제가 이번에 발화장치를 만들려고 하는데 힘드네요 대충 전지 직렬로 4개정도 잇고 전선에 샤프심 끼워서 라이터 오일에 불붙게 하려는데 빛만나고 기름에 불이붙진 않네요ㅠㅠ  어떻게 해야지 성공적으로 점화가 될까요???  방화쪽이 아니라 동아리서 쓸겁니다ㅎㅎ...