The T-58 Turbine Engine has been powering helicopters for over 50 years. Repairing the composite transom on my Kevlar Race Boat. A tour of the Speed Decreaser Gear (SDG) for the T-58 gas turbine engine. A closer look at the T58-GE-3 Turbine Engine. I reworked my triple axle ‘South Florida Trailers’ and tow vehicle. Checkout this unusual Aqua Car