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  #11  
Old 08-08-2020, 01:58 PM
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az_gila az_gila is offline
 
Join Date: Jan 2005
Location: 57AZ - NW Tucson area
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Quote:
Originally Posted by Pat Hatch View Post
Chris, the Spruce part number is 07-17968, $80.75.
Or in local currency... https://www.lasaero.com/parts/?search_part=07-17968
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Gil Alexander
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  #12  
Old 08-08-2020, 02:03 PM
chris mitchell chris mitchell is offline
 
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Location: near Harrogate, England
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Quote:
Originally Posted by Pat Hatch View Post
Chris, the Spruce part number is 07-17968, $80.75.
Thank you Pat!

Chris
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  #13  
Old 08-08-2020, 10:18 PM
airtractor8 airtractor8 is offline
 
Join Date: Mar 2006
Location: Dardanup. Western Australia
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This RV builder has some very detailed info and pics on the inner workings of both Plane Power and B&C alternators. https://www.myrv10.com/N104CD/mainte...cts/index.html
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  #14  
Old 08-09-2020, 06:38 AM
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DanH DanH is offline
 
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Quote:
Originally Posted by airtractor8 View Post
This RV builder has some very detailed info and pics on the inner workings of both Plane Power and B&C alternators. https://www.myrv10.com/N104CD/mainte...cts/index.html
"We uniquely modify each alternator..."

Sheesh. Talk about seeing how the sausage is made. Were the previous generation B&C alternators also internally hacked like that?
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  #15  
Old 08-09-2020, 06:58 AM
74-07 74-07 is offline
 
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Location: Greenville, SC
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Yes and I believe that Bob Nuckolls wrote about this modification. If I remember correctly, that modification creates the overvoltage protection that is internal in the Plane Power alternator. It's the reason I asked if the ACS regulator has the modification. Hope it does as I've got a bad one on my shelf that I'd love to get fixed and Plane Power said parts were not available.
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  #16  
Old 08-09-2020, 07:23 AM
74-07 74-07 is offline
 
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Location: Greenville, SC
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Can someone please confirm that the regulator from ACS DOES have the Plane Power modification? Perhaps, since some carry the ACS part as a spare, a photo of the part? Just seems very strange to me that PP would tell me that the parts nor any overhaul was available and that a very well known (locally) overhaul facility also told me the parts were not available after searching for a couple of weeks.

Last edited by 74-07 : 08-09-2020 at 07:30 AM.
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  #17  
Old 08-09-2020, 10:06 AM
tsneidin tsneidin is offline
 
Join Date: Jul 2005
Posts: 118
Default What voltage should I seeing on my efis

I have the plane power 60amp internally regulated alternator from around 2009. I highest volatage I see is 13.2 on the efis with master on/avionics. I see 14.2 if I switch on the E-buss. Is this normal?
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  #18  
Old 08-09-2020, 11:09 AM
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Lenny Iszak Lenny Iszak is offline
 
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Location: Palm City, FL
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Todd,

Yes, it's normal. Your efis is likely fed through the ebus diode, which creates a voltage drop. Once you turn on your ebus switch it sees bus voltage.

You can improve the voltage drop by using a Schottky diode on the ebus.

Lenny


Quote:
Originally Posted by tsneidin View Post
I have the plane power 60amp internally regulated alternator from around 2009. I highest volatage I see is 13.2 on the efis with master on/avionics. I see 14.2 if I switch on the E-buss. Is this normal?
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  #19  
Old 08-09-2020, 11:14 AM
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Lenny Iszak Lenny Iszak is offline
 
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Location: Palm City, FL
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The regulator sold by Spruce is the same thing as the original. It's also a Hartzell part number. I replaced mine with one from Spruce. Looks exactly the same with the wire included. They give you the whole assembly with brushes and everything.

Lenny

Quote:
Originally Posted by 74-07 View Post
Can someone please confirm that the regulator from ACS DOES have the Plane Power modification? Perhaps, since some carry the ACS part as a spare, a photo of the part? Just seems very strange to me that PP would tell me that the parts nor any overhaul was available and that a very well known (locally) overhaul facility also told me the parts were not available after searching for a couple of weeks.
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2014 RV-10, N311LZ - 650 hrs
OnSpeed development team
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  #20  
Old 08-09-2020, 11:20 AM
74-07 74-07 is offline
 
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Location: Greenville, SC
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Thank you.
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