Beautiful Restored BR89 Slowing on Corners

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Beautiful Restored BR89 Slowing on Corners

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johnhendry		#1 Posted : 26 August 2025 16:34:56(UTC) Retweet
Joined: 06/11/2024(UTC) Posts: 56 Location: Georgia, Atlanta		We have recently restored a beautiful little BR89 that we think is around 70 years old. It's running perfectly except slows down and sounds like the motor is working harder around right-hand corners. We have completely dismantled and cleaned everything, quartering is good, rods seem fine. Any ideas what it might be?


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RudiC		#2 Posted : 26 August 2025 23:18:21(UTC) Retweet
Joined: 28/01/2024(UTC) Posts: 63 Location: Nordrhein-Westfalen, Aachen		Do all three axles have enough axial play so they can leave the straight line and follow the curvature?
		Regards, Rüdiger (Rudi)

3 users liked this useful post by RudiC		dickinsonj, marklinist5999, Copenhagen
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Copenhagen		#3 Posted : 27 August 2025 14:39:22(UTC) Retweet
Joined: 23/04/2019(UTC) Posts: 505 Location: Copenhagen, Denmark		Also: what about the traction tyres? Are they in good shape? And what happens when you go backwards through the curve (try all the different combinations).

1 user liked this useful post by Copenhagen		marklinist5999
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rhfil		#4 Posted : 28 August 2025 16:59:30(UTC) Retweet
Joined: 05/09/2014(UTC) Posts: 715 Location: NEW HAMPSHIRE, Somersworth		You need to lower yourself so that you can observe exactly what happens on the curve. Do the drive wheels come off? Do they slip? I have had both issues with locos on curves. Lubricating the drive wheels or softening the traction tires solved the issues.

2 users liked this useful post by rhfil		marklinist5999, Copenhagen
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ocram63_uk		#5 Posted : 28 August 2025 20:27:56(UTC) Retweet
Joined: 07/01/2015(UTC) Posts: 735 Location: England, Suffolk		have you got similar radius left curves? If not then that may be the problem, the right ones are too tight. Something like this could be more prone on switches than plain curves, IMO


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