by Jamshid
In early 80s EMD introduced its Supper series creep control system on GP50 and SD50 models although this system was buggy and 50 series failed because of many problems which one of them was buggy creep control system but it brought about a robust generation of control systems with creep control ability. (I mean END EM2000 And EAS1000 control systems.)
Today along with EMD there are many companies who produce retrofit kits to upgrade old locomotives (with DC traction motors) to creep control enabled systems. ( for instance ZTR BOA and ELECON TOPS systems) and proclaim that the adhesion coefficient can be increased about 50% with their products .
Following this long introduction I have some questions about GE locomotives:
1. Do -7 , -8 or –9 locomotives have such a creep control system?
2. Is there any third party company who has manufactured these retrofit kits for GE locomotives?
Today along with EMD there are many companies who produce retrofit kits to upgrade old locomotives (with DC traction motors) to creep control enabled systems. ( for instance ZTR BOA and ELECON TOPS systems) and proclaim that the adhesion coefficient can be increased about 50% with their products .
Following this long introduction I have some questions about GE locomotives:
1. Do -7 , -8 or –9 locomotives have such a creep control system?
2. Is there any third party company who has manufactured these retrofit kits for GE locomotives?