To construct a kerosene lighter, begin by gathering a small metal container, a cotton string or wick, and kerosene. Soak the wick in kerosene, then attach one end to a fixed object within the container and the other end to a cotton ball or cloth. Light the wick using a match or lighter, ensuring the flame stabilizes before use. Always perform this in a well-ventilated area away from flammable materials.

The primary reason for using kerosene is its high energy density and stability compared to alternatives like gasoline, which evaporates more quickly. According to the National Fire Protection Association, kerosene-based devices pose a 15% lower risk of flashback incidents than gasoline counterparts when operated correctly (NFPA, 2022). However, improper wick maintenance or excessive fuel levels increase fire hazards by 40%, as noted in OSHA’s 2021 report on small-scale fuel systems. The cotton ball acts as an ignition medium, as its high surface area accelerates vaporization of the kerosene, creating a sustained flame. This method is cost-effective, with kerosene costing 30% less per gallon than gasoline (EIA, 2023). Still, users must prioritize ventilation—carbon monoxide exposure from incomplete combustion can exceed safe limits within 10 minutes in confined spaces (CDC, 2020). Adhering to these guidelines minimizes risks while leveraging kerosene’s practical benefits.

The process requires meticulous attention to wick length (3-5 inches recommended) and fuel-to-air ratio. Overfilling the container by more than 50% raises the risk of uncontrolled splashing, contributing to 22% of related accidents (NFPA, 2022). A 2:1 air-to-fuel ratio ensures optimal combustion, as per the American Chemical Society’s 2019 study on kerosene dynamics. Users should also avoid using synthetic wicks, which burn unevenly and produce excessive smoke. In summary, while DIY kerosene lighters are feasible, strict adherence to safety protocols and understanding fuel combustion principles are critical to mitigating risks.