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Fluctuation alternator output fix (using cheap external regu

 
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rv-9a-online(at)telus.net
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PostPosted: Wed Jan 10, 2007 9:53 am    Post subject: Fluctuation alternator output fix (using cheap external regu Reply with quote
After a year of fighting overvoltages (bad master switch) and
fluctuating alternator output (too much voltage drop in field sense
circuit), I finally found a fix.

I'm using the Van's supplied Transpo regulator, which senses the bus
voltage from the same circuit it provides field current, thus exciting
oscillations if there is too much resistance in the circuit.

Rather than repeat the details, I point anyone who's interested to this
link:

http://www.vansairforce.com/community/showthread.php?t=13682&highlight=FLUCTUATING

or the bottom of:

http://www3.telus.net/aviation/flying/RV-9A/photos/Electrical/Electrical_photos.html

I should have used a better regulator from the beginning, but the $5.00
fix now holds the alternator voltage rock solid.

Vern Little
RV-9A

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