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Post by TB123 on Dec 19, 2023 8:46:36 GMT
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Post by TNA33379 on Feb 10, 2024 16:49:10 GMT
B&H new MMC’s for the Coaster has been spotted. YY73THF being the one
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Post by gwiwer on Feb 11, 2024 16:33:24 GMT
Let's hope the hills for which Brighton is famed and with which the coastal route is cursed do not cause overheating batteries as has been seen in London and a few other places of late.
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Post by MetrolineGA1511 on Feb 11, 2024 19:13:49 GMT
I don't know what the planned timescales are. It's just that ideally I'm hoping that the Metrobus hydrogen buses are all in service by September so that I can have a combined Brighton/Crawley/south London holiday and ride all the types then.
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Post by mark on Feb 13, 2024 12:42:26 GMT
Let's hope the hills for which Brighton is famed and with which the coastal route is cursed do not cause overheating batteries as has been seen in London and a few other places of late. Why should the batteries be any more likely to overheat than those on any other bus in the Brighton & Hove fleet?
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Post by cardinal on Feb 13, 2024 13:16:33 GMT
I don't know what the planned timescales are. It's just that ideally I'm hoping that the Metrobus hydrogen buses are all in service by September so that I can have a combined Brighton/Crawley/south London holiday and ride all the types then. I wouldn’t bank on it given the clear issues with hydrogen supply presently
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Post by gwiwer on Feb 13, 2024 15:16:24 GMT
Let's hope the hills for which Brighton is famed and with which the coastal route is cursed do not cause overheating batteries as has been seen in London and a few other places of late. Why should the batteries be any more likely to overheat than those on any other bus in the Brighton & Hove fleet? I'm not saying they will at all but noting that other vehicles have suffered from battery fires some (at least) of which have been attributed to overheating. The recent one in Wimbledon was on route 200 which is hilly by London standards but not by Brighton's .
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Post by mark on Feb 13, 2024 15:34:21 GMT
Why should the batteries be any more likely to overheat than those on any other bus in the Brighton & Hove fleet? I'm not saying they will at all but noting that other vehicles have suffered from battery fires some (at least) of which have been attributed to overheating. The recent one in Wimbledon was on route 200 which is hilly by London standards but not by Brighton's . ...but hills don't make any meaningful difference to the load on the battery of a diesel engine bus.....
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Post by gwiwer on Feb 15, 2024 14:50:39 GMT
I'm not saying they will at all but noting that other vehicles have suffered from battery fires some (at least) of which have been attributed to overheating. The recent one in Wimbledon was on route 200 which is hilly by London standards but not by Brighton's . ...but hills don't make any meaningful difference to the load on the battery of a diesel engine bus..... The battery on a diesel bus is not used for traction purposes. We all know the engine gets hotter if it has to work harder. If you looked at overheating incidents nation-wide you might well find that there is a trend towards them occurring in hilly areas Back in Southdown days the coast road Brighton - Eastbourne was the preserve of the PD3 "Queen Marys" Slow and heavy but the y usually got you there despite the hills. But a full load (and they happened quite often in the 1960s on summer days) out of Eastbourne up to the top of the Downs could cause one to overheat and give up at the Golf Club or sometimes even lower. When Southdown and BH&D were merged by NBC the Queen Marys found their way onto Brighton local routes. They already had a small presence as the 12 was linked with the 112 up to West Dene which wasn't at all flat. They were used on the lengthy cross-town 2 between Shoreham and Rottingdean which avoided the worst of the hills. But asking them to go repeatedly up and down to Hollingbury and Mile Oak every hour was a bit too much and they started to protest by boiling up.
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Post by cardinal on Feb 17, 2024 7:42:57 GMT
...but hills don't make any meaningful difference to the load on the battery of a diesel engine bus..... The battery on a diesel bus is not used for traction purposes. We all know the engine gets hotter if it has to work harder. If you looked at overheating incidents nation-wide you might well find that there is a trend towards them occurring in hilly areas Back in Southdown days the coast road Brighton - Eastbourne was the preserve of the PD3 "Queen Marys" Slow and heavy but the y usually got you there despite the hills. But a full load (and they happened quite often in the 1960s on summer days) out of Eastbourne up to the top of the Downs could cause one to overheat and give up at the Golf Club or sometimes even lower. When Southdown and BH&D were merged by NBC the Queen Marys found their way onto Brighton local routes. They already had a small presence as the 12 was linked with the 112 up to West Dene which wasn't at all flat. They were used on the lengthy cross-town 2 between Shoreham and Rottingdean which avoided the worst of the hills. But asking them to go repeatedly up and down to Hollingbury and Mile Oak every hour was a bit too much and they started to protest by boiling up. Not Brighton related but High Wycombe… it was the Leyland Nationals that I remember absolutely screaming and belching out fumes going up the hill past the station towards Haslemere. The Bristol’s managed well. With London Country NW’s ANs fairing in between !
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Post by gwiwer on Feb 17, 2024 11:06:04 GMT
The battery on a diesel bus is not used for traction purposes. We all know the engine gets hotter if it has to work harder. If you looked at overheating incidents nation-wide you might well find that there is a trend towards them occurring in hilly areas Back in Southdown days the coast road Brighton - Eastbourne was the preserve of the PD3 "Queen Marys" Slow and heavy but the y usually got you there despite the hills. But a full load (and they happened quite often in the 1960s on summer days) out of Eastbourne up to the top of the Downs could cause one to overheat and give up at the Golf Club or sometimes even lower. When Southdown and BH&D were merged by NBC the Queen Marys found their way onto Brighton local routes. They already had a small presence as the 12 was linked with the 112 up to West Dene which wasn't at all flat. They were used on the lengthy cross-town 2 between Shoreham and Rottingdean which avoided the worst of the hills. But asking them to go repeatedly up and down to Hollingbury and Mile Oak every hour was a bit too much and they started to protest by boiling up. Not Brighton related but High Wycombe… it was the Leyland Nationals that I remember absolutely screaming and belching out fumes going up the hill past the station towards Haslemere. The Bristol’s managed well. With London Country NW’s ANs fairing in between ! The Swifts didn't like that hill at all. There was said to be only a 50% chance of reaching the top without boiling up. That reduced as the load increased. If they did make it they barely had time to cool their pistons before the assaults on Amersham, Chesham and Ley Hill in quick succession. Bristols seemed to to better in Brighton than Leylands. BH&D were largely restricted to the marque through being a Tilling Group company. The Corporation was largely a Leyland user albeit most of their routes were among the less hilly in the region.
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Post by S.152 on Apr 11, 2024 19:08:31 GMT
673-683 reported to be transferring to Go East Anglia
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