REFLECTOR: Weight and Balance

[Andrew Ellzey]

Tom,
 
The full weight and balance procedure is in the Velocity Owners Flight Manual. I am up to Step 6 in the process. All of these steps are necessary to calculate the fuel Arm of my aircraft. I also am taking this opportunity to calibrate my fuel probes. As soon as I finish my weight and balance, I am going to do some more fuel flow testing, where I will use a 55gal plastic barrel that I have to  pump off enough fuel to get to where I need to be before I am ready for flight testing. I also have a lot more taxi testing that I have to do, it will be easy to get rid of some fuel. 6.08 per gal here, this is painfull.
 
Andy


>________________________________
>From: Tom Cacek <hytec45 at aol.com>
>To: ajlz72756 at yahoo.com; reflector at tvbf.org 
>Sent: Saturday, November 17, 2012 1:17 AM
>Subject: Re: REFLECTOR: Weight and Balance
>
>
>Andrew, Sure you want to top it off if you haven't done first flight?  Usually the only time you can't have enough fuel is when your on fire, but first flight is one to.  If you have good numbers with the 15, you could drain it, weigh again, and get a good fuel moment number.
>
>Can't help on your original question as I have a STD.
>-----Original Message-----
>From: Andrew Ellzey <ajlz72756 at yahoo.com>
>To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
>Sent: Fri, Nov 16, 2012 8:40 pm
>Subject: REFLECTOR: Weight and Balance
>
>
>My aircraft is 99% finished including paint and interior. I have added most of the -5 options to my XLRG kit, including the extra carbon fiber buildups on my main gear, cut down keel and rear bench seat. I did most of my weight and balance today. My total empty weight for my XLRG with a Lycoming IO540, 300hp, is 1,902 lbs. This seems heavy for an XLRG-5. I am at the point in my weight and balance that I have just added the 15 gallons of fuel. It was too late to call the fuel truck to top it off with full fuel. I inclosed my strakes so my total fuel capacity should be around 95 gallons, I won't know until I fill her up.
>
>What are others seeing for your empty weight for an XLRG and an XLRG-5? What weight are you using for your gross weight. 
>
>Andrew Ellzey
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