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As frequent readers have read, I modeled in smaller scales and gauges since the late '60s, but am new to O gauge.  Well not so new - three years now.  I was drawn to O gauge by the detail and sound of the newer offerings by various manufacturers.  However starting with a super find one of my daughters gave me for Christmas 2013, I have dabbled in post war and MPC trains.

 

Today it finally dried out enough, and the mowing was down Friday, so I got the chance to set up a new oval of 027 42-inch track to run some of my old steamers.  I can't run smoke in the house.  So here was the lineup:

2026

621 NW2

211 Texas Special

8604 Wabash

8617 Nickel Plate Road

 

Observations

1. I like the noiseless electronic E unit in the 8604 and 8617.  I take it this photo shows part of it.  Woah, discrete components.  As an electronics technician and engineer for 40 years, it's been a while since I saw components big enough to actually work with.

 

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Trying to to show the blue capacitor here, but It barely shows.

 

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I acquired the 8604 in a trade, and when I bought the 8617, I didn't realize they are the same locomotive until I got them side by side.  Well not exactly the same.  On first unwrapping the 8617, I noticed the is big semicircular piece of plastic under the tender with a big tire on it.  I moved the wheel and heard something like broken pieces moving around.  When I got it on the track, I heard it moves those pieces of whatever around to make a sort of chugging noise.  It's not bad, if that's all you know.

 

2. Both 8604 and 8617 smoke great, but the 8617 runs much faster at the same voltage level.  I put both on opposite sides of the oval, and the 8617 caught up in no time.  No 'simulated' double heading here.  I thought if they were the same locomotive, they may run at the same speed to pretend they were coupled together.  No way.  The one with the chuffing roller runs much faster.  I thought that may have caused some drag.

 

3.  The 2026 came with a 6066T tender.  When I took it for service, I only took the locomotive not the tender, since it didn't have a W on the box.  The Lionel authorized service man told me I should have brought the tender to make sure it whistled.  I never opened it up until today, but there is nothing inside.   was there a whistling tender that came with 2026 the 4-6-2 model?

 

4.  I like to run trains fairly slowly' but since these wore made for kids to run fast, I thought I would see what they would do.  The steamers all go faster than I would want to push them.  The Texas Special was going pretty fast when I hit the top end and stayed on the track.. The 621 flew around the track, and finally left the track with volts to spare.  I guess I felt like a kid today.

 

5.  I got this 6419 work car with the the 2026 and 621.  I recently purchased the crane car.  It works.

 

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Oh yes, here is the whole set I got with the 8617.  Pretty nice.

 

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If if you are still with me, any comments or answers would be appreciated.  There was something else I was going to ask, but I typed so long I forget.

Thank you!

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Original Post

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The drive trains in the 8604 and 8617 should be exactly the same.  If one runs faster, it's a matter of lubrication, wheel/chassis alignment, or the permanent-magnet motor has lost some of its oomph since new.  Replacement motors are readily available for a very modest price; I think the part number has "8008" in it.

 

It's also remotely possible that there are two variations of the electronic reversing unit and one of them has more diodes in series, reducing voltage to the motor.  You can even add a diode pair, which will give you more smoke for any given loco speed.  

 

These locos will start moving on straight, level track at 4 to 5 volts, so adding the diode pair will prevent jackrabbit starts if you're going to use them with a postwar transformer that starts at 6-8 volts.  They run best with a moderate load; running light the speed varies all over the place.

 

These "sidewinder" can motors were o.k. in their day, but Lionel took the easy way out when a comprehensive redesign was needed.  Personally I prefer the original Pullmor motors for their rugged character and flywheel coasting.  Or, newer offerings with a longitudinally-mounted motor and flywheel for better control and a more realistic speed range.

 

Last edited by Ted S

Ted,

Yes I can see why any or all of those reasons would make for the speed difference.  I have not read much on the engines from this period.  I used  a CW80 and did not have a voltmeter on it when running.  Both start out pretty smoothly at the lower speed lever.  I have a post war transformer ( I forget the number, it came with the 2026 and 621).  I have not used it with either 8604 or 8617.

Thank you for the information!

 

C.W. And Bill,

Thank you for the information on the 2026 And tender.  No it does not have magnetraction.  I'll jot the number down on my list of items to look for, and maybe pick one up.  It isn't a big deal for me.

Thank you for the information!

Last edited by Mark Boyce

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