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Homemade headlight reflector with LED
Posted by Graffen On 03/22/2018 At 2:41:58 PM
Latest project ....
A reflector with light for my narrow-gauge locomotives.
The diameter of the reflector is 4 mm.
The LED is 0.5 x 1 mm!
The reflector is made out of aluminum from oven trays.
I took a nut of the right diameter and slowly pushed the aluminum with the rounded top of the hat from a ballpoint pen.
Then I rough cut the edges and filed it to shape with a needle file.
I then drilled a 0.8 mm hole in the center of the reflector.
I glued the LED to the backside of the reflector with epoxy.
The LED is a bit too white, so it'll get a drop of Tamiya transparent orange.
Then I'll take Microscale Crystal Clear and fill the reflector so it gets a lens.

Have You Had a Quickie Lately?
Posted by CWRailman On 03/22/2018 At 11:48:42 AM

Check out our 03/22/2018 Blog to see our suggestion for a quick 15-30 minute modeling project that will add to any rustic scene. http://www.cwrailman.com/blog.html
Janitor in Training
CW Loco and Car Rebuild Shops
WEB site: http://www.cwrailman.com/
Facebook: CWRailman

LED Light testing How-to & Homemade testers
Posted by desertdrover On 03/19/2018 At 3:45:11 PM
There are many questions from Forum members on how do I test an LED. Here are four (4) How-to ways to accomplish this task. Depending on your needs or skills these are some pretty simple ways to get the job done. Starting 1: with a Digital Multimeter, 2: using 9 Volt battery with 1K Ohm resistor in-line homemade tester, 3: using two (2) double ďAĒ batteries, or 4: a nifty little gadget from Ngineering using a Nine (9) volt battery with a circuit board with installed resistors for testing LEDís.
Starting with the use of a Digital Multimeter, connect the Black test lead to the COM jack and the Red test lead to the Note that the polarity of the Red test lead is ď+Ē).
Set the meter Function switch to the range (see picture below) and connect the test leads across the diode/LED. If the LED does not light, switch your red and black leads on the LED. When the LED lights whatever black lead clip is on your LED leads will be your (-) Neg. Cathode lead and that is where your resistor will be placed when installing into your Locomotive, Rail Critter, Structures or any LED lighting situation.

Second method using a homemade 9 Volt battery with 1K Ohm resistor in-line homemade tester. Get a set of red and black wires on a 9 volt battery snap on clip, and place an LED holder, or red and black alligator clips, on the other end of the red and black wires. Place a 1K Ohm resistor in-line on the black wire. To test an LED, place the LED into the LED holder, or use your alligator clips, and again if it lights, note what lead the black wire goes to on the LED leads, and that is your (-) Neg. Cathode lead and where your resistor is attached.

Third method using a double ďAĒ battery case with two (2) double ďA batteries homemade tester. Attach a set of red and black alligator clips to the battery case red and black wires. (No resistor needed for this tester) Connect your LED to the tester clips and again, if it lights, note what lead the black wire goes to on the LED leads, and that is your (-) Neg. Cathode lead and where your resistor is attached for when you install it into your locomotive decoders White (Forward) or Yellow (Reverse) light leads.

The last LED tester is a device made by Ngineering, Part #N8021, for testing LEDís, nothing more than the same as your homemade second tester using a nine (9) volt battery and resistor. This device already has a resistor installed into a circuit board with nice convenient attachment clips for your LED leads. And same as all the other testers, the black lead shows your (-) Neg. Cathode lead and where your resistor gets attached prior to installation.

Also posed into the DCC, Computers and Electronics for Model Railroads
"Natural" Porch Posts
Posted by TC On 03/17/2018 At 11:14:13 PM
I'm looking for some creative ideas on how to model (in 1:87 scale) porch posts similar to the ones in this photo by Dorothea Lange (found at this Wiki link) taken by her in Gordonton, North Carolina. Anyone have thoughts on how to approach it?

Another Photo Run-By at the F&SM RR
Posted by halrey On 03/17/2018 At 6:36:57 PM
Well, I made another photo run-by at the F&SM RR two days ago. George has replaced some of the older buildings that had been built in a rush with some new structures. The restaurant with the pawn shop are a Downtown Deco kit, while the other 2 are scratch built. The fish company bldg. covers a turnout motor.
Always new improvements every time I stop by, got to love it!


Grandt Line Closing
Posted by GregW66 On 03/14/2018 At 12:55:38 PM
I got a tip on Facebook that Grandt Line is closing. Hoping to get the word out so someone might pick their line up.
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 Posted By: Ron Haviland 
Just found this site I have looked at several threads. WOW! Karl O. is quite the modeler. I have found several tips that I will gladly use.
Just starting on my railroad after waiting for years for the spare time, spare $ & spare room. LOL (Honest Honey; I'll only spend about an hour a week in there.
Once I get something really going I'm sure I'll register and make some posts.
Signed: 11/26/2008 3:22:11 PM
 Posted By: Martin K. Van Horn 
On30 modeler off-and-on since 1954. Came to this site to view friend Les Davis' locomotives.
Signed: 11/9/2008 4:36:40 PM
 Posted By: C. Jeff Dyrek 
I was just looking for pictures of the Alaska Railroad.

Thank you. C. Jeff Dyrek
Signed: 10/24/2008 5:39:26 AM
 Posted By: Mike Rhoda 
This site is like the proverbial "kid in the candy store" (shows my age, I guess). I'm armchair modeling in On30 'till the basement's done, and loving the contributors. Thanks !
Signed: 9/2/2008 9:26:43 AM
 Posted By: nicktisch 
Thanks for the great notes about the Divco Milk Truck. The Woodward Cruise was the first time it was shown since restoration.
Signed: 8/26/2008 9:20:20 PM
 Posted By: John Cecil Gray 
Just Browsing for ideas and hints for the Linwood & Federal RR
Signed: 8/19/2008 9:36:02 PM
 Posted By: Richard M. Reid 

Inspiring work gentlemen!!!!!!
Signed: 6/30/2008 6:47:14 PM
 Posted By: simenon 
Looking for model rocks
Signed: 6/28/2008 10:07:46 AM
 Posted By: Bob Hunt 
Plummeted into the forum for the first time this evening looking for some info on Campbell Scale Model kits. I am joining immediately. I am semi-retired, teach guitar and bass, love HO and have practiced proto-87 for three years now, having only a "test bed" in the garage. I hope ot learn and participate in the forum as much as possible. Thanks for being here. Bob
Signed: 6/22/2008 12:21:05 AM
 Posted By: Kenneth Duwa 
New builder, trying to make a river, need to know how, step by step
Signed: 5/17/2008 11:01:18 PM
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