UniLight 92mm Ring, Short - OrangeUniLight Afterburner Ring 92mm Short EDF RINGX 92 OR The short Ultra Power afterburner rings are based on the same emitter technology and on the specially manufactured aluminium core PCBs, but waive the cooling ducts to save size and weight. They have a lower performance in order to enable normal operation for the model. This is basically implemented by a puposely thin cable. The rings may only be operated permanently about 1 minute and therefore, the