REFLECTOR: W&B arm for fuel tanks for STD aircraft

[Scott Derrick]

Hiroo,

I have a Std RG, with an average Fuel arm of 123.7

I don't understand why you can't remove the fuel from your aircraft and 
then pour it in to the fuel tanks 5 gallons per side at a time though?

Scott


Hiroo Umeno wrote:
>
> We weighed the plane yesterday and now getting around to computing the 
> W&B computations.
>
>  
>
> While we pretty much followed the excellent spreadsheet I downloaded, 
> there was one thing we could not do.  Since we do not have a way of 
> fueling and de-fueling the plane easily, we cannot compute the arm for 
> the fuel tanks using the methods outlined in the spreadsheet.
>
>  
>
> Since our plane is pretty much in stock configuration, with the tank 
> size and location per plan, the CG for the fuel tank should be in a 
> known location.  Does anyone have the arm number for the fuel tanks 
> for STD fuselage, STD wing aircraft?
>
>  
>
> Also, what is the gross weight of standard wing aircraft?  The 
> Velocity web site has 2300lb as the suggested gross.  I have seen 
> others quote 2400.  What is the generally accepted number for standard 
> wing plane with Franklin?
>
>  
>
> Incidentally, my plane tipped the scale at 1423lb.  A bit on the heavy 
> side compared to 1300lb factory quotes.
>
>  
>
> Hiroo
>
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