Fig.2.5.5 Variations in speed of ship of the SA-15 type navigating in drifting ice of different concentration(hummocking 1/5 to2/5)
Fig.2.5.6 Propulsion of ships of the SA-15 type during the navigation under assistance of icebreaker of the Arkika type in the fast ice and vast giant(1), medium and small floes with a concentration of 9/10 from 10/10(2)and 7/10 from 8/10(3)
