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Thursday, October 14, 2010

Is the Line Clear.........

With all the discussions about blocks, staff and sections it got me to thinking as to how I was going to control or prevent head on meets between crossing loops on my layout.

Now that there is actually something to see on the home layout, I can let you know that the backdrops are 600m high and there is no way you can see over them or around them when you are following your train so I felt this was pretty important.

Now I am not the sharpest tool in the shed so I wanted something either of the shelf or pretty easy to wire and use. After our last Tuesday nighters and Blog reading I thought the simple two way switch idea (like in your house) with a meter at either end of the block would do the trick.

In the examples shown the train is heading to your right as you look at the screen.

This shot shows my "block instrument" indicating the next section is clear. The train can depart knowing the line is clear.

As the driver departs the station he flicks the switch to show the line is "closed".

At the other end of the section the "block intrument" indicates line closed.

When the train arrives "complete" in the station or loop the driver then flicks the switch on the "block instrument" to show the previous station or loop the line is clear.

The train heading right will have to wait in the loop as a train is approaching (heading left on screen).

Having said all that, simply put when you enter or leave a section you just flick a switch. As there is a meter and switch at either end of the section this could also be controlled by the ASM if your operating session has enough people.
This circuit is powered by any power supply you like and is totally independant of the track power. I have used 240volt light switches because they are easy and cheap to get second hand but more importantly are very robust.
This mock up panel is powered by a 9 volt battery however when installed on the layout I will use 12 volts. The meters are simple Micronta ones with a resistor in series to the positive. Depending on the power supply you use will depend on the resistor.
I have then made up stickers to cover the meters with the wording from the "General Appendix".
Anyway enough of my ramblings and thanks again to all who started the discussions.
I look forward to catching up at the New England Convention.

Sunday, October 3, 2010

Holidays in the way!!!!!!

G'day to all, I have been very quiet on the updates of late because I have been busy in the shedmaking and repairing all those things that have to be done when you live on property.

Since my last posting, I have finished the corner return module and have installed it ready for the peninsular modules to be constructed.

The divider is actually the backdrop for the centre peninsular.
The back module is also completed and installed. There just needs some minor adjustment in the legs (screw feet) to make the back drops line up.Module completed

My holidays were fast approaching and not wanting to have anything half finished on the workshop floor I opted for some fun and cut out the ply and the risers for the terminis station area. I had already mapped out the track plan so it was just a matter of cutting an 8 by 4 sheet in half, then cut out the scenery areas.

Plywood just sitting there awaiting fixing.

Well after spending 2 weeks on Fraser Island, fishing, relaxing, 4WDing, fishing and did I say relaxing, we came home.

It has been raining here since I have been away so I will need to get into cutting the grass before the lions take over.

Anyway enough from me. Bring on the Tuesday nighters.