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02-19-2018, 01:06 AM
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Join Date: Jul 2006
Location: near Harrogate, England
Posts: 391
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PlanePower FS1-14B alternator and low voltage light
I am planning to run an FS1-14B as my main alternator in my RV-4 (day VFR only).
When I installed it on my engine I noticed that the lead has the field wire to pin 3, a jumper from pin 3 to pin 2, but unlike any of the belt driven Plane Power alternators I have seen, there is no lead from pin 1 to drive a low voltage light.
Does anyone know if pin 1 will provide this function? I have emailed PlanePower, been redirected to Hartzell, but so far no reply.
Thanks
Chris
__________________
Chris Mitchell
Repeat offender;
RV-8, QB, built, flown 150 hours, sold;
RV-4 - attempted repair, rebuild and remediation - abandoned and junked   ;
RV-4 fuselage and wing kits - both at QB stage;
2015-2018 dues paid!
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02-19-2018, 05:11 AM
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Join Date: May 2005
Location: X35 - Ocala, FL
Posts: 3,679
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Most Plane Power alternators have two wires coming from the unit, a red for field that connects to two pins as you describe, then a white from the third point that offers ground if the alternator fails. Is yours internally regulated?
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Jesse Saint
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02-19-2018, 05:36 AM
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Join Date: Jul 2006
Location: near Harrogate, England
Posts: 391
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Yes, internally regulated. Pin 1, which is where the low volt signal would come from, is empty ie no white wire.
Chris
__________________
Chris Mitchell
Repeat offender;
RV-8, QB, built, flown 150 hours, sold;
RV-4 - attempted repair, rebuild and remediation - abandoned and junked ;
RV-4 fuselage and wing kits - both at QB stage;
2015-2018 dues paid!
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02-19-2018, 10:16 AM
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Join Date: Jun 2012
Location: Reno, NV
Posts: 64
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Yes, it'll drive a fail light - at least my 2014 era model does.
Expect it to be considerably flickery, especially at low RPM. Suggest using an incandescent light or a power resistor in parallel to an LED.
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02-19-2018, 11:12 AM
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Join Date: Jul 2006
Location: near Harrogate, England
Posts: 391
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Great, thank you for the info.
Chris
__________________
Chris Mitchell
Repeat offender;
RV-8, QB, built, flown 150 hours, sold;
RV-4 - attempted repair, rebuild and remediation - abandoned and junked ;
RV-4 fuselage and wing kits - both at QB stage;
2015-2018 dues paid!
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02-19-2018, 11:32 AM
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Join Date: Mar 2014
Location: Granbury, TX
Posts: 267
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Here is link to the parts diagram and schematic from PlanePower/Hartzell. Hope this helps.
https://www.dropbox.com/s/mxjxckbrcf...older.txt?dl=0
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Keith Brown
RV-14A Builder - kit #136
N314KC - First flight Mar 8, 2017, 24th in the air, >600 hrs
XP-400 Aero Sport Power, replaced with Lyc Thunderbolt 390
RV-6A sold
Sport Pilot (weight-shift control) - Airborne XT912
Dues paid 9/2020
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02-20-2018, 12:34 PM
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Join Date: Jul 2006
Location: near Harrogate, England
Posts: 391
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Keith - thanks - but I can't access anything in the Dropbox....?
Thanks
Chris
__________________
Chris Mitchell
Repeat offender;
RV-8, QB, built, flown 150 hours, sold;
RV-4 - attempted repair, rebuild and remediation - abandoned and junked ;
RV-4 fuselage and wing kits - both at QB stage;
2015-2018 dues paid!
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02-20-2018, 12:58 PM
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Join Date: Mar 2014
Location: Granbury, TX
Posts: 267
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__________________
Keith Brown
RV-14A Builder - kit #136
N314KC - First flight Mar 8, 2017, 24th in the air, >600 hrs
XP-400 Aero Sport Power, replaced with Lyc Thunderbolt 390
RV-6A sold
Sport Pilot (weight-shift control) - Airborne XT912
Dues paid 9/2020
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