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Author Topic: Tiree  (Read 17993 times)

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Offline Newportnobby

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Re: Tiree
« Reply #90 on: August 11, 2018, 12:19:55 PM »
This board is the main in out wiring board for the whole layout,  I think you can see why it took me so long to get going after others had failed. There will be a major rewire once I get to that stage.





Is it safe to come out yet, Mummy? :uneasy:

Offline The Q

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Re: Tiree
« Reply #91 on: August 11, 2018, 04:01:59 PM »
Each of the blue capacitors is an individual  cdu to a point, they are  switched by a relay on the veroboard,  by a 5v signal switched on the control panel.
I've taken about 36 pcbs off the layout  so far,  mostly to do with track sensing,  and led signal drivers. With interfacing logic between them and the points.
I'm intending to keep the individual  Cdus , but switch  semafore signals directly from the control panel.

Offline The Q

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Re: Tiree
« Reply #92 on: August 17, 2018, 10:08:39 PM »
Evening all,
I dug out the bag of points that came with the layout,  there is about 20 in there.  Unfortunately most are long Y s,  there were 3 medium lefts,  but what I wanted for the fiddle yard were 4 short lefts.  I feel an order coming on..
So a lot of this evenings work was cutting out the back board,  and attaching it.  Along with a short scenic back board that will hide part of the fiddle yard.
I also need to find my box of piano hinges so I can fit the front hinged baseboard.

Next week  hopefully  I'll have the four points to fit and the track from them to the end of board 3. Once that section of fiddle yard is installed then it's time to start building the foothills of Bheinn  Ghott.

Offline The Q

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Re: Tiree
« Reply #93 on: August 18, 2018, 05:00:49 PM »
Went to the J50 group show today,  at Neatishead village hall,  3 tiny n gauge layouts,  but they were unfortunately designed to please children.

However I did come way with 4 BR period maroon carriages and few wagons at very reasonable  second hand prices.

Offline The Q

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Re: Tiree
« Reply #94 on: August 24, 2018, 10:29:09 PM »
Well everything didn't go to. Plan,  mostly because I forgot the dremel, so the 4 points are loosely in place as is a metre of track,  but without the dremel I can't do precise track cuts nor drill holes for track pins.
 The cork underlay  was fitted, as was a short section of scenic back board,  the hillside was planned.
So next week I must remember dremel, cutting disks and drill bits.  Also 2 inch polystyrene  for hill construction  and two small bits of wood to brace between the scenic back board and the layout back board.

Offline The Q

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Re: Tiree
« Reply #95 on: August 31, 2018, 10:37:41 PM »
Well I remembered the dremel  and the polystyrene,  but I forgot on Wednesday to buy the expanded mesh I'm going to use to terraform most of the hillside over the fiddle yard.

So five fiddle yard sidings laid and one lead in track.  Mostly using recovered track from the punters side of the layout.  Then the lower slopes of the hillside were laid with polystyrene and PVA. That's now weighted down till next week. Two bracing bars were cut and installed between the scenic back board and the actual backboard .

While sat contemplating the layout I realized that thanks to another track change I have two redundant  points I could remove.  This would give me two more spare point motors, and if recovered safely two spare points.  There is already another redundant point to remove. So I think next weeks work will be these track changes on the scenic side, and hopefully  the terraforming.

I also try to remember  to take some more photos..


Offline The Q

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Re: Tiree
« Reply #96 on: September 07, 2018, 09:55:39 PM »
Well I forgot to take the tablet  to get more photos,  sorry.

What I did take Was The sheet of expanded aluminium, so after some trial fits and some trimming of polystyrene this was bent and fitted to Shape .

 I'm sure I saw a good pair of tin snips on the club tool wall, but no there weren't so a club member lent me his small pair.

Much cutting during which I noticed  some of the holes were filled with red stuff where did that come from?  Then I realized,  me,   the sharp edges had caused several small leaks in my hands. Another club member assisted by holding the mesh from then on, no further small leaks occurred.

The mesh was then screwed to the back board,  and weighed down onto the poly at the front.  It was propped up underneath to give the right curve,  after which several layers of my usual PVA / polyfilla /water mix pasted onto J cloths were applied.

Next week the weight should be removed,  then the front layers applied,   rock faces and track bed start to be formed

Offline The Q

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Re: Tiree
« Reply #97 on: September 14, 2018, 10:31:58 PM »
evening all,  I remembered the tablet  , so here are some photos

First,  the hillside on board three,  the weight removed,  if you can see near the top there are some red splodges,  that's where my hands leaked last week...
This week all that bare polystyrene and the front of the hillside all the way along has been covered  in polyfilla and j cloths. The whole hillside had another coat as well it was still too springy.



Second a long shot from board 2 to board three,  showing where the track comes off the viaduct to get to the hillside.



Third a shot from the rear. Showing under the hillside.



Once all that work of slartybartfast was done,  I turned ganger, at the start of the branch line there was a cross over,  but since on board one I had linked those two lines with a single point.  The cross over was removed,  then if you observe picture 1 , there is a siding near the hillside,  well most of that has been removed.  There will be just a single track that side of the platform you can see the empty spaces for the platform..

Next week,  the navi's work of creating  the cutting along the hillside will continue,  then the ganger will finish removing old track and hopefully start laying the new alignment.

Offline The Q

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Re: Tiree
« Reply #98 on: September 21, 2018, 10:39:45 PM »
I'd been thinking of the shape of the hillside since last week,  and when I arrived I sat for at least 15 minutes looking at it trying to decide what was wrong. Then I realised it looked like  the had added an embankment along side the hill instead of cutting into the hillside as they would have done. It started snowing as polystyrene was carved to shape and fixed in place..
It was then covered in the usual PVA polyfilla mix ímpregnated  j cloths  ( I need to order more) with hollows and rocks formed.

It's now greatly improved,  but  after our tea break I spotted one error and thought of another on the way home. So next week more hillside work is required.
A small section of track was removed along with one point.  A realigned track and point will be fitted.

Just before leaving I was discussing with a club member  her future layout against the way Tiree is laid out.  When I realised the platforms were too narrow to have A rough representation of Kyle station on them.  After more discussions I've decided to put the station in  the foreground with a footbridge across the tracks.  It will sit across boards 2 and 3 hiding the board joins..
« Last Edit: September 22, 2018, 07:27:13 AM by The Q »

Offline The Q

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Re: Tiree
« Reply #99 on: September 28, 2018, 09:47:18 PM »
I have a long drive tomorrow,  so all I did today was the two things I noticed last week.  Mostly making the hillside look more realistic.
While discussing the railway,  I can to a decision,  to single up more of the lines to look more Highland.  This will mean the removal of more points, the changing of a double tunnel mouth to a single,  and some of the old track bed  being filled in..
We also discussed  her metropolitan based line as she has now a bare outline of a plan.

Next week.  No modelling,  we be at the Jubilee Centre Aylsham sitting up for our show..
http://s643945335.websitehome.co.uk/annual-exhibition/

Offline Newportnobby

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Re: Tiree
« Reply #100 on: September 28, 2018, 10:36:00 PM »
the changing of a double tunnel mouth to a single,  and some of the old track bed  being filled in..


Could you not block up one side of the tunnel mouth and have a short piece of overgrown track left there as if the track had been singled which, of course, it has?

Offline The Q

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Re: Tiree
« Reply #101 on: September 29, 2018, 05:53:44 PM »
I will be doing that  for some of it,  but the Highland railway both the Kyle line and the Thurso line or come to that a lot of the main line down south to Perth was single track.  It was / is something that is identfiable as Highland..
This shot is of ravens rock on the Kyle line,
I remember going through on the way to school, it actually looks about 1.5 tracks wide there but narrows behind the camera to single width..  so the top curved cutting on board 1 doesn't need much narrowing down.  Below that is the tunnel mouth I think I could swap that in a couple of 1 hour sessions.  One to remove and fit tunnel mouths plus polyfilla..  The other to paint up and grass.
More Time consuming  would be the viaduct, but I'll just not fit the redundant deck and make it look like they built the stone work for duel track but never used it.
« Last Edit: September 29, 2018, 05:58:00 PM by The Q »

Offline The Q

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Re: Tiree
« Reply #102 on: September 30, 2018, 04:22:53 AM »
Just remembered something,  the Kyle line was built with an extraodinarily wide loading gauge.  The idea was to carry fishing boats from one side of Scotland to the other as the fishing season changed.  It never came off because as the line was beingbuilt and commissioned fishing boats moved from sail to steam. And got bigger.

So the other pictures I've seen must have been older  when the line went through ravens rock cutting down the middle.  The picture above must be after they gave up on the idea,  realigned the track away from the high side of the cutting.  And put the fencing down the side at normal clearances,  saving trying to fence over the top of a Rocky Mountain. 
Now that is an effect I can do quiet easily,  and put a few fallen rocks with undergrowth on the disused side of the cutting...

Offline The Q

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Re: Tiree
« Reply #103 on: October 08, 2018, 09:32:57 AM »
No update on Tiree other than It has been on the floor..
Why?
Because the trestle table it was on was needed for our show. But it's back off the ground now.

Before I clamp the two parts I'm working on back together, I'll fit some ply endplates to the landscape now that  it's built up.

 The show went well, numbers were slightly down, why do people not come out to indoor shows when it's raining?

The standard of the N  Gauge layouts was  good, sadly no pictures I forgot the gadget again.. If there are any put up I'll provide links later..

A final decision on how to transport Tiree has been made, Some trolley wheels ordered, and if the weather is as forecast I can see me making the first one next weekend.. I must make a cutting list for the ply...

Offline The Q

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Re: Tiree
« Reply #104 on: October 12, 2018, 11:38:23 PM »
Instead of putting small bits of ply on the interconnecting hillside I just plastered them up.
Some minor hill shaping was carried out by Slartybartfast. After which Dr Beeching removed another point and some yards of track, I did consider removing two more points and the interconnecting tracks. But that would have required branch line trains leaving their platform,   crossing onto the mainline and then back onto the branch line.

Though I've just had a thought on that and may yet remove them an examination of the track plan is required...

 

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