Quote from: belstone on June 18, 2016, 03:32:16 PM
Coreless motors are handy because they are very small, but their main "advantages" seem otherwise to be related to efficiency - low current draw and low starting voltage. 

Not for me. The main advantage is no cogging between motor poles. Key for smooth slow starting.

Quote from: belstone on June 18, 2016, 03:32:16 PM
You'd have to be very worried indeed about global warming to think a motor drawing 20ma is "better" than one drawing 100ma, and low starting voltage (0.8v to get my 2MT moving) is the exact opposite of what you want in an N gauge locomotive on DC control. So I'm not overly excited by them.

Current consumption is important for motor heating, which can cause massive problems. It's also a good early indicator of a motor developing problems, and I've used that on many occasions to identify locos that need work. The higher the current the worse the commutator arcing and therefore wear also.

Cheers,
Alan