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  1. Thread: Bandsaw tension

    by BaronJ
    Replies
    8
    Views
    245

    Hi Guys, I tension my bandsaw blade in very...

    Hi Guys,

    I tension my bandsaw blade in very much the same way ! Just a slight twist and listen to the ping.
  2. Thread: battery charger

    by BaronJ
    Replies
    27
    Views
    509

    Hi John, Guys, 700 volts ! Ouch. Normally...

    Hi John, Guys,

    700 volts ! Ouch.

    Normally only five or six panels are in a string putting 280 to 350 volts into the grid tie inverter with two or three strings. 700 V, that effectively means...
  3. Thread: battery charger

    by BaronJ
    Replies
    27
    Views
    509

    Hi John, Looking at your picture I count seven...

    Hi John,

    Looking at your picture I count seven diodes ! There could be ones that I can't see. Its possible that the regulator gets its reference input from an auxiliary winding by rectifying the...
  4. Thread: battery charger

    by BaronJ
    Replies
    27
    Views
    509

    Hi Chris, Guys, You need a transfer switch to...

    Hi Chris, Guys,

    You need a transfer switch to disconnect the panels from the grid tie inverter and switch them to a charge controller to feed lead acid batteries. I know that John has gone for a...
  5. Thread: battery charger

    by BaronJ
    Replies
    27
    Views
    509

    Hi John, For some reason the forum won't let...

    Hi John,

    For some reason the forum won't let me respond to your later post !

    The coil in this picture is the exciter coil. The remnant magnetism causes a voltage in that coil that creates a...
  6. Thread: battery charger

    by BaronJ
    Replies
    27
    Views
    509

    Hi John, The 24 volt regulator is potted and a...

    Hi John,

    The 24 volt regulator is potted and a fixed voltage and I doubt that you could modify it to output a higher voltage since it uses an internal reference !

    However the input voltage to...
  7. Replies
    9
    Views
    381

    There is a lot more to it than just three groups...

    There is a lot more to it than just three groups of components !

    Yes there are diodes and capacitors, there is also AC to DC to AC conversions along with frequency control. Think about how you...
  8. Replies
    9
    Views
    381

    Not a particularly good explanation ! To wordy...

    Not a particularly good explanation ! To wordy and over done.
  9. Replies
    11
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    452

    Hi Steve, Yes note that mine are very short...

    Hi Steve,

    Yes note that mine are very short pieces of tube laid flat, so the bolt goes through the tube lengthwise ! That 5° degrees is a nuisance. If you do decide to use a tube pillar a cap...
  10. Replies
    11
    Views
    373

    Hi Nigel, Guys, I don't think that the ringing...

    Hi Nigel, Guys,

    I don't think that the ringing phenomena is worth worrying about for what you are doing !
    Now in a boring bar that would be quite a different issue.
  11. Replies
    17
    Views
    858

    Hi Guys, These links will help ! ...

    Hi Guys,

    These links will help !

    https://www.journeymans-workshop.uk/flipupth.php

    https://www.model-engineer.co.uk/forums/postings.asp?th=52176&p=1

    And the plans PDF to go with it !
  12. Replies
    11
    Views
    452

    Hi Steve, Guys, Looks like a nice stand, well...

    Hi Steve, Guys,

    Looks like a nice stand, well worth of putting some castors on !

    When I made my stand I used short stubs of square tube welded to the frame !

    I would suggest that you remove...
  13. Replies
    17
    Views
    858

    Hi Guys, It reminds me of Professor Chadwick’s...

    Hi Guys,

    It reminds me of Professor Chadwick’s flip up tool holder !

    Its been published in several books and magazines several times. If I can lay my hands on the pdf of the article, and...
  14. Replies
    13
    Views
    548

    Hi Nigel my bad, I didn't realise that your...

    Hi Nigel my bad, I didn't realise that your machine had a column, however the same applies.
    I had all sorts of problems with badly a fitted gib on my mill. Once fitted properly most of the tram...
  15. Replies
    13
    Views
    548

    Hi Nigel, Guys, Ignoring wear on the knee, are...

    Hi Nigel, Guys,

    Ignoring wear on the knee, are the knee gibs adjusted properly ?
  16. Thread: Ladder Brackets

    by BaronJ
    Replies
    37
    Views
    1,199

    Hi Nev, Guys, Yes the machine made aluminium...

    Hi Nev, Guys,

    Yes the machine made aluminium guttering was a flat bottom with flat sloping sides and a curved rim, maybe 3/4" inch half round. I've also seen the extrusion presses making...
  17. Replies
    11
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    497

    Hi Chris, That was one of the first things...

    Hi Chris,

    That was one of the first things that I made after discovering that I couldn't turn the normal key at the rear because it fouled the headstock.
  18. Thread: Ladder Brackets

    by BaronJ
    Replies
    37
    Views
    1,199

    Hi Guys, Most guttering, at least for the past...

    Hi Guys,

    Most guttering, at least for the past 65-70 years is plastic ! A lot of the post WW1 guttering was made of wood !
    Prior to that it would have been made of the new fangled cast iron. ...
  19. Replies
    11
    Views
    497

    Hi Chris, Yes you are ! When first setting up...

    Hi Chris,

    Yes you are ! When first setting up its useful knowing how far to move and in what direction is made easier when you have a scale to refer to. The actual value of the scale doesn't...
  20. Replies
    6
    Views
    378

    Hi Riverbuilder, Guys, Depending upon what you...

    Hi Riverbuilder, Guys,

    Depending upon what you are wanting to do a Dovetail cutter or two and "T" slot cutters, both relatively specialised toolbits, but invaluable if you need one !

    I tend to...
  21. Replies
    11
    Views
    497

    Hi Guys, Thankyou for your comments, I...

    Hi Guys,

    Thankyou for your comments, I appreciate them ! I'll try to answer your questions.

    I did a comparison between using the wobble method shown by "FamilyGuy" and one shown by "Shed" some...
  22. Replies
    11
    Views
    497

    Centre Finder Gauge !

    Hi Guys,

    Based on some very helpful advice and comments I have decided to design and make a Centre Finder Gauge based on the wobbler design which works surprisingly well considering that it does...
  23. Replies
    51
    Views
    1,574

    Hi Nev, Guys, Yes those are nice in plastics,...

    Hi Nev, Guys,

    Yes those are nice in plastics, and would probably work in hardwood’s. The others are similar but are intended to put a thread into relatively thin and soft materials, like alloy and...
  24. Replies
    51
    Views
    1,574

    Hi Guys, Wouldn't it be better to turn up some...

    Hi Guys,

    Wouldn't it be better to turn up some mandrels to fit into a pop rivet tool, threaded to suit what ever nutsets/rivnuts used.

    I made several mandrels to suit 2, 4, & 6Ba and 3, 4, 5mm...
  25. Replies
    3
    Views
    258

    Hi Guys, Cromwell here in the UK do various...

    Hi Guys,

    Cromwell here in the UK do various sizes of chuck jaws ! Not cheap but very good quality. I got a set of 100 mm PB ones a while ago.
    ...
  26. Replies
    27
    Views
    870

    Finger Plate !

    Hi Chris, Guys,

    A few pictures of mine in use !

    395018

    This first picture is using a pointed rod in the drill chuck to set the finger plate up ready for use.

    395017 395016
  27. Replies
    27
    Views
    870

    Hi Chris, Originally the the finger plate was...

    Hi Chris,

    Originally the the finger plate was intended for a specific production job so the drill guide hole was to ensure accuracy. So yes, but its not a limiting feature.

    In use to ensure...
  28. Replies
    27
    Views
    870

    Small Drill sharpening jig !

    Hi Guys,

    I promised that I would take some pictures of my "Small Drill Sharpening jig" ! There are twelve pictures of the parts and assembly of this device. The original took a couple of hours...
  29. Replies
    17
    Views
    375

    Hi Mushroombrew, Guys, Small ball races are...

    Hi Mushroombrew, Guys,

    Small ball races are usually ground so that the inner and outer races are the same thickness, so you will need a shim of a few thou between the inners so that the outers...
  30. Replies
    27
    Views
    870

    Hi Guys, A finger plate makes drilling round...

    Hi Guys,

    A finger plate makes drilling round material a lot easier ! Once clamped in position drilling in the dead centre every time.

    394990 394991
    This is a finger plate that I made some...
  31. Replies
    27
    Views
    870

    Hi Guys, For what its worth, I’ve found that...

    Hi Guys,

    For what its worth, I’ve found that many small drills, often from good manufacturers, are not properly sharpened and exhibit faults like, facets at the wrong angle, facets of different...
  32. Replies
    27
    Views
    870

    Hi Guys, Small drills are notoriously...

    Hi Guys,

    Small drills are notoriously difficult to sharpen properly ! I tend to use carbide PCB drills for holes less than 3 mm in diameter, but they do need a very high rotational speed compared...
  33. Thread: Generator AVR

    by BaronJ
    Replies
    23
    Views
    1,061

    Hi Stuart, Guys, That looks like a...

    Hi Stuart, Guys,

    That looks like a semiconductor under that bit of metal, probably a thyristor or power transistor !
  34. Thread: Generator AVR

    by BaronJ
    Replies
    23
    Views
    1,061

    Hi Stuart, Guys, The cap value will make very...

    Hi Stuart, Guys,

    The cap value will make very little difference to the voltage ! Its mainly a time constant thing. Plus if you consider that the tolerance on capacitance is usually -20% to +50%...
  35. Replies
    15
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    417

    Hi Steve, Guys, An "O" ring might not work but...

    Hi Steve, Guys,

    An "O" ring might not work but a copper compression one would !
  36. Replies
    15
    Views
    417

    Hi Steve, Will the difference in expansion...

    Hi Steve,

    Will the difference in expansion between the two different metals have any effect ?
  37. Replies
    10
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    677

    Hi Guys, From the pictures it looks to be full...

    Hi Guys,

    From the pictures it looks to be full of crud ! Something could have got forced between the worm and support housing.

    A piece of bent rod might get into the pin hole to enable it to...
  38. Replies
    12
    Views
    432

    That saw is essentially the same as mine, except...

    That saw is essentially the same as mine, except that I don't have a swivel jaw vise ! You will need to spend some time setting it up properly but its well worth it. I get dead vertical cuts as...
  39. Replies
    12
    Views
    375

    Hi Guys, The Swamp cooler fan motor that I...

    Hi Guys,

    The Swamp cooler fan motor that I have gets its speed control from taps on the motor winding ! The control switch has "Off, 1, 2, 3", three being the highest speed.
  40. Replies
    12
    Views
    375

    Hello Jatt, I have a very similar motor from a...

    Hello Jatt,

    I have a very similar motor from a swamp cooler ! You’re lucky that you have a circuit diagram on the body of your motor. The picture you posted looks to be correct. So wiring it...
  41. Replies
    2,675
    Views
    807,816

    Sticky: Hi Nigel, Guys, This is where I would have...

    Hi Nigel, Guys,

    This is where I would have used a carbide wood work router bit !

    394713
    This picture is from when I made my Norman tool post.

    The cutter is held in a piece of square bar...
  42. Replies
    25
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    1,125

    Hi Eric, I would send him a picture of your...

    Hi Eric,

    I would send him a picture of your existing gears !

    Point out that these are the quality you expect, particularly for the price paid !
  43. Hi Guys, Whilst I try to stay out of political...

    Hi Guys,

    Whilst I try to stay out of political arguments, the traits mentioned are common on the American forums !
    The attitude also seems to be "I make money out of this and you can't" and then...
  44. Replies
    17
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    983

    Hi Guys, Metric coarse 1.5 X 0.3 mm and metric...

    Hi Guys,

    Metric coarse 1.5 X 0.3 mm and metric fine 1.5 X 0.2 mm are common in HDD assemblies. I've also seen much finer screws used as well, probably around 0.5 mm. All in aluminium components....
  45. Replies
    17
    Views
    983

    Hi Guys, You could machine a hole in your...

    Hi Guys,

    You could machine a hole in your steel and then use a softer threaded insert ! I've seen Japanese stuff done that way. I agree with the others, there is no way you could thread a hole...
  46. Replies
    231
    Views
    55,143

    Hello Mark, This link might interest you ! ...

    Hello Mark,
    This link might interest you !

    https://www.gracesguide.co.uk/Swift-Summerskill
  47. Thread: Churchill.

    by BaronJ
    Replies
    9
    Views
    598

    Hi Guys, As promised the picture of Eden Camp...

    Hi Guys,

    As promised the picture of Eden Camp layout !

    394640

    Hi Guys, I've apparently posted this picture twice !
    Sorry !
  48. Thread: Lathe alignment

    by BaronJ
    Replies
    23
    Views
    1,023

    Hi Steve, Guys, Won't wear or slop on the saddle...

    Hi Steve, Guys, Won't wear or slop on the saddle cause that problem ? Getting bigger at the chuck end is what I would expect under those conditions. Does the figures change if you tighten the gibs...
  49. Replies
    28
    Views
    998

    Hi Jim, Thanks for your post. Glad that you...

    Hi Jim,

    Thanks for your post. Glad that you liked my pictures !
    Visiting local museums, 100 mile radius, particularly Engineering ones is something that I enjoy.

    Regarding the "Robson" No...
  50. Replies
    24
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    1,186

    Hi Jordan, You should put this in "Tips &...

    Hi Jordan,

    You should put this in "Tips & Tricks" !
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