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TOPIC: Genny sound proofing

Genny sound proofing 15 Sep 2017 12:01 #1

  • businessgetmoney
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So during this winters overhaul i want to try and sound proof my gen set down in the bilge. Id like to box it off completely. The only concern i can think of is overheating, but with it being liquid cooled idk if thats a factor or not.

What do you guys think, ever come across any genius ingenuity? Just a bit loud in the cabin

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1993 formula pc 31 twin 454 bravo 2
1989 2655 cierra 5.7 omc cobra
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Genny sound proofing 15 Sep 2017 12:57 #2

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Our 4087 has a metal box with foam on the inside which completely cover the genny. I assume it was a westerbeke factory installation?

Check this, but pricey: www.westerbeke.com/soundguards.htm

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Genny sound proofing 16 Sep 2017 02:52 #3

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If it were my boat I think I'd just build a well planned, resin coated and painted marine plywood box lined with sound deadening material from Sound Technology. soundtechco.com They have a variety of materials to choose from.

Greg

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Newport, Oregon
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1986 3270 with twin 110 HP Hino diesels. Name of boat "Mr. Darcy"
Past work history: Prototyping, tooling, and repair for Reinell,. General fiberglass boat repair starting in 1976.
Also worked as heavy equipment mechanic, and machinery mechanic for over 30 years....

Genny sound proofing 16 Sep 2017 03:33 #4

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I didn't even resin coat it - just a sheet of 1/2" MDO and gray paint. 1.5" thick foam. It made a big improvement. I think I might do a gensep and kill the exhaust noise too.

Few bungee cords and posts to hold it together and easy to get in to check fluids

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Genny sound proofing 17 Sep 2017 02:15 #5

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Yes all good ideas. But no reports of overheating?

As far as exhaust i guess not all have them but mine has a "water can" muffler im calling it. The exhaust is very quiet.

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1993 formula pc 31 twin 454 bravo 2
1989 2655 cierra 5.7 omc cobra
2014 "searay" tandom trailer

Anchor bay clinton river
Michigan
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