On first viewing you can see the rotor lamination pack on the left-hand side, then the cage extended to a length greater than the lamination pack

Have you ever seen one of these motors before?

On first viewing you can see the rotor lamination pack on the left-hand side, then the cage extended to a length greater than the lamination pack, there are air agitation fins on the extended cage and what looks to be another alloy cladding the extended cage. I’ve had 35 years in and around the motor repair business and this was …

DC-Machine-Overspeed-Fletcher-Moorland

Overspeed on a series wound DC machine, a lesson learnt

Speeding is a real problem! Well, it seems we generated a great deal of interest with our post on Linkedin regarding an accidental over speed of a DC motor we had repaired back in 2017. Just last week, I posted a photo of a DC motor armature after it had been accidentally overspend, after we had rewound it. Here’s the …