Fuel Tanks

The Fuel System:

Fuel Tanks

The fuel tank is for storage of gasoline in liquid form. The location of the fuel tank is dependent upon using an area that is protected from flying debris, shielded from collision damage, and not subject to bottoming of the vehicle. A fuel tank can be located just about anywhere in the vehicle that meets these requirements.

General Construction

The removable fuel tank is the most common in use. The most common material for fuel tanks is thin sheet metal coated with lead-tin alloy to prevent corrosion. Because corrosion is a major concern, fiberglass and a variety of molded plastics are also widely used in the manufacture of fuel tanks.

FIGURE 1. TYPICAL REMOVABLE FUEL TANK CONSTRUCTION.

The walls of the tank are manufactured with ridges to give strength. Internal baffles are installed in the tank to prevent the fuel from sloshing and to increase its overall strength. Some tanks are made with a double wall with a layer of latex rubber in between. The purpose of the wall is to make the tank self-sealing.

The fuel cell is a compartment that is integral with the body or the hull of the vehicle. Fuel cells can be located anywhere there is an empty space. They are used in vehicles that require a large fuel storage capacity. A fuel cell can take advantage of hollow areas of the vehicle where use of a removable fuel tank would be impractical. Fuel cells are particularly suited for combat situations because they may be located in areas that provide a maximum of shielding.

The bladder-type fuel cell is much the same as the fuel cell described above, except for the addition of a flexible liner. The liner serves to seal the cell much as an inner tube seals a tire.

Filler Pipe A pipe is provided for filling the tank or cell, designed to prevent fuel from being spilled into the passenger, engine, or cargo compartments. The filler pipes used on military vehicles are designed to allow their tanks or cells to be filled at a rate of at least 50 gallons per minute.

Fuel OutletThe outlet pipe (figure 1) is located approximately 1/2 inch above the bottom of the fuel tank or cell. This location allows sediment to fall to the bottom of the tank or cell without it being drawn into the fuel system.

Fuel Gage Provision Fuel Gage Provision. A provision usually is made to install a fuel gage. This provision is usually in the form of a flanged hole.

Fuel Tank Drain Plug The threaded drainplug shown in figure 1, is provided at the bottom of the tank for draining and cleaning the tank

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Article Pages
1. Introduction
2. Introduction To Gasoline
3. Fuel System Introduction
4. Fuel Tanks
5. Fuel Filters
6. Fuel Pumps
7. Fuel Tank Ventilation Systems
8. Intake Manifold
9. Air Filters
10. Principles Of Carburetion
11. Basic Carburetor Construction
12. Systems Of The Carburetor
13. Fuel Injection Introduction
14. Multiple Unit Injection Pump System
15. Unit Injection System
16. Distributor Injection System
17. Pressure Time System
18. Supply Pumps
19. NEED TO MOVE ARTICLE
20. Fuel System Inspection
21. Air Induction
22. Supercharging
23. Supercharger Systems And Pumps
24. Rotating Compressors
25. Inspection Of Compression Ignition Engine Fuel Systems
26. Inspection Of Fuel System Components
27. Inspecting A Malfunctioning Vehicle
28. Introduction To Diesel Engine Fuel Systems
29. Introduction To Diesel Fuel
30. Introduction To Diesel Fuel System Design
31. Diesel Engine Combustion Chamber Design
32. Diesel Engine Fuel Injection System
33. Diesel Engine Fuel Pumps
34. Diesel Engine Governors
35. Diesel Fuel Injection Pump Timing
36. Cold Weather Starting Aids
37. Diesel Fuel Filters
38. Diesel Engine Brake Systems

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