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Buell Forum » 1125R Superbike Board » Stator/Voltage Regulator/Charging System subforum » Archive through November 04, 2011 » Compufire 55402 Thermal Images before & after « Previous Next »

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Jules
Posted on Wednesday, August 03, 2011 - 07:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Apologies if this has been posted before, I just happened to find it interesting.

The pics are of an Aprilia but they are obviously similar enough engines to have similar attributes and issues.

I thought this quite readily showed the advantages (my opinion) of a series VR over a shunt on both stator and VR temperatures.





The top two images are with the original shunt VR and the bottom two are with the Compufire.

I believe that both images were taken under the same circumstances (i.e. after a short ride reaching the same operating temp and then left to idle).

I know this is another thread on that dread topic, but this is posted more for info/confirmation of something a number of people had already surmised/known.

It might help someone who is wavering make their mind up about whether to swap out the OEM VR or not..
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Avc8130
Posted on Wednesday, August 03, 2011 - 08:00 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Striking images.

My only concern:
I contacted Compufire directly and they told me specifically that they had NO products appropriate for use on the Buell 1125s.

ac
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Cataract2
Posted on Thursday, August 04, 2011 - 12:58 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm certain they say that because they don't sell it with the connectors.

I will say that I do notice that my Compufire feels cooler than the stock of FH0012 did.
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Dannybuell
Posted on Thursday, August 04, 2011 - 02:18 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Way Cool! Forward Looking Infrared Radar (FLIR) is now in the hands of industry! An eng. friend used to work for them years ago in Oregon. Another friend uses FLIR for HVAC use.

Nice to see some motorcycle usage.
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Guambra2001
Posted on Thursday, August 04, 2011 - 12:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Compufire it is than...
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Finedaddy1
Posted on Thursday, August 04, 2011 - 02:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have 1,000 + miles on my compufire unit, so far I like it, I also have had my stator re-wound by Custom Rewind.
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Kenm123t
Posted on Friday, August 05, 2011 - 08:22 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I ll have use one on a 1125r stock and see the heat path. the hot spot from the wiring goop blocking oil flow should be visible
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Posplayr
Posted on Friday, August 05, 2011 - 12:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

kenm123+ sounds like you have a handle on the stator problems being an oiling issue? Do you have any details? Are there ways to improve the oiling or at least things not to do?
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Jules
Posted on Friday, August 05, 2011 - 12:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I believe he's refering to the strange "gloop" that you find under the stator that appears to serve no purpose other than possibly protecting the insulation from some "unfinished" parts on the casing.

There's a theory that it interferes with oil flow in just the area you don't want that..

If you remove it, don't forget to deburr the casing..
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Dannybuell
Posted on Friday, August 05, 2011 - 01:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

thermal paste?
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