Discussion in 'N / Z Scale Model Trains' started by RAY METIVIER, Jul 17, 2002.
Length of runway faceing west
Length of runway faceing east
I bet the passengers in your DC-3 are beginning to wonder if they will ever get on the ground.
Ray you should try to add some tire stripes from previous landings
So do I Ray! What type is the biz-jet? ... and by which model manufacturer?
I second SmolderZ's suggestion - some tyre strikes around the touchdown zone would enhance the realism.
I used 1.5mm green LEDS for taxyway lighting and small grain-of-sand bulbs for runway lights on my model airport. (but knowing you and your excellent work on "action" details, you've probably already got something in the works to make yours a day/night airport)
Just think they have to eat airline food 24/7
Plans on the way, working on a rotating beacon.
Here are pictures of my next project. A mobile home park. Would like to finish for open house the 2nd weekend of Nov.
Piggybacking on Gavin's thoughts, runway lights would be AWESOME. It would only fit to be on your layout!
runway lights would not only look great but wouldn't be that hard to make. Here are instructions so that they will "chase" down the runway just like a prototypical one would. I found this schematic at http://www.uoguelph.ca/~antoon/gadgets/gadgets.htm
U1 = LM555 timer/oscillator
U2 = 74LS190
U3 = 74LS42
U4 = 74LS76
P1 = 10K
R1 = 10K
R2-R11 = 220 ohm
C1 = 100nF, ceramic
10 LED's, high brightnes or ultra-bright
ERRORS FIXED 11-18-2002: Pin 1 of the 555 should go ground and not via a capacitor. Pin 5 is normally not used but can include a small ceramic capacitor to filter noise. There were two pin-8's on the 74LS42 and should have been pin 8=ground and other pins are pin 9(was 8), 10(was 9), and 11(was10). Pins 2 & 3 of the 74LS76 (IC4) were labeled wrong also. They are corrected to 'pre' and 'clr'. Also, pin 2 of the 7476 goes to pin 1 of the 7442 and pin 3 of the 7474 goes to pin 11 of the 7442 (was connected to the resistor end). Tim's pcboard correctly indicates the changes, so pcb is correct! Checked my old emails and Tim's one was there indicating the errors. Just forgot to make the changes (red face).
Thanks to Mark, Tim, and Angel everything seems okay now!
U1, the 555 timer/oscillator clocks a 74LS190 up/down counter (U2). The 74LS190 drives a BCD decoder driver 74LS42 (U3). The 74LS76 has as task to reverse the count on 0 to 9 to 0 and so on. P1 sets the up/down counter speed. R2 to R11 are all 220 ohm carbon-type resistors.
You may have noticed in the diagram it does not specify the 'LS' (Low Schottky) IC types but done for simplicity reasons. If your circuit is powered from a battery you definately should use the LS versions as the current draw is significantly less and so your battery pack will last longer. Same for the 555; use the cmos version to cut down on power.
Click here LM555 for more information and data on the 555 timer/oscillator IC. Keep wires as short as possible since too long wires may be a cause for interference (RFI).
Well, you did it now. I'll start looking for parts tomarrow.
thanks. That will be cool!
On this picture I see 4 railway crossing signals, I got a few questions about em:
-Did you buy them somewhere or did you make them yourself?
-Are they activated when a train comes close or are they always on or off?, if yes how does a approaching train activate them?
-What are the dimensions? height and width.
Well I'm going to try to build my own in Z-scale, I think I'll modify some Viessemann Z signals.
The crossing signals are made by Model Power, Walters #490-8574. They are too large for N scale, Had to work on them to look good. I would say they are much too large for Z.
At the present time they are switched on and off. Plan to get detectors in the future.
I found it at a few shops:
I was thinking to build my own from scratch, this is a pretty good reference model, I could also wait for a company to build them, I got plenty of time
Very simple ones are made by Micronart (http://www.micronart.com)
This picture is from scale N, but they look the same in Z I presume:
I think I'll start with those and upgrade them if something better comes arround.
Ray I came across a sound system that was able to produce a typical american railroad crossing bell sound, they had a sound sample on there website and it was really good!, I lost the site but if I find it I'll post it here.
Scroll down and click on:
DM310/ITTC-310 Grade Crossing (10 Seconds) & Grade crossing (20 Seconds)
It sounds pretty good
Hope you don't think I was putting you off. I could not find the package thr jet came in, then I remembered I had it on my favorites. So it's a Lear Jet 45 made by HOT WINGS.
Progress on mobile home park
Long way to go yet.
Nice work Ray!
Can't wait to see the final product!
Yor're giving them way too much room Ray! All of the trailer parks I've seen only have aboout 10' between them. This must be on of those upscale ones that don't allow cars up on blocks in the yard.
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