Mailing List flyrotary@lancaironline.net Message #3855
From: Russell Duffy <13brv3@bellsouth.net>
Subject: RE: [FlyRotary] Re: EWP - series pumps and wacky ideas
Date: Wed, 15 Oct 2003 14:39:47 -0500
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Message

But external events (surging alternator maybe?) could have some impact too, and having the second pump shut off could conceivably help isolate it from faults. Taking the surging alternator case, hypothetically, and assuming a crobwar OV module wasn't installed or is malfunctioning, one could still disable the alternator and then turn on the second pump even if the first was damaged. I prefer the isolation this provides, at the expense of additional pilot workload during an emergency.

Regards,
Chad

That's certainly a valid point, but the fact is that there's no perfect system.  At some point, you just have to decide what you're comfortable with.
 
Cheers,
Rusty (now if I only had a second engine...)

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