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Tractor Talk Discussion Forum

Think With Me Here

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Allan In NE

01-06-2007 08:53:54




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Mornin' Guys,

My mind is wandering.

In the music business, in an effort to get a directed and concentrated placement of sound, we used plain, ordinary house insulation to line the insides of speaker cabinets to insure that the sound exited only at the front grill/horn. The spun fiberglass is placed with the texture towards the source of the sound.

Sitting here this morning and got to thinking, why couldn't this be done to the dash and cowl area of a tractor as well to keep the noise "outside and forward"?

Allan

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msb

01-06-2007 23:34:56




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
Deere used what they called lead setfin(?) in the Sound Gard bodies. You might try a Google search on it.
I tried a little bit of almost everything in the old 4320 with a Hiniker cab on it with little success.The kids called it the dust bucket.



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someone used my name

01-06-2007 19:46:47




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
Hey Pard,
Custom car guys are usin' "Dyna Mat" ...a bit expensive, but it's self adhesive, easy to use, and it works!!! Regards, D.L.



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coflyboy

01-06-2007 18:38:04




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
Noise is often generated by sympathetic vibration of cab panels. The folks who install furnaces, and airplane people, often attach an aprox 1/8 inch thick black mat-like material to reduce the vibration of metal panels. The material can be purchased at Home Depot if I remember right. It has a shiny side and a sticky side and is stuck to the offending panels. It comes in rolls about 12" wide. This may be the same stuff mentioned by others in this post.

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the tractor vet

01-06-2007 17:24:12




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
I will BUT it will also collect all the dirt dust oil grease and fuel that splashes out of the tank and don't tell me that it won't do that as every tractor i ever pulled the hoods on the top of the tank was soaked . Now just think about the BIG WICK you are maken and just how well that would BURN if a wire shorted with all that oil and fuel soaked into it .



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37 chief

01-06-2007 16:17:52




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
I just put on my radio head phones and don't hear much noise excapt for the radio. Then I take them off and still don't hear much. All I need to hear now is, it's time to eat. Allan you are thinking that is good. stan



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Billy NY

01-06-2007 15:57:39




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
Here is a material that has some uses, part of firestopping assemblies, accoustical properties for sound attenuation when used as insulation, ( I use it to build 1-2hr rated walls )

Made from Basalt Rock and Slag, and is offered in different types, accoustical fire batts A.F.B. and boards, ( must be stiffer, nevr used them ) You compress the batts 50% in what the U.L. fire resistance directory calls the annular space, (the open space between a pipe and the concrete deck it passes through), the material is used to fill the space, compressed tightly in there and then is usually covered with 1/2" firestop type caulk. A typical use for a through floor pipe penetration fire stop assembly, seals the floor for an hourly rating, 2-3 hrs. I like the material, not much of an itch factor when installing it. It does a good job of stopping sound,does not burn and tolerates high temperature. Might work well on a cab.

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Sandbur

01-06-2007 15:19:27




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
Now I have been thinking, Allen shouldn't have to worry about mice getting in to his tractor. He just has to keep the tractor on the move so mice don't have a chance to hitch a ride! :<)



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Larry NE IL

01-06-2007 12:04:46




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
That's the trouble with us humans.....we're never satisfied! A year or so ago Allan you were satisfied with a nice shiny IH tractor. The 1st part of this winter was the thrill of a cozy cab to get out of the weather.....now it's too noisy!
I bet the next thing will be a radio with a CD player!!! :-)



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Bob

01-06-2007 12:11:11




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 Re: Think With Me Here in reply to Larry NE IL, 01-06-2007 12:04:46  
Naw... Allen will hold out for an NOS 8-track player, with an official IH decal! ;-)



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Gerald J.

01-06-2007 11:38:49




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
House insulation bats do work but are better at full wall thickness. The stuff used under hoods and in WELL built speaker cabinets has a higher density to the fiberglass. J.C. Whitney used to sell it a reasonable prices for underhood insulation. Worked fine in my speaker cabinets.

Mice DO LOVE high density fiberglass (probably some complete with tunnels in that clothes dryer out behind the barn) and don't seem to be bothered by it, so they tunnel and live there.

Modern materials should be even better though if its soft mice will find a way to make into home.

Gerald J.

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Glen in TX

01-06-2007 10:53:49




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
Allan, This is other one I was thinking about.



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Scotmac

01-06-2007 10:44:12




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
Allan....a couple of tricks we used to use: On the Hiniker style add on cabs, we used an old cut up tire where the cab mounts to the axle and any where else it fastened. Helps absorb some of the vibration. Then, we filled all the tubes of the cab main frame with sand. Gives you a little extra weight and is cheap. I would think an injectable insullation would work, too. They just need something to absorb some of those vibes!

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Vern-MI

01-06-2007 10:38:45




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
Try giving these people a call and see what they recommend. That stuff deadens sound by allowing the sound waves into the open cell material where it bounces around until it looses energy. That stuff is as pricey as the cab you bought.



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old

01-06-2007 10:31:42




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
Yep it will work real good for maybe a year or 2 then the rats and mice get into the stuff and your out there sweating and you start to itch from it blowing all over you. If you have AC then it gets into the system and you have it all over your self and you breath it in and then you wonder why your haveing trouble breathing. So nope not a good idea. If you want to do some thing use that spry in foam stuff at least it will stay put and even if mice get into the suff all the will do is make tunnels in it, and nests

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Glen in TX

01-06-2007 10:27:31




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
Call this place and ask them what theirs is made of. Sure looks pricy though but maybe it works? Had another name for a place that actually makes it and now I can't find it. It was a foil lined foam board but they had the vinyl foam too for cabs. Check around at local truck shops too as they might have some in stock.

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alnciowa

01-06-2007 09:16:09




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
I have a 4320 with jd cab, kinda noisey especially when you are used to the new ones . To dampen pto gear noise I use the usual house foam in a can and it helped. you want to keep moving your throttle and pto levers as it dries. Seemed to help.



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Allan In NE

01-06-2007 09:26:05




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 Re: Think With Me Here in reply to alnciowa, 01-06-2007 09:16:09  
Sloroll over in Iowa was telling me that to his surprise, the biggest change in noise reduction came when he put in a new headliner in his tractor.

I can understand that as all the vibrations are concentrated to and at that roof.

However, it just seems to me that the little "factory heat shield" behind the engine isn't going to do much for noise cancellation and that noise is going to transmit/magnify all thru that cowl area.

Dunno, just trying to shut 'er up. It is one loud bastage even without a cab. :>)

Allan

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Midwest redneck

01-06-2007 09:14:20




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
Use foam board for insulation. I used a *hit load of it on my crawl space when I built my house. Cut nice with a razor knife too.



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Bob

01-06-2007 09:05:20




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 DON'T even go there... in reply to Allan In NE, 01-06-2007 08:53:54  
No Thanks...

I've had the pleasure of working on several Binders and DEERES with add-on cabs over the years, where someone has stuffed ITCHY fiberglas insulation up inside the dash, around all the controls.

Even WORSE is when the mice make it their personal feedlot and nursery. YEEEAAACCHHH!



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Allan In NE

01-06-2007 09:13:11




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 Re: DON'T even go there... in reply to Bob, 01-06-2007 09:05:20  
You mean like GM did with all their diesels? :>)

Allan



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Bob

01-06-2007 09:50:30




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 Re: DON'T even go there... in reply to Allan In NE, 01-06-2007 09:13:11  
Nothing more fun than working on the top of the engine in a GM (or Ford for that matter) van, rubbing the back of your hands on that $#&@ itchy crap hanging down over the engine (and getting it imbedded in your sleeves)!



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Allan In NE

01-06-2007 09:56:56




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 Re: DON'T even go there... in reply to Bob, 01-06-2007 09:50:30  
I hear ya,

I don't miss that one little bit. :>)

Allan



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rustyj14

01-08-2007 14:57:26




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 Re: DON'T even go there... in reply to Allan In NE, 01-06-2007 09:56:56  
A friend of mine keeps his outdoor equipment in a large shed out back of his house. He's always complaining of something not starting, so i go over, to find the machine loaded up with pink fibreglass insulation, which he has on the inside of the shed! I keep telling him--all he is doing is keeping the mousies warm, and letting me get rich! Well, not rich--keeps me in spending money!



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Matt Smith

01-06-2007 09:02:26




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
I would think that would make perfect mouse habitat.

There is a product calles Dynamat that kids use to sound proof their cars. It's expensive, but there are some companies making knock-offs of the stuff and they are a bit more affordable.



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Matt Kane

01-06-2007 09:08:35




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 Re: Think With Me Here in reply to Matt Smith, 01-06-2007 09:02:26  
I would use dynamat instead of fiberglass. Like said, mice love fiberglass. Eventually it would be a stinky mess. I know alot of people who have sound proofed their cars, and it works wonders. Its a real thin layer of butyl and aluminum, its a vibration damper material.



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Sandbur

01-06-2007 09:01:51




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 08:53:54  
Allen,
Get some insulation with the foil face also to help reflect heat away from the dash? Maybe like furnace duct insulation, or water heater insulation? Of course you wouldn't want to reflect heat in the winter, only in the summer.



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Allan In NE

01-06-2007 09:10:41




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 Re: Think With Me Here in reply to Sandbur, 01-06-2007 09:01:51  
That's what Cliff Neubaurer was telling me.

But, it seems to me that one cancels out the other.

The heat reflective side would have to be installed towards the offending heat. Therefore the sound-cancelling insulation side would be facing "backwards", wouldn't it?

Allan



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Bob

01-06-2007 09:27:38




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 09:10:41  
On the Sound Gard bodies in the 70's , DEERE used a foam rubber/lead sheet/foam rubber matterial.

I seem to recall the lead is now OUT (for obvious reasons), and a dense sheet of plastic is used between the foam layers.

Is that how the automotive stuff "Dynomat" (sp) is made?



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Allan In NE

01-06-2007 09:33:17




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 Re: Think With Me Here in reply to Bob, 01-06-2007 09:27:38  
Sure sounds like that is the stuff to use. Wonder how spendy the material is?

Last spring I used a JD 7800, which was all of 20 years old. Quiet as a church in that thing. Really was pretty impressive.

Allan



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Bob

01-06-2007 10:15:46




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 09:33:17  
Here's a link to some of the multi-layer stuff (for marine use).

NOT cheap!



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Sandbur

01-06-2007 09:19:23




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 Re: Think With Me Here in reply to Allan In NE, 01-06-2007 09:10:41  
Maybe get double foil faced? I think JC Whitney sells this for auto firewalls or car hoods. I wasn't thinking about fiberglass. Some of that furnace insulation or duct insulation is not fiberglass. Try an HVAC supplier also.



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steveormary

01-06-2007 14:42:12




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 Re: Think With Me Here in reply to Sandbur, 01-06-2007 09:19:23  
Allan,I believe you ment think for you not think with you.

steveormary



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