Sylvie Willis
The Luhrs 320 is a fishing boat with a smooth ride and an attractive interior. It has a fuel capacity of 272 gallons, although some sources suggest that the fuel capacity is lower, at 180 gallons, and another source states that the boat has a single 340-gallon fuel tank. The boat has a deep “V” Carolina hull and a 13-foot beam, and it can stay on course in a following sea.
| Characteristics | Values |
|---|---|
| Length | 31' 6" |
| Beam | 13' |
| Draft | 3' 1" |
| Weight | 15,000 lbs |
| Fuel Tank Capacity | 272 gallons or 340 gallons |
| Speed Range | 20-28 knots |
| Hull Type | Deep "V" Carolina hull |
| Engine | 320hp Crusader gas inboards, Yanmar 300hp diesels |
| Engine Cruise Speed | 17-28 knots |
| Fishing Capacity | Accommodates 3-4 people for drift fishing |
| Notable Features | Private master stateroom, large deck, 6 adjustable rod holders, tuna door, large storage box |
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What You'll Learn
The Luhrs 320's fuel tank capacity is 272 gallons
The Luhrs 320 is a 32-foot yacht introduced in 1988 and built on a conventional modified-V hull with a 13-foot beam. It has a weight of 15,000 lbs and a speed range of 20-28 knots. The Luhrs 320's fuel tank capacity is 272 gallons. This is a moderate amount of fuel capacity for a boat of this size, though some users have noted that they would expect a higher fuel capacity for the Luhrs 320.
The performance of the Luhrs 320 is described as neither great nor poor but somewhere in the middle. The boat can achieve a top speed of 29.3 knots with four-blade props. The hull rides at a high angle of attack, which can make it a little slow to get up to an efficient plane. However, considering its vital statistics, the Luhrs 320 should be a fairly efficient fuel burner.
The Luhrs 320 is part of the Tournament series of moderately priced, highly styled fishing boats. It is one of the few 32-foot boats to feature a private master stateroom. The boat's large deck provides ample room for casting and drift fishing for several people, and it can accommodate 3 to 4 people for normal drift fishing days.
The Luhrs 320 is no longer in production, but it enjoyed a long production run and was one of the more popular flybridge boats in its class. For those seeking a similar mix of cruising comfort and fishing capabilities, the Luhrs 35 Convertible is a comparable option.
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The boat's fuel burn rate is 0.9 gallons per mile at 20 knots
The fuel burn rate of a boat is dependent on several factors, including the boat's size, weight, engine type, and RPM (revolutions per minute). For a Luhrs 320 boat, a standard fuel burn rate at 20 knots is 0.9 gallons per mile. This burn rate indicates that the boat is consuming 0.9 gallons of fuel for every mile travelled at a speed of 20 knots.
To understand fuel burn rates, it is essential to consider the concept of miles per gallon (MPG), which is the standard measure for fuel economy. MPG is calculated by dividing the speed in knots by the fuel consumption rate in gallons per hour (GPH). In this case, the Luhrs 320's fuel burn rate of 0.9 gallons per mile at 20 knots can be converted to MPG by finding the gallons per hour consumed at that speed.
Assuming the boat maintains a constant speed of 20 knots, we can calculate the GPH as the fuel burn rate multiplied by the speed:
9 gallons per mile * 20 miles per hour = 18 GPH
Therefore, at 20 knots, the Luhrs 320's fuel consumption is 18 gallons per hour, or 0.9 miles per gallon. This MPG value indicates that for every gallon of fuel burned, the boat travels 0.9 miles.
It's worth noting that fuel burn rates and MPG can vary based on factors such as sea state, load, and engine RPM. For example, a Luhrs 320 owner reported that at 19 to 21 knots, with twin Marine Power 454 engines, the boat burned approximately 30 GPH at 3000 RPM. At 27 knots and 3600 RPM, fuel consumption increased to approximately 38 to 40 GPH.
Additionally, proper maintenance of the boat's engines and systems is crucial for optimal fuel efficiency. Regular cleaning, pressure testing, and servicing of components like heat exchangers, aftercoolers, and water pump impellers can help ensure efficient fuel usage and prevent issues like fuel tank clogging.
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The fuel tank's position impacts speed and efficiency
The fuel tank capacity of the Luhrs 320 is reportedly 180 gallons, although another source states it has a single 340-gallon fuel tank. The position of the fuel tank in a vehicle can impact speed and efficiency. For example, in the Luhrs 320, the single fuel tank is located far aft, which makes it slower to get up to an efficient plane. This is because the hull rides at a high angle of attack, and the trim tabs are less effective at bringing the bow down.
The position of the fuel tank in a car or boat can affect how fuel is delivered to the engine, which in turn impacts speed and efficiency. For example, the Ford Model T had its fuel tank mounted under the front seats, relying on gravity to feed fuel to the engine. When the fuel level was low, going uphill would starve the engine of fuel, and the solution was to reverse up hills. In contrast, modern cars have fuel tanks mounted laterally, which means that driving directly up or down a hill will not affect the fuel tank as much as a car sitting sideways on a hill.
The shape of the fuel tank also plays a role in fuel delivery and efficiency. A rounded bottom on a car's fuel tank helps to keep fuel at the bottom, so the pump can continue to draw fuel towards the engine. Additionally, the intake for the fuel pump is typically located in the deepest part of the tank and is filtered or sponge-encased to ensure that the pump can access the fuel.
In racing cars, G-forces can cause the fuel to slosh around the tank, so multiple pickup points called lift pumps are used to ensure that fuel can always be drawn into the engine. This is similar to the system used in planes, where multiple intakes are positioned in each corner or low spot of the tank, along with a low-pressure system to draw fuel from at least one of the intakes.
Other factors that can impact fuel efficiency include the vehicle's aerodynamics, the use of roof racks or cargo boxes, and proper maintenance such as keeping tires properly inflated, using fuel injector cleaners, and addressing check engine light issues promptly.
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Fuel tank clogging has been an issue
The Luhrs 320 is a robust vessel with a single 340-gallon fuel tank. While it is a sturdy boat, fuel tank clogging has been an issue. Fuel tank issues like clogs can harm performance and, in the worst cases, lead to engine failure.
Fuel injectors can become clogged by carbon buildup. As the combustion chamber burns oxygen and gasoline, carbon builds up on the fuel injectors. Clogged fuel injectors will cause the engine to struggle for power and sputter. It is recommended to have the fuel injectors cleaned every 60,000 miles to remove carbon deposits.
Older fuel lines can also become clogged, which can cause smoke to enter the interior of the boat, indicating that gas is flowing back into the tank and leaking into the engine. Clogged fuel lines will also prevent the engine from starting.
To prevent fuel clogs, it is important to use high-quality fuel and keep the tank full. If the boat is having trouble starting, accelerating, or sputtering and stalling, the fuel system may be clogged.
Fuel tank contamination can occur when rain or condensation enters through the filler neck or vent, usually in warm and humid conditions. Contamination symptoms include engine misfires, reduced performance, clogged fuel filters, and difficulty starting the engine. To prevent contamination, keep the tank sealed and add a fuel stabilizer during long storage.
Regular maintenance is key to preventing fuel tank clogs. This includes inspecting the tank, replacing parts when necessary, and storing the tank properly. It is also important to regularly replace the fuel filter and clean the fuel system.
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$47.28 $69.24
Fuel capacity is a consideration for serious fishermen
For serious fishermen, fuel capacity is an important consideration. The size of the fuel tank will determine how far you can travel and for how long, which can impact the success of your fishing trip. A boat with a larger fuel tank can provide a greater range, allowing you to explore a wider area and access more fishing grounds. This can increase your chances of finding the best fishing spots and improve your overall fishing experience.
In the case of the Luhrs 320, there are varying figures for its fuel capacity. One source mentions a fuel capacity of 272 gallons, while another states that the boat has a single 340-gallon fuel tank. A third source mentions a lower figure of around 180 gallons, which they feel is on the lower side. The fuel capacity of the Luhrs 320 can impact its range and performance, and it is something that serious fishermen should consider when choosing this boat.
The Luhrs 320 is a moderately priced, highly styled fishing boat that was first introduced in 1988. It has a deep "V" Carolina hull and a 13-foot beam, providing a stable platform for fishing. While it offers a good mix of cruising comfort and fishing capabilities, some fishermen may find the cockpit size and range offered by the 320 to be inadequate for their needs.
The fuel burn rate of the Luhrs 320 will also influence how far you can travel on a single tank of fuel. The burn rate can vary depending on factors such as engine type and cruising speed. For example, standard 320hp Crusader gas inboards can cruise at 17-18 knots, while Yanmar 300hp diesels can achieve speeds in the low 20s. At a cruising speed of around 20-28 knots, the boat's fuel capacity of 272 gallons should provide a reasonable range, although this will depend on various factors, including sea conditions and engine efficiency.
In summary, fuel capacity is indeed a crucial factor for serious fishermen to consider when choosing a boat like the Luhrs 320. The range and performance offered by the boat's fuel capacity and burn rate can impact the overall fishing experience and the ability to access desirable fishing locations. Therefore, it is essential for fishermen to carefully evaluate the fuel-related specifications of the Luhrs 320 or any other boat they are considering for their fishing ventures.
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Frequently asked questions
The fuel capacity of the Luhrs 320 is stated to be 272 gallons. However, some sources state that the fuel capacity is 340 gallons, while others state it to be 180 gallons.
The speed range of the Luhrs 320 is 20-28 knots.
The weight of the Luhrs 320 is 15,000 lbs.
