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Type: Posts; User: BobL

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  1. Thread: Setting a handsaw

    by BobL
    Replies
    5
    Views
    142

    I've player around with kerf measurements but...

    I've player around with kerf measurements but mainly on band saws and chainsaws and my experience is that kerf sizes can be quite a bit wider than "blade width + 2x set"

    For example the milling...
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    61

    I went through the same decision last year (in...

    I went through the same decision last year (in the middle of COVID) and ended up with the Bosch.
    After a lot of uhmming-and-aahhing I chose the Makita (I even put in a special order for it at...
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    123

    https://youtu.be/27YCUMzKcfE

    https://youtu.be/27YCUMzKcfE
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    634

    In those vids, as far as the featherboard on the...

    In those vids, as far as the featherboard on the table itself is concerned I would normally call that position in "front" of the blade?
  5. Thread: Dust masks

    by BobL
    Replies
    14
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    798

    I wouldn't wash them as it could affect the...

    I wouldn't wash them as it could affect the filtration fibre distribution.
    You could remove and lightly tap the filters to knock off the outer dust layers.
    Don't tap them too hard as it could break...
  6. Replies
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    168

    IMHO cracks like those are just part of the...

    IMHO cracks like those are just part of the overall patina of theses sorts of tools.
    Filling them with anything can even detract from this.
  7. Thread: Lathe upgrade

    by BobL
    Replies
    6
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    263

    I would use double sided tape to hold the steel...

    I would use double sided tape to hold the steel plate in the approximate place and then drill two pilot holes through the plate into underside of the tail stock.
    Remove the plate and tape, and open...
  8. Thread: Going hand tools.

    by BobL
    Replies
    87
    Views
    2,086

    I agree our timbers do vary considerably in...

    I agree our timbers do vary considerably in hardness

    My reading suggests most Eucalypts vary by about 10% on the same tree and a further 10% between trees (especially those growing in different...
  9. One method I have heard of to even out the heat...

    One method I have heard of to even out the heat on those electrically stamps is to make up a mini oven or heat proof cover into which the stem can be inserted while it heats. This prevents convection...
  10. Thread: Going hand tools.

    by BobL
    Replies
    87
    Views
    2,086

    I'm the same. Apart from it being quite warm here...

    I'm the same. Apart from it being quite warm here in winter these last few years my dickey knee over heats my right leg so I wear shorts all year and even sleep with my right leg out from under the...
  11. Replies
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    3,827

    Sticky: Also look shere...

    Also look shere
    https://www.woodworkforums.com/f200/blast-gate-gallery-211987?highlight=blast+gate+gallery
  12. Replies
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    130

    A 610 mm improves the flow on a modified 2HP DC...

    A 610 mm improves the flow on a modified 2HP DC with a basic needle felt filter by about 10%, I would expect a 1220mm to not quite double that.
  13. Replies
    39
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    3,827

    Sticky: Sorry if you misunderstood. My recommended...

    Sorry if you misunderstood. My recommended location for blast gates is not in the trunk but in the 6" ducting just as it leaves the trunk line.

    If the trunk line is not too high above the shop...
  14. Replies
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    3,827

    Sticky: Design looks fine. I suggest the blast gates be...

    Design looks fine. I suggest the blast gates be located as close as possible to the relevant trunkline junction. The reason for this is to reduce the possibility of dust building up in less often...
  15. Replies
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    347

    I'm surprised you can remove the 120 scratches...

    I'm surprised you can remove the 120 scratches with just 320 grit paper, usually I would insert at least one and preferably 2 grit steps between 120 and 320.
    eg 180, 240 and then 320.
    Using a belt...
  16. Thread: Going hand tools.

    by BobL
    Replies
    87
    Views
    2,086

    Green Marri smells like a fresh Corona Beer. One...

    Green Marri smells like a fresh Corona Beer. One downside is if there are bees around they will settle along the sap wood line and suck away.
    Most chainsaw mills use chainsaws that have forward...
  17. Replies
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    213

    Unfortunately the only works if the branches are...

    Unfortunately the only works if the branches are already vertical and chances are that some will be on a slope.

    One way to get a cat post level would be to locate the cat tree, and a laser level...
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    634

    What depth of cut?

    What depth of cut?
  19. Replies
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    3,309

    I've had my conical burr Mazza Mini since 2004...

    I've had my conical burr Mazza Mini since 2004 and I replaced the hardened sintered steel burrs in 2018.
    I was having problems with flow consistency (same beans same tamp pressure etc) so I asked a...
  20. This is my home made steam generator that I use...

    This is my home made steam generator that I use for metal bluing.
    Powered by an old 2000W electric frypan into which I place a deepish SS sauce pan that can hold a couple of L of water.
    The cap/lid...
  21. Thread: Going hand tools.

    by BobL
    Replies
    87
    Views
    2,086

    In terms of harness, green Marri (6.6 kN) is...

    In terms of harness, green Marri (6.6 kN) is slightly harder than green Karri (6.1kN) but it's the opposite when dry, (9.0 kN for karri and 7.1 kN for Marri).
    The issue with Marri is getting...
  22. Replies
    16
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    468

    I would advise against using any sort of manifold...

    I would advise against using any sort of manifold box as they are high turbulence generators and can really stymie flow especially on a small DC..
    A magnetic connection would seem a better solution.
  23. Replies
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    347

    Also figured that - my point about mentioning...

    Also figured that - my point about mentioning shaping is that greater pressure is required for shaping so less pressure will be required (lower risk) for finish sanding.

    BTW I forgot to say that...
  24. Replies
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    347

    I found my variable speed belt sanders are the go...

    I found my variable speed belt sanders are the go for this sort of thing.
    I reserve a couple of well used 120 grit belts which when run at about 1/2 speed don't remove much stock, won't burn the...
  25. Thread: Going hand tools.

    by BobL
    Replies
    87
    Views
    2,086

    I ummed and aahhed for a long time about getting...

    I ummed and aahhed for a long time about getting a SCMS but eventually I came up with a (rare) unused spot (well it was not unused it was indeed full of junk) for it, on a jack up trolley under the...
  26. Replies
    39
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    3,827

    Sticky: Here in Oz we have two types of pipe commonly...

    Here in Oz we have two types of pipe commonly used for dust extraction, DWV, used for sewer pipe (grey coloured) and comes in different wall thicknesses (pressure ratings)
    The other pipe is Storm...
  27. Replies
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    247

    The bleed valve is closed during the transfer -...

    The bleed valve is closed during the transfer - the bleed valve is only opened once the transfer is complete and the sender and received valves are closed. Then the bleed is opened to release teh...
  28. Replies
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    3,827

    Sticky: Sorry no picture appeared - this is probably...

    Sorry no picture appeared - this is probably because you are a first time poster and it will take about 5? posts before you are approved - email the pic to me @ [email protected]



    The blue...
  29. Replies
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    844

    There are many small desktop SEMs available (that...

    There are many small desktop SEMs available (that have lower maintenance costs than the fridge size machines of the past) that I would take in a heartbeat.
    These are about the size of PC desktop and...
  30. Thread: Going hand tools.

    by BobL
    Replies
    87
    Views
    2,086

    The way I look at this issue relates closely to...

    The way I look at this issue relates closely to what form timber is acquired or purchased.

    If timber is purchased in salvaged, rough sawn larger billets or even slabs, then breaking the timber...
  31. Replies
    10
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    247

    We have 6 small sode stream bottles and I...

    We have 6 small sode stream bottles and I refilled them from a 6kg bottle for about 3 months but then chucked it in - filling is a PITA - it wastes a lot of CO2 and is potential VERY dangerous...
  32. reminds me of this. 489901 It's the...

    reminds me of this.

    489901

    It's the modified exhaust on my big chainsaw mill. Without thinking about it this results in the saw dust stream squirting straight into the exhaust stream.

    This...
  33. The reverse, internal combustion engines all emit...

    The reverse, internal combustion engines all emit large amounts of CO and CO2 along with unburnt fuel and other gunk. Co would be one of teh most dangerous and you fall asleep and don't wake up.
  34. Replies
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    844

    I know what you mean, however just a...

    I know what you mean, however just a clarification, resolution is the number of distinct lines/objects etc per unit length so technically an EM increases rather than reduces the resolution. One...
  35. You are going to need to install it outside the...

    You are going to need to install it outside the workshop or wear a CO canister gas mask if you use it inside.
  36. Replies
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    2,192

    It depends when the dust was made - if it was in...

    It depends when the dust was made - if it was in teh morning chances are that most of it has settled out by then. fine dust (0.3 to 0.5 microns) has a "half residence time" (the time taken for half...
  37. Replies
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    1,812

    I wouldnt necessarily rate Top gears assessment...

    I wouldnt necessarily rate Top gears assessment of anything better than the guys in the vid link I supplied. Drive Feel is highly subjective and is not something even experienced drivers can get used...
  38. Replies
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    1,812

    When I visited the US in 2006 I met an...

    When I visited the US in 2006 I met an environmental scientist in the US EPA who was relatively "green". He had a solar passive house with an organic waste recycling system, and even back then he had...
  39. Replies
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    1,812

    I agree that avoiding their use is very important...

    I agree that avoiding their use is very important but as we are an ageing population with crappy public transport system I can't see that happening.

    Even using just fossil fuel powered electricity...
  40. Replies
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    1,812

    It turns put that it's not that bad. Large...

    It turns put that it's not that bad.
    Large blocks of flats are able to draw many hundreds of amp feeds from the grid and from about midnight to dawn flat occupants use stuff all power so they could...
  41. Replies
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    1,812

    Yep , their data integration is quickly leaving...

    Yep , their data integration is quickly leaving everything else in the dust.
    The first thing Tesla recommended my brother did with his car was to park it within a trusted WIFI network whereby it...
  42. Replies
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    1,812

    I've spent a bit of time in my brother's Telsa...

    I've spent a bit of time in my brother's Telsa and I'm sold on them. I would have bought one to replace our Subaru if SWMBO did not need a vehicle that was capable of towing a horse float with two...
  43. Replies
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    2,192

    Did another mens shed dust consult recently. It...

    Did another mens shed dust consult recently. It was country shed I visited about 5 years ago and there were only 3 members present at the first visit and none of those were present at this visit. It...
  44. Replies
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    319

    Just confirming that soaking and clamping won't...

    Just confirming that soaking and clamping won't work.
    Cutting into boards won't work either.
    You might be able to rip the boards into shorter narrower strips and machine them flat using a...
  45. Replies
    18
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    655

    Sure, but just because machine and DC ports are...

    Sure, but just because machine and DC ports are poorly designed as you describe doesn't mean that new flexy connections cannot be optimised to the full diameter of ducting.

    Most machine and DC...
  46. Replies
    18
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    655

    I reckon its better to use female connections on...

    I reckon its better to use female connections on both sides. Flexy is already quite restrictive so adding an internal step that reduces the diameter even by a couple of mm makes a difference.
  47. Replies
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    267

    Thanks for the info. The bad news is - that...

    Thanks for the info.

    The bad news is
    - that DC in stock form with no machinery attached to it will only deliver about 580 CFM through those two 4" ducts ie about 290 CFM each
    - those sanders...
  48. Replies
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    562

    Well its definitely hardening now. Today was...

    Well its definitely hardening now. Today was really humid so that might have something to do with it.
  49. Replies
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    336

    You're just not using a big enough hammer. I...

    You're just not using a big enough hammer.

    I used a 1.5kg club hammer to drive the nails in on our 100+ year jarrah floor boards and joists before sanding. Had to do it in 1 hour sessions and then...
  50. Replies
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    267

    To fully answer your question it is necessary to...

    To fully answer your question it is necessary to know the specs of the DC including HP and port size.
    The size and type of ducting used
    The number of ports and size of the dust ports on the sander.
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