why were the large tanks filled with gasoline

The external tank weighed 1.6 million pounds at space shuttle liftoff, equal to the weight of 32,000 elementary school children. Rust flakes could clog a filter for sure. By keeping your tank more full, there is less space in the tank for the fuel to absorb water from, which means there's less of a chance of freezing. When you're filling up do not squeeze the trigger of the nozzle to the high setting. Whether they are completely destroyed by a single event of running out of fuel is IMHO another question, particularly as I'd expect running out of fuel stops the engine before the injection pump is dry: as soon as a bit of air gets into the pressure side of the fuel system, the injection pump works against a compressing/expanding gas bubble and no further fuel is. Want this question answered? But why bury them? It takes time, but it does happen. I.e. , for example, natural gas wasnt piped in until the 1960s. Heres what that means. Fuel tanks have been implicated in aviation disasters, being the cause of the accident or worsening it (fuel tank explosion). If its located in an urban area, the tanker might come multiple times a week. In this case, there wont be any signs of an oil tank on the exterior. Several systems, such as BattleJacket and rubber bladders, have been developed and deployed for use in protecting (from explosion caused by enemy fire) the fuel tanks of military vehicles in conflict zones.[11]. (Yes, we realize that underground storage tanks and automobile gas tanks are two very different things.) All rights reserved. The reasoning is that youd get gas from the bottom of the storage tank which is filled with sediments and these particles can erode your cars engine. His most successful vehicle, the Trieste, was launched in 1953 and dived to 3,150 meters (10,300 feet).In 1958, the United States Navy purchased the Trieste and designed a new cabin that would enable it to reach the floor of deep ocean trenches. Oil tank decommissioning: Remove the tank or have it filled? Natural gas isnt that old in the grand scheme of things. Yes, the sloshing of a less-than-full tank would move the sediment around and make it more likely to get pulled into the pump, but unless you drive a limo on really smooth roads, or keep your tank almost completely full, that's still going to happen. Could a subterranean river or aquifer generate enough continuous momentum to power a waterwheel for the purpose of producing electricity? At the time, it solved two problems: The last 40 to 50 years have seen a dramatic shift from oil to natural gas as the primary fuel used to heat houses. (Temperature regulations on gasoline sales are already in effect in some places. Advocates maintain that pumping gas more slowly produces fewer vapors, and therefore consumers get more for their money by using slower settings on pumps (because less gasoline is lost to vaporization). Thanks for everyone's input! The more air you have in your tank, the larger possibility there is something like this might happen. But why bury them? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Be notified when an answer is posted. If the contractor says the oil tank hasnt been decommissioned, you might consider adding full decommission as a, How to tell if you have an abandoned oil tank, Outside the home, look for the presence of a gas meter. An earthquake will be over before you can get out of Dodge and driving down the road during one is. In general, most gas stations get visited by a fuel tanker truck at least once a week. And filling from the bottom lets you use the same plumbing for draining. Metal (steel or aluminium) fuel tanks are usually built by welding stamped sheetmetal parts together. An old house with a properly decommissioned oil tank. Bathyscaphes can dive deeper than a person with scuba gear, and even deeper than submarines.Design features reveal that the bathyscaphe was engineered with one goal in mind: to reach the deepest depths of the ocean. Do cars consume less gasoline when the tank is full? Farm and residential tanks of 1,100 gallons or less capacity holding motor fuel used for noncommercial purposes. Many fuel tanks' baffles (particularly in aircraft and racecars) contain lightening holes. This material may not be reproduced without permission. National Geographic Society is a 501 (c)(3) organization. During this process, you will inevitably die, and your body will continue to lose heat (faster now, even) until it is indeed frozen. This enables the bathyscaphe to maintain equal pressure between its interior and the sea, even at extreme depths where water is highly pressurized. E85 pumps are clearly labeled at gas stations and typically have yellow nozzles. A buried oil tank that hasnt been decommissioned can increase your risk as a homeowner. If a tanker truck is filling the station's tank at the time you want to buy gas, do not fill up; most likely dirt and sludge in the tank is being stirred up when gas is being delivered, and you might be transferring that dirt from the bottom of their tank into your car's tank. On this blog, I share car fixes, automotive guides, and interesting facts every vehicle owner should know. So, the next time you see a gas station with a tanker truck, youll know approximately how long you have to wait before you can fill up your tank. In fact, the 12 gas-filled tanks on the Trieste provided as much lift as the hydrogen gas on an airship. (That is, the pumps do not adjust price or volume to reflect vapor recovery, so the consumer is essentially paying for losses due to "waste" even though the retailer is recouping those losses through a recycling process.). Thats enough to crush submarines, so the cabins ability to withstand pressure is important for the crew inside!A bathyscaphes float has air tanks and gasoline tanks. The reverse is the same. "Getting Burned at the Gas Pump." I do. If the temperature outside is below 32F/0C, your body temperature will slowly make its way towards freezing. The bathyspheres cabin was suspended from a cable and could not move with as much freedom as the self-propelled bathyscaphe. Flow-through . It can be reused time and time again and is around $20. I run my cars usually to more than hundred thousand kilometers and have never once observed a negative effect of not filling up when half empty. GeoDrive Tires Review: Are They Good & Who Makes Them? As the air bubble exceeds a certain, volume, the pump doesn't reach the pressure to fill the high pressure reservoir = common rail at the required pressure (old diesel: open the nozzle - same for high pressure systems, but they do have sensors that would shut off the engine already at far higher pressures)/open the outlet valve. Like sand in your bathtub, any sediment introduced is going to naturally settle around the drain and get sucked into the filter as fuel is drawn through it regardless of volume. Dayton Business Journal. The average fuel tank capacity for cars is 50-60 L (12-16 US gal). )The bathyscaphe is made of two main components: a crew cabin and a float. Some scenarios are simple, while others are complicated with more things to consider. Your browser or your browser's settings are not supported. It made it a lot harder to steal the valuable oil inside, Natural gas isnt that old in the grand scheme of things. Fuel tanks range in size and complexity from the small plastic tank of a butane lighter to the multi-chambered cryogenic Space Shuttle external tank. When it gets warmer gasoline expands, so if you're filling up in the afternoon or in the evening, what should be a gallon is not exactly a gallon. Send email submissions to: Marshall.Star@msfc.nasa.gov. An example of this type is the ", Rigid removable tanks are installed in a compartment designed to accommodate the tank. The more water in the tanks, the deeper the bathyscaphe can travel. The pellets are ballast, used to control a ship's weight. Assuming that a motorist typically bought 15 gallons of gasoline per week at $4.00 per gallon, and assuming that by carefully choosing to fill up at a particular time of day said consumer could realize a 1% savings, we calculate the total savings to be gleaned over the course of a year at about $31. If instead you reful at 1/2, all that happens is that you suck in 2 * 1/2 tank volume of humid air: no difference at all. Patent pending. But, at the end of the day, its up to you. Integral tanks are areas inside the aircraft structure that have been sealed to allow fuel storage. If the contractor says the oil tank hasnt been decommissioned, you might consider adding full decommission as a contingency. If your leak affects a neighbors yard or nearby company or government building, it could result in additional expenses or even lawsuits. Fuel intake is on the bottom of the tank. While filling the tank with fuel, place the fuel saver over the vent (it has suction cups to hold it in place but you need to keep your hand on it). You cannot download interactives. You're not supposed to run low on anything. Baffles and ends can be riveted into place. Depending on the size of the gas station, it can take anywhere from 20 minutes to an hour. As fuel is loaded into large tanker trucks for delivery to gasoline stations, special additive packages are blended in, which turn the base fuels into branded gasolines with unique characteristics. [2], A larger fuel-tank results in a greater range for the car between refills, however the weight and space requirements of a larger tank are undesirable, especially in smaller cars. That's the kind of sight that makes your blood freeze. Would that reward really be worth the potential inconvenience of adhering to a rigid fill-up schedule week after week? 9 May 2007 (p. A1). Construction of fuel tanks follows a series of specific steps. And again, one has to consider the trade-off. I meant to have a caveat in my answer and had been thinking about it on the way home from work. Of the four, this is probably the least likely (at least the freezing part), though I could see it happening. But these homes do exist, and tank decommissioning can be a hefty expense. If they havent, check your local laws and register the tank as soon as you take ownership of the property. In any area of the world which uses ethanol (like most of the US), the fuel blend tends to collect moisture through absorption. For the latter, as cbeleites noted, emptying a tank halfway twice pulls in exactly as much air as emptying a tank completely once, so again you'll get the same amount of water pulled in no matter how you split that up into fillings. Lawmakers in some states (such as California, Texas, and Missouri) have therefore been considering bills that would force retailers to add temperature-adjusting pumps (Automatic Temperature Compensation, or ATC) in order to bring the gallons-sold tally in line with the 60F standard. These usually come as a set, and the copper tubes will likely be pinched on the ends. Which language's style guidelines should be used when writing code that is supposed to be called from another language? As a result, it takes these large tank trucks around 20-30 minutes on average to fill up a gas station. rev2023.5.1.43405. The pressure at the bottom of the ocean can be 1,130 kilograms per square centimeter (16,000 pounds per square inch). Anticipate potentials for damage and provide safe survival potential. Most oil tanks are only buried about 1 to 3 feet underground. The 300-gram standard referred to fuel fill and vent hoses. @Acccumulation no, it actually is literal. (BTW, I tend to wait as long as possible before refueling, on the theory that I'll save time over the life of my car. The water that condenses has been inside the tank before, and likewise with the sediment. It also helps to have the decommissioning statement handy for the next owners if you plan to sell the house in the future. When I sold the car it was 12 years old and ran without issue, suggesting points 2 and 3 are not major factors. This makes the bathyscaphe an important innovation in oceanic exploration. If a tanker truck is filling the station's tank at the time you want to buy gas, do not fill up; most likely dirt and sludge in the tank is being stirred up. (Thanks to @FreeMan for bringing this up in the comments.). 22 October 2007. xmlns:xsl='http://www.w3.org/1999/XSL/Transform'">. Should I really keep my gas tank at least half full? On Saturday night, Toronto ended a 19-year playoff skid by defeating the Tampa Bay Lightning 2-1 in overtime. Wiki User. This article is for informational purposes only, and is not a substitute for professional advice from a medical provider, licensed attorney, financial advisor, or tax professional. Redfin does not provide legal, tax, or financial advice. The second tank is connected to the first tank and to my generator, and the first tank has a line that runs into my home for a gas fireplace. When you reach out to him or her, you will need the page title, URL, and the date you accessed the resource. Here are some tricks to help you get your money's worth:1. Fuel tanks that are cylindrical or elliptical in shape can withstand more pressure, stay stable, and can be cleaned easily as compared to rectangular ones used for shipping other goods. Some say it doesn't; others maintain that consumers are getting the same "energy content" in a tank of gas either way. Robert Bacon is a car nerd and automotive lover who has dedicated his life to understanding the inner workings of vehicles. Four refueling tips help consumers get the most from their gasoline dollar. On the flip side, the less fuel you're carrying, the better your gas mileage (at the expense of traction). Should You Leave an Underground Oil Tank Buried? Hewitt, Alison. Sediment accumulating and blocking your fuel filter. Learn more about our. How much does it cost to remove an underground oil tank? I agree with you - "only the last of these makes some sense; the rest seem folklore-based", (Not enough for a full answer.) I know its not always convenient, but its the best thing to do. Request Answer. Filling: the fuel tank must be filled in a secure way, without sparks. Because H's tank is more than 10% underground, storage of toxic chemical waste is covered by the law. I tended to put about 20 litres of petrol in every 3 months, so the tank was never more than 2/5 full. How Well Do You Know Your City? What is a Mortgage Buydown? Top-loading tanker trucks, as the name suggests, feature top-loading transport trailers with insulated compartments for different products. Some advanced gasoline filtration systems claim to recover about 2% of the fuel lost by evaporation from gas station storage tanks, so we'll use that figure as a baseline for argument's sake. Tanks storing heating oil used on the premises where it is stored. I've only run out of gas a few times ;), I'd suggest there's credence for all of these. It is filled with an open-cell foam core to prevent explosion of vapor in the empty portion of the tank and to minimize sloshing of fuel during competition that may unbalance the vehicle or cause inadequate fuel delivery to the motor (fuel starvation).[4]. inches. With its small gondola-like cabin attached under a massive float, the Trieste looked the part. It depends on the size of the storage tank, the location of the gas station, demand, and other factors. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. This is when the tank is permanently closed with one of the following methods: Filling the tank with a substance like polyurethane foam is a popular option since its lightweight, eliminates health hazards, and strong enough to keep the tanks structural integrity intact. He holds a degree in mechanical engineering and has spent years working as a mechanic and engineer for some of the worlds top car companies. 9 Pros and Cons to Consider, 8 Home Remodeling Projects to Boost Your Property Value in Columbus. What Is a Food Desert? But youll want to check your state and local laws first and be as transparent as you can with potential buyers. In 5e D&D and Grim Hollow, how does the Specter transformation affect a human PC in regards to the 'undead' characteristics and spells? 1996 - 2023 National Geographic Society. So, Airucate explained, most pilots prefer to transport more travelers even at the cost of filling their fuel tanks. As a result, it takes these large tank trucks around 20-30 minutes on average to fill up a gas station. Then the craftsmen must determine the thickness, temper and alloy of the sheet he will use to make the tank. Moisture gets in as humid air is sucked in as the fuel is used. When you're filling up do not squeeze the trigger of the nozzle to the high setting. ), 4. The external tank held 535,000 gallons of propellants -- 390,000 gallons liquid hydrogen and 145,000 gallons liquid oxygen -- which fuel space shuttle main engines through 17-inch-diameter feedlines. This magnetic system allows the bathyscaphe to ascend even in the event of a power failure.ExplorationThe bathyscaphe can descend farther and faster into the ocean than its predecessor, the bathysphere. Provide a method for determining level of fuel in tank. Seems counter intuitive you'd stick an electrical device into something as flammable as gasoline, but it works just fine because there's not enough oxygen in the tank to allow ignition.

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