What I find interesting is that when the DMU's were runnng it took 35 minutes from Perth to Fremantle and now with these super-dooper "B' sets it takes only 15 minutes longer to get to Mandurah
Then again, how many stops are there on the Mandurah line! And there was an extra stop on the Fremantle line then (Leighton Beach).
(However, I was all of about 4 years old when the A-series sparks were introduced.......)
Let us take the Fremantle line as an example The peak-hour pattern has trains skipping certain stations, Now taking the timings of the existing service and making the stopping places City West, Subiaco and Claremont that sevice would take 19 minutes. An all stations trip takes 26 minutes. That means that the 10 additional stops have a dwell time of 7 minutes. As I have previously mentioned the DMU's took 35 minutes so the 9 additional minutes which is accounted by the fact that the EMU's have a faster acceleration and decelleration ability. From thi I deduce the dwell time is 42 seconds per stop. Leighton would have had a minimal effect on timings of the DMU's other than on the Perth-bound trains which had the up- gradient to Victoria Street to contend with.
To give you a measure as to the slowness of the DMU's.The off-peak service was 20 minutes. From West Leederville where I lived to Fremantle took 30 minutes therefore if you just missed a train it would take you 50 minutes to go from station to station.On Friday mornings I used to cycle from my home which was 5 minutes walk from W-L station and get to the Fremantle Markets in 45 minutes which is an 8 minutes walk from the Fremantle station When the easterly winds were blowing strongly I could do the trip in 40 minutes and later in the day take advantage of the Fremantle Doctor on the run home and enjoy the health benefits of cycling and not inhaling the acrid diesel fumes the DMU's were notorious for.