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Author  Topic Next Topic: Tyco Piggyback Trailer & Truck Collection Pix  

tyco collecter
Switcher

Streak

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 Posted - May 22 2022 :  11:40:07 AM Link directly to this topic  Show Profile  Add tyco collecter to Buddylist
I have a problem with my Tyco Amtrak coaches. I want them to stay lighted when in operation, and they constantly flicker. I have been meaning to fix this for a long time, but don't know how. Any info would be appreciated.
 Country: USA  ~  Posts: 6  ~  Member Since: May 12 2022  ~  Last Visit: May 26 2022 Alert Moderator 

scsshaggy
Big Boy


scsshaggy

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 Posted - May 22 2022 :  3:13:40 PM Link directly to this reply  Show Profile  Add scsshaggy to Buddylist
quote:
I have a problem with my Tyco Amtrak coaches. I want them to stay lighted when in operation, and they constantly flicker. I have been meaning to fix this for a long time, but don't know how. Any info would be appreciated.

Originally posted by tyco collecter - May 22 2022 :  11:40:07 AM


Usually, that means the wheels are dirty.

The pickup could also be improved by wiring together multiple cars, though if you're a collector, I don't know if you want to ruin the originality of the cars.

It can be difficult to tell what you least expect the most.
 Country: USA  ~  Posts: 2249  ~  Member Since: September 17 2013  ~  Last Visit: August 08 2022 Alert Moderator  Go To Top Of Page

RP model railroads
Big Boy



double nickel

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 Posted - May 22 2022 :  10:47:16 PM Link directly to this reply  Show Profile  Add RP model railroads to Buddylist
To improve pickup, just add a drop or 2 of synthetic oil into the areas where the points or ends of the axles spin inside the trucks, on the brass (contact) sides of the axles.
"Let your light so shine before men, that they may see your good works, and glorify your Father which is in Heaven." - Matthew 5:16

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Brian4321
Hudson

Gilbert HO

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 Posted - May 22 2022 :  11:36:43 PM Link directly to this reply  Show Profile  Add Brian4321 to Buddylist
quote:
I have a problem with my Tyco Amtrak coaches. I want them to stay lighted when in operation, and they constantly flicker. I have been meaning to fix this for a long time, but don't know how. Any info would be appreciated.

Originally posted by tyco collecter - May 22 2022 :  11:40:07 AM



If the cars have derailed and/or been dropped, the bulb could be loose.
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Guidostrains
Switcher

ChicagoNorthWesternAvatar

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 Posted - June 07 2022 :  6:54:02 PM Link directly to this reply  Show Profile  Add Guidostrains to Buddylist
One option would be to add a capacitor inline with the lights. The "keep alive" option on DCC decoders use this. I am not an expert in electronics, so the size of capacitor someone else will have to help with.
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ScaleCraft
Big Six

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 Posted - July 22 2022 :  11:41:58 PM Link directly to this reply  Show Profile  Add ScaleCraft to Buddylist
SuperCaps would work. Voltage you need and 6-8 farads worth. Each car.

Or, troubleshoot. Are the trucks wired? As in, wires attached to the truck, up through the floor, to the bulbs? Or just truck bolster rubbing on metal frame bolster and kingpin?

Plastic trucks with wipers? Metal trucks?

As said, dirty wheels...but if wipers, corroded on back of wheels or axles. Metal truck to metal frame, corrosion. Used to cause Athearn diseasmals to stutter and flicker at low speed. I've fixed dozens of those with hard wire for frame contact.
Add to that the light weight of plastic Half 0 stuff....
 Country: United Kingdom  ~  Posts: 350  ~  Member Since: April 26 2013  ~  Last Visit: July 28 2022 Alert Moderator  Go To Top Of Page

microbusss
Big Boy





tiger

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 Posted - July 23 2022 :  2:05:36 PM Link directly to this reply  Show Profile  Add microbusss to Buddylist
actually you gotta put in a diode or something like that to keep them on
I'll ask a friend how since he did that to a customers passenger cars
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jward
Big Six

PRRShieldAvatar

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 Posted - July 23 2022 :  5:23:09 PM Link directly to this reply  Show Profile  Add jward to Buddylist
quote:
One option would be to add a capacitor inline with the lights. The "keep alive" option on DCC decoders use this. I am not an expert in electronics, so the size of capacitor someone else will have to help with.

Originally posted by Guidostrains - June 07 2022 :  6:54:02 PM



I would not advise using capacitors in this circuit. ELectrolytic capacitors are polarity sensitive. You wouldn;t want one to go boom when you changed direction.
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scsshaggy
Big Boy


scsshaggy

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 Posted - July 23 2022 :  11:10:56 PM Link directly to this reply  Show Profile  Add scsshaggy to Buddylist
quote:
I would not advise using capacitors in this circuit. ELectrolytic capacitors are polarity sensitive. You wouldn;t want one to go boom when you changed direction.
Originally posted by jward - July 23 2022 :  5:23:09 PM


A bridge rectifier would make the polarity always the same in the lighting circuit, but would result in the lighting circuit having about 1.4 fewer volts than the track. A silicon diode loses .7 volts, and the rectifier would mean two diodes at any time in series with the lighting circuit. I don't know whether that would make it impractical or not.

It can be difficult to tell what you least expect the most.
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jward
Big Six

PRRShieldAvatar

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 Posted - July 25 2022 :  4:57:18 PM Link directly to this reply  Show Profile  Add jward to Buddylist
I think you may be onto something. A capacitor across the DC outputs of a bridge rectifier should eliminate any flickering. Browsing the net, I found this on Imgur. I don;t know who to credit this image to but the circuit should work well.




 Country: USA  ~  Posts: 298  ~  Member Since: December 22 2013  ~  Last Visit: August 08 2022 Alert Moderator  Go To Top Of Page

jward
Big Six

PRRShieldAvatar

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 Posted - July 25 2022 :  4:58:17 PM Link directly to this reply  Show Profile  Add jward to Buddylist
quote:
I think you may be onto something. A capacitor across the DC outputs of a bridge rectifier should eliminate any flickering. Browsing the net, I found this on Imgur. I don;t know who to credit this image to but the circuit should work well.









https://imgur.com/9MyPeCD

Originally posted by jward - July 25 2022 :  4:57:18 PM

 Country: USA  ~  Posts: 298  ~  Member Since: December 22 2013  ~  Last Visit: August 08 2022 Alert Moderator  Go To Top Of Page
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