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Granby Junction 1948 N. Wales - Members Personal Layouts. - Model Railway Layouts. - Your Model Railway Club
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 Posted: Fri Oct 18th, 2019 05:50 pm
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John Dew
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Ed wrote: John Dew wrote:
Anyone know why almost all British Army tanks have names beginning with C?


Did a Google search John and allegedly it stand for cruiser, (maybe).

https://www.theguardian.com/notesandqueries/query/0,5753,-1161,00.html

https://www.arrse.co.uk/community/threads/why-the-c-in-our-main-battle-tanks.133337/


Ed

Thanks Ed........I should have googled myself.

I think the C for Cruiser story makes sense.......the Cromwells/Centaurs etc were classed as cruiser and then I guess the tradition stuck so that the much heavier battle tanks that followed continued to be named with a C.....Centurion ...Conqueror.

John









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 Posted: Tue Oct 29th, 2019 03:48 am
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John Dew
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Longish post.....Despite being diverted by the Rugby I have managed to complete one of the Fall's major projects.

I spent a lot of time earlier in the year creating local passenger services to and from the "south" or right hand side of the storage yard. The only way I could squeeze 4 extra trains into an already crowded yard was to run them all into Down storage siding #5.......run a swift loco exchange and store them elsewhere...in fact wherever I could find a spare siding. 

This rather fuzzy shot shows one of the trains..... the Ruabon B set crossing over from the Up line to enter the Down Storage yard




Siding #5 is the one empty space you can see in the middle distance.

A second train (from Barmouth) is stored in the siding to the right. A third train is stored at Granby carriage sidings and the fourth I managed to fit in front of the Up Express at the other end of the storage yard.

The routine for all four trains is broadly the same. Enter D5....uncouple and pull clear....relief loco couples and the train is ready for the return journey

The relieved locos were then turned/stored in one of the turntable exits.                  




Its a Fleischmann TT that I bought second hand over 20 years ago.

To get it to work with DCC and RR&Co involved a Heath Robinson mix of Point Motors, Reeds and Magnets .......some of which where concealed under the Engine Shed:




It  actually worked fine but this system could, realistically,only handle two exits.

Its quite cumbersome trying to manouver 4 relief locos in two exits particularly as one road has to be cleared whenever a Milk/Fruit or Parcels loco needs turning


Its a far cry from the main turntable





Where this device handles 16 exits without turning a hair




(Ignore the DCC Concepts unit alongside....just sharing the shelf)

The Fleischman Turncontrol unit is an amazing piece of kit.......its a pleasure to handle and integrates seamlessly with the computor. 

It slowly dawned on me that it could also operate the antique storage TT ........not the cheapest option but after a limited amount of soul searching:






That was the easy part......now to hook it up.........under the duck under to the other side

Remove the library....



No problem:




And then the problems really started!  I had completely forgotten that the lower branch line baseboard was not a 12" shelf.......it was 4' deep........in the dim and distant past this was going to be a coal mine served by the branch!

When this plan was superseded by the storage TT I had just inserted a second baseboard 5" above the old one creating an almost inaccessible void.

Lots of fun trying to insert droppers through that lot   




In the end I had to surface mount the droppers and conceal them with ash ballast and a somewhat unlikely shrubbery.

The final connection was made by drilling one very large hole through both baseboards (Naturally I managed to find part of a supporting beam as well)

I always maintained this would be a warts and all thread.......

Finally, after a not entirely stress free fortnight, we have moved from two exits to seven:





Including a dedicated road for each of the four local passenger relief locos




From the left

Barmouth     7802 Bradley Manor   
Crewe          LMS Ivatt  2-6-2T       
Oswestry     6698 56xx  0-6-2T ........on temporary loan from the coal run until the Hornby large prairies
Ruabon        4550 Small Prairie

I always like to finish with a black and white if projects..........eventually..........turn out ok





So the next few days will be spent alternating between concern that England may have emptied the tank and quiet confidence that all will be well. Who could not be impressed by that defiant yet respectful response to the Haka.




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 Posted: Tue Oct 29th, 2019 04:41 am
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Sol
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Well documented John  and I like this bit....

The final connection was made by drilling one very large hole through both baseboards (Naturally I managed to find part of a supporting beam as well)


That is almost a 99% certainty in this hobby :mutley



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 Posted: Thu Oct 31st, 2019 06:11 pm
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Well executed mod John i think whenever we decide to do mods we forget things we have done in the past and we get that DOH moment when we realise . A lot of work for you but well worth it.



Brian



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 Posted: Sat Nov 2nd, 2019 01:52 am
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And great to see some of the "off layout" workings.  And there was me agonising over whether I should change a bit of track and add a point for a passing loop!  Tomorrow it shall be done!
Michael



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 Posted: Sat Nov 2nd, 2019 11:03 pm
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Good stuff, John. As 'Strictly come prancing' is now back on the box, I expect to do a bit more modelling!

Douglas



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 Posted: Wed Nov 6th, 2019 01:41 am
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John Dew
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Thanks for the comments guys........I am mortified that it has taken so long to acknowledge them :oops: A few non railway matters, not just the rugby :cry:, intervened.

I am particularly glad that you enjoyed the post........I found it quite difficult to distill two weeks work into a meaningful post.....I took forever to take photos which conveyed what was going on.

Best wishes

John



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 Posted: Wed Nov 6th, 2019 05:44 pm
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John Dew
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A few weeks ago I posted about some experiments with stay alives.

In a poor performing Bachmann 64xx Pannier I replaced a Lenz decoder with a Zimo decoder and attached a TCS KAT2 keep alive. The results were amazing .....the video showed it continuing to move for about 18" after the power was cut off.

I then turned my attention to a DJM/Hattons 14xx 0-4-2T. Notoriously indifferent runners and mine was no exception. Space constraints prevented the use of a full fat  capacitor so I added 3 Tantalums (lower volume but significantly lower capacity). You may recall that I found the results a bit ho-hum. There was an overall improvement in running but still some hesitation at low speed and the occasional hand from God to start.

I put them both back on the layout with their autocoaches and got on with other things.However, regardless of the project of the day, on most evenings I run both autocoach schedules.......with a glass of wine....quite therapeutic.

 




It slowly dawned on me that I had  been a bit hasty with my initial assessment.......... the 14xx was actually running impeccably.......shuttling back and forth (on an admittedly undemanding schedule) .......untouched by human hand.
Time to give the same treatment to my other DJM 14xx.....58xx 5801




Not all the 0-4-2s were autofitted. The 58xx sub class were used on branch good and standard branch passenger diagrams. I had hoped to use 5801 on the Cynwyd B Set. Although a better runner than 1407 she still proved unreliable and had been relegated to "pottering"......on the layout but no schedules.....one step away from the display case

The set up was identical....decoder in smokebox and redundant speaker wires used to connect to lifelink and tantalum assembly......all stored in bunker





And here in a 45 second video is the result.......






Believe me quite the transformation!




 I havent done a price comparison with other stay alives but 20GBP for 3 tantalums and a lifelink board doesnt seem unreasonable to convert a "potterer" back to a scheduled loco. 

I dont think its solely the stay alive element.....I am very impressed with the Zimo decoders. Same price as the Lenz Standard (my default decoder) and about a third of the size. I have always found that Lenz decoders provide very smooth transitions between the speed steps but the Zimo is ultra ultra smooth.In the years before I retired I generally drove a Volvo.....for a brief period I had a Lexus.....same difference!

Despite a zillion Zimo CVs and a manual longer than a Trollope novel, I stuck to my normal practice.....I dont adjust CVs very much..... set the max speed between 30 and 40 mph (anything more looks daft on Granby) and the mid speed value to give a slightly concave slope. However on the advice of the ever helpful John Gwymer of Youchoos I set CV 56 to 22  (Back EMF) and CV 57 to 125. (14xx has a coreless motor) this eliminated the juddering that used to frequently occur with this model.


A happy camper in Vancouver  (not literally ....it is sunny but quite cold)

John




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 Posted: Wed Nov 6th, 2019 06:53 pm
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Very nice John, and great to have another working loco for a very reasonable outlay.
I'm rather interested in the new DCC Concepts Black decoders, which they claim will not require a stay alive, while also giving shuttle operation (not relevant to you, I know) with additional purchases. I've pretty much found that their products do exactly what they say they will do, but it can come at a premium price.

Helpful comments about the Zimo decoder though, I will have a look at those too.

Regards

Michael



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 Posted: Wed Nov 6th, 2019 10:27 pm
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Good to see such good running John. I've sworn by Zimo decoders for years now. I used to use Lenz but couldn't get such smooth starts and stops.

You can adjust CV153 to give a shorter run time from the Kat2 if you want to. It could save a collision. I think I put on here recently that you count the time in tenths of a second for this CV.

Anyway, whatever you do, the layout and stock look great.



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 Posted: Thu Nov 7th, 2019 02:41 am
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John Dew
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Headmaster wrote: Very nice John, and great to have another working loco for a very reasonable outlay.
I'm rather interested in the new DCC Concepts Black decoders, which they claim will not require a stay alive, while also giving shuttle operation (not relevant to you, I know) with additional purchases. I've pretty much found that their products do exactly what they say they will do, but it can come at a premium price.

Helpful comments about the Zimo decoder though, I will have a look at those too.

Regards

Michael


Thanks Michael....glad you found it helpful.....I have sent you a PM

I know Lenz decoders have a shuttle facilty and a load of other options like the kadee shuffle. I am sure Zimo have the same.......I suspect that lurking in the manual is an option to top up my wine glass...hoping/joking:lol:

Best wishes

John



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 Posted: Thu Nov 7th, 2019 02:47 am
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John Dew
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peterm wrote: Good to see such good running John. I've sworn by Zimo decoders for years now. I used to use Lenz but couldn't get such smooth starts and stops.

You can adjust CV153 to give a shorter run time from the Kat2 if you want to. It could save a collision. I think I put on here recently that you count the time in tenths of a second for this CV.

Anyway, whatever you do, the layout and stock look great.

Thanks Pete

I hadnt heard about Zimo until about a year ago now I am totally committed. I am not going to replace all my Lenz decoders.......and hopefully I can reuse the ones I have taken out.....but I am tempted to progressively change them to a Zimo/tantalum combination in my 0-6-0 tank engines

Best wishes

John



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 Posted: Thu Nov 7th, 2019 11:50 am
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A good result John especially as you are noticing a great difference in performance.

This is something that i intend to pursue myself as i have a number of smaller locos which could greatly benefit from this.

Historically i have insulfrog points as when i bought masses of them insulfrog were considered the DCC friendly point.

of course i  know if i were buying afresh electrofrog would be the way to go.

Brian



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 Posted: Thu Nov 7th, 2019 12:50 pm
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Back in the early 70's when live frogs were thin and far between, I remember sticking very thin copper strips over the plastic frogs and wiring these up live.



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 Posted: Fri Nov 8th, 2019 11:10 pm
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John Dew
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Briperran wrote: A good result John especially as you are noticing a great difference in performance.

This is something that i intend to pursue myself as i have a number of smaller locos which could greatly benefit from this.

Historically i have insulfrog points as when i bought masses of them insulfrog were considered the DCC friendly point.

of course i  know if i were buying afresh electrofrog would be the way to go.

Brian

The thing that has really impressed me is not only do I have total reliability but the actual performance is so much smoother.....no jerks or juddering. I can see myself building up a surplus stock of Lenz decoders now:roll:

Cheers

John



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 Posted: Sat Nov 9th, 2019 04:54 am
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John Dew wrote: A few weeks ago I posted about some experiments with stay alives  on most evenings I run both autocoach schedules.......with a glass of wine....quite therapeutic...
Now there's a fine idea, another very good reason to have my therapeutic glass of an evening! :hmm





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 Posted: Sat Nov 9th, 2019 05:03 am
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Hi Michael,

At the time I bought one, the 6 pin Bachmann DCC Chip was a rebadged ZIMO, in case that's of help. I put it in my 64xx and found it ran like a charm.



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