A friend of mine gave me a hard copy of a document called "Basic R/C Model Design Parameters". Man this is some interesting data. I'll try to get an electronic copy or scan it if anyone is interested. Is has the design sequence, engine size for wing area, aspect ratio formulas, data on airfoil selection, how to scale everything using fractions, multipliers and percents, Biplane data. It gives ranges for basically the entire model. This is cool. Is this published anywhere else that you know of?

Joe

Is [link=http://webpages.charter.net/rcfu/HelpsHints/ModDgn.html]this[/link] what you are referring to?

Yes that is almost the same thing as what I have. Mine has a section on Biplane Data and other data.