A 1962 "Rebel". A wooden speedboat with an outboard engine.
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Powerboats & Motorboats

A motorboat generally speaking is a vessel other than a sailboat or personal watercraft, propelled by an internal combustion engine driving a jet or a propeller. However, the International Regulations for Preventing Collisions at Sea defines it as any vessel propelled by machinery. more...

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Since an oar is an example of a lever, one of the simplest machines, thus, a rowing boat is by definition a motorboat. A speedboat is a small motorboat designed to move quickly, used in races, for pulling water skiers, as patrol boats, and as fast-moving armed attack vessels by the military.

There are three popular variations of powerplants: inboard, inboard/outboard, and outboard. If the engine is installed within the boat, it's called a powerplant; if it's a removable module attached to the boat, it's commonly known as an outboard motor.

An outboard motor is installed on the rear of a boat and contains the internal combustion engine, the gear reduction, and the propeller.

An inboard/outboard contains a hybrid of a powerplant and an outboard, where the internal combustion engine is contained inboard and the gear reduction and propeller are outside.

A purely inboard boat contains everything except a shaft and a propeller inside the vessel. There are two configurations of an inboard, v-drive and direct drive. A direct drive has the powerplant mounted near the middle of the boat with the propeller shaft straight out the back, where a v-drive has the powerplant mounted in the back of the boat facing backwards having the shaft go towards the front of the boat than making a 'V' towards the rear.

Motorboats vary greatly in size and configuration, from the 4-meter, open Boston Whaler type to the luxury mega-yachts capable of crossing an ocean.

History

Although the Screw propellor had been added to an engine (steam engine) as early as the 18th century in Birmingham, England by James Watt, the petrol engine only came about in the later part of the 20th century, at which point Frederick William Lanchester recognised the potential of combining the two components to create the first all British powerboat, tested in Oxford England the powerboat was born.

Read more at Wikipedia.org


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2008 Aloha Pontoon 250 Sd-Sundeck-250 Yahama 4S-Trailer2008 Aloha Pontoon 250 Sd-Sundeck-250 Yahama 4S-Trailer $5,000.00 searay sundancer 370 yacht 1995searay sundancer 370 yacht 1995 $10,000.00
1992 Excel Marine 18Sx 18' Used Bowrider Boat & Trailer1992 Excel Marine 18Sx 18' Used Bowrider Boat & Trailer $20.00 2004 Zodiac F470 Assault Inflatable Boat w/ 55hp Engine2004 Zodiac F470 Assault Inflatable Boat w/ 55hp Engine $18,500.00
Repo Brand New 2006 Caravelle 207 Bowrider 260Hp LoadedRepo Brand New 2006 Caravelle 207 Bowrider 260Hp Loaded $25,995.00 1988 Sea Ray Cuddy Cabin1988 Sea Ray Cuddy Cabin $900.00
2006 alumaweld jet boat2006 alumaweld jet boat $25,000.00 New 2008 Monterey 254Fs with Trailer Merc. 6.2Mpi New 2008 Monterey 254Fs with Trailer Merc. 6.2Mpi $25,000.00
2002 38 Awesome Cat Poker Run Edition - Best Deal in Us2002 38 Awesome Cat Poker Run Edition - Best Deal in Us $119,000.00 87 Chris Craft 21 Walk Around Sport Fish Walk Around 87 Chris Craft 21 Walk Around Sport Fish Walk Around $6,450.00
2003 Godfrey Sweetwater 2423El Pontoon Evinrude 115 Efi2003 Godfrey Sweetwater 2423El Pontoon Evinrude 115 Efi $4,750.00 1975 Taylor Super Jet1975 Taylor Super Jet $500.00
1983 Bayliner Capri 16’ Used Bowrider Boat & Trailer Ga1983 Bayliner Capri 16’ Used Bowrider Boat & Trailer Ga $20.00 Tahoe Deck Boat 192 I/O 2004 by Tracker Marine Tahoe Deck Boat 192 I/O 2004 by Tracker Marine $500.00
New Tahoe 20 Ft Pontoon Boat With 90 Hp MercuryNew Tahoe 20 Ft Pontoon Boat With 90 Hp Mercury $16,999.00 Tahoe Q5Tahoe Q5 $11,000.00
1988 12 Meter Trojan Loaded1988 12 Meter Trojan Loaded $10,000.00 2009 Manitou 22 Osprey 2 Tube2009 Manitou 22 Osprey 2 Tube $12,000.00
1988 Sea Ray 305 Sedan with 2 New Engines1988 Sea Ray 305 Sedan with 2 New Engines $20,000.00 2009 Yamaha Sx210 Jet Boat - Brand New - Free Shipping2009 Yamaha Sx210 Jet Boat - Brand New - Free Shipping $28,999.00
No Reserve! 2002 Chaparral Sunesta 243 Deck Boat L@K!No Reserve! 2002 Chaparral Sunesta 243 Deck Boat L@K! $1,000.00 Wellcraft 32' St. Tropez, Twin 350 Engines, Fresh WaterWellcraft 32' St. Tropez, Twin 350 Engines, Fresh Water $100.00
2004 22i Wakeboard Boat2004 22i Wakeboard Boat $27,000.00  2001 Fountain Fever project 2001 Fountain Fever project $15,000.00
2000 Bayliner Trophy 2509 22’4” Used Boat & Trailer Pa2000 Bayliner Trophy 2509 22’4” Used Boat & Trailer Pa $20.00 32' Monterey 322 Express Cruiser w/Twin Volvo 7.4L I/O32' Monterey 322 Express Cruiser w/Twin Volvo 7.4L I/O $1,000.00
'94 Baja Bandit Ii 24' 502 Efi w/eagle trailer vgc'94 Baja Bandit Ii 24' 502 Efi w/eagle trailer vgc $5,999.99 2009 Sea-Doo Challenger 180 Se 255hp with 4yr warranty2009 Sea-Doo Challenger 180 Se 255hp with 4yr warranty $5,000.00
2003 Rinker Captiva Ss 26' Speed Boat 496 Bank Repo Fl2003 Rinker Captiva Ss 26' Speed Boat 496 Bank Repo Fl $29,000.00 2005 Bayliner 219 22' Ski Boat - No Reserve Exc Cond!2005 Bayliner 219 22' Ski Boat - No Reserve Exc Cond! $10,000.00
2005 Bennington Triple Pontoon2005 Bennington Triple Pontoon $10,000.00 New 2008 Monterey 278Ssx with Trailer Merc. 496mag New 2008 Monterey 278Ssx with Trailer Merc. 496mag $25,000.00
2001 MasterCraft Maristar 210Vrs. Vortec 310 5.7L 310Hp2001 MasterCraft Maristar 210Vrs. Vortec 310 5.7L 310Hp $5,000.00 No Reserve! 2004 Chaparral Sunesta 232 Deck Boat 86HrsNo Reserve! 2004 Chaparral Sunesta 232 Deck Boat 86Hrs $1,000.00
Classic Looking Boat -IndependenceClassic Looking Boat -Independence $55,000.00 87 Rinker 195 Lots Of New Parts Runs Exelent630766428687 Rinker 195 Lots Of New Parts Runs Exelent6307664286 $3,950.00
2007 Malibu Wakesetter 247 Lsv Boat 150 Hrs Must See!2007 Malibu Wakesetter 247 Lsv Boat 150 Hrs Must See! $1,000.00 1962 Correct Craft1962 Correct Craft $4,500.00
130Hp Yamaha 2-Stk 2001, Trailer 1998, Steury 18' 1976130Hp Yamaha 2-Stk 2001, Trailer 1998, Steury 18' 1976 $1,000.00 42 Foot Chris Craft Catalina 426 Motor Yacht42 Foot Chris Craft Catalina 426 Motor Yacht $85,000.00
1998 Gibson 5500 Houseboat1998 Gibson 5500 Houseboat $100,000.00 1989 Rinker 230 Ccr1989 Rinker 230 Ccr $1,500.00
1988 Marlin Jet boat Awesome Boat!1988 Marlin Jet boat Awesome Boat! $0.99 inflatable boat with aluminium floorinflatable boat with aluminium floor $990.00
'99 Bayliner - repossession'99 Bayliner - repossession $100.00 1996 Odyssey Tr-Hull1996 Odyssey Tr-Hull $1,000.00
2005 SunTracker Tri-Toon 190Hp I/O Party Barge Xp3 Rege2005 SunTracker Tri-Toon 190Hp I/O Party Barge Xp3 Rege $10,000.00 1983 19' Searay Seville1983 19' Searay Seville $500.00
2000 Yamaha Xr 1800 310Hp2000 Yamaha Xr 1800 310Hp $8,000.00 1927 65' Motor Yacht - Dual Volvo Diesels - Low Reserve1927 65' Motor Yacht - Dual Volvo Diesels - Low Reserve $500.00
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Prices current as of last update, 11/20/09 5:17pm.

See also...
Cruisers, Powerboats & Motorboats, Boats
Cuddies, Powerboats & Motorboats, Boats
Jet Boats, Powerboats & Motorboats, Boats
Other Powerboats 20-27 feet, Powerboats & Motorboats, Boats
Other Powerboats 28+ feet, Powerboats & Motorboats, Boats
Other Powerboats under 20 feet, Powerboats & Motorboats, Boats
Pontoon / Deck Boats, Powerboats & Motorboats, Boats
Runabouts, Powerboats & Motorboats, Boats
Ski / Wakeboarding Boats, Powerboats & Motorboats, Boats

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