"Andrei B." wrote: > > Such a small scale air speed sensor is a challenge itself (I think). > This may be one of the easier parts to build. Airspeed measurement is a function of ratio between ram air pressure and static pressure. There are lots of pressure sensors these days. w.. -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body