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| Motorized Bicycle General Discussion Topics on bicycle engine kits, help articles, repair and modifications for your motorized bicycles |
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03-01-2010, 02:07 AM
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Motorized Bicycle Senior Member
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Join Date: Jun 2009
Location: hawaii
Posts: 78
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JNM Damp-Pro AnyOne used these yet?
HAs anyone used these are they any good? And would you recomend this?
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03-01-2010, 03:35 PM
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Motorized Bicycle Elite Member
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Join Date: Oct 2009
Location: San Jose CA
Posts: 160
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Re: JNM Damp-Pro AnyOne used these yet?
I've used them, and they are alright. i would guess 10-15% noise reduction.
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Originally Posted by Dan
Whats the worst that can happen? snork!
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03-01-2010, 04:44 PM
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Godfather of Motorized Bicycles
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Join Date: Jan 2008
Location: Ashtabula county, Ohio
Posts: 10,864
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Re: JNM Damp-Pro AnyOne used these yet?
You can achieve the same results cheaper with a mouse pad and some silicone caulking.
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If it ain't broke, and you mess with it long enough, it will be.
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03-02-2010, 02:45 AM
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Super Moderator
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Join Date: Jul 2009
Location: Maine
Posts: 5,625
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Re: JNM Damp-Pro AnyOne used these yet?
Quote:
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JNMDamp-Pro is not a mass loader. It is a constraint layer viscoelastic damper that converts the vibration energy into low level heat. This conservation of energy makes it 300% more efficient than traditional mass loadind tar boards
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o_O ...and then this;
Quote:
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Viscoelastic butyl rubber - 99.4% solid content.
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So essentially, it IS jus' a mouse pad despite alla fancy talk
I sprayed the inside of just the clutch cover w/a coupla coats of rubberized undercoating - cheap, quite effective, and best yet unobtrusive FTW
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03-02-2010, 02:57 AM
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Motorized Bicycle Elite Member
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Join Date: Sep 2009
Location: Texas
Posts: 597
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Re: JNM Damp-Pro AnyOne used these yet?
Troyboy sent me one for my favorite price....FREE! it is chrome on one side so you can put it on the outside of the right side of the case not likely a mouse pad is gonna last in there with all the heat these things generate inside or out of the case covers. I don't know how much these things cost but I like mine.
I put the right half cover on the outside due to clearance issue with the flower nut and stay screw.
I would imagine undercoating is gonna help except for the flower nut clearance thingy it is tight in there.
HAD THIS BEEN AN ACTUAL EMERGENCY.........
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03-02-2010, 03:30 AM
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Super Moderator
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Join Date: Jul 2009
Location: Maine
Posts: 5,625
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Re: JNM Damp-Pro AnyOne used these yet?
Yarp - alla that's tru (cept the heat), and one advantage of that "kit" is ofc not havin' to do anythin' like cutting to fit... mebbe... but in all honesty just about anything ya do would be an improvement - I doubt this (the fancy kit) is any better or worse than any other solution.
I just don't want anything "stuck" to the outside of my engine, as much as I ride - it'd never last.
BTW with the undercoating and the flower nut, that's one advantage of a soft, spray-on coating - coat the inside of the cover as thick as ya like and even if something contacts it, it "wears away" leaving a perfect fit w/o hurting anything, any residue has no effect (doesn't manage to get into the clutch). If yer picky - a lil acetone and a toothbrush will clean up the "smear" on the flower nut.
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03-02-2010, 03:53 AM
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Motorized Bicycle Elite Member
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Join Date: Oct 2009
Location: michigan
Posts: 255
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Re: JNM Damp-Pro AnyOne used these yet?
Quote:
Originally Posted by BarelyAWake
Yarp - alla that's tru (cept the heat), and one advantage of that "kit" is ofc not havin' to do anythin' like cutting to fit... mebbe... but in all honesty just about anything ya do would be an improvement - I doubt this (the fancy kit) is any better or worse than any other solution.
I just don't want anything "stuck" to the outside of my engine, as much as I ride - it'd never last.
BTW with the undercoating and the flower nut, that's one advantage of a soft, spray-on coating - coat the inside of the cover as thick as ya like and even if something contacts it, it "wears away" leaving a perfect fit w/o hurting anything, any residue has no effect (doesn't manage to get into the clutch). If yer picky - a lil acetone and a toothbrush will clean up the "smear" on the flower nut.
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I used the spray on undercoating and i gotta say it is a big improvement. Easy chaep, and you can really put it on thick. Gotta get 3M tho. then i like to spray dupli color truck bed liner on the outside. nice look with the texture very durable, and it says it reduces sound, so i figure reduceing it from both sides is better, seems to be really quiet now.
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03-02-2010, 04:13 AM
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a guy who makes cool bikes
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Join Date: Aug 2009
Location: orange county, ca
Posts: 4,676
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Re: JNM Damp-Pro AnyOne used these yet?
plasti-coat spray paint...
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03-02-2010, 09:04 AM
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Motorized Bicycle Elite Member
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Join Date: Sep 2009
Location: Texas
Posts: 597
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Re: JNM Damp-Pro AnyOne used these yet?
Seems like there's almost always a better way to do most anything...this kit is most likely the best way as it has been formulated to do just this job. I have no clue how much the kit costs it all comes down to how much you want to spend on a $100 kit to enhance some of the cheaper features like the kill switch...I fixed my kill switch real cheap I took it off.
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03-03-2010, 05:00 AM
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Godfather of Motorized Bicycles
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Join Date: Jan 2008
Location: Ashtabula county, Ohio
Posts: 10,864
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Re: JNM Damp-Pro AnyOne used these yet?
My mousepad has lasted two years.
Also, I would like to make a correction...use butyl caulking, instead of silicone if you want a fancy name.
__________________
If it ain't broke, and you mess with it long enough, it will be.
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