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| Jan Ridders' Simple LTD Stirling Engine - craynerd build log |
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| raynerd:
Can anyone recommend a super glue that may be suitable for holding the rest of the crank assembly? - steel in brass. Chris |
| Rob.Wilson:
Very nice Chris :clap: :clap: :clap: :bow: :bow: :bow: Rob :thumbup: |
| mklotz:
--- Quote from: craynerd on August 04, 2010, 04:43:12 PM ---Can anyone recommend a super glue that may be suitable for holding the rest of the crank assembly? - steel in brass. --- End quote --- A very handy weapon in the model engineering arsenal is Loctite 420 - a wicking superglue. Over on HMEM I posted about a test I did on this stuff... http://www.homemodelenginemachinist.com/index.php?topic=9099.msg98378#msg98378 Caveat: I've never tried it on graphite. |
| NickG:
Nearly missed this Chris, excellent work! :bow: Nick |
| raynerd:
First of all, thanks for the replies! Kvom - interesting stuff regarding the loctite. A quick google didn`t bring up any obvious suppliers of loctite 420. I have heard that 601 is a good one and 603. It is certainly something I will be ordering soon. An update --- I`m off work for 6 weeks at present and so I`m getting more done than I ever have! - I`m having a great time between the workshop and looking after my little one. I was lying in bed last night thinking about gluing the rest of the crank shaft and then I thought again, should I really not be following the plans! I`d also ignorantly cut the crank shaft into all the right sized little bits to soft solder into position. It was only when I chose to read the text that comes with the plans does it explain to insert that as one long piece, soft solder and cut the small sections out. Of course, despite having to remake the crank axis, this method allows perfect alignment and the only thing I had to do was set the cranks 90deg apart. I thought about a fancy jig and then decided that I could do this using a couple of pin vices. My soft soldering leaves a lot to be desired. My flame seems too fierce and I end up with a huge blob of solder around the part. However, some time, effort and a lot of sanding got rid of the most of it. Here is everything assembled so far. Perhaps I`ll have some time for the displacer tonight! After going on about the displacer and how pleased I was with the graphite, I`m now not sure! It seems to move freely and when I blow it, the pressure builds up and the piston shoots out. However, the fall through test doesn`t work very well, it still falls through with a finger sealing the top... humm would you go with this piston or try and change it? The piston will be something that could be changed once all is assembled. I`m tempted to run with it.... |
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