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American Flyer Transformer 15B

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American Flyer Transformer 15B
Posted by younglionel on Wednesday, August 12, 2009 7:29 PM

Just bought some Lionel stuff that included some interesting pieces.  I know some about Lionel trains but happen to be clueless regarding AF.  Could someone tell me if the 15B trasformer is a sought after model?  What is the approximate value?  It has the original cord (which is brittle) but the box is present (rough condition) but the transformer itself is in very nice condition!  Tied to find a value on fleabay but came up empty handed.  Thank you!Pirate

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Posted by ADCX Rob on Wednesday, August 12, 2009 8:24 PM

 It's one of the larger single train transformers(the 16B at 175 or 190 watts, the 17B at 190 watts, and the 19B at 300 watts are bigger) at 110 watts.  The catch is that the max. voltage under load is only 15 volts, perfect for starter sets and early MPC equipment, and of course S gauge.

Here is a web page that may be of interest to you.

Here is a 15B from eBay.

 

Rob

Rob

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Posted by younglionel on Thursday, August 13, 2009 5:55 AM

Sounds like, even in excellent shape, they are not worth a ton of money?

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Posted by ADCX Rob on Thursday, August 13, 2009 6:05 AM

 It looks that way.  Unless it's sealed NIB, only the largest & best, Flyer or Lionel, bring the $$ in.  There are too many modern options nowadays for them to be in demand from operators anymore.

Rob

Rob

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Posted by Sturgeon-Phish on Friday, August 14, 2009 9:08 PM

The 15B is a very good transformer for the money.  A really nice one can be had for < $50.  They run quiet and do not get hot.  They are also easy to work on.  For running American Flyer trains they can not be beat, but I am very partial to old AF train items.

Jim

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Posted by aflyer on Saturday, August 15, 2009 12:22 AM

I agree with Jim they are a great little transaformer, only 110 watts as previously posted, but I run a small train with one under the tree at XMAS time.  I also have one I am going to hook up to all the accessory lighting ao I can change the voltage  and alter the brightness of the buildings and street lights. 

Well that will happen sometime in the future as we get to doing some scenery and land scaping on the layout.

George

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Posted by Bud69 on Thursday, January 12, 2017 7:53 PM

Moved to FL from NJ and seem to have lost my American Flyer 15B transformer do you have one available?

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Posted by Sturgeon-Phish on Friday, January 13, 2017 6:45 AM
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Posted by richhotrain on Friday, January 13, 2017 6:54 AM

Sturgeon-Phish

Jim, as an alternative to a used transformer, what would you recommend in the way of a new transformer to run a late 1940s or early 1950s American Flyer train?  Or, better yet, a new transformer to run two American Flyer trains on separate tracks?

Rich

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Posted by Sturgeon-Phish on Friday, January 13, 2017 7:20 AM

Rich, 

I only have one "new" transformer and it is the one that came with my Polar Express.  The rest of my transformers are "vintage" I guess.  When I run the PE, I use the old transformers.  My favorite and the one I ran on my layout is the 30B, 300 watts, dual controls.  It can run for hours and not get hot.  I also have a 22090; 350 watts dual control.  I've not had a layout since getting the 22090 but I would expect it to be just as good. 

For the money an 8B is hard to beat.  Here is an 8B on my test rig

 

Here is my control panel with a 30B & a 17B

Jim 

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Posted by Sturgeon-Phish on Friday, January 13, 2017 7:24 AM
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Posted by richhotrain on Friday, January 13, 2017 7:39 AM

Sturgeon-Phish

Rich, 

I only have one "new" transformer and it is the one that came with my Polar Express.  The rest of my transformers are "vintage" I guess.  When I run the PE, I use the old transformers.  My favorite and the one I ran on my layout is the 30B, 300 watts, dual controls.  It can run for hours and not get hot.  I also have a 22090; 350 watts dual control.  I've not had a layout since getting the 22090 but I would expect it to be just as good. 

For the money an 8B is hard to beat.  Here is an 8B on my test rig

 

Thanks, Jim, I still have my original 1A and 8B transformers, but either the 8B transformer has lost some of its power or my vintage open frame motor on my steam engine has seen better days because it seems to lack the necessary power to reach top speeds.

Rich

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Posted by lionelsoni on Friday, January 13, 2017 8:31 AM

I have a 30B that I used for a while.  It looks cool; and I liked that it shut off when I lifted the handle; but I couldn't get used to the fact that the two controls worked in opposite directions.  I was always turning it up when I wanted to slow down, and vice-versa!

The low voltage is also a problem, especially with my 773s.  You can't get anywhere near 300 watts out if you can't get the voltage that your locomotive needs to draw enough current.  Now I use a couple of (heavily modified) Lionel Zs.

Bob Nelson

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Posted by Sturgeon-Phish on Friday, January 13, 2017 10:30 AM

Bob,

I agree on all your comments!  The "deadman" control is great but the reverse operation is akward at best.

Jim

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Posted by richhotrain on Friday, January 13, 2017 10:35 AM

Jim, any thoughts on rebuilding the innards on my old 8B transformer?

Rich

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Posted by Laurastom on Friday, January 13, 2017 10:56 AM

The 15B is a great transformer to run original Gilbert trains. I have several of the 15B's as well as 17B's and 19B's. The 19B is nice because it has a volt meter and an ammeter. The 15B was rated 16V output at 115V primary. with modern house power voltage at 120V or slightly higher the 15B may output up to 17V. When running an original Gilbert steam engine with 4 lighted passenger cars there is no discernable difference between a 15B and the 300W 19B. The total current draw for that train is under 2.5A for the engine and under 2A total for all the cars. This is not Lionel, the passenger cars are illuminated with one bulb and a well maintained engine will derail on curves operating above 12V.

I always use a separate transformer for the high wattage accessories such as the Gilbert turnouts and illuminated accessories.

Regarding a recommended modern transformer the MRC PurePower transformers are a good choice. If the layout has any engines with the original Gilbert air chime whistles and horns a pure sine wave transformer is required. Any harmonics in the output will be reproduced in the air chime speakers causing them to sound continuously. I use an MRC AH101 270W dualpower transformer with the tethered remotes. This transformer has a "chopped" or phase angle controlled output. I have disconnected the speakers in the engines and tenders I run on that layout. The air chime whistles actually sounded better with the transformer harmonics than with the original vibrator tube controllers.

From my very limited Lionel experience I would not recommend Gilbert transformers to operate Lionel trains. Many of the engines seem to want more than the nominal 15V output of the Gilbert transformers.

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Posted by Sturgeon-Phish on Saturday, January 14, 2017 6:56 AM

Rich,

Is a repair or to refurb a working transformer?

If a reapir, unless it is something simple, or the transformer in question is special in another way, or you just want someing to do, get another 8B.  They go cheap and are very common.

With that said, my experience the most common problems are the handle is loose or  probably the circute breaker is stuck or bad.  Try putting a jumper around the CB and see if the transformer works.  If it does work try manually resetting CB.  If you need a CB PM me I've got a few in my parts box I think you can have.

Jim

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Posted by richhotrain on Saturday, January 14, 2017 7:24 AM

Sturgeon-Phish

Rich,

Is a repair or to refurb a working transformer?

If a repair, unless it is something simple, or the transformer in question is special in another way, or you just want someing to do, get another 8B.  They go cheap and are very common.

Jim, it is a working transformer, and deep nostalgia requires that I keep my nearly 70 year old transformer.  I may well be wrong, but it seems to me that the transformer is not putting out enough power to run my 1948 steamer at the highests speeds.  Or, maybe the problem is the motor on the steam engine itself.

Is there a way to test the transformer output?  A voltmeter, perhaps?

When I resurrected my two American Flyer locos from a 45-year period in storage back in 2010, with your help and that of a few other forum members, I abandoned the original reversing unit in the tender of the steamer in favor of a Dallee Reversing Unit. I also replaced the worn down motor brushes but the original commutator and armature remain in place, albeit in cleaned up fashion.

On my 1957 switcher, the entire guts of the motor/reversing unit were beyond repair, so I replaced the motor/reversing unit with a Dallee Can Motor Conversion Kit.

The switcher runs great, but the steam engine runs a little slow.  I realize that it is not necessary to run the steamer at the highest possible speed, but I did it at age 7, so why not now?  LOL

Any advice?

Rich

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Posted by Laurastom on Saturday, January 14, 2017 10:00 AM

Rich, it is easy to check with a volt meter. First check the wall outlet, it should read about 120V. If so, plug in the 8B and check the base post to 15V post. It should be about 16V with 120V on the primary. Then check base post to the 7V-15V post. With the handle off it should be zero, as you rotate the handle the reading should jump to about 7V then max out at the same 16V as the fixed voltage post. Now put the steam engine on the track that seems to be running slow and set the 8B to full voltage. With the engine running measure across the rails. It should be at least 14V.

You now know if the problem is in the engine or the transformer or possibly a high resistance connection such as at the 690 track clip. If there is a high resistance somewhere in the connections the diesel can still run fast because they typically draw less current than a steam engine.

If the track voltage seems ok stop the engine and spray a little electrical contact cleaner on the face of the commutator. now see how it runs. If noticabley faster then the issue is the commutator needs resurfaced, the brushes or brush springs need replaced or the thin spacer washers on the commutator shaft are incorrect causing the assembly to run slow or not be centered in the field.

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Posted by Sturgeon-Phish on Saturday, January 14, 2017 11:00 AM

Rich, 

Laurastom is correct in the troubleshooting, but it may hard to keep the steamer on the track at 14V+.  What I use is an ammeter, go back to the pics of the control panel and test rig.  The black box on the test rig holds a voltmeter and an ammeter.  Does the 8B get warm as you are using it with a particular engine?  If so start looking into the engine in question.  The AF manual says that the typical steamer should not draw more than 2.1 amps while pulling 4 box cars at the speed of 9 revolutions around a 140" oval of track.  When you see >2.5 amps, there is something up, needing lubing, cleaning out old gunk, carpet fiber or dog hair.  From there cleaning the commutator face and segments, and making sure the brush springs are not too long pushing the brushes too hard onto the commutator. 

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Posted by lionelsoni on Saturday, January 14, 2017 11:13 AM

One possibility is that the steam locomotive's aftermarket reversing unit is dropping the voltage a little.  It is possible to do the job of the original unit with no drop, usually by using relays to switch the armature polarity; but it can also be done, probably more cheaply and in a smaller package, with solid-state devices and a small penalty in voltage, perhaps a volt or two.  Do you have any technical information about your reversing unit?

Bob Nelson

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Posted by richhotrain on Saturday, January 14, 2017 11:21 AM

I don't have my American Flyer out at the moment so I need to go down to the basement and set up some track.  I will do that this weekend and report back.

Thanks for all of the good advice.

Rich

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Posted by richhotrain on Sunday, January 15, 2017 4:15 AM

younglionel

Just bought some Lionel stuff that included some interesting pieces.  I know some about Lionel trains but happen to be clueless regarding AF.  Could someone tell me if the 15B trasformer is a sought after model?  What is the approximate value?  It has the original cord (which is brittle) but the box is present (rough condition) but the transformer itself is in very nice condition!  Tied to find a value on fleabay but came up empty handed.  Thank you!Pirate

 

My apologies to younglionel for hijacking his thread.

Rich

Alton Junction

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