for example the equipment cost for a 10 kw wind turbine costs roughly $ 40000 while a 100 kw turbine can cost more than $ 350000 according to bergey com the average wind turbine can cost $ 48000 to $ 65000 to install
The boats can typically travel at speeds over 80 knots (150 km/h) in calm waters, over 50 knots (90 km/h) in choppy waters, and maintain 25 knots (47 km/h) in the average five to seven foot (1.5 to 2 m) Caribbean seas. They are heavy enough to cut through higher waves, although at a slower pace.
The current fastest boat is the Spirit of Australia. The water speed record was recorded on October 08, 1978 at Blowering Dam in New South Wales, Australia. Ken Warby set the world record of 317.6 mph (511.1 km/h). Warby designed the hull of his record-breaking boat, Spirit of Australia, himself and built it in his backyard.