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Fuel Tanks
Different types of fuel tanks are used to optimize fuel delivery and engine performance. Venting style in these tanks refers to how the tank handles air intake and fuel flow, ensuring consistent delivery to the engine during flight manouvres. Different venting designs impact enging performance, especially in stunts or inverted flight. Common venting styles include:
Standard Fuel Tank:
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- A basic design where fuel is drawn from the bottom of the tank by the engine's fuel pickup tube. As fuel is consumed, air replaces it in the tank, maintaining a consistent pressure.
- These tanks are typically used in simpler setups where consistent fuel delivery is not a major concern, such as basic sport flying models.
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Uniflow Fuel Tank:
- Designed to maintain a consistent fuel pressure to the engine regardless of the aircraft's orientation. This is achieved by incorporating a separate vent line allowing air into the tank to replace consumed fuel.
- These tanks are particularly useful for aerobatics or if you are looking to fly in in various orientations e.g.inverted flight.
- While doing these manouvres they ensure a steady supply of fuel to the engine, reducing the risk of fuel starvation.
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Klunk Tank:
- Feature a weighted pickup line (klunk) that hangs down into the fuel tank to ensure the fuel pickup remains submerged in the fuel regardless of the aircraft's orientatione.g. inverted flight and vertical climbs.
- The klunk is designed to sink to the lowest point in the tank, ensuring that it remains submerged in fuel regardless of the aircraft's direction.
- This design prevents fuel starvation by continuously feeding fuel to the engine during various flight maneuvers
Each type of fuel tank serves a specific purpose determined by the model aircraft's design, engine type, and flying style to achieve the best fuel delivery and performance.