The General Electric T700 and CT7 are a family of turboshaft and turboprop engines in the 1,500–3,000 shp (1,100–2,200 kW) class. In 1967, General Electric began work on a new turboshaft engine demonstrator designated the "GE12" in response to US Army interest in a next-generation utility helicopter. [2] .

The CT7-8 is a family of powerful engines in the 2,500 to 3,000 shp class designed to meet the demanding mission needs of modern medium lift helicopters throughout the world. From executive transport, search and rescue, passenger transport and oil and gas operations, the CT7-8 delivers reliable power when you need it.

Combat proven in the world's harshest environments, the T700/CT7 is the engine of choice for the world's most demanding military and civilian applications. Developed in response to the United States Army’s requirement to deliver added power and improved field maintainability, more than 25,000 T700/CT7 engines have now surpassed 100 million ...

2019年3月25日 · The newest member of GE’s CT7 engine family, the CT7-2F1, achieved type certification by the Federal Aviation Administration. This milestone is a big step forward for entry into service of the CT7-2F1-powered Bell 525 Relentless, the world’s first fly-by-wire commercial helicopter, designed to operate safely and reliably in austere ...

T700的商业版本是“CT7”，当引擎使用在 响铃214ST (Huey的一个扩大的版本)，商业黑鹰，和 Sikorsky S-92 黑鹰的衍生物，是双发动机直升机。 也有CT7的 涡轮螺旋桨发动机 版本。

压气机源于GE公司的T700/CT7涡轴发动机，采用了与GE9X发动机相同的三维空气动力学设计，有4个轴向级和一个离心级，采用全钛合金制造，具有质量轻的结构特点。 随着设计优化，其压气机由最初的一级可调静子叶片改为两级可调静子叶片，可以更好地调整压气机工作状态，增大级增压比。 与同级别涡桨发动机相比，Catalyst发动机的总增压比几乎增加了1倍，达到了16∶1，这将有助于飞机在完成同一任务时消耗更少的燃料，获得更多的动力，飞行更远的距离。 燃烧室 …

2004年7月19日 · The CT7-8C, currently undergoing maturation testing, is the newest and most powerful engine in the T700/CT7 family. Selected to power Sikorsky's new H-92 Superhawk helicopter, the 3,000-shp-class CT7-8C produces 20 percent more power than the CT7-8, but it fits in the same installation bay.

2004年2月24日 · The CT7-8C, the newest and most powerful CT7 turboshaft engine, was selected in June to power the new Sikorsky H-92 Superhawk helicopter. Rated in the 3,000-shaft-horsepower (shp) class, the CT7-8C produces 25 percent more power than the CT7-8 and 85 percent more than the original T700-GE-700.

GE's successful T700/CT7 family of turboprop and turboshaft engines powers 25 types of helicopters and fixed-wing aircraft with more than 130 customers in more than 50 countries. Built on the highly reliable T700, the CT7 engine design has proven itself in harsh environments and has achieved over 37 million engine cycles.

With more than 1,500 engines delivered to date and 30 million flight hours logged, the CT7 turboprop continues to prove its mettle with operators worldwide. GE's successful T700/CT7 family of turboprop and turboshaft engines powers 25 types of helicopters and fixed-wing aircraft with more than 130 customers in more than 50 countries.