Hello all,
it's been a while since I did an update on this build, the first two of ten bogies taking shape (I ended up getting four B. G. kits). It looks like my plan to build the bogies in chunks is working at the moment. The horn guides have been fixed in place using super glue.
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Both of the bogies from underneath, the one on the left is showing the slot in the end cross member for the dynamo belt. You can also see the dressmakers pins that I'm using for the brake hanger pivots.
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Axle boxes in place just to see that they would move up and down freely, this they did after I removed any excess super glue.
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This was when I hit a problem! The axle boxes with the bearings and wheels in place won't fit into the frames.
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After doing some measurements these are the figures I got.
54.6 over axle boxes with wheels etc. in place.
52.8 over axle boxes in frames no wheels etc. in place.
1.8 difference
So do I just take off .9mm from the back of the axle boxes? This would make the inside guide face of the axle box very thin.
Mill the back face down to the slot and fix some thin brass to the back? A lot of work when I have got 80 axel boxes to do..
Counter bore the bearing hole? Then the problem that the wheel boss could rub on the inside face of the axle box.
Remove some metal off the inside face of the axle boxes and some of the ends of the axles? This is a lot of work but it could be the best bet.
The reason that I don't want the wheel bosses to touch the axle boxes is that I'm using the new Slater's all steel wheels that have the proper profile on both sides and are axle isolated.
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Keep safe
OzzyO.