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	<id>https://merkelistan.com/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Napoleon4685</id>
	<title>Merkelistan WIki - Benutzerbeiträge [de]</title>
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	<updated>2026-10-19T21:51:23Z</updated>
	<subtitle>Benutzerbeiträge</subtitle>
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	<entry>
		<id>https://merkelistan.com/index.php?title=Think_The_Two_Can_t_Coexist&amp;diff=79591</id>
		<title>Think The Two Can t Coexist</title>
		<link rel="alternate" type="text/html" href="https://merkelistan.com/index.php?title=Think_The_Two_Can_t_Coexist&amp;diff=79591"/>
		<updated>2025-12-02T13:47:27Z</updated>

		<summary type="html">&lt;p&gt;Napoleon4685: Die Seite wurde neu angelegt: „&amp;lt;br&amp;gt;For a while, car companies showed us their most fuel-efficient cars, without regard to our desire for speed, fun and the sexy machine. They appealed to the pain we were feeling when we gassed up our cars, but left out the feeling we get when we step into a car that was really built to just go. But those things have changed. The compromise between gas mileage and a great time is closing. In a world of ever-increasing fuel economy, some sports cars have…“&lt;/p&gt;
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&lt;div&gt;&amp;lt;br&amp;gt;For a while, car companies showed us their most fuel-efficient cars, without regard to our desire for speed, fun and the sexy machine. They appealed to the pain we were feeling when we gassed up our cars, but left out the feeling we get when we step into a car that was really built to just go. But those things have changed. The compromise between gas mileage and a great time is closing. In a world of ever-increasing fuel economy, some sports cars have relinquished their appetite for fuel without forfeiting their crown of fun. It&#039;s not the heyday of muscle cars anymore -- those days are long past -- but that doesn&#039;t mean that fast, fun and powerful can&#039;t keep its own in a conversation about fuel efficiency. Think the two can&#039;t coexist? Mercedes, Ford, Porsche and Lotus are just a few car companies that disagree. And they can prove it.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Hopefully these sports car guilty pleasures will leave you feeling a little less guilty when your Prius driving friends come over for dinner. The &amp;quot;Z&amp;quot; has a long heritage and a devoted following that spans decades. Starting at a base price of about $33,000 the Nissan 370Z provides 332-horsepower from a 3.7-liter V-6. This engine allows the Z to go from 0 to 60 miles per hour (0 to 96.6 kilometers per hour) in just 5.2 seconds. Not bad for naturally aspirated engine. But what&#039;s maybe even more impressive about the 370Z is that it still manages to squeeze out mileage of 19 miles per gallon (8.1 kilometers per liter) in the city and 26 miles per gallon (11.1 kilometers per liter) on the highway. It&#039;s not the most fuel-efficient sports car, but it&#039;s nothing to sneeze at either. Source: Forbes. They both share the same 3.7-liter engine, but the Infiniti drops two horses off the power and  [http://cctvss1004.com/bbs/board.php?bo_table=free&amp;amp;wr_id=707514 cctvss1004.com] adds some weight.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Source: Forbes. But what you may not know is some of their sports cars are easy on the gas as well. A 255-horsepower, 2.9-liter engine propels the Boxster from 0 to 60 miles per hour (0 to 96.6 kilometers per hour) in just 5.4 seconds. And with the seven-speed automatic transmission it gets 22 miles per gallon (9.4 kilometers per liter) city and  [https://icux.xyz/UGvCX5 PrimeBoosts.com] 32 miles per gallon (13.6 kilometers per liter) highway. If you go with the sportier Boxster S model, the 0 to 60 miles per hour (0 to 96.6 kilometers per hour) time drops to 4.7 seconds and you&#039;ll still get 21 miles per gallon (8.9 kilometers per liter) in the city and 30 miles per gallon (12.8 kilometers per liter) on the highway. Source: Forbes. There are several engine options to choose from, but even the most powerful Cayman R model delivers 330-horsepower and moves from 0 to 60 miles per hour (0 to 96.6 kilometers per hour) in just 4.6 seconds.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The fuel efficiency, you ask? It gives you 20 miles per gallon (8.5 kilometers per liter) in the city and 29 miles per gallon (12.3 kilometers per liter) on the highway. In fact, this 3.4-liter flat-six engine-powered sports car gets better gas mileage than a 5-door Mazda3 Speed. Source: Forbes. With just a 1.8-liter turbocharged 4-cylinder engine, the SLK250 produces 201-horsepower and 229 ft-lb of torque -- which Mercedes-Benz likes to remind consumers is more than the previous V-6-equipped model. Oh, and it comes in a hardtop convertible model as well. Aside from being one the best looking sports cars on the road, it also boasts some amazing fuel efficiency numbers. With a relatively small 1.6-liter engine and just 134-horsepower, the Lotus Elise may not sound like much of a sports car. With its six-speed manual transmission, you can expect to get 34 miles per gallon (14.5 kilometers per liter) in the city and (according to Lotus) a whopping 56 miles per gallon (23.8 kilometers per liter) on the highway.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The Genesis Coupe puts out 348-horsepower from a 3.8-liter V-6 that moves from 0 to 60 miles per hour (0 to 96.6 kilometers per hour) in just 5.2 seconds. All that, and this powerhouse is still able to achieve 18 miles per gallon (7.7 kilometers per liter) in the city and 28 miles per gallon (11.9 kilometers per liter) on the highway. If you want to sacrifice a little speed, you can go with the 274-horsepower version and get 20 miles per gallon (8.5 kilometers per liter) in the city and 30 miles per gallon (12.8 kilometers per liter) on the highway. Either way, you really can&#039;t go wrong. Source: Forbes.0-liter, turbocharged, 4-cylinder TT has been turning heads for quite a while, and with its six-speed manual transmission this sports car sums up fun-on-wheels pretty nicely. With a 0 to 60-mile per hour (0 to 96.6-kilometer per hour) time of just 5.3 seconds the TT is no sluggard and its fuel efficiency isn&#039;t half bad either.&amp;lt;br&amp;gt;&lt;/div&gt;</summary>
		<author><name>Napoleon4685</name></author>
	</entry>
	<entry>
		<id>https://merkelistan.com/index.php?title=Lean_Body_Mass_And_Muscle_Mass_-_What%E2%80%99s_The_Difference&amp;diff=78282</id>
		<title>Lean Body Mass And Muscle Mass - What’s The Difference</title>
		<link rel="alternate" type="text/html" href="https://merkelistan.com/index.php?title=Lean_Body_Mass_And_Muscle_Mass_-_What%E2%80%99s_The_Difference&amp;diff=78282"/>
		<updated>2025-12-01T12:30:15Z</updated>

		<summary type="html">&lt;p&gt;Napoleon4685: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;br&amp;gt;Home » Blogs » Lean Body Mass and Muscle Mass - What’s the Difference? In each one, someone wants to gain five pounds of something but is using three different terms. Let’s clear up a common misconception: all muscle is lean. The term &amp;quot;lean muscle&amp;quot; isn’t scientifically accurate. But what is lean body mass and what is muscle mass? These are real terms, and they refer to different aspects of your body composition. Understanding the difference is key if you want to accurately calculate lean body mass, track your skeletal muscle mass, and reach your fitness goals. Let’s take a look below. Lean Body Mass vs. What is Lean Body Mass? Lean Body Mass (also sometimes known as simply &amp;quot;lean mass,&amp;quot; likely the source of the word &amp;quot;lean muscle&amp;quot;) is the total weight of your body minus fat mass. Unlike lean muscle,  [https://wiki.novaverseonline.com/index.php/Why_Some_People_Build_Muscle_Easily_And_How_You_Can_Catch_Up Prime Boosts] Lean Body Mass correctly uses the word &amp;quot;lean&amp;quot; as it describes the entire weight of your body minus fat.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Because your Lean Body Mass comprises so many parts, any change in the weight of these areas can be recorded as changes in LBM. Keep in mind, the weight of your organs will not change much. Bone density will decrease over time, but it won’t significantly affect the weight of your LBM. The two biggest factors that influence lean body mass are body water and muscle mass. What is Muscle Mass? When people talk about gaining muscle through strength training and protein intake, they’re actually referring to increasing their skeletal muscle mass - the only muscle type you can actively grow through exercise and nutrition. When people talk about gaining muscle by eating more protein or muscle-building workouts, what they’re really talking about is gaining or building their Skeletal Muscle Mass - the only muscle type you can actively grow through exercise and nutrition. This distinction is important because skeletal muscle vs. ’t the same thing.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Many assume they’re interchangeable, but skeletal muscle mass refers specifically to the muscles you can develop through training. Another key consideration is body water, which is a major component of lean body mass. This can lead to confusion when people use &amp;quot;muscle gain&amp;quot; and &amp;quot;lean gains&amp;quot; interchangeably. A sudden increase in lean body mass doesn’t always mean you’ve gained muscle - it could simply be fluctuations in body water. However, it doesn’t work the other way:  [https://s.bea.sh/see-details-81648 Prime Boosts] an increase of Lean Body Mass is not always an increase in muscle. That’s because body water makes up a significant portion of your Lean Body Mass. Water made up more than 55% of total body weight, which is normal for healthy adult males. Notice how from a body composition standpoint, Lean Body Mass is made up of three components, two of which are water. Muscle gains definitely contribute to LBM gains, but so does water, which can fluctuate throughout the day depending on hydration status, diet, and physical activity.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;It’s also important to note that muscle itself contains water - a lot of it. According to the USGS, muscle can contain up to 79% water content. Research has also shown that resistance training promotes the increase of intracellular water in both men and women. Several factors affect lean body mass and skeletal muscle mass. Genetics - Your genetics determine muscle-building potential, metabolism, and skeletal muscle mass distribution, affecting how easily you gain or retain lean body mass. Age - After 30, muscle mass declines by 3-5% per decade without strength training, making resistance exercise and protein intake essential for maintenance. Nutrition - Adequate protein, calories, and hydration support muscle growth and recovery, while deficiencies can lead to muscle loss and decreased lean body mass. Exercise - Resistance training increases skeletal muscle mass, while cardio and mobility work help maintain overall lean body mass and body composition. Hormones - Testosterone, growth hormone, and insulin regulate muscle protein synthesis, influencing muscle gain and retention, especially with aging.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Since there’s a significant difference between Lean Body Mass and Skeletal Muscle Mass, how is it possible to know how much of each you have? Don’t rely on a scale alone - A scale cannot distinguish between fat, water, and muscle mass. Get a body composition analysis - The most reliable way to calculate lean body mass and skeletal muscle mass is through body composition testing. Choose the right measurement method: Skinfold calipers - Measures body fat at specific locations. Hydrostatic weighing - Determines body density using underwater weighing. Air displacement plethysmography - Uses air pressure to estimate body composition. DEXA scan - Differentiates between fat mass, lean body mass, and bone density. DSM-BIA (Direct Segmental Multi-Frequency Bioelectrical Impedance Analysis) - Separates skeletal muscle mass from lean body mass. Building lean body mass requires a combination of strength training, proper nutrition, hydration, and recovery. Prioritize resistance training with compound movements like squats, deadlifts, and bench presses. Use progressive overload by gradually increasing weights or reps.&amp;lt;br&amp;gt;&lt;/div&gt;</summary>
		<author><name>Napoleon4685</name></author>
	</entry>
	<entry>
		<id>https://merkelistan.com/index.php?title=Does_Walking_Downhill_Build_Muscle&amp;diff=77998</id>
		<title>Does Walking Downhill Build Muscle</title>
		<link rel="alternate" type="text/html" href="https://merkelistan.com/index.php?title=Does_Walking_Downhill_Build_Muscle&amp;diff=77998"/>
		<updated>2025-12-01T06:46:33Z</updated>

		<summary type="html">&lt;p&gt;Napoleon4685: Die Seite wurde neu angelegt: „&amp;lt;br&amp;gt;Whether you&amp;#039;re walking hills for fitness or enjoying a hike in the great outdoors, reaching a downhill stretch of terrain feels like a welcome relief. Although you perceive that walking downhill is easy, it actually places high demands on your muscles, can build muscle if performed on a regular basis and can cause injury if you do too much without building up gradually. Walking utilizes numerous muscles throughout the body, including your hip rotators…“&lt;/p&gt;
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&lt;div&gt;&amp;lt;br&amp;gt;Whether you&#039;re walking hills for fitness or enjoying a hike in the great outdoors, reaching a downhill stretch of terrain feels like a welcome relief. Although you perceive that walking downhill is easy, it actually places high demands on your muscles, can build muscle if performed on a regular basis and can cause injury if you do too much without building up gradually. Walking utilizes numerous muscles throughout the body, including your hip rotators, calf muscles, abdominal muscles and hip flexors. You use your quadriceps to extend your knees and flex -- or bend -- your hips. You also use your hamstrings to extend your hips. Downhill walking places demands particularly on these knee and hip extensors. Perhaps the most well-known type of muscular contraction is the concentric contraction, in which a muscle shortens. Downhill walking, however, utilizes the other type of contraction: the eccentric,  [https://abracadamots.fr/roman-policier-intrigue-captivante-suspense-enquete-criminelle/ Prime Boosts] or lengthening, contraction. As you walk downhill, your body gains momentum. To counteract this momentum, your knee and hip extensors must contract eccentrically to slow down your stride and reduce the impact on your weight-bearing leg. These eccentric contractions build strength throughout these muscles&#039; ranges of motion. The energy demands go to the braking action of the eccentric contractions. Without these eccentric contractions, you would gain too much speed and break out into a run. Even though downhill walking effectively builds strength in the hip and knee extensors, it carries some dangers. Muscle soreness is typically greater with eccentric, as opposed to concentric, contractions. This pain generally arises after you&#039;ve finished walking, so you might not realize you&#039;ve overdone it until it&#039;s too late. Downhill walking also places significant stress on your ankle, knee and hip joints. If you have problems in these areas, downhill walking may be contraindicated.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Why Did I Gain Weight After Working Out? There are several research-backed reasons why you might notice a slight weight gain after exercise. These include muscle gain, water retention, post-workout inflammation, supplement use, or even undigested food. In most cases, post-workout weight gain is temporary. Here is what you need to know about gaining weight after working out. Why Did I Gain Weight After Working Out? Gaining weight after working out is likely due to muscle fiber inflammation, muscle glycogen and water weight gain, and over time, muscle mass gain. If weight loss is your goal, seeing an increase on the scale when you&#039;ve been making an effort to exercise can be frustrating. However, it is often a normal, common occurrence that is likely temporary. Here are some of the reasons why it might be happening to you. You will likely gain muscle when you start working out. How much muscle you gain depends on your diet and the type of workouts you do.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;But any increase in physical activity is likely to produce at least some improvements in strength and muscle mass. If you participate in strength training workouts and consume adequate protein, you&#039;re likely to see more significant increases in muscle mass. Genetics also play a role in the amount of muscle mass you gain when starting an exercise program. If you tend to gain muscle easily, consider yourself lucky. Muscles help to shape a strong, healthy body. Some people put on muscle more quickly than others. But when you gain muscle, the number on the scale is likely to increase. In fact, even if you&#039;re also losing fat, you may see an increase on the scale. Muscle is more dense than fat,  [https://shorturl.at/oxoqM Prime Boosts] but it takes up less space. That means if you gain muscle, your scale weight may go up even as you&#039;re losing body fat. If you&#039;ve been working out regularly, it&#039;s possible for you to lose inches even if you&#039;re not losing weight.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;A higher number on the scale could mean that you are losing fat while gaining muscle-a positive trend that leads to a leaner, stronger body. Water retention is a common cause of temporary weight gain. Pre-menopausal people are especially prone to body-weight fluctuations throughout the month due to hormonal changes. If you have periods, you may notice some degree of bloating immediately before and during your period. Exercise can help reduce pre-menstrual symptoms, so it&#039;s helpful to keep up with your workouts, though you may still see an increase on the scale. Studies have shown that fluid retention peaks on the first day of menstrual flow. It is lowest during the mid-follicular period (the middle phase of your cycle) and gradually increases over the 11 days surrounding ovulation. The degree to which you see an increase on the scale varies from person to person, but at least a slight increase in weight-even after exercise-is normal.&amp;lt;br&amp;gt;&lt;/div&gt;</summary>
		<author><name>Napoleon4685</name></author>
	</entry>
	<entry>
		<id>https://merkelistan.com/index.php?title=9_Best_Muscle-building_Protein_Powders&amp;diff=77049</id>
		<title>9 Best Muscle-building Protein Powders</title>
		<link rel="alternate" type="text/html" href="https://merkelistan.com/index.php?title=9_Best_Muscle-building_Protein_Powders&amp;diff=77049"/>
		<updated>2025-11-30T06:02:17Z</updated>

		<summary type="html">&lt;p&gt;Napoleon4685: Die Seite wurde neu angelegt: „&amp;lt;br&amp;gt;We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Protein powders can help people build muscle. Having the powder before and after a workout may help speed recovery from resistance and endurance training. In 2022, the protein powder market was worth $21.6 billion. The market may grow even more by 2032 due to the increasing amounts of people following a vegan diet. A small 20…“&lt;/p&gt;
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&lt;div&gt;&amp;lt;br&amp;gt;We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Protein powders can help people build muscle. Having the powder before and after a workout may help speed recovery from resistance and endurance training. In 2022, the protein powder market was worth $21.6 billion. The market may grow even more by 2032 due to the increasing amounts of people following a vegan diet. A small 2018 study found that protein powder increased muscle strength and size in healthy adults doing regular resistance training. Additionally, a 2021 study with competitive soccer players indicates that increasing daily protein intake can help reduce deterioration during intensive training. Find out how much protein a person needs each day. Price: Products suit a wide range of budgets. Ingredients: Products list all ingredients clearly, with manufacturing processes outlined. Safety: Products contain ingredients deemed safe for ingestion.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Reputation: Products are from businesses that adhere to industry best practices. Below we list some of the best protein powders for building muscle. Find out what they contain and how they work. Please note that the writer of this article has not tried these products. All information presented is purely research-based and correct at the time of publication. Medical News Today follows a strict product selection and vetting process. Optimum Nutrition specializes in protein supplements. The Gold Standard 100% Whey protein powder is one of its best-selling products. This product’s main ingredient is whey protein isolate. Because this powder also contains whey protein concentrate, there are 24 grams (g) of protein in a single serving. People can easily mix the powder with liquid with a shaker or spoon. The company recommends mixing 1 scoop into 6-8 ounces (oz) of cold water or milk. This supplement offers a wide variety of flavor choices.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;However, it is important to note that ingredients and nutritional information will vary depending on the flavor. A person should carefully consider which best fits their needs and ensure the flavor is free from any ingredients they wish to avoid. This grass-fed whey protein powder from Momentous is gluten-free and National Sanitation Foundation certified for sport. This means it is safe for athletes to take. The company claims it adds enzymes to aid digestion, and people can add it to milk, water, or  [http://service.megaworks.ai/board/bbs/board.php?bo_table=hwang_form&amp;amp;wr_id=3818038 Prime Boosts Male Enhancement] smoothies. Each pack contains 24 servings. Each serving offers 23.27 g of grass-fed protein alongside other essential nutrients, such as calcium, sodium, and potassium. This powder includes enzymes to make digestion easier, and the company claims it is cold-processed to preserve the natural protein structures. Although it is gluten-free, this powder is made from animal protein and contains milk, so it is unsuitable for vegans. It is also a more expensive option than others. TrueNutrition specializes in nutritional supplements.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The company offers its customers the opportunity to create a personal protein supplement. The RBGH/Soy Free Whey Protein powder is among its most highly reviewed powders. TrueNutrition recommends mixing 1 scoop in 12-24 fl oz of water, juice, or milk. This product is gluten- and soy-free, with no added hormones or antibiotics. It is suitable for vegetarians and contains 30 g of protein per serving. People can add [https://twizax.org/Question2Answer/index.php?qa=136315&amp;amp;qa_1=eating-disorders-men-are-not-talked-about-enough-theyre-rise Prime Boosts male enhancement] and customize their protein powder for a small additional cost, such as including essential amino acids or beef collagen. However, some reviewers state the protein powder can taste gritty. NOW Foods has been trading in supplements and health products since the 1960s. The Chicken Bone Broth product has the highest protein per serving - 29 g. NOW Foods recommends adding 1 scoop to 8 oz of water or another liquid. This product is paleo and keto diet-friendly. It is suitable for people with many common food allergies and sensitivities.&amp;lt;br&amp;gt;&lt;/div&gt;</summary>
		<author><name>Napoleon4685</name></author>
	</entry>
	<entry>
		<id>https://merkelistan.com/index.php?title=How_Do_Satellites_Orbit_The_Earth&amp;diff=76142</id>
		<title>How Do Satellites Orbit The Earth</title>
		<link rel="alternate" type="text/html" href="https://merkelistan.com/index.php?title=How_Do_Satellites_Orbit_The_Earth&amp;diff=76142"/>
		<updated>2025-11-29T14:56:15Z</updated>

		<summary type="html">&lt;p&gt;Napoleon4685: &lt;/p&gt;
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&lt;div&gt;&amp;lt;br&amp;gt;In its nearly 30-year history, the space shuttle program has seen exhilarating highs and devastating lows. The fleet has taken astronauts on dozens of successful missions­, resulting in immeasurable scientific gains. But this success has had a serious cost. In 1986, the Challenger exploded during launch. In 2003, the Columbia broke up during re-entry over Texas. Since the Columbia accident, the shuttles have been grounded pending redesigns to improve their safety. The 2005 shuttle Discovery was supposed to initiate the return to flight, but a large piece of insulating foam broke free from its external fuel tank, leaving scientists to solve the mystery and the program grounded once more until July 2006, when the Discovery and Atlantis both carried out successful missions. In this article, we examine the monumental technology behind America&#039;s shuttle program, the mission it was designed to carry out, and the extraordinary efforts that NASA has made to return the shuttle to flight. The space shuttle flight path.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The space shuttle flight path. Mouse over the boxes to see the stages. A typical shuttle mission lasts seven to eight days, but can extend to as much as 14 days depending upon the objectives of the mission. Let&#039;s look at the stages of a mission one by one. The Hubble Space Telescope uses a system of cameras and mirrors to detect distant star light. Let&#039;s look at these components closely. In addition, the SRBs support the entire weight of the space shuttle orbiter and fuel tank on the launch pad. Because the SRBs are solid rocket engines, once they are ignited, they cannot be shut down. Therefore, they are the last component to light at launch. The orbiter has three main engines located in the aft (back) fuselage (body of the spacecraft). Each engine is 14 feet (4.3 m) long, 7.5 feet (2. 3 m) in diameter at its widest point (the nozzle) and weighs about 6,700 lb (3039 kg).&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The main engines provide the remainder of the thrust (29 percent) to lift the shuttle off the pad and into orbit. The engines burn liquid hydrogen and liquid oxygen,  [https://merkelistan.com/index.php?title=Benutzer:Napoleon4685 Prime Boosts] which are stored in the external fuel tank (ET), at a ratio of 6:1. They draw liquid hydrogen and oxygen from the ET at an amazing rate, equivalent to emptying a family swimming pool every 10 seconds! The fuel is partially burned in a pre-chamber to produce high pressure, hot gases that drive the turbo-pumps (fuel pumps). The fuel is then fully burned in the main combustion chamber and the exhaust gases (water vapor) leave the nozzle at approximately 6,000 mph (10,000 km/h). Each engine can generate between 375,000 and 470,000 lb (1,668,083 to 2,090,664 N) of thrust; the rate of thrust can be controlled from 65 percent to 109 percent maximum thrust. As mentioned above, the fuel for the main engines is stored in the ET. The ET is 158 ft (48 m) long and has a diameter of 27.6 ft (8.4 m).&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;When empty, the ET weighs 78,000 lb (35,455 kg). It holds about 1.6 million lb (719,000 kg) of propellant with a total volume of about 526,000 gallons (2 million liters). The ET is made of aluminum and aluminum composite materials. It has two separate tanks inside, the forward tank for oxygen and the aft tank for hydrogen, separated by an intertank region. Each tank has baffles to dampen the motion of fluid inside. Fluid flows from each tank through a 17-inch (43 cm) diameter feed line out of the ET through an umbilical line into the shuttle&#039;s main engines. Through these lines, oxygen can flow at a maximum rate of 17,600 gallons/min (66,600 l/min) and hydrogen can flow at a maximum rate of 47,400 gallons/min (179,000 l/min). The ET is covered with a 1-inch (2.5 cm) thick layer of spray-on, polyisocyanurate foam insulation. The insulation keeps the fuels cold,  [https://rukorma.ru/069-ht-group Prime Boosts] protects the fuel from heat that builds up on the ET skin in flight, and minimizes ice formation.&amp;lt;br&amp;gt;&lt;/div&gt;</summary>
		<author><name>Napoleon4685</name></author>
	</entry>
	<entry>
		<id>https://merkelistan.com/index.php?title=Benutzer:Napoleon4685&amp;diff=76141</id>
		<title>Benutzer:Napoleon4685</title>
		<link rel="alternate" type="text/html" href="https://merkelistan.com/index.php?title=Benutzer:Napoleon4685&amp;diff=76141"/>
		<updated>2025-11-29T14:56:08Z</updated>

		<summary type="html">&lt;p&gt;Napoleon4685: Die Seite wurde neu angelegt: „I&amp;#039;m Napoleon and I live in Lancy. &amp;lt;br&amp;gt;I&amp;#039;m interested in Industrial and Labor Relations, Jewelry making and Spanish art. I like to travel and reading fantasy.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;my web blog: [https://rukorma.ru/069-ht-group Prime Boosts]“&lt;/p&gt;
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&lt;div&gt;I&#039;m Napoleon and I live in Lancy. &amp;lt;br&amp;gt;I&#039;m interested in Industrial and Labor Relations, Jewelry making and Spanish art. I like to travel and reading fantasy.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;my web blog: [https://rukorma.ru/069-ht-group Prime Boosts]&lt;/div&gt;</summary>
		<author><name>Napoleon4685</name></author>
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