Added heat sink for R+R - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 18 (permalink) Old 07-29-2007, 10:04 PM Thread Starter
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Added heat sink for R+R

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This is the material that I found to make a extra added heat sink for the R+R
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The picture is not great but I drilled holes and bolted said piece to back of R+R on the relocation bracket. This should act like a extra heat sink to help disapate the heat and help keep the R+R cooler. What do you think
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Also used this materiel to make my own floor boards

2004 25,500 miles
Led tail light enhancement
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Headlight modulator
Extra heat sink on R+R
R+R relocation
Homemade driver's backrest
Fused Stator
Mcct conversion-cost 4.50
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post #2 of 18 (permalink) Old 07-29-2007, 10:44 PM
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Looks cool and should work well.

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post #3 of 18 (permalink) Old 07-29-2007, 11:46 PM
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Quite awhile ago I sent some of this material to Hizzo to do the same thing. Don't know if he ever did it or not.



AKA: Tim & 'The Adventure Cycle' VROC #24567, NEVROC, SteelCity VROC


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post #4 of 18 (permalink) Old 07-30-2007, 06:34 PM
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Where can I get this material? and what did you cut it with?

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post #5 of 18 (permalink) Old 07-30-2007, 06:51 PM
 
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Great idea. let us know how it works out.
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post #6 of 18 (permalink) Old 07-30-2007, 08:18 PM
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I guess maybe I'm having a bad day here, but....

why is adding an aluminum plate to the back side of the r/r a better idea than just letting the r/r drop heat to the passing cooler air?........

'05 VN750



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post #7 of 18 (permalink) Old 07-31-2007, 05:56 AM
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Quote:
Originally Posted by theauhawk View Post
I guess maybe I'm having a bad day here, but....

why is adding an aluminum plate to the back side of the r/r a better idea than just letting the r/r drop heat to the passing cooler air?........
Just adding a piece of 'plate' aluminum wouldn't be of much help.
You need cooling fins of some type to help dissipate the heat from the R/R.
There's already fins on one side, so adding some more on the other side will cool it that much better. And it works best if the surface of the R/R and the surface of the finned aluminum material are making as much contact as possible (as in, both pieces being as flat as possible)

Kind of like the fins on the radiator. Ya don't really need them, because you have the tubes filled with coolant that have air going past them, cooling them down, but with the fins, it works much better.

Does that help ya understand the idea any better? Or just make it more confusing? LOL


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post #8 of 18 (permalink) Old 07-31-2007, 12:46 PM
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I think you guys are onto a good idea (sort of). I doubt there's need for any more cooling once the R/R has been relocated, especially since it's away from the exhaust crossover tube.

If I were adding the aluminum extrusion to the back of the R/R, I'd mill the back surface of the R/R flat so that there is as much of the R/R casting in contact with the flat side of the extruded plate as possible. Then I'd slather on some heat conductive silicon grease before bolting the two together.

Good luck and post lots of pictures.

Darrel
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post #9 of 18 (permalink) Old 07-31-2007, 01:46 PM
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Quote:
Originally Posted by theauhawk View Post
I guess maybe I'm having a bad day here, but....

why is adding an aluminum plate to the back side of the r/r a better idea than just letting the r/r drop heat to the passing cooler air?........

A plate itself would do know good. However what they are using with fins acts as a heatshink. Basically why this works better than just passing to the air is because the heatshink "pulls" the heat away from the R/R before it can truely over heat and then the heatshink dissipates it to the air.

Would it work without the heatshink. Yeah sure. But the heatshink will help it last longer, besides it looks kinda cool.
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post #10 of 18 (permalink) Old 08-04-2007, 06:58 PM
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Go to the elecronic store and pick up some dielectric grease. It bridges any noncontact areas and transfers heat. Never used it on a weather exposed area and would be curious how it worked. before washing out. A lot of high power heat sinked transisters use this in addition to a heatsink.

Rckmtn
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