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external frame rod drive diesel
attaching counterweights
| Perko7 | 21/06/2015 13:22:48 |
| 452 forum posts 35 photos | Newbie to both this hobby and this forum. Needing advice on preferred way of attaching counterweights to axles on a 5inch gauge rod-drive diesel with external frame. Thinking of press fit with keyway, but other options would be considered. |
| Bazyle | 21/06/2015 22:26:27 |
 6956 forum posts 229 photos | Press fit might be a bit tricky for a beginner to get firm. Keyways too are tricky. Consider Loctite with a pin for peace of mind. Loctite can be used with as good a fit as you can manage easily (for alignment) but does not need to be so precise as a press fit, and does not actually need a gap (and hence slop) as mentioned in some of the older instructions. You can put in a tiny anular groove a thou or so deep if it helps to have a sort of reservoir for the loctite so you feel there is some there. If you screw up the quartering it can be got apart with heat. |
| Steve Addy | 24/02/2016 16:51:43 |
 158 forum posts 107 photos 1 articles | I did Loctite and keyways on my loco. That was to get the quartering engineered into the axles and cranks.
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