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  #1  
Old 05-17-2021, 01:22 PM
raisbeck raisbeck is offline
 
Join Date: Mar 2013
Location: Laramie, WY
Posts: 29
Default Nippon Denso for 0-360

I'm building a RV8 with a used O+360 A1A.

I've read numerous threads suggesting that the ND alternators are a good replacement for what Vans sells, but there are a lot of ND alternators out there

Which model should I specify when I go to the parts store?

Id like something that basically slots in where a PP or BC would fit. A couple local-6 builders have used the ND with good results, but its been long enough since they built that they don't remember what they used.
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  #2  
Old 05-17-2021, 01:46 PM
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Ironflight Ironflight is offline
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Join Date: Jan 2005
Location: Dayton, NV
Posts: 12,792
Default

Try having your auto parts store search for a Lester 14684 - tat’s the 60 Amp ND that Van’s sold for years....
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RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
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  #3  
Old 05-17-2021, 08:51 PM
cojaken cojaken is offline
 
Join Date: Oct 2005
Location: Tulsa, OK
Posts: 80
Default

Here's an excerpt for a post I made some time ago about replacing an alternator supplied by Vans:

"I decided to buy a re-manufactured alternator from Denso which is the new name for the original manufacturer. These alternators are not made new by them any more. The alternator I believe is the closest replacement is part # 210-0637 http://densoautoparts.com 1987 Suzuki Samurai. I hoped the best quality re-manufacture would come from the original manufacturer.

I did have to file 3mm off the bracket the alternator mounts to, but I believe this was probably due to inaccuracy in the alternator housing casting rather than a different spec.

I ground ran the engine yesterday and flew it today with no overvoltage issues at all. I am not sure if my logic was correct but the result seems to be good."

I have ~100 hours on the replacement alternator now and all looks good
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  #4  
Old 05-18-2021, 10:12 AM
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bhester bhester is offline
 
Join Date: Jan 2005
Location: Hopkinsville, KY
Posts: 1,032
Default

You can read about my alternator replacement last year on my website:
http://www.newtech.com/bobbyhester/2020Flying.htm

Click image for larger version

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N857BH RV7A XP-O360 - Garmin G3X ADS-B IN/OUT 2020 Compliant
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  #5  
Old 05-18-2021, 02:20 PM
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azrv6 azrv6 is offline
 
Join Date: Mar 2006
Posts: 304
Default

I replaced the original ND alternator in my O-360-A1A powered RV6 last year. The original lasted 23 years. Here is what I was able to find:

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This is a 35 amp model. Maybe this will help as a starting point when working with an auto parts store to find one today.

Dave
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RV-6, O-360-A1A, C/S
1932 Monocoupe 110, Warner 145 (http://gobinkley.com)
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  #6  
Old 05-18-2021, 08:11 PM
rwarre rwarre is offline
 
Join Date: Jul 2007
Location: Wray, Co
Posts: 628
Default Have one

I have one to sell very cheap if interested. 40 amp. I couldnít use it when I rebuilt my engine
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  #7  
Old 05-19-2021, 07:31 AM
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RV8iator RV8iator is offline
 
Join Date: Nov 2006
Location: Saint Simons Island , GA
Posts: 1,619
Default Autozone

The numbers at Autozone are
14870 and the cross list as 14824.
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RV 8, N8JL, 3,100+ hours on my 8.

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PIF 2007 - 2022

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  #8  
Old 05-19-2021, 08:49 PM
FireMedic_2009 FireMedic_2009 is offline
 
Join Date: Nov 2016
Location: Tampa, FL
Posts: 235
Default chevy mini alternator 35A to 55A

1-wire are more than 3-wire but you can connect the 3 wire alternator to automatically come ON when you turn ON the master sw or have it's own sw. From what I've heard is it's possible the internal regulator can fail in such a way that you will be unable to shut it down with the switch so it is suggested to use a contactor between the B-lead and the connection to the battery and use an OV protection module/unit to automatically trip the contactor. PerihelionDesign.com and https://bandc.com/product-category/e...m-accessories/

Although over voltage runaway rarely happens, do you want to be that person it happens to and fry $10,000 plus of avionics?

https://www.dbelectrical.com/product...ire-12180.html 35A

https://www.jegs.com/p/JEGS/JEGS-1-W...18993/10002/-1 55A
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  #9  
Old 05-20-2021, 08:42 AM
PilotjohnS PilotjohnS is offline
 
Join Date: Jan 2016
Location: Southwest
Posts: 1,721
Default Baking

In looking at the pictures, it seems to me there is a possibility these alternators are getting baked by "seeing" the exhaust pipes.

I am not going to be using an alternator in this traditional location, but if the rectifier section has a line of sight to any exhaust pipe, the radiant heat must be really high. I am curious if one could fashion a radiant heat shield so that the alternator cannot "see" the exhaust pipes?

When the alternator is new, and the case is fresh and clean, the heat absorbed is probably minor. But if the alternator case gets old and grimy, the heat absorption probably goes up dramatically.
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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.

Dues paid 2021, worth every penny

RV9A- Status:
95% done, 15% left to go
Electrical/Panel 95% done
Firewall Forward 5% in work
Fiberglass 0%, thought i was building in metal?
www.pilotjohnsrv9.blogspot.com

Last edited by PilotjohnS : 05-20-2021 at 08:44 AM.
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  #10  
Old 05-20-2021, 10:32 AM
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Ironflight Ironflight is offline
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Location: Dayton, NV
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Quote:
Originally Posted by PilotjohnS View Post
In looking at the pictures, it seems to me there is a possibility these alternators are getting baked by "seeing" the exhaust pipes.

I am not going to be using an alternator in this traditional location, but if the rectifier section has a line of sight to any exhaust pipe, the radiant heat must be really high. I am curious if one could fashion a radiant heat shield so that the alternator cannot "see" the exhaust pipes?

When the alternator is new, and the case is fresh and clean, the heat absorbed is probably minor. But if the alternator case gets old and grimy, the heat absorption probably goes up dramatically.

Its an interesting thought, and the truth is that it is both easy to put a radiant heat shield on the exhaust (you can buy them at Spruce and other places), but the regulator on the ND alternators has a sheet metal shield over it with an air gap to the regulator as part of the assembly - so maybe the designer thought of that....I donít know.

I do know that I get very long life (well over a thousand hours) with NDís when installed in good alignment, with good hardware, and with a blast tube directed at the regulator. But thatís just my experience.....

Paul
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Editor at Large - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)
http://Ironflight.com
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