S.S. White® Technologies Inc.


Thrust Reverser Actuation System (TRAS)

A "thrust reverser" is used in turbine engine aircrafts to slow the plane down after landing.

The thrust reverser redirects the exhaust from the engine by positioning deflectors at the rear of the turbine. These deflectors change the direction of thrust, slowing down the aircraft.

S.S. White makes Flexible Shafts for Thrust Reverser Actuation Systems (TRAS) consisting of four Flexible Shafts. They synchronize and connect the actuators and open both halves of the thrust reverser and lock the system while in flight.



Variable Bleed Valve System

S.S. White Flexible Shafts control safety actuators installed in a “loop” configuration around the engines found on 737 Commercial jets as well as A320 and A340 jets. The Variable Bleed Valve system consists of 11 flexible shafts and accompanying valves and actuators. The actuators operate like doors that open and close to adjust the bleed through the engine, essentially controlling airflow quantity to the HP compressor. They are designed to prevent low pressure compressor surges by bleeding compressor flow to the fan duct in response to a pressure signal from the fuel control. They are fully open during rapid accelerations and reverse thrust operation.



F100 Vane Actuation System - Afterburner Nozzle Control

An afterburner is comprised of a set of fuel injectors, a tube, a flame holder that the fuel burns in, and an adjustable nozzle. A jet engine with an afterburner needs an adjustment nozzle to turn the afterburners on and off. The S.S. White flexible shaft provides positive, mechanically synchronized control of this actuator system controlling the afterburner nozzle.





Space Station Manual Override

A space station has many elements that connect to make up the complete station. The node is one of these elements and it is responsible for controlling and distributing resources between other connected elements of the station such as the crew return vehicle and habitation module. This node also houses redundant key environmental control and life support systems (ECLSS) for oxygen generation, crew hygiene, waste management and water processing. If the electrical system for the space station fails, the S.S. White flexible shaft, operated by hand crank, allows the astronauts to manually override the system.



The Canopy of fighter jets is the clear dome that is located on the top of the fighter jet essentially acting as a windshield for the plane. The canopy is also the point of entry/exit for the pilot. The S.S. White Flexible shaft drives the actuator that enables the canopy to open and close.





Flap & Slat Actuation Systems

The configuration of a flap and slat control system is very similar. Each surface is driven by two linear actuators which are connected to a transmission system centrally controlled from a power drive unit. The S.S. White flexible shaft drives the actuators that enable the flap and slats to extend and retract.

Slat and flap surfaces extend to increase wing area and lift at low speeds and retract to reduce wing area and drag at higher speeds thus increasing efficiency.



AC130 Magazine Drive Shaft

The AC130 is considered to be one of the most formidable airborne weapons platforms used today by the US forces. With side firing capabilities, the AC130’s primary mission is to provide close air support and force protection. The AC130’s side firing weapons are integrated with high-level sensor, navigation and fire control systems. It is armed with two M61 20mm Vulcan cannons, one L60 40mm Bofors cannon, one M102 105mm howitzer and one 25mm GAU-12 Gatling Gun.

The S.S. White flexible shaft, used as a drive shaft on the 25mm GAU-12 Gatling Gun, feeds the ammunition into the cannon to maintain its 1,800 round per minute capacity.



JSTARS Radome Drive

The JSTARS, Joint Surveillance Target Attack Radar System, is an airborne battle management, command and control, intelligence, surveillance and reconnaissance platform. The JSTARS operates to provide ground and air commanders with surveillance to support attack operations of enemy forces. The phased-array radar antenna is encased in a 26-foot canoe-shaped Radome under the forward part of the fuselage. The radar provides all targeting and battle management data to all Joint STARS operators. The S.S. White Flexible Shaft drives a precision encoder to accurately position the Radome for data acquisition.


V-22 Osprey Rescue Hoist

The V-22 Osprey is considered to be the most flexible, capable and revolutionary combat troop transport aircraft in the world. The V-22 can take off and land like a helicopter but convert to a turboprop airplane while in flight. A tilt rotor combines the speed, range and fuel efficiency of turboprop airplanes with the vertical take-off/landing and hover capabilities of a helicopter. The aircraft’s rotors can fold and the wings can rotate so it can be stored on an aircraft carrier.

Among the many features the V-22 Osprey is equipped with is a Rescue Hoist attached to the plane that can be lowered should the need for rescue be necessary. The S.S. White Flexible Shaft drives the Hoist translating drum.

Aircraft Scavenger Pump

Aircraft scavenger pumps located in the engine of jet aircrafts drain oil from various parts of the engine. S.S. White Flexible Shafts used in this application drive a lubrication scavenger pump on an aircraft jet engine, operating at 800°F and 7450 RPM. Made from Inconel, it handles a normal load of 1/3 to 1/2 HP.