Amanda Knapp
Jet sprint boat racing is a high-speed water motorsport that originated in New Zealand in 1981. The sport involves a team of two riders, a driver and a navigator, racing through a course in a time-trial format. The boats used in jet sprint racing are typically short in length, with a hull that is 3.8 to 4.0 metres long, and have a capacity of over 500 hp. The short hull allows for quicker turns at high speeds, and the strakes on each side of the hull provide traction to prevent the boat from sliding sideways when turning.
| Characteristics | Values |
|---|---|
| Hull length | 3.8 to 4.0 metres (12½ to 13 feet) |
| Hull vee | 23 to 25 degrees |
| Number of strakes | Several on each side |
| Crew | Driver and navigator |
| Course | Twisting, narrow channels |
| Water depth | Less than 4 feet |
| Course turns | 25 to 30 in both directions |
| Engine capacity | Over 500 hp |
| Speed | 90 mph on a straightaway |
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What You'll Learn
- Jet sprint hulls are short, usually 3.8 to 4.0 metres long, with a vee of 23 to 25 degrees
- The sport originated in New Zealand in 1981 and is now raced on artificial tracks
- A crew consists of a driver and a navigator, who guides the driver through the course via hand signals
- The jetboats used usually have a capacity of over 500 hp
- The boats can reach 90 mph on a straightaway and can handle up to 7 Gs through a corner
Jet sprint hulls are short, usually 3.8 to 4.0 metres long, with a vee of 23 to 25 degrees
The sport of jet sprint racing, also known as sprint boat racing, originated in New Zealand in 1981 and events were originally held in rivers. It is a high-speed boat racing sport in which a team of two riders, a driver and a navigator, race through a course by themselves in a time-trial format. The navigator's responsibility is to guide the driver through the course, typically via simple hand signals, pointing in the direction that the boat must go at the next intersection. The jetboats used usually have a capacity of over 500 hp, and one round around the course takes about 45 to 60 seconds.
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The sport originated in New Zealand in 1981 and is now raced on artificial tracks
The sport of jet sprint boat racing, also known as sprint boat racing, originated in New Zealand in 1981. It is a high-speed boat racing sport in which a team of two riders race through a course in a time-trial format. The crew consists of a driver and a navigator, who must memorise the course and guide the driver through it, typically via hand signals. The navigator must point the driver in the right direction at each intersection.
The boats used in jet sprint racing are typically short, with a hull of 3.8 to 4.0 metres (12½ to 13 feet) long. The hull's vee is usually 23 to 25 degrees with several strakes on each side. The strakes provide 'traction' by stopping the boat from sliding sideways across the water when turning at high speed.
The sport was originally held on rivers, but it later became popular when artificial courses were used in Australia. Now, all jetsprint competitions take place on artificial tracks. Typical race courses consist of about 25 to 30 turns in both directions, in depths of no more than one metre. The jetboats used usually have a capacity of over 500 hp, and one round around the course takes about 45 to 60 seconds.
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A crew consists of a driver and a navigator, who guides the driver through the course via hand signals
A jet sprint boat crew consists of a driver and a navigator. The navigator's role is to guide the driver through the course via hand signals, pointing in the direction that the boat must go at the next intersection. The navigator must memorise the course, which is typically made up of 25 to 30 turns in both directions, and ensure the driver follows the correct sequence. This is particularly important as the boats are capable of 90 mph on a straight and can handle up to 7 Gs through a corner. The navigator's hand signals help to ensure the driver doesn't take a turn too wide or too tight, which could result in the boat ending up on land due to the narrow course.
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The jetboats used usually have a capacity of over 500 hp
Jet sprint boats are used for a high-speed boat racing sport that originated in New Zealand in 1981. The boats are jet-propelled and can reach speeds of up to 90 mph on a straightaway, and 7 Gs through a corner. The hulls of jet sprint boats are typically short, measuring between 3.8 and 4.0 metres (12½ to 13 feet) long. This is because a longer hull would take more distance to turn and would usually have to be turned at a slower speed. The hulls have a vee shape, usually set at 23 to 25 degrees, with several strakes on each side. The strakes provide 'traction' by stopping the boat from sliding sideways across the water when turning at high speed.
The jetboats used in jet sprint racing usually have a capacity of way over 500 hp. One round of a typical course takes about 45 to 60 seconds. The sport is considered the most extreme form of water motorsport in the world. Each jet sprint boat has a crew of two: a driver and a navigator. The navigator guides the driver through the course, usually via simple hand signals, pointing in the direction that the boat must go at the next intersection. The driver and navigator must memorise the 'rotation', or sequence of turns that must be executed in the correct order. The rotation is different for each day of racing and is issued to teams the night before each race.
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The boats can reach 90 mph on a straightaway and can handle up to 7 Gs through a corner
Jet sprint boats are typically 3.8 to 4.0 metres long and have a hull vee of 23 to 25 degrees. A short hull is preferred as it allows the boat to turn more sharply and at higher speeds. The strakes on the side of the hull provide "traction" by stopping the boat from sliding sideways when turning at high speed. The boats are navigated by a two-person team, consisting of a driver and a navigator. The navigator guides the driver through the course using hand signals, pointing in the direction that the boat must go at the next intersection.
The sport of jet sprint racing originated in New Zealand in 1981 and later became popular in Australia when artificial courses were introduced. Competitions now only take place on artificial tracks, with courses consisting of about 25 to 30 turns in both directions, in depths of no more than 1 metre. The jetboats used typically have a capacity of over 500 hp, and one round of the course takes about 45 to 60 seconds.
The boats are capable of reaching extremely high speeds, with a top speed of 90 mph on a straightaway. They can also handle up to 7 Gs through a corner, allowing them to rip through 90-degree corners at 60 mph. This makes jet sprint racing one of the most extreme forms of water motorsport in the world. The combination of high speeds and sharp turns requires both a skilled driver and a navigator to successfully manoeuvre the boat through the course.
To prepare for the race, teams are issued the course map the night before. The turns are numbered and must be memorised by the driver and navigator, as they work together to execute the correct sequence of turns. The navigator uses hand signals to keep the driver on course, and if a turn is taken too wide or too tight, the boat may end up on land due to the narrow channels.
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Frequently asked questions
Two people are in a jet sprint boat: a driver and a navigator.
A jet sprint boat is usually between 3.8 and 4 metres long.
Jet sprint boats can go up to 90 mph on a straightaway and can handle up to 7 Gs through a corner.
Jet sprint courses consist of about 25 to 30 turns in both directions, in depths of less than 1 metre.
