Ameer Randolph
The size of the fuel tank required for a 30cc gas engine depends on the type of plane and the desired flight time. For example, a 30cc engine in a Gee Bee Y plane may require a smaller tank than a Cub or Waco plane. Other factors to consider include the location of the ignition and the weight distribution of the plane. Users of 30cc engines have reported success with fuel tanks ranging from 12 ounces to 32 ounces, with flight times ranging from 8 to 15 minutes. It is recommended to consider the engine's fuel consumption rate, which is approximately one ounce per minute at full throttle, when determining the appropriate fuel tank size.
| Characteristics | Values |
|---|---|
| Engine type | VVRC 30cc Twin Cylinder Gas Engine |
| Piston displacement | 30cc (1.83 cu in) |
| Bore x Stroke | 1.26 in (32mm) x 0.77 in (19.6mm) |
| Carburetor | Genuine Walbro Ignition |
| Power supply | 6-8.4V |
| Maximum output | 3.7HP / 7500rmp |
| Fuel | Gasoline, 2-cycle air-cooled oil, ignition battery & propeller |
| Fuel mixture | 87% unleaded gasoline, 2-cycle engine oil (40:1 ratio) |
| Propellers | 18x8, 18x10, 19x8 & 20x8 |
| Fuel tank size | 16-20oz |
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What You'll Learn
RCGF 30CC Twin Stinger Gas Engine
The RCGF 30CC Twin Stinger Gas Engine is a small-sized, powerful twin-cylinder engine. It is a good choice for those looking for convenience and power in a compact package. The engine boasts a smooth operation and strong power, delivering an impressive flying experience.
The RCGF 30CC engine features a new design that prioritises performance and efficiency. Its compact size belies its power, making it an attractive option for those seeking a powerful yet small engine. The engine's glow size offers both economy and performance, with a smooth operation that sets it apart from other engines in its class.
The engine package includes everything you need to get started, such as electronic CDI ignition, a muffler, spark plug, gaskets, bolts, throttle arm extension, and a manual. The total weight of the package is 2.53 pounds, making it a lightweight yet powerful option.
When it comes to fuel tank size for the RCGF 30CC engine, there are a few things to consider. The fuel tank size will depend on the desired flight time and the engine's fuel consumption rate. According to some users, the engine burns about an ounce of fuel per minute at full throttle. For a 15-minute flight, a larger tank may be required, while for shorter flights, a smaller tank can suffice. It's important to consider the available space in your plane and the engine's fuel efficiency to determine the optimal fuel tank size.
The RCGF 30CC Twin Stinger Gas Engine is an impressive choice for those seeking a powerful and compact engine. With its smooth operation, strong power, and convenient design, it offers an excellent flying experience. The engine's performance and efficiency make it a popular option for enthusiasts, and its compact size allows for a more scale appearance in aircraft models.
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DLE-30 engine
The DLE-30 is a 30cc RC model engine. It has an output power of 3.7 HP at 8,500 RPM, with an idle speed of 1,600 RPM. The RPM range is 1,600-8,500, and it has a static thrust of 8.5kg at 100 meters altitude, and 7.5kg at 1,800 meters altitude. The displacement is 30.5cc, with a bore of 36mm and a stroke of 30mm. The compression ratio is 7.6:1, and the crankshaft thread is 5mm. The engine weighs 910g, with a muffler adding 60g and an ignition module weighing 120g. The recommended gasoline-oil mixture is 30:1, with an octane rating of 87. Recommended propellers are 18x8 for break-in, 18x10, 19x8, and 20x8. The ignition has three wires: the red plug connects to the battery, the plug with black oil on the surface connects to the sensor, and the other connects to a rated tachometer.
When considering fuel tank size, it is important to note that the engine burns about an ounce a minute at full throttle. Users have reported varying fuel tank sizes for the DLE-30 engine, with some opting for a 16oz tank, while others have used 20oz, 24oz, or even 32oz tanks. The choice of fuel tank size depends on factors such as desired flight time, plane size, and weight. It is recommended to refer to the operator's manual and seek advice from experienced users to determine the appropriate fuel tank size for a specific application.
The DLE-30 engine is not a toy, and it is important to read the operator's manual carefully before starting. During the break-in period, it is recommended to install the engine on an aircraft or a test stand with an appropriate shock absorber to prevent potential damage from vibrations. It is also crucial to follow safety precautions, such as not standing in front of or in line with the propeller when the engine is running.
Some users have noted that the DLE-30 engine has impressive performance, with a surprisingly low idle and a snappy throttle response. The engine has also been praised for its quiet operation compared to single-cylinder engines of similar size. It is recommended to check the factory needle settings before use and make adjustments as needed during the break-in period.
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VVRC 30cc Twin Cylinder Gas Engine
The VVRC 30cc Twin Cylinder Gas Engine is a powerful and reliable engine that has been designed to fit most 30cc airplanes. With a piston displacement of 30cc (1.83 cu in) and a bore x stroke of 1.26 in (32mm) x 0.77 in (19.6mm), this engine delivers a maximum output of 3.7HP / 7500rpm. The package includes a range of essential components, such as an electronic CDI ignition, muffler, spark plug, gaskets, bolts, throttle arm extension, and a manual.
One notable feature of this engine is its impressive throttle response, which users have described as "snappy" and "very good with no hesitation in any rpm range". The engine is also quieter than a single cylinder engine of the same size. In terms of fuel, the VVRC 30cc engine requires gasoline, 2-cycle air-cooled oil, and ignition battery. The recommended fuel mixture is 87% unleaded gasoline with a 40:1 ratio of lubrication oil to gasoline.
When it comes to the fuel tank size for the VVRC 30cc engine, there isn't a definitive answer. However, some users have reported using fuel tanks ranging from 16oz to 24oz in similar 30cc engines. It is important to note that fuel consumption can vary depending on factors such as throttle settings, flight style, and engine break-in procedures. Therefore, it is always recommended to refer to the manufacturer's guidelines and conduct test flights to determine the optimal fuel tank size for your specific aircraft and engine combination.
The VVRC 30cc Twin Cylinder Gas Engine has received positive reviews from users, who praise its performance, sound, and reliability. Some users have noted that the engine has noticeable torque and that it provides ample reserve power during flights. The engine's ability to fit within standard 30cc cowls, as well as its overall quality, have also been highlighted as impressive features.
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RCU forums
One user with a 33% Cub and a YDA-56 engine noted that they used a 24-ounce tank and always had at least half a tank remaining upon landing. Another user with a 33% Waco and a 3W-157 engine used a 32-ounce tank and had similar results.
For fuel lines, a general rule of thumb is to use a 3/32nd size fuel line for 30cc engines and smaller.
When it comes to the DLE-30 engine, opinions vary. Some users suggest a 12-ounce tank, while others recommend a 16-ounce tank. The Aeroworks 30cc Extra 300 plane, for example, recommends a 15-ounce tank, but some users consider this too small for a DLE-30 engine.
It is worth noting that flight duration and flying style can influence fuel consumption. Aggressive flying and longer flight times will require larger fuel tanks. Ultimately, it is recommended to gain experience with the plane and adjust the tank size accordingly.
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Fuel tank size for 15-minute flight
The fuel tank size required for a 15-minute flight depends on several factors, including the type of aircraft, engine size, and flight conditions. Let's explore the considerations for determining the appropriate fuel tank size for a 30cc gas engine aircraft to achieve a 15-minute flight duration:
Engine Type and Performance Characteristics:
The choice of engine plays a crucial role in fuel consumption. Different engines have varying power outputs, combustion efficiencies, and fuel requirements. For example, the VVRC 30cc Twin Cylinder Gas Engine has a maximum output of 3.7HP at 7500 rpm and utilizes a 2-cycle air-cooled oil system. Understanding the specific engine's characteristics will help in estimating fuel consumption rates.
Fuel Consumption Rate:
The rate at which the engine consumes fuel is a critical factor in determining the fuel tank size. Engines with higher power outputs or less fuel-efficient designs will generally consume more fuel. It is important to refer to the engine's specifications and user experiences to estimate the fuel burn rate. For instance, some users have reported that their 30cc engines burn approximately an ounce of fuel per minute at full throttle, which can serve as a starting point for calculations.
Desired Flight Duration:
To achieve a 15-minute flight, the fuel tank size should accommodate the expected fuel consumption for that duration. Using the estimated fuel burn rate, one can calculate the required amount of fuel for a 15-minute flight. It is generally recommended to have a slight buffer to account for variations in performance and ensure a safe landing.
Aircraft Weight and Performance:
The weight of the aircraft, including the fuel, affects its performance and fuel efficiency. A heavier aircraft will consume more fuel to maintain flight, and the additional weight of a larger fuel tank can impact manoeuvrability and stall speeds. Therefore, it is essential to consider the overall weight and balance of the aircraft when selecting the fuel tank size.
User Experiences and Recommendations:
Online forums provide valuable insights from experienced users. For a 30cc gas engine, users have reported using fuel tanks ranging from 12 to 20 ounces for their aircraft. Some recommend opting for a slightly larger tank, especially for scale planes, to ensure sufficient fuel and allow for potential landing approaches and go-arounds.
Considering these factors, a fuel tank in the range of 12 to 16 ounces (350-470 ml) would be a reasonable starting point for a 30cc gas engine aircraft aiming for a 15-minute flight. However, it is important to fine-tune the fuel tank size based on the specific engine, aircraft configuration, and flight conditions to ensure optimal performance and safety.
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Frequently asked questions
The piston displacement cylinder is 30cc (1.83 cu in).
The power supply is 6-8.4V.
The maximum output is 3.7HP / 7500rmp.
The engine requires gasoline, 2-cycle air-cooled oil, ignition battery, and propeller.
The size of the fuel tank depends on the desired flight time. For a 15-minute flight, a 12-ounce tank is recommended. For shorter flights, a 16-ounce tank may be sufficient.
