The most important part of a high-performance inset light is a prism in excellent condition.
Damage is caused by:
Jet Blast is the process of fast air circulation, generated by the steel turbines, before and during the aircraft takes off. During this process quartz containing sand particles are thrown -with high pressure- on the inset-lights and damage their surface.
Cohesion & Adhesion
Inset-lamps will be influenced through the interaction between different weight forces. Strong physical pressure and suction forces could arise an will lead to leakage of the inset-lamps.
Light measurements shows, that extreme weather conditions have an devastating effect on the luminosity of the inset-lamps. When de-icing salt is used in winter, chemical strain attack the prism surfaces. The result is an oxidation of the inset-lights, loosing their full luminosity.
By a fine optical polish, which is possible for up to 5 times, the prisms regain their full power.
Such challenges attack the surface of the prism and lead to loss of performance. The results are bad values concerning the light measurement.
Based on the experience of the last few years, we have succeeded in putting our prisms in a new state. As the light measurements on the underfloor power fires in the past years have shown, we reach the values of a new fire of the respective manufacturer. In particular, the prism cut developed by us plays a decisive role here.