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  1. aidanallen

    Does anyone have any idea where I c

    To close up this post: In the end the design changed so that a chain wheel was not nessesary. Another supplier I found was PWB Anchor here in Australia, their product is less precise than Pewags but I feel it is more 'industrial' and may be more suitable for many applications requiring a...
  2. aidanallen

    Does anyone have any idea where I c

    Much thanks, pewag.com looks particularly useful - any other chain wheels I've found were for unrated chain but the pewag stuff looks more suited for my intended application. Thanks again
  3. aidanallen

    Does anyone have any idea where I c

    Does anyone have any idea where I could get a "chain gypsy" and specs for one? I'm looking for one around 30cm pitch circle diameter. If you don't know what a chain gypsy is, its a sprocket for lifting chain (as opposed to a sprocket for a roller chain), I've also seen it referred to...
  4. aidanallen

    Down time or availability figures

    Does anyone know of a book, paper or other resource which lists typical values for availability (or downtime) for different types of mechanical equipment. Apparently one exists but know one knows what its called. So it might have a list of mechanical equipment and its typical availability, say...
  5. aidanallen

    Isolation plates and louvre dampers

    Hi I'm working on an upgrade for a plant here in Queensland (Australia) and need to write a datasheet for inclusion in a specification. The sheet relates to a damper/isolation plate combination (both are needed, one for flow control, one for positive isolation). We would like a supplier to...
  6. aidanallen

    Transformation from open pipe flow to sealed pipe flow

    Hi all, My supervisor and I have being trying to solve a little problem and I was hoping someone here might be able to help. The issue relates to trying to predict where a pipe flow will transform from supercritical open channel flow (down a steep 15+ degrees, 10 inch NB circular pipe) to...

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