Although limited in cruising range, the R-boats operating out of Ordnance Island, Bermuda continued their patrols through the Kriegsmarine submarine offensive of early 1942.
Since the Insight runs primarily on gasoline, which has a much higher energy density than batteries, it has a much farther cruising range than any electric car - 600 miles on one full tank.
She was powered by four Seabury boilers with two oil burners to each and two triple expansion steam engines with cruising speed of about 16 knots and range of 3,000 miles at that speed or 6,000 at 12 knots.
However, the requirements placed on the design-high maximum and cruising speeds, long range, heavy armament, and armor sufficient to withstand 15 cm shells, all on a displacement no more than 8,000 metric tons-were deemed impossible by the design staff.
Lots of legs, cruising range, and screens.
The 42-foot Ocean Alexander is classified as a trawler, characterized by a conservative design, extended cruising range, and live-aboard furnishings.
He also computed the aircraft's cruising range, fuel consumption, engine performance, weight and balance, and airworthiness.
Cruising range: 5,500 nautical miles (10,200 km)
The 4135th Strategic Wing, Strategic Air Command, Alert crews at Eglin were placed on airborne alert priority with two Eglin B-52s on 24-hour flights within cruising range of Russia.
Cruising range : 24 days at 7 knots, about 4 000 nautical miles (7400 km).