RMweb Premium newbryford Posted April 25, 2013 RMweb Premium Share Posted April 25, 2013 (edited) As far as I know , most freight wagons there days are only fitted with an air brake pipe , the one with the red cock. The main reservoir supply through the yellow pipe isn't really needed on freight stock as the 10 BAR supply is mainly used on passenger stock to deal with air powered sliding internal doors or air suspension bags where fitted. I'm afraid I couldn't say how many freight wagons had a main res pipe , but I can't imagine them being that common. Also bear in mind that some wagons were dual braked (air and vacuum) and would have been fitted with the ribbed vacuum pipe for that purpose . I've just had a quick look at a 1984 wagon book - Ian Allan Recognition series - and they virtually all appear to be twin pipe. There is mention of a new PSA (in 1984) that has clasp brakes operated on the single pipe system. The HAA and FGA clearly have main and res pipes either side of the hook, so they would have to crossover under the coupling - as do the PTA rotary tipplers. The HEA and most other air-braked wagons have both pipes to the right of the hook when viewed from the end. The dual braked wagons have three pipes, main air, res air and vacuum. Of the current fleet, at least HTA/HHA/HXA's have twin pipes. Going further o/t - a quick look through my own pics and there's some of the departmental wagons, including newish YSA and YRA types with twin pipes (red and yellow) So it looks like mid 80's onwards that the single pipe system became common. Cheers, Mick Edited April 25, 2013 by newbryford Link to post Share on other sites More sharing options...
RBE Posted April 26, 2013 Author Share Posted April 26, 2013 I have just looked at the HAA too and that is indeed how I've done it above with a pipe either side which need to be crossed. A HEA that I found has them all to the right of the coupler so would coupler across under the coupler as supaned has said. Whats the routing for coaching stock? Do I need to produce a coupler for every occasion or are we getting daft. Cav Link to post Share on other sites More sharing options...
RMweb Premium eldavo Posted April 26, 2013 RMweb Premium Share Posted April 26, 2013 I may be wrong but possibly some of the big hoppers use the res pipe to feed pneumatic discharge door mechanisms. Cheers Dave Link to post Share on other sites More sharing options...
P.C.M Posted April 26, 2013 Share Posted April 26, 2013 Coupler looks good to me Cav, I think Mick is pretty much spot on, and it does go to show there is some variety between wagon types. I was a Shunter at Eastleigh East yard from 1989 to the 90s and all our Speedlink trains were single piped by then including the oil trains going to Fawley. Freightliner and stone trains were air and main res. I would guess alot of block trains would have been twin piped. Passenger stock would be air and main res plus ETH cable each side a real pain to couple and uncouple especially if they had been coupled for a while. Depends on how far you want to go re doing other couplers. having one type for everything is still going to be way better than the couplers supplied and anything I have seen in N gauge. Cheers Peter. Link to post Share on other sites More sharing options...
RBE Posted April 26, 2013 Author Share Posted April 26, 2013 Thanks for the info Peter. I will try to have a look at further designs tonight if the baby lets me. Out of interest would people like an option that fits into standard N pockets too? Not sure if its doable but can always look. Cav 1 Link to post Share on other sites More sharing options...
branchie Posted April 26, 2013 Share Posted April 26, 2013 Thanks for the info Peter. I will try to have a look at further designs tonight if the baby lets me. Out of interest would people like an option that fits into standard N pockets too? Not sure if its doable but can always look. Cav That would be extremely useful Cav Link to post Share on other sites More sharing options...
RBE Posted April 26, 2013 Author Share Posted April 26, 2013 Ok so I've had another play. This time I have done a coupling for a farish HST Mk3 coach, this has a pivot block at one end that glues into the recess behind the buffer beam and is drawn as though it is printed in place on the pivot. I'm not sure that the process will do this to that fine a tolerance though so may well end up being a packer with the coupler fixed on with a separate pivot pin. The other end is a simple pivot post that will locate in a hole drilled under the adjacent coach. The other couplers are two versions of the three link type. one with two pipes and one with a single pipe both to the right of the coupling. This is for 4 wheels stock only as per my HEAs. The block is glued rigid to one wagon whilst the slot is located on a pin on the bottom of the other wagon as per my original wire design. Comments round 2! Cav 6 Link to post Share on other sites More sharing options...
P.C.M Posted April 27, 2013 Share Posted April 27, 2013 Very nice Cav, how do you think some for 00 gauge would look. ;o) Some single pipe one for my oil train would be nice. Cheers Peter. Link to post Share on other sites More sharing options...
Supaned Posted April 27, 2013 Share Posted April 27, 2013 They look really good , much better with the pipes sorted out. Link to post Share on other sites More sharing options...
RBE Posted April 28, 2013 Author Share Posted April 28, 2013 Cheers chaps good to see the interest in these. Heres a pic of a couple of sprues of couplers 10 couplings on each. Ive uploaded to shapeways so will order some samples soon. If all goes well I might look into standard coupler pocket/nem versions. Cav 7 Link to post Share on other sites More sharing options...
Guest bri.s Posted April 28, 2013 Share Posted April 28, 2013 Don't know much about couplings on the real railway but yours look a lot better than the standard ones you get on n gauge models Can't wait to see the final results Link to post Share on other sites More sharing options...
lyneux Posted April 28, 2013 Share Posted April 28, 2013 Cav, Which material are you ordering them in? FUD might be a bit brittle to be used mechanically like this. Guy Link to post Share on other sites More sharing options...
RBE Posted April 28, 2013 Author Share Posted April 28, 2013 As Im not too worried about the detail level I was thinking black strong and flexible. Ive followed the guidelines on the site. Only bit Im not sure about is the peg fixing as the tolerance may be tight but as I said I may just use a bolt through there in the end if not. Cav Link to post Share on other sites More sharing options...
Andrew P Posted May 3, 2013 Share Posted May 3, 2013 Hi Cav I am still watching with A LOT OF INTEREST. Andy. Link to post Share on other sites More sharing options...
RBE Posted May 3, 2013 Author Share Posted May 3, 2013 Nice to see it Andrew! Ive not forgotten you peeps Ive just not done anything over the last week as I just started a new job and its taken up my time. On a brighter note now that Outon Road has moved on I will be starting Millers Dale in earnest. Updates soon. Cav Link to post Share on other sites More sharing options...
Andrew P Posted May 3, 2013 Share Posted May 3, 2013 Nice to see it Andrew! Ive not forgotten you peeps Ive just not done anything over the last week as I just started a new job and its taken up my time. On a brighter note now that Outon Road has moved on I will be starting Millers Dale in earnest. Updates soon. Cav Hi Cav, congrats on the job, I hope it is permenant and you can concentrate on MD. I just have some small finishing touches to Glenfinick and the WATER is building up nicely with 2 coats of PVA a day, one about 10 in the Mornings and one just before bedtime so each has a full 12 hours drying time, although the one I put on this morning was a bit too thick so I have not done one this evening. I am really looking forward to seeing the baseboards taking shape and the contours of the landfall coming together. Will you make the Viaduct ironwork from Brass or Plasticard? Cheers Andy Link to post Share on other sites More sharing options...
RBE Posted May 3, 2013 Author Share Posted May 3, 2013 Yes the job is permanent so looking good. GF is looking good mate. Cant wait to see the water done. Im planning on getting the ply for the baseboards in the next couple of weeks. Been designing them over the last few nights. The viaducts steelwork Im planning to do in plastruct sections. It should prove strong enough once all of the trusses are glued together. Cav 1 Link to post Share on other sites More sharing options...
P.C.M Posted May 4, 2013 Share Posted May 4, 2013 Hi cav Great news on the job, pitty it will slow your progress though. Cheers Peter . Link to post Share on other sites More sharing options...
RBE Posted May 4, 2013 Author Share Posted May 4, 2013 Thanks Peter. It shouldn't really slow progress from now on, the first week has been a bit hectic that's all. I've also been sorting out my modelling room so its currently a bit all over the place with nowhere to sit a model. I'm planning of getting that ship shape today. Cav Link to post Share on other sites More sharing options...
mason Posted May 4, 2013 Share Posted May 4, 2013 Awesome news on the job mate hope it goes well and millers dale will be a good reward Link to post Share on other sites More sharing options...
RBE Posted May 4, 2013 Author Share Posted May 4, 2013 Indeed. When I get 5 from work and baby commitments Ill get cracking! Cav 1 Link to post Share on other sites More sharing options...
Andrew P Posted May 4, 2013 Share Posted May 4, 2013 Oh yes baby commitments, I inherited 4, YES THAT'S RIGHT FOUR teenagers all in one go, TWO SETS OF TWINS 15 Months apart, I am glad I wasn't around 13 years before, with toweling nappies hahahhaaaa, :nono: They have always treated me as a Dad, for help and advice and my wife say they are more like me than there real Father, enjoy them every day mate. Andy 4 Link to post Share on other sites More sharing options...
Marcus 37 Posted May 5, 2013 Share Posted May 5, 2013 Great news and good luck with the new job Cav. Looking forward to seeing the layout building starting to commence. Link to post Share on other sites More sharing options...
branchie Posted May 5, 2013 Share Posted May 5, 2013 Great news about the job Cav. Link to post Share on other sites More sharing options...
RBE Posted May 5, 2013 Author Share Posted May 5, 2013 Cheers guys. Good times. Getting a bit frustrated with not being able to get cracking but I will be very soon. Cav Link to post Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now