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  #31 (permalink)  
Old 01-25-2008, 01:21 AM
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Excellent idea.!!!

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  #32 (permalink)  
Old 01-25-2008, 07:43 AM
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Quote:
Originally Posted by bentwings
lLst summer in an effort to quiet our HF POS down I draped two big beach towels over it and surprising it knocked off quite a bit of noise. Since it only runs occasionally it was livable. It was actually better than the box with insulation that I made previously.

I also found the air intake to be particularly noisy. Unfortunately ours has some wierd thread. it is undoubtely a metric of some sort but I sure couldn't find a match in my gages. In the spring I'm going to get a tap that is close and tap the thing out to someting I can get and build an intake muffler. Then I'm goin gto go after the box idea again but this time I'll try at least 3 different weight of insulation including a lead layer. This will be sealed except for a cooling vent right at the cylinder.
Be carefull how you design the cooling vent - any opening will allow the noise to escape. The closer to the source, the louder it will be. Make it a torturous path if you can. The more turns the air has to take, the better...noise dissipation-wise, that is.
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Old 01-25-2008, 11:00 AM
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You might try some of the stuff they use for rhino truck bed liners. You can buy it at some auto parts stores. Might help.

Last year at an air show they had a P-52, F-16 and an FA-18, (I think that's what it was anyway) the new fighter plane fly over at one time. The P-51 was a lot smaller than the F-16 and the F-16 was a lot smaller than the FA-18. The FA-18 made some awesome moves

Danny

Last edited by Kampr; 01-25-2008 at 11:06 AM.
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  #34 (permalink)  
Old 01-25-2008, 11:05 AM
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That's exactly what I had in mind. My current thought is that the air intake will make 2 90 degree turns. The duct will have insulating material inside of it similar to A/C home ducting. The exhaust or vent will also have 2 90 deg bends exiting near the floor which will have a foam mat at the exit.
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  #35 (permalink)  
Old 01-25-2008, 11:26 AM
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noisy compressor

Hi,you want to make it quiet heres an easy way,with your right hand,take the electrical plug out of the socket,with your left hand,pick up the compressor,and put it into the back of the truck(or trunk of the car) take it to the nearest dump....AND DUMP IT...
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  #36 (permalink)  
Old 01-25-2008, 12:20 PM
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Quote:
Originally Posted by boatbob2
Hi,you want to make it quiet heres an easy way,with your right hand,take the electrical plug out of the socket,with your left hand,pick up the compressor,and put it into the back of the truck(or trunk of the car) take it to the nearest dump....AND DUMP IT...
I was going to say something similar to that but I am trying to be nice today.
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  #37 (permalink)  
Old 01-25-2008, 12:33 PM
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Quote:
Originally Posted by boatbob2
Hi,you want to make it quiet heres an easy way,with your right hand,take the electrical plug out of the socket,with your left hand,pick up the compressor,and put it into the back of the truck(or trunk of the car) take it to the nearest dump....AND DUMP IT...
Or do what I used to do: turn the stereo up REAL LOUD! Preferably side 2 of Led Zeppelin IV!!
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Old 01-25-2008, 12:59 PM
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Originally Posted by AntnyL
Or do what I used to do: turn the stereo up REAL LOUD! Preferably side 2 of Led Zeppelin IV!!

That CD has 2 sides???


In a while, Chet.
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  #39 (permalink)  
Old 01-25-2008, 01:10 PM
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Quote:
Originally Posted by schnitz
That CD has 2 sides???


In a while, Chet.

Hahahaha some people have turntables in their shop...

Mikey's shop stereo..

Usually the Sirius radio is playing, but sometimes I need an attitude adjustment to get right with society..

...Then it's a Frank Zappa vinyl marathon

Scary shop music keeps the looky-loos out as well. (they think I'm filming deviant porn or something )

Later, mikey
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  #40 (permalink)  
Old 01-25-2008, 03:08 PM
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Quote:
Originally Posted by schnitz
That CD has 2 sides???


In a while, Chet.
Hah! While my turntable is looooong gone, I still refer to those songs as the "side 2" songs! I recently brought all my beloved old LP's (yes, including the Led Zepp collection, Sabath, Yes, Aerosmith, and all my other faves) to my local recycling depot. The kid there was all too happ to take them off my hands. In return, he let me take a pile of nice sheetmetal that I can use to repair the rust on my 55 Chebby truck. So it all went to a good cause!

Hey Mikey, cool stereo setup!
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  #41 (permalink)  
Old 01-25-2008, 09:13 PM
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I like Vinyl...

Anyway, I have a 7.5 HP Kaeser oiless compressor, it came mounted in it's own sound deadening box. It is a 2 cylinder piston type, not a diaphram, and not a screw type as most Kaesers are.




The box is aluminum, all welded with opening doors on 2 sides and the top.

The doors are all gasketed, and the whole box is lined with 1 1/2" acoustic foam. There is a vent for air intake, and air is directed through a duct with more foam and some baffles.

The exhaust air goes out through another foam lined duct on the other side.

I have a 1" ID length of high pressure hose connecting to a remote tank.


This setup is so quiet that you can stand under it, (as shown in the pic, it's on a rack 8' off the floor.), and have a normal conversation while it is running.

If I were you I would get an old refrigerator and line it with soft foam, cut some breather holes with a muffin fan or 2, and put the pump in it..Put the tank somewhere else with a hose running to it.

Red Green strikes again.


Later, mikey
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