Today's Message Index:
----------------------
1. 09:03 AM - Re: How does the Ducatti rectifier/regulator work? (user9253)
2. 09:33 AM - Re: Re: How does the Ducatti rectifier/regulator work? (Ken Ryan)
3. 10:01 AM - Re: Re: How does the Ducatti rectifier/regulator work? (Bob McCallum)
4. 12:18 PM - Re: How does the Ducatti rectifier/regulator work? (user9253)
Message 1
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| Subject: | Re: How does the Ducatti rectifier/regulator work? |
Using Bob's formula and Gilles webpage info
http://www.aero-hesbaye.be/circuit_elec.htm
5 pair of magnets x 6000 RPM / 60 seconds = 500 Hz maximum
BTW, Gilles' webpage is interesting. It is written in German. Google Chrome translated
it. But much is lost in translation, making some of it difficult to
understand. During the short circuit test, the Rotax dynamo put out 21 amps
without overheating.
The 22,000 microfarad capacitor improves the output waveform, but is it required
by avionics? (Not that I intend to remove mine.)
Joe
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=436360#436360
Message 2
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| Subject: | Re: How does the Ducatti rectifier/regulator work? |
Joe, this comes from the 914 Installation Manual:
"(A capacitor) is necessary to protect the correct function of regulator
and to flatten voltage. The regulator is not designed to store any
electrical charge. If for any reason the battery or bus system is
disconnected from the regulator while the engine is running (i.e. the
master switch is shut off) the capacitor will safely absorb and dissipate
the electrical charge produced by the generator. Otherwise the regulator
would be damaged."
On Sun, Dec 28, 2014 at 8:02 AM, user9253 <fransew@gmail.com> wrote:
>
> Using Bob's formula and Gilles webpage info
> http://www.aero-hesbaye.be/circuit_elec.htm
> 5 pair of magnets x 6000 RPM / 60 seconds = 500 Hz maximum
> BTW, Gilles' webpage is interesting. It is written in German. Google
> Chrome translated it. But much is lost in translation, making some of it
> difficult to understand. During the short circuit test, the Rotax dynamo
> put out 21 amps without overheating.
> The 22,000 microfarad capacitor improves the output waveform, but is it
> required by avionics? (Not that I intend to remove mine.)
> Joe
>
> --------
> Joe Gores
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=436360#436360
>
>
Message 3
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| Subject: | Re: How does the Ducatti rectifier/regulator work? |
Joe;
Don't mean to be contradictory or create any controversy, but Gilles webpage
is in French not German. The dot fr is for France not Germany. If Google was
asked to translate from German that's perhaps how some clarity was lost in
the translation.
Bob McC
> -----Original Message-----
> From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-
> server@matronics.com] On Behalf Of user9253
> Sent: Sunday, December 28, 2014 12:02 PM
> To: aeroelectric-list@matronics.com
> Subject: AeroElectric-List: Re: How does the Ducatti rectifier/regulator
work?
>
>
> Using Bob's formula and Gilles webpage info
> http://www.aero-hesbaye.be/circuit_elec.htm
> 5 pair of magnets x 6000 RPM / 60 seconds = 500 Hz maximum
> BTW, Gilles' webpage is interesting. It is written in German. Google
Chrome translated
> it. But much is lost in translation, making some of it difficult to
understand. During the
> short circuit test, the Rotax dynamo put out 21 amps without overheating.
>
> The 22,000 microfarad capacitor improves the output waveform, but is it
required by
> avionics? (Not that I intend to remove mine.)
> Joe
>
> --------
> Joe Gores
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=436360#436360
>
>
>
>
>
>
>
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> =====================================================
> =====
> _-
> =====================================================
> =====
> _-
> =====================================================
> =====
> _-
> =====================================================
> =====
>
>
Message 4
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| Subject: | Re: How does the Ducatti rectifier/regulator work? |
> Don't mean to be contradictory or create any controversy, but Gilles webpage
is in French not German. The dot fr is for France not Germany.
You are correct Bob McC. Whatever language it is, it is Greek to me. :D
Joe
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=436367#436367
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