A rotary engine, also referred to as a Wankel engine, is a type of internal combustion engine. Rather than using reciprocating pistons found in a conventional engine, a rotary engine utilizes rotors to convert pressure into a rotating motion. Here's a basic breakdown of how a rotary engine works: 1. Intake: During the intake phase, the engine draws in a fuel-air mixture into the housing. This is achieved as the rotor moves away from the intake port, increasing the volume and reducing the pressure in the chamber, hence sucking in the fuel-air mixture. 2. Compression: As the rotor continues to move, it compresses the fuel-air mixture against the wall of the housing. 3. Combustion: When the fuel-air mixture is compressed to a suitable pressure level, a spark plug ignites it, causing an explosion. This explosion pushes the rotor around, generating power. 4. Exhaust: As the rotor continues to move, it also pushes the burned gases out of the exhaust port, leaving the chamber ready for the next intake of the fuel-air mixture. It's important to note that while rotary engines are generally lighter and more compact than conventional piston engines, they can be less fuel-efficient and generate higher emissions.

Subarus are generally considered reliable vehicles, known for their sturdy build and longevity, especially in models like the Outback and Forester. The brand has cultivated a loyal following thanks to its commitment to all-wheel drive, safety features, and durability in harsh weather conditions. However, reliability can vary by model and year. Older models have faced issues like head gasket problems, particularly in the 2.5-liter engines. Recent models have seen improvements and generally fare well in consumer reliability ratings. Regular maintenance can greatly extend the life and performance of a Subaru, as with any vehicle. For those valuing safety, performance in difficult driving conditions, and longevity, a Subaru can be a wise choice, though it's prudent to research specific models and years for potential issues.

Drawing a truck can be a fun activity if you like sketching or want to develop your artistic skills. Here's a simple step-by-step guide on how to draw a basic truck: Step 1: Draw the Lorry Box Start by drawing a rectangle for the back of the truck. This is the lorry box, or the part of the truck where your goods are loaded. Step 2: Draw the Cab Next, draw another rectangle shape that is attached to the lorry box. This shape should be leaner and a little smaller, it will serve as the cab or the driver's compartment. Step 3: Draw the Roof Draw a flat rectangle or trapezoid shape on the top half of the cab for the roof. Step 4: Draw the Front Glass and Window Subdivide the cab with two vertical lines for the windshield on the front. You can also draw a rectangle on the side for the truck's windows. Step 5: Draw the Wheels Under the lorry box and the cab, draw two circles for the back wheels and another two circles for the front wheels. Make sure to draw lightly on this step because truck wheels aren't perfect circles. Step 6: Outline the Body and Wheels Once you're satisfied with the basic shapes and proportions, choose a pen or thick pencil and trace over your pencil lines. This will be the truck's final shape. Step 7: Erase the Helper Lines Erase the pencil lines you used as guides. Step 8: Draw Details Add details to your truck such as the door, handle, front grills, headlights, and more. Implement the style and design you want for your truck. Step 9: Shading Add shading or color your truck to complete the drawing. It really helps to look at images of actual trucks for reference, especially if you're going for a more detailed or specific type of truck. Another tip is to start out drawing lightly, so any mistakes can be easily corrected. For best results, have good quality pencils and paper on hand. But most of all, enjoy the process and have fun! With practice, you'll see improvements in your drawing skills.