Try Weight and Balance Calculator (from Jeff LeTempt or Don Stewart, I can't remember which)
http://www.davemorris.com/dave/dfly-faq.html
I would say a cheap bathroom scale is pretty bad. A badly corroded cheap bathroom scale would be worse.
http://answers.yahoo.com/question/index?qid=20090916144...
We’ve all heard how doing yoga is one of the best practices to adopt when trying to balance your weight, lower your blood pressure and cholesterol, and also to reduce stress. But we’ve also all wondered exactly HOW these 60 minute session...
http://www.metabolism.com/2009/05/07/yoga-works-balance...
Yes, but not very much. The engine subframe is about the same weight as stock, and the engine is only a little heavier than the 4-cylinder. The transmission and rear differential are both heavier than stock, so some of the extra weight is s...
http://www.bossfrog.biz/Miata_V8_Swap.html
If you are doing a lot of practicing, or playing, or are attempting to become proficient on the piano, it is important to understand some basic issues about weight. Too light an action will not enable you to build up finger strength properl...
http://bluebookofpianos.com/bbb.html
Before a new aircraft design is placed into production and made available to the public, certain limits regarding the loading of passengers and cargo are established by the manufacturer and the JAA. These limits determine the maximum gross ...
http://www.kildarehelicopters.com/faq.html#faq9
The aircraft balanced without any need for ballast on both the U.S. Engines 41 cc gasoline and the SuperTigre G4500 nitro, both weighing roughly 4.5 lbs. Smaller, lighter engines require ballast proportionally.
http://www.top-flite.com/faq/faq-topa0415.html