dennis@home wrote:


"Dave Liquorice" wrote in message
ll.co.uk...
On Fri, 31 Aug 2012 21:29:28 +0100, Andy Burns wrote:

Talking of Dysons, the latest adverts talk about them being
"digital". How the H??? can a vacuum cleaner be digital?

Marketing bollox

http://dyson.co.uk/Vacuumcleaners/DDM.aspx

Bollox after marketing have got at it. Looks as if they are stepper
motors to me.

Not just cheap brushless DC motors with a cheap digital controller then?

yes.

Marginally better than a £2.50 Mabuchi motor as in a cordless drill.
They may have spent £5 on it instead.


--
Ineptocracy

(in-ep-toc-ra-cy) €“ a system of government where the least capable to
lead are elected by the least capable of producing, and where the
members of society least likely to sustain themselves or succeed, are
rewarded with goods and services paid for by the confiscated wealth of a
diminishing number of producers.