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#1
April 26th 07, 10:54 PM
posted to rec.aviation.piloting
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DA 42 accident
Dylan Smith wrote: It's not a question that FADECs will fail - but what will be more failure prone: a manual-everything engine where the pilot can mismanage the engine into quitting, or a FADEC that can lose electrical supply and cause the engine to quit. Not all FADEC's fail with the loss of electrical power. The PRISM system will continue to run without electricity. Matter of fact I'm not aware of any other system that fails with a loss of electrical power. 
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#2
April 27th 07, 03:55 AM
posted to rec.aviation.piloting
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DA 42 accident
On Apr 26, 5:54 pm, Newps wrote:
Not all FADEC's fail with the loss of electrical power. All true FADECs will fail. In a full authority electronic system, no juice = no electronics. The PRISM system will continue to run without electricity. Matter of fact I'm not aware of any other system that fails with a loss of electrical power. That's because PRISM (and ePiC) are not Full Authority systems. Not even close. They're simply electronic aids to timing, fuel flow, etc. They're no more a FADEC than an electronic ignition on a car is. Kev
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#3
April 27th 07, 09:44 AM
posted to rec.aviation.piloting
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DA 42 accident
Newps,
The PRISM system will continue to run without electricity. The not-yet-certified PRISM, as opposed to the certified system in the Thielert? PRISM is not a FADEC. -- Thomas Borchert (EDDH)
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#4
April 27th 07, 03:06 PM
posted to rec.aviation.piloting
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DA 42 accident
"Newps" wrote in message . .. Dylan Smith wrote: It's not a question that FADECs will fail - but what will be more failure prone: a manual-everything engine where the pilot can mismanage the engine into quitting, or a FADEC that can lose electrical supply and cause the engine to quit. Not all FADEC's fail with the loss of electrical power. The PRISM system will continue to run without electricity. Matter of fact I'm not aware of any other system that fails with a loss of electrical power. What ever happened to GAMI's PRISM system?
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#5
April 27th 07, 04:00 PM
posted to rec.aviation.piloting
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DA 42 accident
Matt,
What ever happened to GAMI's PRISM system? It'll be certified rsn... -- Thomas Borchert (EDDH)
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