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Member postings for Andy Holdaway

Here is a list of all the postings Andy Holdaway has made in our forums. Click on a thread name to jump to the thread.

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Thread: Stirling Engine : Laura
20/12/2015 09:49:19

Brian, you should have more than twice the amount of 6mm square that you need in the kit. It's only used for parts 12 (12mm long) and 18 (6mm long) and my kit came with a piece about 60mm long.

I've been following this thread with interest as I am also in the middle of building one of these - my first attempt at any form of model engineering in about 40 years. I was also confused by the boring bar tip angle, but I have a friend who is a 'proper' engineer who put me right.

You may have to have a think about the recess that you've made 17mm instead of 16mm - it retains the O-ring that forms the seal for the glass cylinder. Even at 16mm it's not a tight fit!

Edited By Andrew Holdaway on 20/12/2015 09:50:11

24/11/2015 10:05:31

As far as I can tell, the larger cylinder that holds the glass test tube should be a fairly loose fit, as it relies on this to transfer the hot air to the 'working' cylinder. Therefore no reamer required.

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