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What a terrible day I am having....should have said just TO have an alternator that was not belt driven....Also braking should have been breaking, and raadiator should have been radiator. Spent half the night on road calls fixing trucks and most of today in the hospital (brother had a heart attack). Please excuse my typos. Paul Conner
----- Original Message ----- From: "Paul" <sqpilot@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Tuesday, February 22, 2005 6:17 PM
Subject: [FlyRotary] Re: 2nd battery Re: Amps required to run engine &- hours available
For my personal preferences, just go have an alternator that was not belt driven would be great. I don't like the thought of a belt braking and possibly damaging my raadiator, radiator hoses, oil cooler, oil hoses, spark plug wires, ignition coil wires, firewall mounted control mechanisms, etc. Even if I only had one alternator, but it was not belt driven, I would call that a great improvement. Paul Conner
----- Original Message ----- From: "Mark R Steitle" <mark.steitle@austin.utexas.edu>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Tuesday, February 22, 2005 1:33 PM
Subject: [FlyRotary] Re: 2nd battery Re: Amps required to run engine &- hours available
Bill,
OK, now you've got my interest! A crank mounted alternator could make a
great backup power source. So, why can't we come up with a simple
method of mounting a PM alternator, or 55 amp ND, on the end of the
crankshaft? That shouldn't be too hard to do. (easy for me to say)
I went with the Aero-Electric Z-14 approach (two alts, two batteries).
I rationalize that chances are slim that both alts will quit on the same
flight, unless I break a belt and it takes out the second belt. If I
lose both alternators, then reserve battery power (dual Odyssey 680's)
will be used to get me to a safe landing site. The plan is to replace
the belts at every annual. Biggest worry is engine overheating &
seizing due to loss of water pump. An EWP would fix that.
Mark
I believe they have also done crankshaft pulley alternators.
Bill Jepson
Homepage: http://www.flyrotary.com/
Archive: http://lancaironline.net/lists/flyrotary/List.html
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