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Type: Posts; User: aubrey

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  1. Replies
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    Thanks

    Thanks James
    See you also have the gadget that goes between them and the pc.:cool::
    I just had a quick look but will check out the whole site over the weekend.:idea:
    All the best
    Aubrey
  2. Replies
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    Hi All Has anyone thought of making up some of...

    Hi All
    Has anyone thought of making up some of these (hex code debugged) for sale?
    What will 3 cost?
    Full step will give me a resolution of 0.01mm which for my needs is sufficient.
    (its a hobby...
  3. Replies
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    Thanks for that. Makes good sense for the home...

    Thanks for that. Makes good sense for the home hobby mill seeing as they are not pushed as hard as the commercial ones.
    May be an alternative if you are for ever having to adjust for excessive...
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    Hi all Why are "ball" bearings used in...

    Hi all
    Why are "ball" bearings used in situations where the bearing has to take a not inconsiderable loading sideways?
    Surely taper roller bearings are far more suited to the job.
    OK, the design...
  5. Replies
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    Very down but maybe not quite out

    Hey Ian
    This has been a rather serious blow.
    One Mike has recovered, he will be coming back to SA and we will look at taking this project on again.
    At the moment, I am financially screwed (again)....
  6. Replies
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    Final Entry

    Hi all
    Thanks for the comments and suggestions.
    Unfortunately I have to report that the project has been shelved.
    The guy I was doing it for was Mike, my partner in a small (one vehicle) transport...
  7. Thread: Just Curious

    by aubrey
    Replies
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    5,555

    Poll: Been trying to get Linux working properly since...

    Been trying to get Linux working properly since early ninetys - Some install - Some dont - NONE manage to get the network card working!!!
    Must have burned over 50 installation disks.
    Tried "Feisty...
  8. Replies
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    Ken - you are a star:cool: :cool: OK - seems...

    Ken - you are a star:cool: :cool:
    OK - seems like the concept will work
  9. Replies
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    Hi Ian Valid point. However, the unit only...

    Hi Ian


    Valid point. However, the unit only needs to pump about 2 to 3 gallons a minute to a head of maybe 10 to 13 feet to make it successfull.


    Nice point: mount it on its own trailer which...
  10. Replies
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    Hi and Thanks. The drawing is not to scale (done...

    Hi and Thanks.
    The drawing is not to scale (done with MSPaint - still need to get my head around 3dmax)
    As to the sizes etc - all it must do is irrigate the same area (about 1/4 hectare or 50 x 50...
  11. Replies
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    Hi Russel. There is wind - every other month -...

    Hi Russel.
    There is wind - every other month - just enough to make you think that "cool" may exist.
    Seriously, the normal farm windmill borehole pump only manages a couple of liters and then the...
  12. Replies
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    Hi Ian, Sorry about the "soap box" trip -...

    Hi Ian,
    Sorry about the "soap box" trip - Definitely an over-reaction on my part - appologies!!!
    Back to business.
    I'm not too knowledgable about the various technical designs of the steam engine...
  13. Replies
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    Hi Ian They are going to have to do it...

    Hi Ian
    They are going to have to do it themselves after a little bit of training.
    These people are definitely not "ignorant". They survive in an environment that would kill most of us in a matter...
  14. Replies
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    Proof Of Concept - Step 1

    Before going any further, I need a proof of concept.
    Went into the local lawnmower repair shop and got an old 4 stroke Briggs & Stratton lawnmower motor (donated).
    Now all I need is a piece of 2 to...
  15. Replies
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    Request For Comment

    Hi Everyone
    Problem: Need mechanical energy source in Malawi but petrol/diesel VERY expensive and electricity not available.
    Looked at steam - Too Dangerous for the local level of expertise....
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    Hi Terry, I've heard a lot of good things about...

    Hi Terry,
    I've heard a lot of good things about Mach3 as well.
    To start with, you need some sort of power driver circuitry between you serial port and the motors.
    Next, as Mach3 itself sends the...
  17. Replies
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    Don't worry, no offence taken! I use windows...

    Don't worry, no offence taken!
    I use windows all day every day and roundly curse it (flame2) at least every hour.
    Funny thing about democracy... Its the only "system" that by definition, allows...
  18. Replies
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    Sorry

    Thanks,
    Oops - Fixed (but I am sure you know what I was trying to say)
    Best
    Aubrey
  19. Replies
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    Project Initiated!

    Hi Everyone,
    Big thanks to Paul for opening a "Group Projects" sub-forum for me.

    I have initiated 3 threads:
    "CNCZone Driver Group Project" outlines the basic concept and participants (group) ...
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    Request For Comment

    Hi
    If you have any "Wish Lists" that you would like to have incoroprated into the project, please submit them here for consideration.

    Where this is going to end is anyones guess!!! :argue: ...
  21. Replies
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    Project Comments

    Hi Guys - Welcome
    This is the general comment thread for the CNCZone Driver Group Project.
    General discussions and thoughs VERY WELCOME! :)
    Best
    Aubrey
  22. Replies
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    CNCZone Driver Group Project

    Hi Everyone,
    Welcome to the CNCZone Driver Group Project.
    My name is Aubrey O'Callaghan and with YOUR permission I am going to Project Manage this project.

    What is this project all about?

    A...
  23. Replies
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    Confused

    Sorry Guys - Now I am getting confused!
    Is there anyone who can give us a run-down from PC OS/CAD Package to mill axis motors and the results/problems that they are getting?
    Best
    Aubrey
  24. Replies
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    This would really be a problem when making a 3...

    This would really be a problem when making a 3 dimentional cut! :nono:
    Best
    Aubrey
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    So if my understanding is correct, the...

    So if my understanding is correct, the "pre-compiler" will have to work out what the pause between each step is to be to get the motor from rest to the cutting feed rate required and then back to...
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    NICE! We will definitely refer back to this...

    NICE!
    We will definitely refer back to this later in the project.
    Aubrey
  27. Replies
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    I was waiting for this ! !

    Hi Einar,
    I was waiting for one of the Linux converts to pick up on this discussion!

    Don't get me wrong, what you are saying is true IF you are comfortable with the Linux platform.
    Personally,...
  28. Replies
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    Hi Evodyne, As far as I know, the Parallax...

    Hi Evodyne,
    As far as I know, the Parallax product (Basic Stamp) operates under "Interpreter" mode which already slows it down.
    Maybe I am wrong - does anyone know for sure?
    This is NOT to say...
  29. Replies
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    Point taken - how are they handled currently? I...

    Point taken - how are they handled currently?
    I assume that they are handled within a specific GCode Command.
    Also, does the Accelleration/Deceleration apply to ALL GCodes or only to the rapid...
  30. Replies
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    Lets try the attachment again - Sorry ;>{

    Lets try the attachment again - Sorry ;>{
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