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VE3LVO(at)rac.ca
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 Posted: Thu Apr 26, 2007 5:28 pm Post subject: Ducati inverter-regulator |
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Hi
I've read of several failures in the list, and a local buddy admits to using
his third, so I builkt an 8inch NACA duct to lead outside air right onto its
ugly face.
Do you suppose that'll keep it intact [provided I don't ask more than about
20 amps from it in cruise]?
Ferg Kyle
Europa A064 914 Classic
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nwcmc(at)tiscali.co.uk
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| Posted: Thu Apr 26, 2007 10:48 pm Post subject: Ducati inverter-regulator |
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The recommendation for long life reliability is to keep the continuous
load to a maximum of 11 amps. Even with a fairly comprehensive panel I
find that with the low current draw of modern avionics this is not a
problem. However the load certainly increases rapidly if you include
lighting other than strobes. The amount of cooling you will be adding
may well make the difference but you may wish to check whether you
really need a 20A capability in the cruise. Even a NACA duct adds
significant drag.
Nigel Charles
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rparigor(at)suffolk.lib.n
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| Posted: Fri Apr 27, 2007 4:54 am Post subject: Ducati inverter-regulator |
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Hello Ferg
Think you got it half right. That is in your quest to not ask more than 20
amps the 2 is correct, but the zero is not. If you give the Ducati good
cooling and don't ask more than 12 amps continuous, you will probably get
OK service. According to Lockwood, if you ask more than 12 amps for a
period of time it will fail the regulator. If you keep on asking more than
12 amps and keep on changing the regulators, then the windings in the
generator fail.
Ron Parigoris
On Thu, Apr 26, 2007, Fergus Kyle <VE3LVO(at)rac.ca> said:
| Quote: |
Hi
I've read of several failures in the list, and a local buddy admits to using
his third, so I builkt an 8inch NACA duct to lead outside air right onto its
ugly face.
Do you suppose that'll keep it intact [provided I don't ask more than about
20 amps from it in cruise]?
Ferg Kyle
Europa A064 914 Classic
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http://www.matronics.com/Navigator?Europa-List |
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