This new e-flight calculator has a choice (switch) between German and English language:
http://www.elektromodellflug.de
-> datenbank
-> antriebsrechner

More info on the usage of the calculator (and default download of English version):
http://www.badcock.net/motorcalc/
Example:
http://goldeneye.ethz.ch/motoren/ele...light/index_EN

Download the zipfile, run the spreadsheet and select your language using the buttons in the upperrighthand corner.


If you want to translate the other articles/items on said site, you can use e.g. http://translate.google.com/translate_t