Ultimate Guide To Cargo Operations For Tankers - The Public Inspection page on FederalRegister.gov offers a preview of documents scheduled to appear in the next day's Federal Register issue. The Public Inspection page may also include documents scheduled for later issues, at the request of the issuing agency.. Everything about fundamental spacecraft design revolves around the Tsiolkovsky rocket equation. Δ v = V e * ln[R]. The variables are the velocity change required by the mission (Δ v or delta-V), the propulsion system's exhaust velocity (V e), and the spacecraft's mass ratio (R).Remember the mass ratio is the spacecraft's wet mass (mass fully loaded with propellant) divided by the dry mass. Salties scrapped. 1/11 - The following saltwater vessels have been scrapped with each having made visits to the Great Lakes/Seaway system in their careers. Turid Knutsen (IMO 9039884), a long time visitor to the system, has been scrapped. The vessel held the name Turid Knutsen from 1993 until 2013 and first came inland as such in 1993 and last visited as such in 2009..