 02-22-2009, 04:41
Sound- absorption or reflection - Pete Masterson - 02-22-2009, 06:12



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