3 ms·
According to http://www.spaceflight101.com/falcon-9-v11.html http://www.spaceflight101.com/falcon-9-v11.html, the first stage has an empty weight of about 20 me
by teraflop 12y ago
According to http://www.spaceflight101.com/falcon-9-v11.html http://www.spaceflight101.com/falcon-9-v11.html, the first stage has an empty weight of about 20 metric tons.