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From: <ronmilligan@cox.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] fuel transfer update
Date: Sun, 5 Jun 2005 19:47:12 -0400
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That is good news.

Ron Milligan (Copied Rusty's fuel system but made some changes.  Hope Al doesn't mind :)
RV7 QB Fuse
Aliso Viejo CA

> 
> From: "Russell Duffy" <13brv3@bellsouth.net>
> Date: 2005/06/05 Sun PM 07:39:55 EDT
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Subject: [FlyRotary] fuel transfer update
> 
> Greetings,
>  
> Well, another uneventful flight today.  Temps are still a bit too good, and
> I need to do my 0-10000 ft climb test to see how much more power I can add.
> What?  You didn't think I was just going to reduce the cooling did you :-)
> There were no leaks of anything, (despite a little negative G's in a botched
> roll).  I saw no less than 2000 fpm climb at any altitude up to the max of
> 6500 ft today.  Level at 6500 WOT gave 213 mph on the EM-2, and 200 even on
> the GPS.  This doesn't mean much, but it sounds good.  
>  
> I have a little more understanding perhaps on my fuel transfer issues, and
> there's a possibility that it's really not so bad.  With all the changing of
> thrust angles on the engine, I've had my trim tab screwed up as well, and
> it's been on my non-critical list of things to get around to fixing.  
>  
> Today, I took off with less fuel in the feed tank than what I had in the
> non-feed, just so I could play with the transfer some more.  Initially, it
> seemed like nothing was happening, and I only showed about 5 gallons in the
> feed tank, so I made a turn to head back home.  As I did that, I noticed
> that the levels were all over the place momentarily (it was about a 3 g turn
> <g>).  Once I was straight and level heading toward home, I noticed that the
> ball was quite a bit to the right, so I added some right rudder, and the
> fuel level jumped from about 5 to 11 gallons.  I spend the next few minutes
> yawing the airplane slightly one way, then the other, and found that both
> fuel levels change pretty drastically with just a bit of yaw.  Makes sense
> of course.  I kept the ball centered for the next few minutes, and noticed a
> fairly steady rise in fuel level in the right (feed) tank, and drop in the
> left.  Knowing I had fuel to play with, I went and "played", and actually
> quit worrying about ending up in a field for a while.  
>  
> I'll tape a trim tab back on the plane before I go out again, but I'll make
> sure the ball is centered when checking the fuel level from now on.  
>  
> Cheers,
> Rusty    
> 
>