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digital decoder recommendations for Delta Locos
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Offline dominator  
#1 Posted : 22 February 2018 00:46:00(UTC)
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dominator

New Zealand   
Joined: 20/01/2015(UTC)
Posts: 1,196
Location: Kerikeri
I have these delta locos which have bad running characteristics. 33121,34121, and 33185.

What do you recommend I do to get them running smoothly. Sound could be an option if the cost isn't too much more than a regular decoder so long as it will fit the loco.
I dont have any preferences or favorites. The 34121 has a Glockenanker motor

Dereck
Northland. NZ REMEMBER 0228 for ä
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Offline Bigdaddynz  
#2 Posted : 22 February 2018 01:39:36(UTC)
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Bigdaddynz

New Zealand   
Joined: 17/09/2006(UTC)
Posts: 18,663
Location: New Zealand
Delta deocders did not require a change of motor components, they can drive an AC motor directly.

There may still be a Uhlenbrock decoder that is capable of driving an AC motor, and the only other decoder I know of that can do that is the TD101 from Argentina.

https://www.marklin-user...1-decoder-from-Argentina
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Offline franciscohg  
#3 Posted : 22 February 2018 02:56:46(UTC)
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franciscohg

Chile   
Joined: 10/07/2002(UTC)
Posts: 3,268
Location: Patagonia
Uhlenbrock 76200 is widely available. I just installed 2 of them these days. DCC capable, Decent running characteristics, you can install an Intellisound3 module. I have installed them in some locos that i just dont want to remove the old AC motor, they have gave me a lot of fun.
Regards
UserPostedImage German trains era I-II and selected III, era depends on the mood, mostly Maerklin but i can be heretic if needed XD, heresy is no longer an issue.. LOL
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Offline franciscohg  
#4 Posted : 22 February 2018 03:34:14(UTC)
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franciscohg

Chile   
Joined: 10/07/2002(UTC)
Posts: 3,268
Location: Patagonia
For the 33185 i would definitely go for a full upgrade with 5 pole engine and loksoundV4
UserPostedImage German trains era I-II and selected III, era depends on the mood, mostly Maerklin but i can be heretic if needed XD, heresy is no longer an issue.. LOL
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Offline dominator  
#5 Posted : 22 February 2018 04:06:07(UTC)
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dominator

New Zealand   
Joined: 20/01/2015(UTC)
Posts: 1,196
Location: Kerikeri
Thanks David and Francisco. Good reading. I will have a look tonight when I get home.
Derecki
Northland. NZ REMEMBER 0228 for ä
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Offline DaleSchultz  
#6 Posted : 22 February 2018 04:08:02(UTC)
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DaleSchultz

United States   
Joined: 10/02/2006(UTC)
Posts: 3,997
ESU LokSound/LokPilot decoders (with or without sound) with permanent magnets and existing 3 pole armature.
Dale
Intellibox + own software, K-Track
My current layout: https://cabin-layout.mixmox.com
Arrival and Departure signs: https://remotesign.mixmox.com
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Offline Bigdaddynz  
#7 Posted : 22 February 2018 04:15:30(UTC)
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Bigdaddynz

New Zealand   
Joined: 17/09/2006(UTC)
Posts: 18,663
Location: New Zealand
Going the whole hog with ESU decoders and permanent magnets will give you much better driving than the TD101 / UB76200 and AC motor.
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Offline dominator  
#8 Posted : 23 February 2018 01:31:13(UTC)
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dominator

New Zealand   
Joined: 20/01/2015(UTC)
Posts: 1,196
Location: Kerikeri
Following on from the advice above, I looked up the parts list for 2 of the locos, I found the list for a 33184 and a 3312 which both had the same Feldmagnet [ 231390 ] andMotorschild [ 231350 ] . I could not find the parts list for the 33121 though.
The 3312 has the anker 2455480 and the 33184 [ 5 ] has the anker 231440.. I wont presume the 33121 has the same motor as the 3312, but it might.

I went onto the ESU site and clicked on www.maerklin.de. and got 403 forbidden. Ha Ha. Marklin doesnt want to help ESU.
Northland. NZ REMEMBER 0228 for ä
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Offline AM1  
#9 Posted : 23 February 2018 01:43:27(UTC)
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AM1

Canada   
Joined: 22/04/2017(UTC)
Posts: 9
Location: Ontario, Toronto
Originally Posted by: Bigdaddynz Go to Quoted Post
Going the whole hog with ESU decoders and permanent magnets will give you much better driving than the TD101 / UB76200 and AC motor.


Hi, a couple of questions - do you remove the reverse relay when taking this approach?

Also what is the difference in performance between keeping the 3 pole armature and original shield and upgrading to the 5 pole kit? Let’s assume we use the same decoder in both scenarios.

Thanks and regards.
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Offline Bigdaddynz  
#10 Posted : 23 February 2018 04:02:00(UTC)
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Bigdaddynz

New Zealand   
Joined: 17/09/2006(UTC)
Posts: 18,663
Location: New Zealand
Originally Posted by: AM1 Go to Quoted Post
....do you remove the reverse relay when taking this approach?


Yes, the decoder effectively replaces the reversing unit.

Originally Posted by: AM1 Go to Quoted Post
Also what is the difference in performance between keeping the 3 pole armature and original shield and upgrading to the 5 pole kit? Let’s assume we use the same decoder in both scenarios.


I'm yet to do a conversion using an existing 3 pole armature and motor cover with permanent magnet, but those who have say it does give better drive characteristics.

The difference between a 3 pole and 5 pole upgrade would be in the better slow speed running, and startup torque. I'm sure folks who have done both types of upgrades can elaborate more than I can.

Actually, I might be lying slightly, as I recall doing a decoder upgrade for a friend in a 3000 loco, and I'm recalling that he fitted that with a 3 pole armature and permanent magnet. It certainly drove better than standard.
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