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Guy and Jill Foreman wrote:
....just as long as it has its own separate battery backup system.
And how exactly will that help the system survive a few hundred amps of induced current on the power line? How will the battery protect the I/O lines?
People tend to focus on the power inputs, but the real weak underbelly of the EFIS system are the output lines, such as the serial outputs. They have to be low impedance and are not easy to armor
The inputs are a little easier to armor, but if the designers are not fully aware of the issues, the "I am sure this will pass" design may not get very far in actual testing.
Regards,
Hamid
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