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#21
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
Bob wrote: Thanks Greg. My sights were more twords the lower end of the river. I spent a week at Scooner Creek's yard and the island is a bit too much city for me. Next time Im up that way I will take a look at Cathlamet. Thanks for the info. Good luck with your new spot. And I dont want to see you on KATU sliding down some street with all that freezing rain. Bob In that case, check out St. Helens. Our favorite Columbia River destination. Good food, movie theatre, shops, view of the river, and a nice marina. I inquired last month and there was a couple of covered moorages available. -Greg |
#22
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
On 19 Jan 2007 23:08:04 -0800, "dene" wrote:
A couple of months ago, somebody in a boating forum described using a modified cooler to house a honda 2000 genny. I passed on those posts to my talented stepson and today we came up with a proto-type, that he may eventually market for roughly $150 on E-bay. This is the first one with more improvements envisioned before it goes to market. This cooler is a Coleman 5 day, 100 qt. we got on sale at Walmart for $35. Only problem with it is that it's not high enough, forcing us to cut a hole into the top of the door. Though I've had no experience with gensets, I've many times wondered why the commonly used small engines can't be quieted with better mufflers. Never looked into it hard, but it seems to me that better exhaust muffling could be fabricated without using too much extra space. I'm not up on back pressure issues, so that's a consideration. Something else that comes to mind is rigging a sound deflector from suitable materials to attach to points on the genset, where you'll still have a side open for cooling yet project the mechanical sounds away from the boat. Might break down for compact stowage. Just some thoughts. --Vic |
#23
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
Remember the original WTC bombing and the differential housing SN?
If enough money is involved, lawyers will find someway to point at someone to be responsible. BF "Larry" wrote in message ... "William Longyard" wrote in link.net: Would I sell that on eBay? Only if I didn't mind inviting lawsuits for the first one that catches on fire. Plastic fires are very nasty, especially with gasoline nearby. Won't be a problem if it kills everyone involved. When the plastic starts burning, it will boil the gas in the little plastic tank inside the cooler. The ensuing explosion should destroy all the evidence and kill everyone within several hundred feet from the concussion....eliminating those nasty lawsuits. Larry -- Democracy is when two wolves and a sheep vote on who's for dinner. Liberty is when the sheep has his own gun. |
#24
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
Great thoughts....thanks!
-Greg Vic Smith wrote: On 19 Jan 2007 23:08:04 -0800, "dene" wrote: A couple of months ago, somebody in a boating forum described using a modified cooler to house a honda 2000 genny. I passed on those posts to my talented stepson and today we came up with a proto-type, that he may eventually market for roughly $150 on E-bay. This is the first one with more improvements envisioned before it goes to market. This cooler is a Coleman 5 day, 100 qt. we got on sale at Walmart for $35. Only problem with it is that it's not high enough, forcing us to cut a hole into the top of the door. Though I've had no experience with gensets, I've many times wondered why the commonly used small engines can't be quieted with better mufflers. Never looked into it hard, but it seems to me that better exhaust muffling could be fabricated without using too much extra space. I'm not up on back pressure issues, so that's a consideration. Something else that comes to mind is rigging a sound deflector from suitable materials to attach to points on the genset, where you'll still have a side open for cooling yet project the mechanical sounds away from the boat. Might break down for compact stowage. Just some thoughts. --Vic |
#25
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
Thanks again for all the advice!
Here's an update so far.... 1. I was unable to locate 9 volt muffin fans, at Comp USA or Home Depot. Will order two on-line and likely install them near the power outlet and the carb intake. In addition, we plan on installing two louvered vents and drill some more holes on the side of the cooler. 2. I ran the genny on medium load for 20 mins. while it powered a ceramic heater for the cockpit. We were in a now wake zone which enabled me to hear it. There was no problem. The lid was partially opened. The temperature inside the cooler was 151 degrees. Near the exhaust, the side of the cooler was hot. I could put my hand on it for just two seconds. However, no sign of melting. Is this too hot of an enviroment? 3. Per a poster's suggestion, I put a thick bathmat under the cooler. This helped dampen the sound and vibration considerably. 4. I don't have any CO concerns. The exhaust is right by the engine vapor vent which always stays on while the genny is running. However, Regal has a CO detector in the cockpit and cabin. 5. Many have warned me about liability....thank you. At this point, my concern is with my own genny. I will have to be certain it works before promoting the design, via a paid download, or manufacturing one for somebody else. Regardless, I will not make a penny. This is for my stepson. I've been accused in an unmoderated forum of spamming. If this was true, then why would I post clear pictures of the design and list all the materials. Again, I want this to work for my own boating needs. If this enable another to solve their genny problems, then I'm tickled. Feel free to copy and tinker with this all you want. Finally, I was heartened by the experience of a Bayliner owner, who writes the following about his own experience...... -------------------------------------------------------------------------------------------------- "I built a sound box for my Honda 2000i out of a plastic storage tub with a top. Cut out a section for the exhaust end to stick out and an opening to put the cords through and a chain to lock it (Genny) to the step just in case a person came by and created a wake and we started rocking and rolling. I have put it on the swim platform and found it better to be on top of the roof (Hardtop and I realize a lot of folks couldn't do that). All I did was get a rubber door mat and fit it under the Genny on the bottom of the tub and it wraps up about a 1/3rd of the way up each side and this has cut the noise down at least 1/3. It also took away a lot of the vibration noise that you get through the boat. I have used it in very hot weather running for a few hours with no problems. Also has been in rain and the Genny stayed dry. After 3 years I have no complaints or any problems other than the plastic box has gotten old and I lost the top one time in a high wind storm. I 'm currently working with a fabricator (good friend) to make one out of aluminum that is hinged and will fold up for storage. It will have louvers on each side and similar to the plastic box an opening for the exhaust and the other side for the cords and chain. It will be lined with 3m soundproofing material same as used in engine rooms. We have been kicking around putting a small electric fan in it that will run off the one outlet I don't use. And this will draw in air. Honda made the Genny for camping and other applications and wanted to keep it light. I think one can improve on making it quieter with some form of sound box that Honda would approve of as long as it gets enough air to keep it cool. In the plastic box and on the roof (hardtop) I thought there would be a lot of vibration and it would be louder. It actually is very quiet when we go below and close up the hatches to watch a movie, heat the water, run the microwave. The other nice thing with it on the roof, it lowers any problems of Carbon Monoxide coming into the cabin. I also point it away from other boats that may be anchored next to us and it reduces any sound for them too. --------------------------------------------------------------------------------------------------- Count me as one who is interested!!! -Greg |
#26
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
I passed on those posts to
my talented stepson and today we came up with a proto-type, that he may eventually market for roughly $150 on E-bay. $150 each is nowhere near enough to counterbalance the insurance you're going to need to fend off the lawsuits. Have you never seen the REAL enclosures they put REAL gensets? They're METAL, not plastic. And they're insulated with fire retardant foam. Half-assing this in a plastic box is, well, just plain stupid. Fobbing it off on your stepson borders on child abuse. Hey I'm all for the idea of making a better mousetrap, but this ain't it. |
#27
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
dene wrote: Bob wrote: dene wrote: A couple of months ago, somebody in a boating forum described using a modified cooler to house a honda 2000 genny. -Greg Schoenberg "She Said Yes" 2002 Regal 2465 Kalama, Washington HiGeg: Great idea! I too agree about the heat problem. But hey, run a test. Stick a Thermometer in side and start er up. Please post you results this aternoon. Ever run into a family named Miller in your town? Most the kids would be in their 50s by now. Bob. Not yet Bob. We just moved to "Mayberry" six months ago. We're slowly getting to know folks. I'll bring the thermometer and post the results. Also measure the temperature outside the box. The temperature inside the box probably shouldn't get any hotter than 100F. So, you can raise the temperature outside until you get a 100F inside. Then you can specify a maximum ambient temperature for using the box. Great feedback....thanks a bunch! -Greg |
#28
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
"Bill Kearney" wkearney-99@hot-mail-com wrote in
t: I passed on those posts to my talented stepson and today we came up with a proto-type, that he may eventually market for roughly $150 on E-bay. $150 each is nowhere near enough to counterbalance the insurance you're going to need to fend off the lawsuits. Have you never seen the REAL enclosures they put REAL gensets? They're METAL, not plastic. And they're insulated with fire retardant foam. Perhaps you haven't looked at a lot of smaller generators, but they're typically housed in fiberglass enclosures. -- Geoff |
#29
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
"dene" wrote in
ups.com: Thanks again for all the advice! Here's an update so far.... [clip] 2. I ran the genny on medium load for 20 mins. while it powered a ceramic heater for the cockpit. We were in a now wake zone which enabled me to hear it. There was no problem. The lid was partially opened. The temperature inside the cooler was 151 degrees. Near the exhaust, the side of the cooler was hot. I could put my hand on it for just two seconds. However, no sign of melting. Is this too hot of an enviroment? [clip] Do you really think that this unit was designed to run in 151 degrees? If that's the air temp, how hot do you think that the engine components are getting? I would also worry about the oil breaking down. I think that you're just lucky that the motor hasn't seized as of yet. -- Geoff |
#30
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
Perhaps you haven't looked at a lot of smaller generators, but they're
typically housed in fiberglass enclosures. On boats or land/RV applications? |
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