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#1
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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 |
#2
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? |
#3
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: 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? Do a google search of "marine generator fiberglass enclosure" and you'll find many big name manufactures who utilize fiberglass enclosures in their smaller generators. -- Geoff |
#4
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
Geoff Schultz wrote: "Bill Kearney" wkearney-99@hot-mail-com wrote in t: 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? Do a google search of "marine generator fiberglass enclosure" and you'll find many big name manufactures who utilize fiberglass enclosures in their smaller generators. -- Geoff $1300 for one....yowsa! -Greg |
#5
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
dene wrote: Again....don't hesitate to be critical and/or creative. Seems like guilding the lily to me; the little Hondas are already pretty quiet. On my boat, the deck vibration when the generator is running is more of an irritation than the generator's sounds. Reduced by putting the generator on a 1" thick piece of engine room sound insulation. Or, put the thing on the end of the dock, almost unnoticeable below decks. Anyway, I'm highly critical. The instruction booklet is quite clear, don't mess with the exhaust outlet, don't run in confined spaces. Reasons? Exhaust back pressure and overheating. Your setup is recycling a huge amount of cooling air through the generator and roasting it good. At the least, your "genny in an icebox" will have a short service life, worst case a spectacular meltdown. |
#6
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
I think that is a nice idea for a jury rig, sufficient cooling, etc. to be left to sort out by the individual user, depending on load and whatnot. I would probably not pay money for it on ebay, because it is not really a product, and I would definitely not sell it, because of liability issues. 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. Here are some pictures with comments in the captions. Please share all opinions. http://tinyurl.com/2kqwjd Outlay was as follows.... $35 cooler $10 ventilation pipe/exhaust $30 padded cooler cover Plus an hour or two of labor. Results....this modified cooler cut down the sound about a third. Most of the remaining noise comes from the exhaust. Also pertinant, the gen-box looks good on the back of my upper swim platform and it provides waterproofing for the genny, which will allow me to use it in the rain. (We get a little here). Again....don't hesitate to be critical and/or creative. Thanks! -Greg Schoenberg "She Said Yes" 2002 Regal 2465 Kalama, Washington |
#7
posted to rec.boats,rec.boats.cruising
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Soundproofing/Waterproofing a Honda Genny
A fellow on one of the caravan forums described a similar idea, though he
built the enclosure from timber. One idea that may be useful to you is that he used a 12v computer fan to help keep the genny cool while running Cheers David 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. Here are some pictures with comments in the captions. Please share all opinions. http://tinyurl.com/2kqwjd Outlay was as follows.... $35 cooler $10 ventilation pipe/exhaust $30 padded cooler cover Plus an hour or two of labor. Results....this modified cooler cut down the sound about a third. Most of the remaining noise comes from the exhaust. Also pertinant, the gen-box looks good on the back of my upper swim platform and it provides waterproofing for the genny, which will allow me to use it in the rain. (We get a little here). Again....don't hesitate to be critical and/or creative. Thanks! -Greg Schoenberg "She Said Yes" 2002 Regal 2465 Kalama, Washington |
#8
posted to rec.boats,rec.boats.cruising
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Latest re. Prototype
Spent the part of the day on the transient dock, experimenting with
this prototype. Bad news is that after 20 mins. of running on a medium load, two of the four inner cooler walls were unacceptably hot....hot like a Texas sidewalk in July. The following link reveals some pictures along with captions which further explain the problem. http://tinyurl.com/ynjwkh Good news is.... 1. Neither the boat, nor the genny, blew up 2. The sound and vibration was dramatically reduced. When sitting in the cabin, we could barely hear the gen. 3. The bosum mate likes the look of it on the swim platform. So....I intend to ventilate further with larger holes on all four side and also connect a DC fan to the gen., which will run the entire time the gen runs. I hope to order it tomorrow. Experimentation continues.....only this time it will be in a parking lot with the eco-throttle off. Stay tuned. If this doesn't work, then I may purchase the Rubbermaid Action Packer box that another boater successfully used and modify it. He simply has a large hole on each side....one for the cords and one for the exhaust. He claims no problems. Is it possible/likely that this heavy duty plastic box does a better job of difusing heat than a cooler would? -Greg Portland, Oregon |
#9
posted to rec.boats,rec.boats.cruising
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Latest re. Prototype
As I said before, it's the temp of the inverter board, alternator, and
cylinder head that's critical. Measuring the temp of the air in the enclosure or radiant IR heating of the enclosure walls is meaningless for determining this. It's like when your automatic trans starts slipping. The clutches are red hot inside, but you have no sense of this from the drivers seat. With the temp of the enclosure as you describe, the internals of the gen are probably near meltdown. At the least the heat stress will damage the electronics and cause early failure, and the hot intake air will fry the engine. At worst, it will boil the fuel into a nice 14.7:1 ratio and blow your boat out of the water. JR dene wrote: Spent the part of the day on the transient dock, experimenting with this prototype. Bad news is that after 20 mins. of running on a medium load, two of the four inner cooler walls were unacceptably hot....hot like a Texas sidewalk in July. The following link reveals some pictures along with captions which further explain the problem. http://tinyurl.com/ynjwkh Good news is.... 1. Neither the boat, nor the genny, blew up 2. The sound and vibration was dramatically reduced. When sitting in the cabin, we could barely hear the gen. 3. The bosum mate likes the look of it on the swim platform. So....I intend to ventilate further with larger holes on all four side and also connect a DC fan to the gen., which will run the entire time the gen runs. I hope to order it tomorrow. Experimentation continues.....only this time it will be in a parking lot with the eco-throttle off. Stay tuned. If this doesn't work, then I may purchase the Rubbermaid Action Packer box that another boater successfully used and modify it. He simply has a large hole on each side....one for the cords and one for the exhaust. He claims no problems. Is it possible/likely that this heavy duty plastic box does a better job of difusing heat than a cooler would? -Greg Portland, Oregon -- -------------------------------------------------------------- Home Page: http://www.seanet.com/~jasonrnorth |
#10
posted to rec.boats,rec.boats.cruising
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Latest re. Prototype
On 22 Jan 2007 00:30:52 -0800, "dene" wrote:
Is it possible/likely that this heavy duty plastic box does a better job of difusing heat than a cooler would? -Greg Portland, Oregon So just how is it that a guy from Portland, Oregon has a boat documented in Punta Gorda, FL ? |
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