Elon Musk offers suggestions for the "Boat Mode" of the Cybertruck.

 According to Musk, the Cybertruck's planned "Boat Mode" might work. The idea of a Cybertruck sounds feasible because of Musk's suggestions. According to RGV Aerial Photography, it would take about 25 minutes to travel through the channel from Starbase to South Padre Island. If the Cybertruck crosses the channel at an estimated speed of about 10 knots. Musk said that an electric propeller mounted on the Cybertruck's tow hitch would allow the all-electric pickup to move faster than a few knots. A novel hub design could help the Cybertruck generate some thrust in the water.

It would take an electric propeller mounted on the tow hitch to go faster than a few knots. Musk wrote that there might be a creative wheel hub design. Musk's ideas for the Cybertruck's "Boat Mode" may seem quite simple, but they would likely involve quite a lot of work on the part ofTesla. The Cybertruck is bound to be a heavy vehicle, so designing a propeller that can be mounted on the tow hitch that can push the vehicle on water would likely be a challenge. The same applies to wheel hub designs that can generate thrust. When it was announced that the Cybertruck would be able to cross the channel from Starbase to San Padre Island, many were skeptical. The channel the vehicle would have to cross is only 477 meters. 

The Cybertruck needs to be waterproof enough so that it can serve as a boat. The Washington State Department of Natural Resources has warned about Musk's statements about the Cybertruck. The Cybertruck should not be used as a boat, according to the Washington State Department of Natural Resources.