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Model Railroading > The 2016 PC - CP221 Diamond UpdateDate: 06/29/16 04:29 The 2016 PC - CP221 Diamond Update Author: navarch2 I have completed replacing 4 of the 9 diamonds with Walthers Code 83 30 degree diamonds. Two more will arrive today, and the balance in July. All three on Track 2 are done, plus the last one west on Track 3.
It took about an hour to cut and fit all 3 of the Track 2 diamonds. I test-ran it both slowly and at speed and the issue is gone now for that track. Here is a picture and an updated video showing the same cars as the earlier one passing over the new diamonds. with no issues. I apologize for the stuttering movement early in the video - that is a single GP38-2 pushing those cars and for a while it was running on some re-installed track from the old office layout which was dirty. It gets smoother as the video goes on. These new diamonds will be wired with power to every piece of rail. It turns out that the dead spots with this angle of frog, are very badly located for 4 axle locomotives in particular....this may be why Roco Code 83 30 degree diamonds are not insulated, rail to rail. http://www.eurorailhobbies.com/product.asp?mn=4&ca=55&sc=HO&stock=R-42498 It appears there is no short if you uase them in a crossover but there would be one in a crossing of essentially a figure-8 type?. Roco were the first ones I looked at because I assumed with wide European wheels and deep flanges, they would not have this issue but the non-insulated crossing rails put me off... Bob Bob You must be a registered subscriber to watch videos. Join Today! Date: 06/29/16 05:02 Re: The 2016 PC - CP221 Diamond Update Author: pal77 Even though at more than double the cost, the Shinohara stuff really looks superior and clearly operates smoother. Nice choice nice work.
Date: 06/29/16 08:55 Re: The 2016 PC - CP221 Diamond Update Author: Dilworth thats what i used on my layout works great
Date: 06/29/16 10:23 Re: The 2016 PC - CP221 Diamond Update Author: boejoe BIG difference. I think I noticed a wider gap in the rails from overhead photos as well.
Date: 06/29/16 10:44 Re: The 2016 PC - CP221 Diamond Update Author: tomstp The real test is push them at a pretty good speed.
Date: 06/29/16 13:51 Re: The 2016 PC - CP221 Diamond Update Author: navarch2 tomstp Wrote:
------------------------------------------------------- > The real test is push them at a pretty good speed. I'll do that tonight and post the video :) Bob Date: 06/29/16 18:15 Re: The 2016 PC - CP221 Diamond Update Author: SandingValve navarch2 Wrote:
------------------------------------------------------- > Roco were the first ones I looked > at because I assumed with wide European wheels and > deep flanges, they would not have this issue but > the non-insulated crossing rails put me off... > Bob Nothing wrong with all metal frogs in a crossing, however, things can get 'fiddlely' electrically with DCC and would require some additional electrical hardware to ensure the proper polarity through the trackwork. The more complicated the trackwork is and how many trains are intended to occupy the interlocking plant, the more 'fiddlely' the electrical becomes. At any rate...Excellent track work and a good easy solution was found. SV Date: 06/30/16 05:09 Re: The 2016 PC - CP221 Diamond Update Author: navarch2 pal77 Wrote:
------------------------------------------------------- > Even though at more than double the cost, the > Shinohara stuff really looks superior and clearly > operates smoother. Nice choice nice work. Thank you :) Once I get the crossing route trackage in and the other diamonds replaced, I will tweak/realign the entire complex to get the best possible result. Thanks to all who offered solutions. Bob Date: 07/01/16 06:10 Re: The 2016 PC - CP221 Diamond Update Author: navarch2 So it turns out that the shallow crossings from Atlas are a known problem....shame on me for not doing the due diligence first :(
http://cs.trains.com/mrr/f/11/t/199372.aspx Life....goes on :) Anyone need 9 code 83 30 degree diamonds that do not work well with trains on them? lol Bob |