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Bethesda Sidings


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31 minutes ago, hayfield said:

I don't know which is more impressive, the performance of the loco, or the track or the scenics 

 

Simples....ALL of it !

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A few months ago, when I was testing some of the locos that I plan to use on Bethesda Sidings, I found that my Bachmann 08, which had previously been a lovely, slow runner, had developed a pronounced tight spot and 'limp'.

 

The loco had essentially been sitting in it's box for a few years since my last exhibition. Initial investigations failed to reveal the source of the problem and I reluctantly put it away again.

 

I have been having a more thorough look in the last couple of weeks and finally spotted that one of the plastic outside cranks, on the rear (driven) axle had split, where the crankpin is attached.

 

The plastic crank was quite oily and I didn't fancy trying a repair on it, so I ended up ordering a complete replacement wheelset, with rods attached, from the Bachmann spares department. When on the phone, I asked if the design of the 08 chassis had changed over the years (mine is a relatively early model) and was assured that it hadn't.

 

The new wheelset arrived pretty quickly and I went to install it this afternoon.

 

I was rather irritated, to say the least, to find that it would only fit, with the rods upside down:

20200301_140807.jpg.b11bffa4b3e7d40dd428c48152c24f8b.jpg

 

I couldn't put them in the other way up (even though the axle centres are the same between all three axles), because the drive gear is off-set and the gear in the new wheelset was off-set on the opposite side from my original one.

 

I concluded that either the wheelset I had been sent had been assembled incorrectly or the chassis design had changed after all.

 

After a bit more faffing about, I realised that I could remove the new driven axle, with it's new outside cranks and substitute it for the original driven axle.

 

I was able to remove the Bachmann crankpins OK and when assembled, the whole thing then ran sweetly again:

20200301_153424.jpg.91bcaa325d9be7f69020f84e3e87051d.jpg

 

You may notice that I hadn't finished painting the dark rust colour on the check and wing rails, this is now done.

 

Also, a bit of footage:

 

 

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I started the layout cover this afternoon, which will be a framework of 20mm x 20mm timber, covered with clear plastic sheeting and secured to various parts of the layout framework:

20200303_152308.jpg.be264756e98139189fb4d3df228d7699.jpg

 

20200303_152424.jpg.a0a2c54e70d1ef42dea79a9c5dad0631.jpg

 

Some traffic has finally appeared in the yard as well:

20200303_152328.jpg.06e678c1bf2d2528b16f538c5e6a071e.jpg

 

20200303_152339.jpg.413c9f38955f19ef28418422f459598f.jpg

 

20200303_152356.jpg.1fce6e0a449fb5d3a4ce434116bee1de.jpg

 

Edited by Captain Kernow
Correcting size of timber used.
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1 hour ago, Siberian Snooper said:

Having just looked at the other thread and queried the 2mm x 2mm, I now see that you meant 20mm x 20mm or thereabouts.

Corrected it on this thread now as well, thanks.

 

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17 hours ago, Captain Kernow said:

Layout cover virtually done:

20200307_185925.jpg.707d8a25ef18e79a5d82a306016e515d.jpg

 

 

 

That's given me an idea.....

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Now that the layout itself is virtually complete (apart from some work on the fiddle yard), I've been doing a bit more on the 74XX conversion this afternoon.

 

Thoughts then turned to giving the chassis another test run on the layout and I found it to be unsatisfactory. It's not really smooth enough at slow speed for my liking and doesn't like the A5 crossover (which is OO-SF), as not all the Bachmann wheels are touching the rail and it sometimes stalls.

 

Such unreliability isn't acceptable and I know that a compensated chassis would work properly, so I've made the decision to order a High Level chassis kit for it and will probably make building it a priority, together with the whitemetal 16XX kit.

 

This is now the fourth RTR loco for this layout, where the RTR chassis has failed to live up to expectations and has to be replaced by an etched, compensated example (the others being two Hattons/DJM 14XXs and the Oxford Dean Goods).

 

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23 minutes ago, Captain Kernow said:

This is now the fourth RTR loco for this layout, where the RTR chassis has failed to live up to expectations and has to be replaced by an etched, compensated example (the others being two Hattons/DJM 14XXs and the Oxford Dean Goods).

 

 

Perhaps you are expecting too much from RTR models?

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Most of my locos are kit built and the quality of the running is down to both the build quality and the quality of the components used. The best RTR loco I own is a Bemo loco, the quality of the components and build are first class, far better than any other RTR loco I owned. Once you have achieved an acceptable level or running, its difficult and or annoying to put up with something below par. Having said this given the premium new models sell at, I would expect a level of performance commercient with the cost. 

 

I bought a Mainline 57xx with a Comet (?) etched chassis using a Buhler motor and unknown gearbox, again an outstanding performer.

 

I am in the process of building a Southeastern Finecast E1 loco, I have used a High Level coreless motor and a Road Runner chassis, so quiet and smooth running, (rigid chassis and only 4 wheels at [resent with pickups) more down to the quality of the products and their design, than my building skills.

 

I will be watching with interest

 

 

 

 

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3 hours ago, Tim V said:

 

Perhaps you are expecting too much from RTR models?

 

 

No, I don't think so. 

 

Like any mass produced item there are good and bad. 

 

You are either lucky or not. Rarely is a model inherently a poor runner. The exception seems to be the 14xx from Hattons with which a good runner seems to be in the minority. 

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Well, I may calculate the percentage of 'good 'uns' verses 'bad 'uns' at some stage, but I have had my fair share of poor runners.

 

And it's not as if I haven't given them plenty of time running in, either.

 

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