At 02:25 PM 9/9/2002 -0400, you wrote: >On Mon, 9 Sep 2002, John Carmack wrote: > > For monoprop use, you can make reasonable arguments for flange-at-top vs > > flange-at-bottom (our early foam engines were flange-at-top), but for > > experimental biprop work, separate cat packs and nozzles makes a lot of > > sense... > >Also for experimental biprop work, it might be worth making an extender >ring (bolts to the cat pack on one end, provides the same flange on the >other end) or two, to experiment with different chamber lengths. If a >longer chamber improves performance, you need to work on more efficient >mixing.
Cooling is an issue there, but making the extension a big hunk of copper for heat-sink operation is probably reasonable. John Carmack _______________________________________________ ERPS-list mailing list [EMAIL PROTECTED] http://lists.erps.org/mailman/listinfo/erps-list
