Mailing List flyrotary@lancaironline.net Message #32624
From: <ARGOLDMAN@aol.com>
Subject: Re: [FlyRotary] Re: - EWP Power
Date: Tue, 11 Jul 2006 01:02:48 EDT
To: <flyrotary@lancaironline.net>
In a message dated 7/10/2006 11:43:35 AM Central Standard Time, jesse@jessfarr.com writes:
Have any of you ewp folks looked at CSR Performance products stuff? They
tell me they have a high volume pump that fits into some good looking
anodized aluminum housings for big block car stuff that will pump up to 70
gpm and is expected to last for 5500 hours or so; and, they have a remote
that is something like davies-craig that is also expected to last about 5500
hours and pumps around 35 to 37 gpm. They run in the $250 to $300 range,
supposedly use about 5 or 6 amps; and, I would like to learn from someone
else's experimentation, if possible. <g>
jofarr, soddy tn

http://www.csr-performance.com/
I have a potential safety question with using an electric pump, unless the engine is using a magneto.
 
The ignition system runs on battery/alternator power. If it and the FI are run by an ECU, it too needs power. The fuel pumps need electricity. There are other electric hungry mechanism that need power.
 
In an alternator/battery failure (short of having dual alt and batt) to have a water pump sucking 5 or more amps of power, this significantly shortens the available flight time before engine stoppage.
 
If the engine is magnitoed, when the electrons disappear and the pump stops, all that will happen is that the engine will fry---- The result will be the same
 
Rich
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