At 11:19 PM 9/18/2002 -0700, you wrote: >On Wed, 18 Sep 2002 10:26:51 -0700, Bill Clawson ><[EMAIL PROTECTED]> wrote: > > >The third option (which is what we're pursuing) is to convert our PC104's 4 > >on-board DAC outputs to PWM signals through the use of a NE555 (rigged as a > >sawtooth waveform generator) and a bank of comparators. The output of the > >comparators is then fed into a bank of enhancement mode monster FETs (for > >lack of a better word) which drive the motors. > >The discussion about Gizmocopter and latency has me thinking about >Gizmocopter in terms of its fundamental mission: development of flight >control systems to be used in POGO, ReSOAR, PROTO, and whatever >intermediate vehicles we develop. Is Gizmocopter going to be respond >enough like a rocket powered VTVL to be useful as a GNC prototype? > >-R
Not directly, but you will still learn a lot by actually getting it flying. With four rotating blades, it is going to have a lot of gyroscopic stability, so it won't be nearly as twitchy as a pure rocket vehicle. John Carmack _______________________________________________ ERPS-list mailing list [EMAIL PROTECTED] http://lists.erps.org/mailman/listinfo/erps-list
