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T58-GE-3 turbine

Here's a brief look at the history of the General Electric T58 Turbine Engine

The T-58 gas turbine engine was a pioneer in many areas. It was the first high-performance, axial-flow gas turbine engine designed specically for powering helicopters. In the 1950's, current 'precision forging' techniques were found to be inadequate because the T-58 blades were just too small and clearances too precise. General Electric engineers invented the 'pinch and roll' process to mass produce the small blades in sufficient numbers required for production of this new power plant. In 1959, the T-58 powered SH-3A Sea King was the first helicopter to fly faster than 200 mph and went on to break a number of other flight records. In 1960 Los Angeles Airways launched a fleet of T-58 powered helicopters as the first gas turbine powered helicopters to be used for scheduled commercial service.

In the early 1950's, General Electric was awarded a 3 million dollar contract by the US Government to develop a next-generation lightweight, affordable and reliable power plant for rotary winged aircraft. Under a secret program named the XT-58, this "baby gas turbine" powerplant was to weigh a mere 400 pounds and was required to produce 800 SHP. This was quite an engineering feat when you consider this was during a time before the automated tooling and exotic metals widely available today.

XT58-GE-2 turbine engine powering the SH-34H

A pair of GE XT58-GE-2 turboshaft engines powered the first flight of a Sikorsky SH-34H Sea Bat in January 1957.

The original XT-58 looks much as it does today.

XT58-GE-2 turbine engine

Born of this program, the T58 turboshaft engine broke new ground by powering the first US jet helicopter. The T58 continues to lead the industry today with a long history of 'firsts'. The T58 was there providing power to the Sikorsky Sea King helicopter when it recovered the Apollo astronauts. The T-58 turbine still powers Marine One, the U.S. President's official helicopter as it has since President John F. Kennedy was the (respected) leader of the free world. Continuously updated and improved, the T58 has a long and colorful history as one of the most reliable helicopter engines ever produced.

T-58-GE-5 turboshaft

Early turbine helicopters flew the T58-GE-1 Turbine Engine

GE T-58 turbine engine

In 1962 Sikorsky began production of the CH-3B 'Sea King' powered by twin T58-GE-1 turbine engines.

In the early CH-3B Sea King Helicopters, the T58-GE-1 was rated at 1,050 HP.

GE T-58 turbine engine

T-58-GE-5 turboshaft

Next came the T58-GE-3 Turbine Engine

GE T-58 turbine engine

Since the US Air Force had many T-58 turbines already, they ordered the UH-1F Helicopter to be configured with a single T58-GE-3.

The UH-1P is powered by a single T58-GE-3 de-rated to 1100 HP.

T58-GE-8F turbo-shaft
GE T-58 turbine engine

In 1966 Bell built a little known prototype called the X-22. It was a bizarre design powered by four T58 gas turbines in an attempt to combine the vertical flight capabilities of a helicopter with fixed wing performance. The four General Electric T58 turbojets were mounted mid-cord in the rear wing and drove four Hamilton standard props in tiltable ducts through a complex system of shafts. It was scrapped after an inflight malfunction and subsequent"hard landing".

The T58-GE-3 also powers the Bell Iroquois TH-1F, and XH-48.

More details of the T58-GE-3 turbine engine can be seen here.

We have T-58 & Rolls Royce Gnome gas turbines available to power your project.
We also have starters, manuals, instruments, and gearboxes for T-58 and Gnome gas turbine engines.


The T58-GE-5 turbo-shaft engine has increased power

S-67 Blackhawk

The S-67 Blackhawk is an attack helicopter powered by two T58-GE-5 engines rated at 1500 HP each.

The HH-3E, unofficially known as the Jolly Green Giant is a twin-engine, heavy-lift helicopter featuring a pair of T58-GE-5 turbines.

HH-3E Helo
Piasecki 16H-1 Helicopter

In the early 1960's a prototype of the Piasecki 16H-1 was flight tested with a T58-GE-5. Between 1966 and 1980 General Electric delivered 607 gas turbines of this version.

Purchased by the US Coast Guard in 1962, the HH-3F Pelican is well suited for search and rescue.

US Coast Guard HH-3F Pelican
US Coast Guard HH-3F Pelican

The HH3F Pelican was the workhorse of the US Coast Guard. Serving from the early 1960's until well into the late 1990's, the Pelican is credited with saving 23,169 lives and assisted 65,377 others.

With a speed of 142 knots and a maximum range of 650 nautical miles, the HH-3F was well suited to its amphibious, all weather search and rescue duties. A common phrase among USCG Aircrewman is "Only God has saved more lives".

Piasecki 16H-1 Helicopter
US Coast Guard HH-3F Pelican

Here's another fine example of the HH3F Pelican serving as a 'Coasty' Search and Rescue helicopter. When lost or in distress, a Pelican hovering overhead is the most beautiful site imaginable.

Don has flown over 2500 hours as a USCG Aircrewman in this aircraft. Thank you for your service Don.

US Coast Guard HH-3F Pelican

General Electric T-58 Turbine Engine Fuel and Lube Oil Requirements

T-58-GE-8F turbo-shaft

About the T58-GE-6 turbine engine

UH-3H Sea King

A pair of the T58-GE-6 turbines powered the HSS-2 which went into service for the US Navy in 1961.

The T58-GE-6 is rated at 1,050 HP. In 1962 the HSS-2 was redesignated the SH-3 Sea King.

CH-113 Labrador

T-58-GE-8F turbo-shaft

Next came the T58-GE-8 turboshaft engine

On 6 March 1965, a Sikorsky SH-3A Sea King helicopter (powered by a pair of GE T58-GE-8B turbines), piloted by Cmdr. James R. Williford, took off from USS Hornet (CVS 12) berthed at Naval Air Station North Island in San Diego, and landed 15 hours, 51 minutes later on the deck of Franklin D. Roosevelt at sea off Mayport, Florida. This historic flight broke the previous helicopter distance flight record by more than 700 miles.

UH-3H Sea King

The amphibious SH-3A Sea King uses a pair of T58-GE-8B turbines for power, was the first helicopter to incorporate an automatic blade fold system and was the first helicopter to fly faster than 200 mph.

Powered by dual T58-GE-8F turbines, the twin-rotor, Canadian search and rescue (SAR) helicopter CH-113 Labrador was a used in air-marine rescue operations from 1962 until 2004.

CH-113 Labrador
H-46 Sea Knight

The CH-46A has a counter-rotating tandem rotor configuration where either of the two T58-GE-8B turboshaft engines can drive both rotors in an emergency.

The amphibious SH-3G can carry up to 15 passengers plus crew.

H-3 Sea King
T58-GE-8 gas turbine engine

Here's a closer look at a pair of T58-GE-8 gas turbine engines in the photo on the left. Standing on the storage cart is a T58-GE-8B turboshaft engine (to the left on the flag) and a T58-GE-8F engine (to the right of the flag). Both views are of the underside of the engines. The commercial derivitive of the T58-GE-8 gas turbine is the CT-58-GE-110.

Danger Turbine Engine Testing Area

More details of the T58-GE-8F turbine engine can be seen here.


The T58-GE-10 turbine engine powers several helicopters

H-46 Sea Knight

The H-46 Sea Knight has served the US Marine Corps for nearly 35 years. From Vietnam to Desert Storm the "Frog" has been the Marine's front line medium-lift assault helicopter and is scheduled to be replaced by the V-22 Osprey. The CH-46D Sea Knight is powered by a pair of 1400 HP T58-GE-10 turbines. General Electric delivered 1,507 of these gas turbine engines between 1966 and 1984.

The SH-3D Sea King (along with the SH-3H Sea King and S-61D Sea King) are powered by twin T58-GE-10 turbines. The commercial version of this engine is called the CT58-140.

SH-3H Sea King

Incidentally, the US Navy uses a figure of $271,317 as replacement cost for mishap reporting the loss of one T58-GE-10 turbine engine (CY 2006).

The General Electric T58-GE-10 powers the Sikorsky Sea King models SH-3D, SH-3H, UH-3H, VH-3H, VH-3H, YSH-3J, HSS-2A,
and the Boeing Vertol Sea Knight models CH-46D, HH-46D, and UH-46D.

The Gnome turbine engine is produced by Rolls Royce under license from General Electric. Similar to the T-58, the Rolls Royce Gnome is marketed overseas.

T-58 turbine

The improved T58-GE-16 turbo-shaft engine supports the fleet

H-46 Sea Knight

The US Marine Corps updated about 350 CH-46D Sea Knight airframes and re-designated them as the CH-46E . These aircraft have improved avionics, hydraulics, drive train and a pair of upgraded 1870 shp T58-GE-16 turbines.

The CH-46D Sea Knight serves the US Navy and US Marine Corps, featuring a range of 320 nautical miles and speed of 134 knots.

H-46 Sea Knight


The T58-GE-400B turbo-shaft engine powers the VH-3D

VH-3D Sea King Executive Transport

The VH-3D Sea King is a twin engine, all-weather helicopter flown by Marine Helicopter Squadron One (HMX-1). Under the call sign "Marine-1" (while the President is onboard) the VH-3D supports the executive transport mission for the President of the United States.

T58 turbine

The T58-GE-402 turbo-shaft engine powers the latest H-3

SH-3H Sea King

Sikorsky modified the SH-3G to improve asw performance, added ASMD (Anti-Ship Missile Defense) capability and re-designated it as the SH-3H Sea King.

The amphibious UH-3H Sea King is utility configured for logistical support and search and rescue missions. I made two WestPac deployments aboard the USS Constellation with this HS-6 helicopter. It was a comforting sight to see the "Indians" flying in the 'plane guard' position to the starboard of the island. That meant if you got blown off the flight deck it would only be a matter of minutes until you were rescued.

UH-3H Sea King SAR Helo

T-58-GE-8F turbine

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