"Larry Jaques" wrote in message
news
On Mon, 7 Dec 2015 18:07:24 -0500, "Jim Wilkins"
wrote:

"Ed Huntress" wrote in message
. ..
On Mon, 07 Dec 2015 15:53:05 -0500, wrote:

it's got permanent magnets in it, it is DEFINITELY a DC motor

Well, if one wants to get fussy, small AC synchronous motors also
are
made with permanent-magnet rotors. But there is a starting issue
and
some other complications that suggest this case is not one of
those.

--
Ed Huntress

The Segway uses three phase AC motors with extremely strong
permanent
magnet rotors.
http://www.urbandharma.org/udharma5/segway.html

Have you seen the new, improved version? Much cheaper.
http://tinyurl.com/paakapy


The toy robot versions we built for fun were cheap too, but not safe
to ride.
http://www.amazon.com/Wow-Wee-MiP-Ro.../dp/B00I2VBH6U