Received-SPF: pass
 receiver=logan.com; client-ip=64.102.122.149; envelope-from=echristl@cisco.com
Message-ID: <4213554F.4020609@cisco.com>
Date: Wed, 16 Feb 2005 09:14:39 -0500
From: Ernest Christley <echristl@cisco.com>
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040929
MIME-Version: 1.0
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Fuel System Design - Jet Pump
References: <list-741074@logan.com>
In-Reply-To: <list-741074@logan.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit

Jim Sower wrote:

> <... you'd want two lines.  One from the bottom of B to the jet pump.  
> Another from the mid level of A to the top of B ... A full B empty... 
> B full A empty ... A & B half full ... A & B full ... parked on a hill 
> ... >
> Sounds a lot like a ten-cent tail wagging a forty-dollar dog here.  
> Didn't we set out to *simplify* something?  How about just ONE line 
> from B to A with a Facet pump.  To get fancy, you could have a 
> momentary ON for the pump that would cause it to pump for 2 or 3 min 
> or something and then turn itself off. 
>
> Just trying to stay on message ... Jim S.
>

The simplification is fewer moving parts and less pilot intervention.  
The fuel just magically appears where it needs to be, and the tank 
magically stay balanced.

> PS  Has anyone actually *seen* the two-line-jet-pump and watched it 
> actually WORK ??
> (the devil made me say that )


Well, I expect to see you in church on Sunday then 8*)
Actually, it's even worse for me.  With only one tank, I don't even have 
a dog in this race.  Just a topic that is a lot more interesting than 
BGP router test cases.