Hydroplane racing (also known as hydro racing) is a sport involving racing hydroplanes on lakes and rivers. Żnin is a small Town in Poland with a population of 14558 (June 2005 Sport is an Activity that is governed by a set of rules or Customs and often engaged in competitively A hydroplane (or hydro, or thunderboat) is a type of Motorboat used exclusively for racing It is a popular spectator sport in several countries. A spectator sport is a Sport that is characterized by the presence of spectators or watchers at its matches
Limited hydroplane racing uses several size classes to ensure fair competition, similar to boxing weight classes. Boxing (sometimes also known as English boxing or pugilism) is a Combat sport in which two participants generally of similar weight, Within the European Union the U. I. M has governed a wide range of classes from OSY-400 which is a stock racing class, to F-125, F-250, F-350 and F-500. These classes are affordable classes to race in which can achieve speeds of 100MPH.
While still a limited class, the ULs run big block Chevy motors and travel at speeds between 130 and 160 mph. The boats are from 20' up to 26'. The current speed record holder is Greg Hopp, son of Jerry Hopp, with a speed of 166. Unlimited Lights are popular in the northwest US and spreading to places like California and Quebec CA. A race will be added in 2008 in South Dakota.
This has two classes of Engines (G-575),(G-468) both with superchagers. Boats are from 25' 0" up to 28' 0"
Although bit of a misnomer as the boats aren't without limits, unlimited hydroplane has much fewer restrictions than with limited hydroplane racing. The main difference being the size of the engines, as these engines were normally 750ci as opposed to the 500ci engines used in the F-500 class.
Stock Outboard Racing utilizes both hydroplane and runabout or monoplane hulls with racing engines that utilize a service outboard powerhead and a racing lower unit with a direct drive (i. e. start in gear). Racing in this form ranges from classes designated as follows: A Class, B Class, C Class and D Class. There is also a Junior or "J" Class for kids between the ages of 9 and 16 years of age. The engine sizes range from 9. 9 horsepower to 50 horsepower with speeds from 30 miles per hour to 90 miles per hour. In the C Stock Class, the Yamato Motor Company engines used in kyōtei, parimutuel betting in Japan, are reconditioned, shipped to the United States and used for racing in these classes. The, literally " Boat racing " is a Hydroplane racing event primary held in Japan. Parimutuel betting (from the French language: pari mutuel, mutual betting is a betting system in which all bets of a particular type are placed together in a pool The American Power Boat Association (Detroit, Michigan) sanctions approximately fifty stock outboard events per year in the United States. The American Power Boat Association (APBA is a New York non-profit membership owned corporation that was created in 1903 by an act of the New York legislature as a racing association
In the early days of hydroplane racing, accidents, and even the deaths of drivers, were considered somewhat routine. As top speeds increased, more attention was paid to driver safety, much like with auto racing. Auto racing (also known as automobile racing, motor racing or car racing) is a Motorsport involving Racing Cars It Today the U. I. M has introduced safety measures, like carbon Kevlar cockpits, safety belts, and side protection making the boats safer for the driver. Kevlar is the registered Trademark for a light strong para-aramid Synthetic fiber, related to other Aramids such as Nomex and