Mailing List flyrotary@lancaironline.net Message #4769
From: kevin lane <n3773@comcast.net>
Subject: Re: [FlyRotary] Re: Fuel System
Date: Mon, 15 Dec 2003 16:35:10 -0800
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
if you run the right tank dry, how long does it take the pump to fill the right tank enough to get the engine restarted? isn't there a lot of air involved in the lines?  mine takes but a few seconds because I am switching to a tank with fuel in it.  with my system you get a second chance after the engine coughs for lack of fuel.  the first cough tends to really wake you up and get you thinking. I have 1000hrs on mine so the 240 hr. argument doesn't work :-)  (just joking, not making enemies)
Kevin Lane  Portland, OR
e-mail-> n3773@comcast.net
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----- Original Message -----
Sent: Monday, December 15, 2003 2:47 PM
Subject: [FlyRotary] Re: Fuel System

Joe,
 
This was as simple as I could come up with.  Has worked fine for 240 Hrs.  No selectors to forget.  I have a 3-minute timer on the transfer pump which transfers 1 gal/min, and just punch the button when 3 gal will put me back in lateral trim.  (I also have a panel switch to turn the pump on if needed, but I was always forgetting to turn it OFF when the fuel was balanced.) 
 
I always plan my flying as if I only have what is in the right tank, so if rough terrain approaches, there tends to be more than an equal amount in the right tank.  With this system, you can drain the left tank completely, and then if the engine coughs, you KNOW you have used it all!
 
I only use both pumps for takeoff and landing.  I always cruise on the same one, so the other pump/filter gets very little use.  That becomes my spare if the main pump or filter takes early retirement. 
 
Bill Eslick
 
 ----- Original Message -----
From: "Joseph Berki" <joseph.berki@grc.nasa.gov>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Monday, December 15, 2003 4:20 AM
Subject: [FlyRotary] Fuel System


> I am still looking at different designs for a fuel system. AC has two
> separate tanks. Since we are using two rotors is it possible to split the
> fuel rail into two rails and have one of the returns plumbed to the port
> tank and the other plumbed to the starboard tank? Any problems splitting
> the fuel rail? Just a crazy idea.
>
> Joe Berki
> LimoEZ

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