Search:

Type: Posts; User: BobL

Page 1 of 100 1 2 3 4

Search: Search took 1.05 seconds.

  1. Replies
    49
    Views
    3,178

    I like that.

    I like that.
  2. Replies
    49
    Views
    3,178

    It looks like the lower part of the TS cabinet is...

    It looks like the lower part of the TS cabinet is pretty well sealed up? Remember air needs to be able to get in so that fine dust can get out and relying on it all coming through small gaps won't...
  3. Replies
    5
    Views
    65

    Don't remember that, in fact i think it was the...

    Don't remember that, in fact i think it was the opposite.
    BUT
    if you use PVC couplers to join duct to flex then the PVC couplers have an ID then same as ducting OD so then the 150 mm flex will fit...
  4. Replies
    2
    Views
    120

    Our shed is using zoom but it gets pretty chaotic...

    Our shed is using zoom but it gets pretty chaotic once there are more than about 6 people using it at the same time. In one session we had 12 present and I think it was too much. Zoom is more...
  5. Replies
    1,361
    Views
    27,719

    I agree about glycerine reducing alcohol...

    I agree about glycerine reducing alcohol evaporation during application but I doubt its doing much dilution since the amount in the WHO recipe is only added at 14g/L. My understanding is that rather...
  6. Replies
    1,361
    Views
    27,719

    From what I seen/experienced not all hand gels...

    From what I seen/experienced not all hand gels are the same. Some are thin/runny that evaporates quickly while others do leave a slightly sticky residue that hangs around for many minutes even hours...
  7. Replies
    10
    Views
    216

    Most of my stuff is

    Most of my stuff is <20 years old sp I don't worry too much about aesthetics. Number one for me is usually safety (so I usually prefer plastic boxes for switch gear), then functionality/ease of use,...
  8. Replies
    10
    Views
    216

    That switch you show is a 3P switch and not...

    That switch you show is a 3P switch and not suitable for connecting an earth. The earth wire should never be switched but hard wired to the machine and be able to make direct physical contact with...
  9. Replies
    10
    Views
    216

    We did a risk analysis of using a pedal on a BS...

    We did a risk analysis of using a pedal on a BS at work and we ended up deciding against it.
    The rationale was something like, unlike a pedal on a drill press where the work is usually clamped down...
  10. Thread: Blast gate plans

    by BobL
    Replies
    3
    Views
    151

    They're just a standard rocker type gate ,...

    They're just a standard rocker type gate , nothing special about them.
  11. Thread: 150mm to 100mm

    by BobL
    Replies
    5
    Views
    189

    You can but it won't work as well as a single 150...

    You can but it won't work as well as a single 150 mm. It takes 3 x 100 mm ports to equal the flow of a 150mm duct AND two ports may fight each other for some of the same air/dust and contribute to...
  12. Replies
    1,361
    Views
    27,719

    The pharma grade glycerol finally came today and...

    The pharma grade glycerol finally came today and I mixed up some IPA based hand sanitzer using the WHO IPA recipe. Hand feel seems good although it's quite a bit thinner than the usual hand gel stuff...
  13. Replies
    1,361
    Views
    27,719

    Doubt it. They though it came through the air...

    Doubt it. They though it came through the air hence the masks. And the plethora of pefumieres.

    Hey interesting graph here for COVID19 deaths.
    471117

    Small numbers, and although more men are...
  14. Thread: VFDs for Newbies

    by BobL
    Replies
    8
    Views
    657

    Sticky: Good eyes chas :2tsup:

    Good eyes chas :2tsup:
  15. Replies
    1,361
    Views
    27,719

    It might need more than a satchel of FHS in those.

    It might need more than a satchel of FHS in those.
  16. Thread: VFDs for Newbies

    by BobL
    Replies
    8
    Views
    657

    Sticky: The grey Crompton motor says it is 3Phase...

    The grey Crompton motor says it is 3Phase 400/440 ∆ so it simple cannot run at full power on 240V 3P and neither will conversion. If it is converted to Y it will need 690V to run at full power
    The...
  17. Thread: VFDs for Newbies

    by BobL
    Replies
    8
    Views
    657

    Sticky: YeP I agree, even if I had 3Phase Power in my...

    YeP I agree, even if I had 3Phase Power in my shed I would still install VFDs on most of my machines.

    I have a cousin in Italy who manufactures small electric motors. Many of his motors are 3P...
  18. Replies
    10
    Views
    1,331

    Well it does not surprise me it let out smoke...

    Well it does not surprise me it let out smoke unless it utilises a breaking resistor as shown below (rectangular silver thing under the VFD)
    This is for a radial arm saw and stops the saw in 2...
  19. Replies
    1
    Views
    96

    Go to the Electronics forum and read the VFD for...

    Go to the Electronics forum and read the VFD for newbies sticky and then ask questions from inside that forum,

    VFDs for Newbies
  20. Replies
    1,361
    Views
    27,719

    Yeah - maybe - but I kinda think they might be...

    Yeah - maybe - but I kinda think they might be balanced out by the excess of hypochondriacs that often participate in these self selective surveys :oo:.

    SWMBO is on her next model of face mask...
  21. Replies
    10
    Views
    1,331

    The screeching is the belts slipping. Make sure...

    The screeching is the belts slipping. Make sure the belts are correctly tightened and get some "belt grip"
    eg CRC Belt Grip - 400g | Supercheap Auto

    If you don't fix this in the long run the...
  22. Replies
    10
    Views
    1,331

    IMHO 60s is still on the unsafe side even for a...

    IMHO 60s is still on the unsafe side even for a big BS. Have you tried making it shorter. Doe the VFD use a proper braking resistor? A VFD with a braking resistor should be able to do it much...
  23. Replies
    1,361
    Views
    27,719

    If all one did after a few too many drinks was...

    If all one did after a few too many drinks was wear undies on head and sing that wouldn't be so bad, well better than driving and beating someone up anyway.
  24. Replies
    1,361
    Views
    27,719

    Well sign up then and forward it around to...

    Well sign up then and forward it around to others. Its fully sanctioned by NSW Health.
    They currently only have about 40k regular participants but unlike single COVID19 tests, participants report...
  25. Replies
    1,361
    Views
    27,719

    I've been a participant in the annual national...

    I've been a participant in the annual national (regular/seasonal) flu tracker program for a few years.

    Flutracking.net | Tracking Influenza Across Australia and New Zealand

    If you join you get...
  26. Replies
    1,361
    Views
    27,719

    My sister said it could be genetic and reminded...

    My sister said it could be genetic and reminded me that in his 60s dad would wear a pair of undies on his head and sing when he drank too much grappa. I don't drink (much) but recently took up having...
  27. Replies
    2
    Views
    139

    I've used pieces of 1mm and 3mm diameter SS TIG...

    I've used pieces of 1mm and 3mm diameter SS TIG rods as pins and attached ring crimp connectors . Then drill slightly undersize holes in the timber and tap these into place. On the ends of the copper...
  28. Replies
    4
    Views
    160

    Great, now add a crank handle like the have on...

    Great, now add a crank handle like the have on forklifts!
  29. Replies
    10
    Views
    236

    It's quite easy to turn a very fine taper on the...

    It's quite easy to turn a very fine taper on the inside of a tube with a boring bar.
  30. Replies
    1,361
    Views
    27,719

    Agree - I was specifically referring to the...

    Agree - I was specifically referring to the average non-medical user not needing the same standard of protection of a medical professional.
  31. Replies
    1,361
    Views
    27,719

    MC bro has come up with a few masks designs of...

    MC bro has come up with a few masks designs of his own.

    Sport model
    470967

    Race model - with built in BMH - only suitable for keeping out large bits like rock, nuts and washers.
    470968 470969
  32. Replies
    1,361
    Views
    27,719

    I agree. If anyone can't get their grocery...

    I agree.


    If anyone can't get their grocery shopping done in under that time then they're either seriously dawdling in the aisles or going to the wrong supermarket.

    The protocol my son and...
  33. Replies
    1,361
    Views
    27,719

    Had a chat with my Italian cousin who owns/runs a...

    Had a chat with my Italian cousin who owns/runs a small electric motor factory near Padua. They are all OK and because electric motor replacement is deemed essential he can still run his factory...
  34. Replies
    1,361
    Views
    27,719

    I found a pair of undies that were not too...

    I found a pair of undies that were not too stained and are suitable for a mask.
    The beard coverage is excellent.

    470929
  35. Replies
    1,361
    Views
    27,719

    Me ~33 years ago working in our second generation...

    Me ~33 years ago working in our second generation ultra clean air facility at Uni.

    The pipette contains triple distilled nitric acid along with an environmental sample being deposited and then...
  36. Replies
    1,361
    Views
    27,719

    Thing is, we are only just getting started and...

    Thing is, we are only just getting started and are likely to have to survive more than one dose, there will be other (mutated and possibly more virulent) waves.

    My BOTE suggests that about 50% of...
  37. Replies
    3
    Views
    138

    WANTED:QLD. It's very easy to make many of your own agility...

    It's very easy to make many of your own agility items using 20mm poly pipe and fittings.

    We used these to make high/low jumps, ground ladders, hoops and tunnels to jump/run through etc.

    Sorry I...
  38. Replies
    1,361
    Views
    27,719

    I also hope you are right, but the data is not...

    I also hope you are right, but the data is not looking good.

    Most people don't understand that the whole thing is on a hair line trigger and things happen too fast to try to contain things after...
  39. Replies
    1,361
    Views
    27,719

    That article has serious flaws and will do...

    That article has serious flaws and will do significant harm

    One does not need to know the infection rate to indicate significant non-normality in death rates.
    Just compare the number of deaths...
  40. Replies
    1,361
    Views
    27,719

    This might apply. 470897

    This might apply.
    470897
  41. Replies
    10
    Views
    236

    I've punched quite a few holes in cork, rubber,...

    I've punched quite a few holes in cork, rubber, plastic etc. I usuallyuse a hollow punch set I purchased form Hare and Forbes about 15 years ago and is similar to the set Ian points to. I see that...
  42. Replies
    1,361
    Views
    27,719

    Well here it is folks (note the way CDC use the...

    Well here it is folks (note the way CDC use the term cloth face covering - and not masks)
    [CDC] Recommendation Regarding the Use of Cloth Face Coverings, Especially in Areas of Significant...
  43. Replies
    1,361
    Views
    27,719

    i just wished I’d had more time to play up during...

    i just wished I’d had more time to play up during my past.
  44. Replies
    1,361
    Views
    27,719

    Too late this is already happening. The daughter...

    Too late this is already happening. The daughter of a friend of ours is on a DIY group making disposable hospital gowns working in conjunction with a hospital in Melbourne.
  45. Replies
    1,361
    Views
    27,719

    The US is desperate,even some hospitals in the US...

    The US is desperate,even some hospitals in the US are now accepting home made masks

    Childrens hospital of Philadelphia.
    Making Homemade Face Masks | Children's Hospital of Philadelphia

    CDC...
  46. Replies
    1,361
    Views
    27,719

    That's because successful research poses more...

    That's because successful research poses more questions than it answers. Put another way the more you know about something the more you realise how little you know about even that "something". My PhD...
  47. Replies
    1,361
    Views
    27,719

    I agree, keep the surgical grade PPE for the med...

    I agree, keep the surgical grade PPE for the med staff.

    However, basic washable masks - even a bandana or a pair of undies will be better than nothing, one in the wash and one on the face when you...
  48. Replies
    1,361
    Views
    27,719

    I don't think those numbers are worth much. ...

    I don't think those numbers are worth much.
    Until we know the numbers of those who have been infected without even knowing about (which currently ranges from 20 to 1000% ) via some sort of antibody...
  49. Replies
    1,361
    Views
    27,719

    This is an interesting read from the ABC. ...

    This is an interesting read from the ABC.

    Coronavirus data shows our isolation regime is a marathon, not a sprint - ABC News (Australian Broadcasting Corporation)

    In summary it suggests we'll...
  50. Replies
    1,361
    Views
    27,719

    All international organisations are cumbersome...

    All international organisations are cumbersome because there are always cultural issues, internal and external politics, language and self interest problems involved - there is absolutely no getting...
Results 1 to 50 of 5000
Page 1 of 100 1 2 3 4