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Relocating the reg/rec

Posted: Sun May 15, 2011 8:22 pm
by alexandervf
Hi all,

Recently, my reg/rec went bad, so, i followed the advise most of you suggested in this forum.

Replace it with a R6 one. And i did. I bolted it on the usual spot that we all know and it worked great...but there was a slight problem.

The reg/rec was bigger and it created a big crack on the tail fairing, needless to say that it was overheating because no air could come in and eventually go out.

So i decided to relocate it and i must say that the outcome is nice. The location is under the pillion seat as you will see in the following photos, you can also see the s/s base and how the reg/rec fits finally on the bike

In the following photos you can see the s/s base and how the reg/rec fits on the bike....

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In the next photos you will see two tubes...they will dissipate hot air from the reg/rec compartment...an 8x8cm fan will be installed soon of course...

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There had to be made some small mods on the pillion seat for example and few other places, for the base to fit but they where as i said....small, and very easy to do.

Re: Relocating the reg/rec

Posted: Sun May 15, 2011 9:28 pm
by vfrman
Very nice indeed!

Re: Relocating the reg/rec

Posted: Sun May 15, 2011 10:46 pm
by iDemonix
Wow that looks ace, I'd be willing to buy one!

Re: Relocating the reg/rec

Posted: Sun May 15, 2011 11:43 pm
by Peter.H
very nice!

where does your tool kit go though....? :geek:

Re: Relocating the reg/rec

Posted: Mon May 16, 2011 9:01 am
by alexandervf
@ idemonix

I could make you one but you will have to be a little patient...it takes some time to gather parts and make it.
You must also note that some easy mods have to be made to your bike in order to fit properly.

@ Peter.H

Hmm, i don't carry with me tool set but from what i can tell you until now it doesn't block the tool compartment, i will be more accurate when i finally install the fan and the tail of course.

Re: Relocating the reg/rec

Posted: Mon May 16, 2011 9:03 am
by alexandervf
Thank you all for your positive comments :peace:

Re: Relocating the reg/rec

Posted: Mon May 16, 2011 1:33 pm
by Speedy
Nice engineering thinking you got going there! 8-)
I'm guessing you'll be fitting the fan between the Reg/Rec & the Air Cooling Tubes, so it draws hot air out?
That should make it cool enough for the hot Greek weather! :up:

Re: Relocating the reg/rec

Posted: Mon May 16, 2011 1:35 pm
by geebus
Very nice!
Given me a great thoughts on how to relocate a few things in my wiring loom too.
cheers!

Re: Relocating the reg/rec

Posted: Mon May 16, 2011 2:53 pm
by alexandervf
@ Speedy

Yes i thought about installing the fan this way but the tubes are too small to handle the amount of air an 8cm fan produces. My original thought is to install the fan on top of the heat sink, something like a CPU cooler. Due to the fact that the fan i bought is very fast, (i am guessing) that some kind of pressure will be created, driving the heated air out through the tubes...well mostly :grin:

Thank you for nice comments though.... :smile:

@ geebus

Glad i could be of help, as i was helped in the past. Thanks :!:

Re: Relocating the reg/rec

Posted: Mon May 16, 2011 7:40 pm
by amorti
Nice idea but you are missing a trick. Heat is meant to exit the regulator by means of being transferred through the back into the frame. It's up to you if you want to run it suspended like that with no heatsink nor active cooling but I wouldn't. You must be aware of how hot they get after a few miles at charging revs.

I did a tail conversion to fit an '00 blade tail on a '96 blade a few years ago. As part of that I had to relocate the regulator. I stayed with the original RR as that's what I had to hand, it's the same as the original nc30 unit.

Here's how I did it...

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http://i74.photobucket.com/albums/i264/ ... C00242.jpg

The heatshrink and fan came from an elderly pentium something-or-other. I wish I'd made a note of what, but I didn't and I can't remember. The bottom plate of it was a bit rectangular, which was perfect, something like 40x45mm ISTR.

Method:
clean and degrease the regulator thoroughly. Cover top in silicon, basic bathroom silicon is fine for this. G-Clamp the heatsink onto the regulator. Wipe off any excess silicon. You need zero air between the two faces, so if there is no excess squeezing out, you want more silicon. Once that's dried (couple of hours), take the heatsink back off, clean off any excess silicon, clamp again then use araldite to glue the heatsink to the regulator. This is plenty strong enough. Once that's on, just screw the fan on, take a feed off a switched live (rear brakelight switch) and earth to the frame - and you're laughing.

I screwed it through a nice thick heavy flat bit of aluminium sheet into the main frame. Not really perfect, but with the fan it worked very well. Previously in the original location it would get seriously hot. Like so hot you couldn't touch it. With this mod at the end of a ride you could quite happily hold it as long as you liked, and that's even though I pretty much relocated it into the heat off the engine. The fan held its own and kept working the whole time I had the bike. I'd like to think it's still working but with the big heatsink I'd also like to think everything would still be working either way.