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Noise and generators
Suggest you buy a sound level meter from Radio Shack for $39 analog or
$49 digital and track down the hot noise spots and sound leaks - and plug them. The irritation is either transmitted thru air - sound waves, or solids - vibration. There's no other way. Use very soft mounts. Or double mounts. 3600 rpm is harder to quiet down than 1800 - but you got what you got. We cruised for 5 years with a 7.5 KW Onan in our engine room under center cockpit similar design to yours. It was noisy but worse - unreliable. I've replaced it with a 6 kw Northern Lights 1800 rpm genset with no sound shield as I like to visually inspect often. Vast difference in noise created. The Onan had a very noisy air intake - check this noise source out carefully on yours - and a 2 cyl clattery engine. We had and still have 4 big solar panels - it's tough to find a good spot for these - we moved them 3 times before finding a least objectionable home. We had a wind generator - noisy, vibrating and dangerous and high maintenance - sold it - would not have one again. No matter who's. When it's squall time at 3 am and the wind kicks up to 35 kts with cold driving rain - who wants to go on deck to turn it out of the wind and secure it. They all sound like a Cessna on the back deck trying to do a short field takeoff. And they **** off you neighbors. On Thu, 10 Jun 2004 16:09:40 -0400, "Skip Gundlach" skipgundlach.sez.remove.this.and.the.dots.to.mail wrote: In several of the mailing lists of which I partake, there's been discussion of generators of late, originally about using AC, but migrating to charging, noise, space and cost considerations and other issues. As we prepare to cut the cord for the rest of our lives, we're actively considering an arch to carry solar and wind gear, as we'll be spending the rest of our lives in the Caribbean, where there's ample of both. However, the boat currently (pardon the expression) has a working generator of recent |
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