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Old 18th March 2008, 22:43   #46
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Gurus

If Damping is all about increasing the weight of the vibrating body and hence reduce or stop the vibration but then what about the weight.

How much Weight does it increases if applied as far as front doors fitted with components are considered in a swift(or any other car)?

Does the increased weight hamper the performance, mileage of the car?

Does the increased weight bother the suspensions of the car as this weight becomes permanent?

Dont know if my questions are appropriate but just struck with these questions as i am planning ICEing up my swift and would encounter the vibration situation.
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Old 18th March 2008, 23:49   #47
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My doors have already been damped with the Butyl Rubber cum crosslink foam sandwich as mentioned in the Damping material and sound deadner thread.

I'd really recommend Noise Kill as its cheap and does the job really well!

Moreover, I've noticed that in many cases its things like the power window assembly which rattle rather than the door itself.

Ideally eliminate all these rattles first. One could use a filler like silicon rubber around the screws / bolts.
Only after getting rid of these rattles should you contemplate the need for damping.

cheers!
Shrivz
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Old 18th March 2008, 23:54   #48
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Quote:
Originally Posted by tush View Post
Gurus

If Damping is all about increasing the weight of the vibrating body and hence reduce or stop the vibration but then what about the weight.

How much Weight does it increases if applied as far as front doors fitted with components are considered in a swift(or any other car)?

Does the increased weight hamper the performance, mileage of the car?

Does the increased weight bother the suspensions of the car as this weight becomes permanent?

Dont know if my questions are appropriate but just struck with these questions as i am planning ICEing up my swift and would encounter the vibration situation.
You can shed a few kgs yourself!! jogging is the key!!
I'm working on it! well, almost!
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Old 19th March 2008, 00:33   #49
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Originally Posted by gunbir View Post
Last time I checked, our FonoMat worked out to be the cheapest commercially available branded product, retailing for Rs 220 per 10"x10" mat.
@LBM : At Rs 220 for a 10x10 mat , I'd say it's affordable.
Or did he forget to add an extra zero ??
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Old 20th March 2008, 19:51   #50
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Quote:
Originally Posted by shrivz View Post
You can shed a few kgs yourself!! jogging is the key!!
I'm working on it! well, almost!
Hey shrivz gud one....
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Old 21st March 2008, 10:48   #51
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One of our members have raised an interesting question on the alternative material(during an offline chat):

how safe are these alternative material to fire?? e.g. shrivz found a low cost alternative in the form of dual adhesive rubber. when the rubber burns, it is not easy to stop it.

I think the material used should also be fire-retardant. Btw, are the conventional damping material used are fire-retardant???


raj.
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Old 21st March 2008, 11:25   #52
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how safe are these alternative material to fire?? e.g. shrivz found a low cost alternative in the form of dual adhesive rubber. when the rubber burns, it is not easy to stop it.

raj.
you can add the cotton waste (used for stuffing boot) to that list.
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Old 21st March 2008, 11:42   #53
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Thats is a valid concern. But i think all the butyl rubber based damping available commercially would fall under the list too.

Quote:
Originally Posted by kkr2k2 View Post
One of our members have raised an interesting question on the alternative material(during an offline chat):

how safe are these alternative material to fire?? e.g. shrivz found a low cost alternative in the form of dual adhesive rubber. when the rubber burns, it is not easy to stop it.

I think the material used should also be fire-retardant. Btw, are the conventional damping material used are fire-retardant???


raj.
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Old 21st March 2008, 11:52   #54
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Originally Posted by sonic_boom View Post
@LBM : At Rs 220 for a 10x10 mat , I'd say it's affordable.
Or did he forget to add an extra zero ??
I got the NoiseSkill 12 x 12 inch sheet for Rs 150 per sq ft.
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Old 21st March 2008, 12:09   #55
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I guess almost all different types of damping material available in the market is flammable including dynamat..
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Old 29th March 2008, 18:41   #56
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Im going to a few places tomorrow to look for rubber sheets.

What thickness should i look for ?
2mm, 3mm, 4mm ????
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Old 29th March 2008, 18:52   #57
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thicker they will fall off, thinner they will will not work...best is 2mm IMHO along with thick aluminum sheet.
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Old 29th March 2008, 19:01   #58
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thick aluminium over a 2 - 3mm sheet sounds perfect!
The sheets I used were about 1.5mm thick, but I used cross-link foam over it..
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Old 29th March 2008, 20:40   #59
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what purpose does the aluminum serve ?
What thickness of aluminium to use and where should i get it ?
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Old 30th March 2008, 14:21   #60
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I couldnt find self adhesive sheets

However one shop had a roll of thin neoprene, no smell, light weight, flexible and Rs110 per kg. It was perfect in all ways except that it wasnt self adhesive.

Is it possible to stick it with a rubber based adhesive ? And if i do that what should i use to apple pressure until the adhesive cures ?
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