Aftermarket regulator update

[rt66john]

To see the first part of this story, see this thread:  http://www.ehforums.com/ehwebsite/forums/index.php?topic=856.0

After ~2000 miles, including 500 or so this weekend in the blazing Midwest heat and humidity, my aftermarket regulator / rectifier appears to be holding up just fine.

I thought you guys would want to know. 

[wytfut]

Wow that's great news......   we may all be converting thru attrition!!     
I really struggled with the tech talk on the original post....    but we still need to rewind our OEM stators? I've heard Dan H. Has been on the hunt with the original vender...

[rt66john]

When I bought the replacement stator from Jamie and Marty, she told me they talked to Dan about stators and a few weeks later a pallet showed up.  I don't know if Dan used the original vendor or found a new one.

We may still need to rewind stators, but I'm hoping the R/R I used will prolong the time between replacements.

[wytfut]

All good news

[2CoolWheels]

Great information, John. Makes you wonder why R/R were originally designed to shunt instead of opening the circuit. What brand of regulator did you used and where did you buy it?

[rt66john]

Either the technology didn't exist when our bikes were designed, or it was cost prohibitive at the time.  In any case, lots of motorcycles run a series type r/r with no issues.

I used a Shindengen SH775BA, purchased used on eBay.  It's the OEM r/r for lots of Polaris Utes.  The Polairs p/n is:  4012941

[franknsr]

Hey John, good news and thanks for sharing. I'll go back and read the original post again. If I can't figure it out I may need to get a couple big steaks on the grill and invite you over. ;-)

[blackheart]

With the concern for adequate ampacity on the Polaris regulator, why hasn't anyone mentioned the compufire 55402 / 403 which is also a 3 phase regulator which does not shunt to ground but is rated at 40 amps & made right here in USA?  Maybe I've misconceived this compufire regulator but that is my understanding.  The 402 variety can be had for $150

[rt66john]

With the concern for adequate ampacity on the Polaris regulator, why hasn't anyone mentioned the compufire 55402 / 403 which is also a 3 phase regulator which does not shunt to ground but is rated at 40 amps & made right here in USA?  Maybe I've misconceived this compufire regulator but that is my understanding.  The 402 variety can be had for $150

I've seen the Compufire mentioned in lots of forums and it seems to be a good unit.  In fact, in the Triumph thread I mentioned in my first post, several guys had used the Compufire with good results.

The Shindegen model I used has the same amp rating as the OEM (35A), so I wasn't concerned about it being undersized for the application.  I also managed to get a used unit for less than half of the cost of a Compufire unit.