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BR 01 Front Bogie sparking on Turn-outs
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Offline Caplin  
#1 Posted : 23 July 2008 02:32:38(UTC)
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Caplin


Joined: 23/03/2005(UTC)
Posts: 2,497
Location: Denmark
Hi.

While waiting for my BR 44, I managed to acquire a nice looking and running BR 01 (3048) from the local QXL. It was already digitalized with a 5-pole motor as well as a smoke generator.

UserPostedImage

However, I have found that the front bogie is shorting when passing my curved turnouts (the only turn-outs I have on my small oval). Expecting that the higher pukos are the source. In the bottom picture it is clear to see, that the front wheels have burn marks. In order to eliminate the shorting I placed a piece of tape on the lower surface of the bogie. Surprise - it worked - no more sparking. So for now the problem is minimized but not solved.

Is there an issue with the very old locos running on C-track?

The front bogie with burn marks and tape attached:
UserPostedImage

Regards,
Benny - Outsider and MFDWPL
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Offline DasBert33  
#2 Posted : 23 July 2008 10:32:19(UTC)
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DasBert33

Belgium   
Joined: 21/01/2004(UTC)
Posts: 1,245
Check the wheel distance. I had the same with an old nohab (same burnmarks on the wheel of the bogie with the slider). I managed to completely fix it by enlarging the distance to the correct value.

There was a thread in here somewhere about that, with a discussion about the correct wheel distance dimensions, but I can't seem to find it. AFAIK It should be around 14.0mm for Marklin, and around 14.2mm for NEM/DC trains.

Bert
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Offline john black  
#3 Posted : 23 July 2008 13:16:33(UTC)
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john black

United States   
Joined: 22/04/2004(UTC)
Posts: 12,139
Location: New York, NY
Congratulations, Benny - one of M's most beautiful classic heavy-metal steamers SmileSmileSmile
I hope no one visits a poor Southener's layout in Brooklyn. Intruders beware of Gators.
AT&SF, D&RGW, T&P, SP, WP, UP, BN, NYC, ARR, epI-III - analog & digital Marklin Classics only.
CU#6021 FX-MOTOROLA DIGITAL SYSTEM. Fast as lightning and no trouble. What else ...
Outlaw Member of BIG JUHAN's OUTSIDER CLUB. With the most members, worldwide
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Offline Caplin  
#4 Posted : 24 July 2008 03:19:14(UTC)
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Caplin


Joined: 23/03/2005(UTC)
Posts: 2,497
Location: Denmark
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by DasBert33
<br />...There was a thread in here somewhere about that, with a discussion about the correct wheel distance dimensions, but I can't seem to find it. AFAIK It should be around 14.0mm for Marklin, and around 14.2mm for NEM/DC trains.
Here is one of Henrik's:

Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by hxmiesa
<br />One of the reasons could be the gauge; Märklin normally needs 13.8-14.0 mm inside space between the wheels, while the DC-norm is around 14.3mm. This is the most common reason fro derailments (on switches).
I think you are spot on, thanks. I measured the distance (back to back of the bogie wheels) on both my brand new BR 64 and the old BR 01. The BR 64 measured 14,1 mm whereas the BR 01 measured only 13,6 mm. I will try to increase the distance and see what happens.
Regards,
Benny - Outsider and MFDWPL
UserPostedImage
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Offline Caplin  
#5 Posted : 24 July 2008 03:25:30(UTC)
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Caplin


Joined: 23/03/2005(UTC)
Posts: 2,497
Location: Denmark
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by john black
<br />Congratulations, Benny - one of M's most beautiful classic heavy-metal steamers SmileSmileSmile
Thanks John. It is heavy. Looking forward to make it run properly by adjusting the wheel distance.

Regards,
Benny - Outsider and MFDWPL
UserPostedImage
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Offline Goofy  
#6 Posted : 24 July 2008 11:22:38(UTC)
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Goofy


Joined: 12/08/2006(UTC)
Posts: 9,030
Look at the wheelsflange...! [xx(]

It´s awful... [xx(]

Very extrem high... [xx(]

Goofy
H0
DCC = Digital Command Control
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Offline john black  
#7 Posted : 24 July 2008 18:07:34(UTC)
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john black

United States   
Joined: 22/04/2004(UTC)
Posts: 12,139
Location: New York, NY
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by Goofy
<br />Look at the wheelsflange...! [xx(]

It´s awful... [xx(]

Very extrem high... [xx(]

Since not RP25 such is perfectly OK, Goofy Smile - keeps the train on track Smile[^]
I'd rather bother with that rotten wheel #4 ... biggrin
I hope no one visits a poor Southener's layout in Brooklyn. Intruders beware of Gators.
AT&SF, D&RGW, T&P, SP, WP, UP, BN, NYC, ARR, epI-III - analog & digital Marklin Classics only.
CU#6021 FX-MOTOROLA DIGITAL SYSTEM. Fast as lightning and no trouble. What else ...
Outlaw Member of BIG JUHAN's OUTSIDER CLUB. With the most members, worldwide
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Offline Caplin  
#8 Posted : 17 August 2008 00:41:20(UTC)
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Caplin


Joined: 23/03/2005(UTC)
Posts: 2,497
Location: Denmark
Oops - forgot to follow up. When the wheel distance was corrected the sparking was gone.
Regards,
Benny - Outsider and MFDWPL
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