Snowcat

BEHAVIOR

Drives nimbly over snow and other soft surfaces that would defeat a wheeled vehicle.

HABITAT

Seen grooming ski slopes and hauling people and equipment in polar regions. A mainstay for ground-based polar research.

HOW IT WORKS

There are many variations of the basic design. Tucker Sno-Cats use

four sets of tread, while other manufacturers use two. The front two

tracks provide steering on the Tuckers. Two-belt models typically use

brakes to steer: the driver applies the brake to the side that he wants to turn toward.

Wide rubber belts are mounted on a fiberglass housing or on a series of pulleys that guide and tension the belt. The belts spread the load (upward of a couple of tons) over a large area so the pressure exerted on the surface is less than a pound per square inch. A drive sprocket coming from the transmission drives the belts.

INTERESTING FACTS

When Sir Vivian Fuchs led the first expedition to cross Antarctica (1957–58), he used four Tucker Sno-Cats. The machines ran at temperatures down to –70° F and gobbled gas at 1.5 miles per gallon while hauling sleds behind them. The first motorized sled was patented in 1916 by Ray H. Muscott, #1188981. Muscott’s model used skis on the front and tracks on the back.

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A field guide to automotive technology

Ed Sobey

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Tip - Check the Oil and Water Radiator

You've upset with the performance of your car engine? If yes, then from now you should be more concerned. For more diligent care, the possibility of car crashes in the middle of the road is also small.

Caring for the car is tricky. But if you are patient and have discipline, you can do it yourself, do not always have to be fully handed over to the mechanic.

There are several things that must be examined and considered in conducting their own care. First, you must diligently examine it carefully grease (oil) engine. The trick, pull the oil stick. Make sure the oil is at full mark.

If the oil is less, can be added up to a full mark. Not only that, the oil could be due to reduced oil leaks. For a time that you also look down. If there is seepage of oil, means that there are components that are damaged.

Screening also can be done by looking at the floor, where the car was parked. If there no trace of oil, then do not let the condition persist.

The next step feel with your fingers the oil viscosity. If it still looks clear and thick, do not rush to change the oil even if the distance exceeds 5,000 km. Conversely, if it looks watery and cloudy, oil immediately replaced with new ones, although the distance is still less than 5,000 km.

It can be caused by a jammed traffic conditions. So even though the car in the condition of stationary or moving slowly, but the engine continued to burn.

Do not forget to replace the oil filter. Replacement can be done every two times to change the engine oil or depending on the condition of your car.

After the oil affairs in order, beralihkan into water cooling radiator. Also make sure the water is always at the full rate (full). When reduced, immediately add. If it runs out of water, then the engine temperature can be high, the car was crashed.

If the above methods you may have applied, at least, reduced the risk of car crashes. You can waltz on the road with ease.

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