The exhaust velocity would be 17 km/s according to: http://www.projectrho.com/public_html/rocket/enginelist.php#metallichydrogen http://www.projectrho.com/publ

The exhaust velocity would be 17 km/s according to: http://www.projectrho.com/public_html/rocket/enginelist.php#metallichydrogen http://www.projectrho.com/public_html/rocket/enginelist.php#...