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John Shepherd	04/06/2010 21:47:31
222 forum posts 7 photos	I am in the process of building a 1" scale Minnie and have just machined the parts for the crankshaft and first shaft gears. The original article says to silver solder the gears and the fabricated keyways but I was wondering if Loctite 628 or similar would do the job? I have nothing against silver soldering but for this job I thought that perhaps Loctite would overcome the problems of cleaning up and there would be no trace of solder to be seen. As I have no previous experience of using Loctite other than the thread lock types, any advice or comments would be welcome. Regards John
JasonB	05/06/2010 07:43:03
25215 forum posts 3105 photos 1 articles	My only reservation would be that there is no keyway cut into the actual gearwheel so all the load will be applied through the joint which may be asking a bit much of the loctite. If you are just going to run on air then its unlikely to be an issue but if you are steaming under load? A soft pencil (2b or similar) will leave a line that the solder should not flow over and you can always mount the soldered assembly onto a mandrel and take a light skim off to true things up and remove any excess solder. I solderd my minnie and by the looks of things took a skim off but that was a while ago when my soldering was not as neat as it is now. Jason
John Shepherd	06/06/2010 09:57:56
222 forum posts 7 photos	Jason Thanks for you reply - looks like silver soldering it is. I have no aversion to soldering but I was just exploring new methods of doing things and what you say makes sense. Thanks also for including the photograph lnk , it is helpful to show how mine should (hopefully) look . regards
JasonB	06/06/2010 10:11:45
25215 forum posts 3105 photos 1 articles	John If they are of use there are a few more pics of my engine towards the end of this album, also some close ups of the damper hinge I took for someone last week. J

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