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  #1  
Old 02-10-2019, 06:41 PM
isosceles isosceles is offline
 
Join Date: Jan 2018
Location: Fremont
Posts: 22
Default B&C regulator repair

I burned my b&c which came with the SD-8 alternator... I'm sure there is $1 chip inside which can be replaced. Does anybody know what they have inside?
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  #2  
Old 02-10-2019, 08:18 PM
PilotjohnS PilotjohnS is offline
 
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Location: Southwest
Posts: 603
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Smoke. Must have let it out.
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WARNING! Information presented in this post is my opinion. All users of info have sole responsibility for determining accuracy or suitability for their use.

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  #3  
Old 02-10-2019, 10:17 PM
deek deek is offline
 
Join Date: Mar 2013
Location: Flathead Lake Montana - 8S1
Posts: 311
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Why not just send it back to Bill's son Nathan, and have them repair it?
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Last edited by deek : 02-10-2019 at 10:20 PM.
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  #4  
Old 02-11-2019, 11:36 AM
Canadian_JOY Canadian_JOY is offline
 
Join Date: Aug 2007
Location: Ontario, Canada
Posts: 1,877
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Quote:
Originally Posted by deek View Post
Why not just send it back to Bill's son Nathan, and have them repair it?
THIS makes the most sense. B&C is a small, family-run business that is dedicated to excellence. Their customer support is even better than their products, and their products are the best in the business, so that's saying something!
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  #5  
Old 02-11-2019, 02:48 PM
rapid_ascent rapid_ascent is offline
 
Join Date: Mar 2008
Location: Dublin, CA
Posts: 941
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Likely either a part has died and/or the board has been damaged. Hard to tell which without taking a look. If the board has been burned (possibly due to a part failure) it should be replaced and only B&C would be able to do that.
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  #6  
Old 02-11-2019, 05:38 PM
Kalibr Kalibr is online now
 
Join Date: Aug 2015
Location: St John, Steamboat Springs, planet Earth generally
Posts: 54
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If you’d like to experiment (this is experimental aviation, isn’t it), search ebay or amazon for yanmar voltage regulaor. Genuine yanmar voltage regulator will be a quality product, most likely compatible with your alternator. Or you can search for a tractor voltage regulator and will get even more results. You will see that these regulators/rectifiers look exactly like what you burnt out and quite a bit less expensive than the B&C offering.
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  #7  
Old 02-11-2019, 08:00 PM
isosceles isosceles is offline
 
Join Date: Jan 2018
Location: Fremont
Posts: 22
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Thanks for the heads up guys. It's just easier to buy a new one ($75) rather than mess around with shipping and repairs. It was a matter of principle to fix it myself In fact, a quality tractor reg can easily exceed the price of the B&C "permannet magnet" regulator
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  #8  
Old 02-12-2019, 08:58 AM
deek deek is offline
 
Join Date: Mar 2013
Location: Flathead Lake Montana - 8S1
Posts: 311
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I guess it depend upon what features of the B&C linear regulator are important to you. In addition to the field-adjustable voltage regulation, the LR-2 and LR-3 also provide instantaneous "crowbar" high voltage overprotection by taking the alternator offline, and lastly provide low voltage monitoring with a visual annunciator. The LR-3 model also employs a battery temperature sensor that shapes the charging curve and voltage taper.

I bought my LR-2 more than 30 years ago when I needed really clean linear regulated power due to the sensitivity of Loran avionics (predecessor of GPS). The LR-2 continues to operate flawlessly, as do the three LR-3 regulators I've installed in my later homebuilts. I have well over 6,000 aggregate hours on my own B&C LR regulators - and never a failure. As noted above, B&C's stellar customer service continues through Nathan Bainbridge in the manner instilled in him by his father Bill.

This is experimental aviation, and I like innovation and saving money as much as the next guy, BUT..when I can retire risk by selecting equipment that might keep me from having a **very bad day** while flying night, IFR, over water.... I'll make the choice every time.
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'83 LongEZ - N888EZ 3,508 hours
'89 LimoEZ - N26EZ 686 hours (sold)
A couple of Glasairs and a Lancair 320...
Next: a RV14 need something to build
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  #9  
Old 02-12-2019, 10:30 PM
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Carlos151 Carlos151 is offline
 
Join Date: Jan 2008
Location: Lebanon, TN
Posts: 119
Default Bad voltage regulator

Had my B&C LR3 voltage regulator die on the way to Oshkosh last year. Nathan helped me field troubleshoot the issue and narrow it down from the alternator to the voltage regulator. Then he had one FedEx’d to Oshkosh so I could swap it out before heading home. All of this well past the warranty period and at zero charge. Needless to say, I highly recommend B&C products. No word on why it failed with only 270 hours, but it was an easy swap out.
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  #10  
Old 02-12-2019, 11:20 PM
rapid_ascent rapid_ascent is offline
 
Join Date: Mar 2008
Location: Dublin, CA
Posts: 941
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Ilya,

Email me if you want me to take a look at it. No assurances. I've never looked at one before, but how complicated can it be?
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Ray Tonks
2018 Donation Paid
RV-7 Fuselage in progress
* Rolled the Fuselage
RV-7 SB Wings
* Both Wings fully skinned
* Fuel Tanks Complete - No leaks finally
* Ailerons Complete
* Flaps Complete
RV-7 Empennage - Complete (a little fiberglass work left)
Vans Training Kit # 2 - Complete
Shop Setup - In Progress (Gathering Tools, Never Complete)
RV-7 Preview Plans
Vans Training Kit #1 - Complete
EAA Sheet Metal Class - Complete
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