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Scale Buildings, Warehouses and Structures. If you have buildings and other structures that you have built to use with your Rc's here is your place to share them.


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  #1  
Old 01-09-2017, 07:59 PM
frizzen frizzen is offline
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Default Wanco vertical mast arrow board

A while back I noticed one thing that i see *everywhere* around construction equipment, but i don't see it anywhere in 1/14 stuff online...

I need an arrow board!
http://www.wanco.com/products/detail...148&type_id=10

Little math and caliper time later, i broke out the solder station.
http://www.555-timer-circuits.com/flashing-led.html



15 yellow 3mm LEDs, a 555 timer chip, 2 resistors, a capacitor, an on/off switch, and 3 position switch. I can turn my board on and off, or set it to point either direction, or as a center line for slow moving hazard.

I have it set as mono flash instead of sequential since that's all i ever see around here, and the circuit is much easier to build. Right now i'm sitting around 4 sec on 4 off, i need to play around with component values to get the flash rate up to 1/2 - 1 hz.

Then i'll need to get brass stock and build the trailer!
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Old 01-20-2017, 07:09 AM
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Hofabooz Hofabooz is offline
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Default Re: Wanco vertical mast arrow board

Hi

That looks great cannot wait to see it completed.

Thanks for sharing
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Old 01-20-2017, 11:04 PM
Bg416 Bg416 is offline
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Default Re: Wanco vertical mast arrow board

looks good !! following along so post lots of pics
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Old 01-26-2017, 05:03 AM
frizzen frizzen is offline
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Default Re: Wanco vertical mast arrow board

I missed that theres some interest and you're following so let's go build one instead of just a couple random updates.

LET'S GO SCREW UP SOME TRAFFIC!!!

The arrow board is 4x8 foot, at 1/14 scale is 3.4" by 6.8". I used 0.040" styrene.

The center row has 7 leds, so mark horizontal center full length and find vertical center. Mark that, then go 1" out on each side for next 3 leds on each side.
Grab a square, make a line square inline with 2nd led from each outer side.
Mark 1" from center up and down on that line.
Split the distance between what you just marked and the outer led.
Drill for leds, poke them in holes.

If you want all the lights to go on/off together:
Wire the 3 center and both outside leds together.
Wire the 4 leds on 'arms' of the arrow, and the opposite side 2nd from outside leds together
Do it again.

Now you can build the timer circuit and hook up the switches.
Power and ground out of the 555 go to center line(throw a resistor on power leg).
Tie both grounds on the directions into center circuit.
Tie power off the center circuit to the center of a 3 pos switch, each outer side of switch goes to power side of a direction circuit.


I think the real one uses 2" box tubing, but thats 0.142". BUT 1/8 brass stock at 0.125" is scaled to 1.75" box tubing. Close enough for me. I just didn't buy enough to be a meaningful update yet
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Old 01-26-2017, 06:37 AM
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Default Re: Wanco vertical mast arrow board

this is neat great idea
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Old 02-09-2017, 10:19 PM
frizzen frizzen is offline
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Default Re: Wanco vertical mast arrow board

I'm using a 555 timer chip in mine. Due to the chip being used to teach electronic theory, there's not a lot of help in figuring timing other than "well here's the formula."

http://houseofjeff.com/555-timer-osc...cy-calculator/

Plug in how you want it to flash, and it suggest components that will get you there.
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Old 02-25-2017, 02:10 AM
Nikaem Nikaem is offline
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Default Re: Wanco vertical mast arrow board

I have 5 of these on trailers made by fisher price go them for about a dollar each at the thrift store
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Old 02-25-2017, 10:36 PM
frizzen frizzen is offline
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Default Re: Wanco vertical mast arrow board

Post up a pic!
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