On Wed, 5 Mar 2008 20:05:10 -0500, Ivan Galysh wrote: <snip>
Now for doing an uplink to deploy parachutes, maybe as a backup. For safety reasons, he should use an altimeter....I would not rely on a comm link to deploy a parachute. I would do it as a back up in case the altimeter doesn't do its job.
<snip>
Not to mention that it would be darned near impossible to be able to ascertain when apogee occurs with even a medium sized rocket at one mile high - and I know that I wouldn't want to deploy my mains after my rocket has had a thousand or more feet of altitude loss from apogee - instant shred! ---------------------------------------------------------------------- R. Wayne Day N5WD n5wd@charter.net IRLP Node 3997 -> Lake Worth, Texas Fort Worth, Texas USA ----------------------------------------------------------------------