> By what I have read it actually has 5 solid state gyros !! It can detect > attitude changes in any direction. Should have been a nice control > program to implement :-) Don't know if Ginger uses any accelerometers, but anyway it's a good opportunity to mention this new method under investigation by the National Institute of Standards and Technology (NIST). The devices promise easier manufacture, lower cost, better reliability and performance. The review I read of the work being carried out was very positive http://mems.nist.gov/Publications/ASME.Nov98.Veljko.pdf -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu