Re: 8 car C set

[Railway Rasputin <bob@fastlink.com.au>]

Jonathan Boles wrote:
> 
> sometimes, on the tangaras, if the driver is a bit slow in opening the
> throttle, you can hear the whine go from low, to high, to very high, in
> perfect musical octaves. In music, a note 1 octave higher than another, has
> exactly double the frequency. so the speed at which the chopper switches on
> and of doubles, then doubles again. Is this right???
> 
> btw, as the train (not just T, but especially C) you can hear the whine go
> DOWN in octaves again, from very high, to high, to low. You can hear it
> only if you listen very hard above the whirring of motors, the sound of
> wheels on rails, etc. does anybody know anything about this?
> 
The C's are more louder apparantly because they arn't as efficiant as
the Tangaras. They need 415v to run whilst tangaras only need 120v.
Also, you won't hear the whine in the lead cars of a Tangara because it
is a driving trailer.

rgds