Tech Talk Step by step instructions to trim your airplane for predictable aerobatic flight. Mode II transmitter stick positions for various aerobatic manouvers. (Excel pdf) For those of you flying Mode I, here is the english translation. (Excel pdf) If any one would like to submit other documents, technical articles, please forward to and I will add them to the page. You don't need to be able to write a web page, just send MS Word docs, MS excel files, plain text or whatever. Some suggested topics we would like to see are, LiPoly battery dos and don'ts, 2 and 4 stroke engine tuning and maintenance, building tips and tricks etc Remember, LSF members that submit web page content get their name entered into a year-end draw for bright, shiny stuff.