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A tunnel hull is a type of boat hull that uses two typically planing hulls with a solid centre that traps air. This entrapment then creates aerodynamic lift in addition to the planing (hydrodynamic) lift from the hulls. Many times this is attributed to ground effect. Theoretical research and full-scale testing of tunnel hulls has demonstrated the dramatic contributions of 'close-proximity ground effect' on enhanced aerodynamic lift/drag in operation of performance tunnel hull designs.[1]
Tunnel hulls are distinguishable from other catamarans by the typical close hull spacing and solid deck in between the hulls.
Formula 1 powerboats have a tunnel hull catamaran design allowing them to go faster. Tunnel hulls are a common design in offshore powerboat racing.
^"Secrets of Tunnel Boat Design", JDRussell, P.Eng. (ISBN 1-894933-30-3)
A tunnelhull is a type of boat hull that uses two typically planing hulls with a solid centre that traps air. This entrapment then creates aerodynamic...
inverted vee planing hull invented by Albert Hickman. The Sea Sled is a direct forerunner of the modern high speed catamaran or tunnelhull. The reduced friction...
fiber and kevlar. The tunnelhull design creates aerodynamic lift due to a 'wing' formed by the deck and under surface of the hull. This increases lift...
Cathedral hull design was originated by Naval Architect Richard C. Cole for Thunderbird boats in North Miami, Florida in 1958. Tunnelhull Supercavitation...
Engineering and Banks Power wins the first of five consecutive APBA Endurance TunnelHull national championships. 1976: The "Crucifier", a race boat powered by...
claim to exceed the Coast Guard requirements. Designs Harpoon 6.2 Other Tunnelhull Matthew D. Plunkett (1 September 2017). Unsinkable: The History of Boston...
air-supported waterborne vehicles, analyzed a new kind of race boats, known as 'tunnelhull' race boats. Two planing sponsons act as aerodynamic end plates of the...
performance, and may damage the thruster and the hull around it.[citation needed] Instead of a tunnel thruster, boats from 30 to 80 feet (9 to 24 m) in...
boats, particularly the tunnel vee, according to a USCG study in 2013. Tunnel vee boats, sometimes referred to as tunnelhull boats, are a design in which...
M-20: A 20-foot version of the M-16, with the addition of a backstay, a tunnelhull, twin bilgeboards and rudders, and a spinnaker. Modern boats are built...
"Bascule Bridges, Ennerdale Link Road, Hull". The Architects' Journal. 206: 46. 1997. "New tunnel under River Hull provides east west link". Highways and...
that would build a line to Hull, including a bridge over, and tunnels under, the Humber were being actively promoted by Hull merchants. The situation became...
running since 16 June 1974, when it was won by Kevin Jaques driving a tunnelhull "Pistol Knight" on behalf of the Darwin Power Boat Club. The Mindil Beach...
Engineering and Banks Power wins the first of five consecutive APBA Endurance TunnelHull national championships. 1976: The "Crucifier", a race boat powered by...
The Port of Hull is a port at the confluence of the River Hull and the Humber Estuary in Kingston upon Hull, in the East Riding of Yorkshire, England...
The Copenhagen Tunnel is a set of three parallel railway tunnels carrying the main line tracks out of London's King's Cross terminus under the rising...
warfare, to be hull down means that the upper part of a vessel or vehicle is visible, but the main, lower body (hull) is not; the term hull up means that...
Weedley Tunnel at grid reference SE 935 331 is a disused tunnel on the former Hull and Barnsley Railway. Weedley Tunnel is 132 yards (121 m) long with...
parallel hulls of equal size. The distance between a catamaran's hulls imparts resistance to rolling and overturning. Catamarans typically have less hull volume...
that the vessel had two propellers. Additionally, York had a tunnelhull, and the shallow hull allowed York to travel along the channel between Penticton...
coordinates) This is a list of road, railway, waterway, and other tunnels in the United Kingdom. A tunnel is an underground passageway with no defined minimum length...
that about 8,100 tonnes (dry weight) of cement was transported to the tunnel from Hull. During August 1838, James Wood, the chairman of the Manchester and...
medical tanks to weigh and move animals. The CMCC also has a 26-foot tunnel-hull capture boat, two pick-up trucks and a rescue truck for manatee rescues...
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