doilum Posted February 21, 2021 Share Posted February 21, 2021 It is Astley. Time to get busy at the bench. I am not sure if it was just an Area 8 thing but a fair proportion of the locomotive had bespoke solutions to a draughty cab. No comments about soft Yorkshire men please. 1 Link to post Share on other sites More sharing options...
doilum Posted February 21, 2021 Share Posted February 21, 2021 Here goes. Only on with double sided tape at present. 4 Link to post Share on other sites More sharing options...
Ben B Posted February 21, 2021 Share Posted February 21, 2021 On 18/02/2021 at 19:06, montyburns56 said: Primrose HIll 1970 Interesting bridge design. I really love this bridge- thanks for sharing the pic! I've been after something that I could do for the garden line later in the year, this has just the right mix of ornate styling and robustness to do the trick... might have a bit of a play with the laser cutter later this year, see if I can do something inspired by it. Link to post Share on other sites More sharing options...
doilum Posted February 21, 2021 Share Posted February 21, 2021 1 hour ago, Ben B said: I really love this bridge- thanks for sharing the pic! I've been after something that I could do for the garden line later in the year, this has just the right mix of ornate styling and robustness to do the trick... might have a bit of a play with the laser cutter later this year, see if I can do something inspired by it. Should be about 3' in O gauge. Hopefully with a water feature to set it off. Link to post Share on other sites More sharing options...
montyburns56 Posted February 21, 2021 Author Share Posted February 21, 2021 22 hours ago, Mol_PMB said: It reminded me of a February day a couple of years ago when I got absolutely frozen on a green saddle tank in that sort of Welsh weather. I was driving Linda on a ballast turn after all the diesels had failed, but the weather was horizontal sleet and the mess van kettle was broken. Does that count as "2010s Industrial Steam"? Yet you'd give your right arm to be able to do something like that right now. 2 Link to post Share on other sites More sharing options...
montyburns56 Posted February 21, 2021 Author Share Posted February 21, 2021 21 hours ago, figworthy said: Going back to Primrose Hill, have we had this yet ? Adrian Blimey, it looks like it's about to take off at about at 0:35! 1 Link to post Share on other sites More sharing options...
PhilMortimer Posted February 22, 2021 Share Posted February 22, 2021 (edited) Good view of the GPCS over fire air jets in the fire box sides on the Austerity in a couple of those shots. Edited February 22, 2021 by PhilMortimer Link to post Share on other sites More sharing options...
doilum Posted February 22, 2021 Share Posted February 22, 2021 11 minutes ago, PhilMortimer said: Good view of the GPCS over fire air jets in the fire box sides on the Austerity in a couple of those shots. Look sounds like another challenge! Might be a bit tight with an 1833 taking up most of the space. Guess they will have to be grain of wheat bulbs to match my analogue control. Link to post Share on other sites More sharing options...
PhilMortimer Posted February 22, 2021 Share Posted February 22, 2021 Or an Orange / Yellow colored LED in the fire box space with holes drilled in the firebox side. Would probably be able to get an ashpan glow as well. Link to post Share on other sites More sharing options...
doilum Posted February 23, 2021 Share Posted February 23, 2021 (edited) 11 hours ago, PhilMortimer said: Or an Orange / Yellow colored LED in the fire box space with holes drilled in the firebox side. Would probably be able to get an ashpan glow as well. Wouldn't an LED only work in one direction? I definitely need to start a programme of drilling holes to three of the four and then research why only the Austerities have this feature as as almost all of the locos in area 8 had the Hunslet Porta " clean air" system fitted. Having had a quick read of Martyn Bane's article I am really no wiser as to why only the Austerities have these holes. I have to add S112 the 50550 to the list. Edited February 23, 2021 by doilum Additional information Link to post Share on other sites More sharing options...
Mol_PMB Posted February 23, 2021 Share Posted February 23, 2021 You could fit a bridge rectifier with the LED. Maybe with a capacitor so the fire doesn't go out when the loco stops? 1 Link to post Share on other sites More sharing options...
doilum Posted February 23, 2021 Share Posted February 23, 2021 11 minutes ago, Mol_PMB said: You could fit a bridge rectifier with the LED. Maybe with a capacitor so the fire doesn't go out when the loco stops? Thanks. I may settle for the holes at present. Once seen they cannot be ignored. Link to post Share on other sites More sharing options...
RMweb Premium 03060 Posted February 23, 2021 RMweb Premium Share Posted February 23, 2021 8 hours ago, doilum said: Having had a quick read of Martyn Bane's article I am really no wiser as to why only the Austerities have these holes. Martyn Bane's article ?? Link to post Share on other sites More sharing options...
doilum Posted February 23, 2021 Share Posted February 23, 2021 29 minutes ago, 03060 said: Martyn Bane's article ?? 29 minutes ago, 03060 said: Martyn Bane's article ?? Try a Google search for " Hunslet Porta Austerity". This should take you to the item 1 Link to post Share on other sites More sharing options...
Mol_PMB Posted February 23, 2021 Share Posted February 23, 2021 Forgive my ignorance, but might it have been something to do with the inner firebox material? Did the austerities have steel and the older locos copper? I would imagine that retro-fitting the secondary air holes in place of stays might have been more challenging with a copper box. Link to post Share on other sites More sharing options...
montyburns56 Posted February 23, 2021 Author Share Posted February 23, 2021 Snowdown Colliery 1970 Backworth 1971 18 Link to post Share on other sites More sharing options...
PhilMortimer Posted February 23, 2021 Share Posted February 23, 2021 I believe that the Porta GCPS system with the firebox over fire jets were only applied to the Austerities (and possibly some of the the preceding 50550 class) in the UK because Hunslet viewed the Porta system as a means of increasing its loco sales in the 1960's, by improving fuel (and combustion) efficiency and reducing visible smoke emissions. At this time, Hunslet were buying back and rebuilding a substantial number of Austerities for resale and many of these ultimately ended up with the NCB. I'll have to ask Shaun McMahon about this at some point - he was closely associated with Porta and Phil Girdlestone and still does a lot of work on GCPS. 1 2 Link to post Share on other sites More sharing options...
RMweb Gold russ p Posted February 23, 2021 RMweb Gold Share Posted February 23, 2021 1 hour ago, montyburns56 said: Snowdown Colliery 1970 Backworth 1971 Snowdown has the overheads for the 70s and 71s 1 1 Link to post Share on other sites More sharing options...
doilum Posted February 24, 2021 Share Posted February 24, 2021 (edited) 15 hours ago, PhilMortimer said: I believe that the Porta GCPS system with the firebox over fire jets were only applied to the Austerities (and possibly some of the the preceding 50550 class) in the UK because Hunslet viewed the Porta system as a means of increasing its loco sales in the 1960's, by improving fuel (and combustion) efficiency and reducing visible smoke emissions. At this time, Hunslet were buying back and rebuilding a substantial number of Austerities for resale and many of these ultimately ended up with the NCB. I'll have to ask Shaun McMahon about this at some point - he was closely associated with Porta and Phil Girdlestone and still does a lot of work on GCPS. It does seem to be very much an Area 8 thing. This is the NCB area closest to Hunslet's factory in Leeds. By the end of the 1960s only a handful of locomotives had escaped conversion either by Hunslet or in the workshop at Allerton Bywater. Of the Austerities I can only think of Parkhill that wasn't converted. Any additional information welcome. This austerity was RSH 7291 of 1945. It was delivered new to Longmoor and then purchased by Locke &co in 1946. Why it wasn't upgraded is a mystery. Perhaps it is because Parkhill's fleet consisted mostly of pre war Pecketts which didn't get these modifications. Having spent longer than I thought it would I confirmed my suspicions that, in the pre 1967 organisation, Parkhill along with its connected colliery St John's, was in the number 7 Wakefield area hence excluded from what appears to be an area 8 / Hunslet initiative. Edited February 24, 2021 by doilum Additional information Link to post Share on other sites More sharing options...
RMweb Premium 03060 Posted February 24, 2021 RMweb Premium Share Posted February 24, 2021 On 23/02/2021 at 10:04, doilum said: Thanks. I may settle for the holes at present. Once seen they cannot be ignored. I've just rewatched my copy of Industry of Steam - Yorkshire which has a section showing 'Antwerp' shunting at Wheldale, these holes are barely visible ìn this film and I could easily have mistaken them for a filcker in the film if you hadn't drawn my attention to it, certainly not as obvious as in the You Tube film. Regards, Ian. Link to post Share on other sites More sharing options...
doilum Posted February 24, 2021 Share Posted February 24, 2021 2 minutes ago, 03060 said: I've just rewatched my copy of Industry of Steam - Yorkshire which has a section showing 'Antwerp' shunting at Wheldale, these holes are barely visible ìn this film and I could easily have mistaken them for a filcker in the film if you hadn't drawn my attention to it, certainly not as obvious as in the You Tube film. Regards, Ian. They had previously escaped my attention despite having built four, five if you include the 50550, and never turning down an opportunity to watch one in action on YouTube. My upgrades will start as soon as my remotoring project on Wild Swan is completed. 1 Link to post Share on other sites More sharing options...
PhilMortimer Posted February 24, 2021 Share Posted February 24, 2021 TBH, I have an interest in GCPS and combustion systems in general, so I guess I sort of inadvertently keep an eye out for it on NCB Austerities. Its not that common to see it so visible - probably due to some of the footage being taken at dusk. 1 Link to post Share on other sites More sharing options...
doilum Posted February 24, 2021 Share Posted February 24, 2021 (edited) I cannot say if the Hudswell Clarke locos had this modification as the side tanks cover the firebox sides. I may be able to find a photo or two of dismantled examples. That took longer than I expected!! The HC locos didn't have holes in the firebox. I found a great photo of Whitwood no 4 in kit form ready for despatch to the Nene Valley as a spares package. It is incredibly difficult to identify these holes in the austerities although I found a good near side view of Diana showing them clearly. On the off side they hid behind the reversing link. Edited February 24, 2021 by doilum 1 Link to post Share on other sites More sharing options...
montyburns56 Posted February 24, 2021 Author Share Posted February 24, 2021 21 hours ago, russ p said: Snowdown has the overheads for the 70s and 71s Indeed, in fact I posted this fantastic picture a few months ago showing the old and the new! 11 2 Link to post Share on other sites More sharing options...
doilum Posted February 24, 2021 Share Posted February 24, 2021 On 23/02/2021 at 19:32, montyburns56 said: Snowdown Colliery 1970 Backworth 1971 Can anyone identify the cover and lever on the firebox? I have seen a similar lever on the nearside of Diana. Link to post Share on other sites More sharing options...
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