Cold weather survival,emp protection materials 9th,emp pulse protection zone - 2016 Feature

Use these free images for your websites, art projects, reports, and Powerpoint presentations! So like many people you probably notice you get worse gas mileage in the winter than in the summer.
When your oil and oil pan are cold your oil becomes sticky and takes more energy to pump through the engine. Gas doesn’t like to vaporize at colder temperatures so oil companies change the gasoline blend  differently for cold weather markets.
Karl, good idea I actually started doing that recently to help eliminate causes for my lower MPG during the winter. The number of fuel molecules per cubic volume is much higher in cold weather than warm, as is the oxygen density in air. Chuck, fuel density is higher in cold weather you are correct but that actually would mean you are using more fuel when its’ cold. Actually, it means that the energy density of a gallon of gas is much higher in Winter than in Summer.
Again you are refereeing to something that has no bearing on warming an engine What does the cooling system have to due with warming? Chuck you are dismissing the fuel needed to achieve ideal operating temperature when the engine is below 68°.
Actually raise your concern about the cooling system and water pump at colder temperatures. The main issue is still the radiator bleeding off the heat the engine needs, and the thermostat staying mostly closed because of the coolant cooling off so quickly.
That drag on the coolant pump requires the engine to work harder to keep spinning the serpentine belt on the front of the motor, which contributes to the loss of fuel economy that you are seeing.
Until a modern engine comes to temp it runs rich to heat up the emissions system, hence the lower temp it starts the more fuel it uses. Actually this is the recommended advice for modern vehicles with electronic fuel injection. Enter your email address to subscribe to this blog and receive notifications of new posts by email.
In cold weather fuel does not vaporize very well in the combustion chamber and this makes starting difficult. Using the decompression lever on a diesel engine will open up the exhaust valve and keep it open so you can crank faster. Gasoline engines that use a carburetor also suffer from difficult starting on cold weather.
Using Engine Starting Fluid is a very effective method to starting both gas and diesel engines in sub zero temperature. Batteries that are weak may not crank the starter motor fast enough to start a cold engine.


The warmer the engine oil is, the thinner it will be and have less resistance to moving engine parts. After starting the generator on a cold day, allow the engine to warm up a few minutes before putting it under load.
Most modern cars with computerized management systems for the engine will order up more gas in the combustion camber to compensate.
These changes make gas work better in the winter and at colder temperatures but it unfortunately also decrease MPG’s.
I definitely notice less gas mileage during the winter months and I just kept blaming it on the tire inflation. It means that your engine will develop the same power output at a lower throttle setting, using less fuel to do so. They obviously generate more waste heat than is necessary to maintain an optimal CHT, hence the need for water pumps, radiators, oil coolers, etc.
That combined with all the other factors listed averages to a 22% loss in fuel inefficiency.
A much better option to idling is driving while keeping revs below 2500 RPM for the first 5 minutes. Seconds later you release the valve and the momentum of the engine often results in higher compression and speed necessary for starting under difficult conditions.
The cold air and cold cylinder walls prevent the fuel from vaporizing correctly to permit combustion. This starting fluid has a low freezing point and easily ignites even at temperatures as low as -65 F Many starting fluids have added lubricant and anti-corrosive additives. Make sure you are using the proper viscosity oil recommended for your engine for cold temperatures.
Proper engine operation temperatures assure more efficient fuel combustion and may prevent damage to cold engine parts. So if your tires are under inflated by just 3 psi your car would go from getting 22 mpg to 21.7 mpg. A vehicle’s aerodynamic drag is proportional to air density, and the density increases as temperature drops. So actually, it means that you burn fewer gallons of gas to create the same amount of power in Winter.
If you are starting at a lower temperature you must then use more energy to reach optimal engine temps of 150°-195°. So that means when it is cooler outside, the engine has to expend less energy running a water pump, the electric fan, etc. If you have research or studies that refutes that automobile get lower fuel economy at lower temperatures I’m willing to listen. Diesel Fuel has some naturally occurring paraffin (wax) and as the temperature drops, this paraffin crystallizes and affects the fluidity of the fuel and may cause hard starting and eventually lead to filter plugging.


A battery that has all of its power available at 80 degrees F will have only about 46% available power at 0 degrees F.
If you cannot store engines inside or in a heated area, consider installing a block heater on the engine. Engine oil flows more readily at operating temperatures and allows proper lubrication of engine parts and areas. Since last year when I got a new car which now keeps track of it for me right in the on-board computer. Cars also will idle at higher RPM’s to warm the engine up faster in cold temperatures versus warm, which also uses more gas. Plus if you have automatic AWD or 4×4  and it kicks in while on slick roads you are using more gas.
Most of my information was pulled from engine manufactures and automobile companies and oil companies websites. Please point out specific reasons or references that dispute these facts and I will correct accordingly. The colder it gets, the longer those glow plugs need to stay on to preheat the combustion chamber for a smooth start. Plus, the engine will be 2.5 times harder to start at 0 degrees due to thicker oil and resistance to movement of internal moving parts. To save time and electricity, put the block heater on an electrical timer set to come on a couple of hours before you plan to start the generator. Another problem is people will leave their cars running more to keep warm, thus burning more gas as well.
In effect, an engine is about five times harder to start at 0 degrees F than at 80 degrees F. In fact depending on your make and model of car your mileage could drop by as much as 20-28% from summer warmth to winter cold. Test weak or suspicious batteries under load before cold weather to help eliminate potential problems during busy times. Though I don’t know a single person who has one, so those people are in the minority. If batteries need replacement, always replace with a battery equal to or more powerful than the original battery.



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