REFLECTOR: Using 28 volt Alternator on 14 volt system

[Ron Brown]

Scott,

My understanding is that the voltage regulator controls the voltage (makes 
sense!)  Since it is rated at 75 amps at 28 volts, power wise it should be 
able to do 150 amps at 14 volts (same power wattage).  Sounds like a hefty 
alternator!

I have seen a 28v alternator on a 14 volt Cessna with a 14 volt regulator. 
Worked fine.

Ronnie



----- Original Message ----- 
From: "Scott Derrick" <scott at tnstaafl.net>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Wednesday, February 15, 2006 11:20 AM
Subject: REFLECTOR: Using 28 volt Alternator on 14 volt system


>I have a 28 volt alternator made for my TSIO520.  75 Amp,  external 
>regulator type.
>
> I have been told it will work fine.
>
> I have been told it will only put out half its rated power.
>
> I have been told it won't work at all.
>
>
> Anybody know what the truth is?  Also if I desired to internally convert 
> it to 14 volt operation, what would be required?
>
> Scott
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