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Northern Class 319 service working to Crewe

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dstannard

Posts: 12
Location: cheshire, uk
Northern Class 319 service working to Crewe - Posted: February 13, 2018 - 2:32 PM Quote and reply
With a Class 323 moving to Allerton for the training of Liverpool Lime Street crews ahead of the May 2018 timetable change,the daytime Alderley Edge shuttle diagram which includes the peak hour 08:04 Manchester Piccadilly - Crewe service switched to Class 319 traction from Monday 12th February.
Initial timings indicate that inter-station run times between Cheadle Hulme and Crewe are typically between 1/4 and 1/2 minute longer than with 323s and that the 319s are only reaching speeds in the low 80s mph where the 323s cruise at the unit limit of 90 mph.
All a foretaste of what is to come when the Class 319s begin more widespread operation on the route.

David Stannard
RPS Committee - Technical
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9102

Posts: 84
Re: Northern Class 319 service working to Crewe - Posted: February 14, 2018 - 11:49 AM Quote and reply
dstannard said:
With a Class 323 moving to Allerton for the training of Liverpool Lime Street crews ahead of the May 2018 timetable change,the daytime Alderley Edge shuttle diagram which includes the peak hour 08:04 Manchester Piccadilly - Crewe service switched to Class 319 traction from Monday 12th February.
Initial timings indicate that inter-station run times between Cheadle Hulme and Crewe are typically between 1/4 and 1/2 minute longer than with 323s and that the 319s are only reaching speeds in the low 80s mph where the 323s cruise at the unit limit of 90 mph.
All a foretaste of what is to come when the Class 319s begin more widespread operation on the route.


I have been using GPS to measure acceleration rates of various types of train (which will be offered to Milepost when complete). On level track, Class 319 typically takes over 4 minutes to reach 90 mph. Classes 323 and 350 usually take about 120 - 125 seconds to reach 90 mph.
(BP)



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9102

Posts: 84
Re: Northern Class 319 service working to Crewe - Posted: February 20, 2018 - 11:44 PM Quote and reply
9102 said:


I have been using GPS to measure acceleration rates of various types of train (which will be offered to Milepost when complete). On level track, Class 319 typically takes over 4 minutes to reach 90 mph. Classes 323 and 350 usually take about 120 - 125 seconds to reach 90 mph.
(BP)



On checking through more data, I have examples of Class 319 reaching the high 80s in about 3 minutes, and 90 mph in about 3.5 minutes. Still inferior to Classes 319 & 350, but better than the 4 minutes reported above,



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