With solid rockets you have the failure mode where your water deluge pump
breaks, but you can't turn the rocket off.
On Wed, May 11, 2016 at 7:15 PM, Dave McMillan <skyefire@xxxxxxxxxxxx>
wrote:
On 5/11/2016 8:37 PM, Jake Anderson wrote:
Running a $500 pump for a few hours to fill a lump of concrete is a bunch
more reliable and probably cheaper than building a pump to move that same
amount of water in 50 seconds ;->
Gravity *is* pretty fail-safe. :)