At 10:32 PM 11/18/2002 -0500, Alex Fraser wrote:
Could valve chatter have caused the chugging? There is an upstream pressure change due to acceleration of the fuel. Can you describe the system? Is there a drawing?
It's a ball valve in a straight piece of pipe. Ball valves do not chatter.
-p
Randall Clague wrote:> On Mon, 18 Nov 2002 11:41:33 -0500, Alex Fraser <[EMAIL PROTECTED]> > wrote: > > >Was this rocket testing a constant pressure feed? > > Yep. Worked, too. The acceleration trace, which on KISS II showed a > decline as the tank blew down, shows a flat 5 g. Acceleration should > have increased as the vehicle got lighter, and in a vacuum it would > have; down here, the drag almost exactly offset the mass change. > > -R > > -- > [EMAIL PROTECTED] > "The only time an aircraft has too much fuel on board > is when it is on fire." -Sir Charles Kingsford Smith > _______________________________________________ > ERPS-list mailing list > [EMAIL PROTECTED] > http://lists.erps.org/mailman/listinfo/erps-list -- >>>>>>>>>>>>>>>>----<<<<<<<<<<<<<<<<< ........ Alex Fraser N3DER ......... ......... [EMAIL PROTECTED] ....... [~]_>^</\-[~]_>^</\-[~]_>^</\-[~]_>^< _______________________________________________ ERPS-list mailing list [EMAIL PROTECTED] http://lists.erps.org/mailman/listinfo/erps-list
Mars or Bust! www.marssociety.com _______________________________________________ ERPS-list mailing list [EMAIL PROTECTED] http://lists.erps.org/mailman/listinfo/erps-list
