![]() Many fuel tanks' baffles (particularly in aircraft and racecars) contain lightening holes. After the sheet is cut to the shapes needed, various pieces are bent to create the basic shell and/or ends and baffles for the tank. Then the craftsmen must determine the thickness, temper and alloy of the sheet he will use to make the tank. Next, design issues that affect the structure of the tank areĪddressed - such as where the outlet, drain, fluid level indicator, seams, and baffles go. ![]() The craftsman generally creates a mockup to determine the accurate size and shape of the tank, usually out of foam board. #Etank system backup seriesConstruction of fuel tanks follows a series of specific steps. These include custom and restoration tanks for automotive, aircraft, motorcycles, boats and even tractors. While most tanks are manufactured, some fuel tanks are still fabricated by metal craftsmen or hand-made in the case of bladder-style tanks. In the U.S., Underwriters Laboratories approved (UL 142) tanks would be a minimum design consideration.įuel tank for the Apollo Lunar Module, 1960s Emergencies aside, HDPE plastic is suitable for short term storage of diesel and gasoline. The flammability of fuel makes stress cracking a possible cause of catastrophic failure. Plastic ( high-density polyethylene HDPE) as a fuel tank material of construction, while functionally viable in the short term, has a long term potential to become saturated as fuels such as diesel and gasoline permeate the HDPE material.Ĭonsidering the inertia and kinetic energy of fuel in a plastic tank being transported by a vehicle, environmental stress cracking is a definite potential.
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