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Type: Posts; User: BobL
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29th March 2024, 10:28 AM
Thread: Future of the Australian Electricity Market
by BobL- Replies
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During a sabbatical in Japan in 1995 I worked on...
During a sabbatical in Japan in 1995 I worked on a small (about the size of 20ft container) nuclear (research) reactor that was turned on at 10am and shut down at 4pm every day. It was capable of...
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28th March 2024, 06:44 PM
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depends on which 90º bend is used. at post 32...
depends on which 90º bend is used.
at post 32 and 35 in the same threads as the flexy dats.
https://www.woodworkforums.com/f200/blast-gate-gallery-211987?highlight=rocker+blast+gates -
28th March 2024, 12:15 PM
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A couple of things to consider. Those 6" gates...
A couple of things to consider.
Those 6" gates are inserted into the ducting or flex so they end up constricting the air path down to <140 mm diameter - this might not seem like much but it all... -
24th March 2024, 02:43 PM
Thread: how to cut aluminium cleanly??
by BobL- Replies
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Blade on backwards :oo: - its not the first time...
Blade on backwards :oo: - its not the first time this has happened - It even happened to an experienced woodie on this site who seems to have evaporated.
Negative rake applies to the forward... -
24th March 2024, 12:30 PM
Thread: Old Age and vision
by BobL- Replies
- 18
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Some ideas. The illumination may not appear...
Some ideas.
The illumination may not appear that bright in some of these photos but that is because the camera has to cope with the brightness of the lights so the surrounds don't always look that... -
24th March 2024, 10:36 AM
Thread: Old Age and vision
by BobL- Replies
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Incandescent lights are basically very hot bodies...
Incandescent lights are basically very hot bodies at 1000's of degrees so emit a broad frequency spectrum with a peak being temperature dependent, and in the infra red. This is why they get so hot...
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24th March 2024, 09:49 AM
Thread: how to cut aluminium cleanly??
by BobL- Replies
- 28
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Thanks Jack, that blade should work OK. Maybe try...
Thanks Jack, that blade should work OK. Maybe try slowing down the feed rate?
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23rd March 2024, 08:24 PM
Thread: how to cut aluminium cleanly??
by BobL- Replies
- 28
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- 506
This is the same blade I have for both my TS and...
This is the same blade I have for both my TS and SCMS.
https://www.totaltools.com.au/135963-bosch-305mm-100t-tct-circular-saw-blade-multi-purpose-multimaterial-2608644607
I see the prices have... -
23rd March 2024, 08:00 PM
Thread: how to cut aluminium cleanly??
by BobL- Replies
- 28
- Views
- 506
You need a blade with NEGATIVELY raked teeth....
You need a blade with NEGATIVELY raked teeth. Regular wood blades have positively raked teeth to bite into the wood and self feed ie drag the material into the cut. Using this on Al will end up...
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22nd March 2024, 07:17 PM
Thread: Old Age and vision
by BobL- Replies
- 18
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- 522
Just watch out that many unscrupulous vendors...
Just watch out that many unscrupulous vendors will call their headband magnifier product "Optivisors" when they are clearly not.
One of the best things you can do to improve vision in a workshop... -
21st March 2024, 01:58 PM
Thread: Quest to Stop Dishwasher Drain Gurgling.....
by BobL- Replies
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- 823
The bacteria is likely to be the least of my...
The bacteria is likely to be the least of my worries compared to the 5-6 double shots of espresso I have daily. :oo:
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21st March 2024, 09:48 AM
Thread: why is this winch vertical lifting only??
by BobL- Replies
- 10
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- 313
I wonder if it is a result of something lost in...
I wonder if it is a result of something lost in translation.
Its probably just that the 600kg rating is the maximum vertical lift and somehow this got translated into saying that its a vertical... -
20th March 2024, 07:32 PM
Thread: Quest to Stop Dishwasher Drain Gurgling.....
by BobL- Replies
- 30
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- 823
For many years I had the coffee machine drain...
For many years I had the coffee machine drain connected to just above the sink trap using a 2.5m length of hose (red line). The hose went through a hole in the bench top and followed a very shallow...
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20th March 2024, 09:58 AM
Thread: Future of the Australian Electricity Market
by BobL- Replies
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- 84,384
I was mildly amused by this sentence of advice in...
I was mildly amused by this sentence of advice in the link for people who want to go and look at the wind power generators.
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20th March 2024, 09:53 AM
Thread: Norway - An idiosyncratic country.
by BobL- Replies
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Love the Pics Paul, I spent a lot of time...
Love the Pics Paul, I spent a lot of time travelling but never made it to Norway - perhaps one day :D
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20th March 2024, 09:49 AM
Thread: Quest to Stop Dishwasher Drain Gurgling.....
by BobL- Replies
- 30
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- 823
My coffee machine waste is plumbed in after the...
My coffee machine waste is plumbed in after the sink S bend and there's no syphoning of water out of the S bend. OTOH the volume of waste water from the coffee machine is significantly less than from...
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19th March 2024, 11:52 AM
Thread: Future of the Australian Electricity Market
by BobL- Replies
- 2,024
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- 84,384
Paul, Very Interesting - keep posting. BTW...
Paul,
Very Interesting - keep posting.
BTW most of the attachments are not showing up. I think you may have linked them to your PC or phone and not actually uploaded them OR they are the wrong... -
7th March 2024, 09:00 AM
Thread: cartridge filter
by BobL- Replies
- 7
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- 531
It won't deliver much more flow (maybe few %)...
It won't deliver much more flow (maybe few %) because the 2HP impeller is limited to what it can output. However the longer filter will take about twice as long to clog.
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6th March 2024, 08:12 AM
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That's basically why that one is welded on that...
That's basically why that one is welded on that side. The other one I made is welded on the other side.
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5th March 2024, 11:48 AM
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I have made several banjos for my small Woodfast....
I have made several banjos for my small Woodfast.
A WIP of my last one is here
Dualling banjos
I used a cam action lock, no metal mill was needed, just a 4 jaw chuck on a MW lathe to turn the... -
5th March 2024, 08:09 AM
Thread: cartridge filter
by BobL- Replies
- 7
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- 531
Interesting to see this about the amazon...
Interesting to see this about the amazon vibrator.
BTW I see those vibration motors with all metal housing and IP65 rating are available on ebay for around $50. You'll have to fit your own... -
4th March 2024, 03:42 PM
Thread: cartridge filter
by BobL- Replies
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- 531
On a 2HP DC, a clean (not pristine or new, just...
On a 2HP DC, a clean (not pristine or new, just well rattled down) pleated filter (PF) will give about 10-12% more flow and maintain flow for longer than a well shaken down/out needle felt filter...
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4th March 2024, 01:21 PM
Thread: using M8 SS wood inserts..
by BobL- Replies
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- 213
Softer insert material won't make any difference....
Softer insert material won't make any difference. Clamping might work but I would experiment first.
Here's a trick I have used for that surface type splitting and it involves turning one of your... -
4th March 2024, 10:59 AM
Thread: Wheelie Bin Dust Separator
by BobL- Replies
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I'm not sure, but given the OP's not using it as...
I'm not sure, but given the OP's not using it as cyclone ie no side entry and no "conification", there's unlikely to be any cyclonic action. The main issue with not using it, is separators...
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3rd March 2024, 10:09 AM
Thread: Wheelie Bin Dust Separator
by BobL- Replies
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- 9,707
At the mens shed I used to go to their usually...
At the mens shed I used to go to their usually overly full Clearvue wheelie bin sawdust receptacle would be emptied into their community veggie garden but my observation was that unless it is well...
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2nd March 2024, 07:34 PM
Thread: Personal EV journey.
by BobL- Replies
- 196
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- 17,481
Yesterday my BIL and I had a go at repairing the ...
Yesterday my BIL and I had a go at repairing the rim rash (kerb scrapes) on my EV wheels which have now done over 15000 km.. This was the first time BIL and I have attempted this but I should add...
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1st March 2024, 08:00 PM
Thread: Future of the Australian Electricity Market
by BobL- Replies
- 2,024
- Views
- 84,384
Interestingly they supposedly have the longest...
Interestingly they supposedly have the longest coastline in the world>
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19th February 2024, 07:38 PM
Thread: Compressor tank needs cleaning?
by BobL- Replies
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I'd say it was normal. Air contains CO and CO2,...
I'd say it was normal. Air contains CO and CO2, NOx and SOx. These dissolve in the water that condenses out from the compressed that cools inside the tank. As they dissolve they form weak acids which...
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19th February 2024, 10:48 AM
Thread: Future of the Australian Electricity Market
by BobL- Replies
- 2,024
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- 84,384
Whenever I park my EV in the sun I usually use a...
Whenever I park my EV in the sun I usually use a windscreen shade and always leave "Cabin Overheat Protection" (COP) mode on. This runs the ventilation fan (no AC) which equilibrates the Cabin temp...
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18th February 2024, 11:34 AM
Thread: Future of the Australian Electricity Market
by BobL- Replies
- 2,024
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- 84,384
Some EVs have external speakers and a variety of...
Some EVs have external speakers and a variety of user selectable modes/sounds dependent on speed and directions. From a V12, high speed turbine, farts, or a for reversing, a forklift type Beep, Beep,...
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16th February 2024, 09:06 AM
Thread: Fan Question
by BobL- Replies
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- 763
The CPU in my EV has a liquid coolant loop going...
The CPU in my EV has a liquid coolant loop going tru it.
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16th February 2024, 09:01 AM
Thread: Help on hanging quilts in pavilion.
by BobL- Replies
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SWMNLBO usually used special spring clips...
SWMNLBO usually used special spring clips available on line that clipp to the quilt edge on one side and had a ring on the other which could go thru a length of dowel or just be hung from hooks.
One... -
15th February 2024, 09:28 AM
Thread: Future of the Australian Electricity Market
by BobL- Replies
- 2,024
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- 84,384
Humm . . . . if electrical power is being...
Humm . . . . if electrical power is being generated to make H, why not put it straight into a swappable battery?
People make out that making H is a doddle and this is indeed the case making small... -
14th February 2024, 06:27 PM
Thread: Future of the Australian Electricity Market
by BobL- Replies
- 2,024
- Views
- 84,384
Due to thermodynamics H as a transport fuel is...
Due to thermodynamics H as a transport fuel is unlikely to be much more efficient than it is today.
OTOH Batteries as a technology are likely to have some way to go.
Existing batteries are already... -
10th February 2024, 12:12 PM
Thread: Personal EV journey.
by BobL- Replies
- 196
- Views
- 17,481
Dunno about developing I've always liked a quick...
Dunno about developing I've always liked a quick take off but for most of my life the vehicles I've used have not been suited to this sort of thing. :D
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9th February 2024, 07:24 PM
Thread: Personal EV journey.
by BobL- Replies
- 196
- Views
- 17,481
Thanks Paul, yes some good pointers there. ...
Thanks Paul, yes some good pointers there.
Perth has had several strings of 40C+ days and I'm loving the automated climate control on the EV. Today I had to use trailer to pick up a large spit AC... -
6th February 2024, 06:46 PM
Thread: Do expressions of interest break forum rules
by BobL- Replies
- 8
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Have you had look on FB Market place or Gumtree...
Have you had look on FB Market place or Gumtree to see if there are any similar machines for sale and this will give you and idea of price.
Then get him to advertise it on FB and/or GT and post a... -
I was a member at a mens shed for about 5 years...
I was a member at a mens shed for about 5 years and the members that regularly "stuck in my craw" were those that came along, over used or abused the facilities, talked to no one, did not attend any...
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31st January 2024, 03:44 PM
Thread: Personal EV journey.
by BobL- Replies
- 196
- Views
- 17,481
Someone has to pay for the cost and installation...
Someone has to pay for the cost and installation of the chargers especially in remote locations - See below.
The new chargers connected to Mains are 150kW so can't exactly be plugged into a 240V... -
31st January 2024, 09:37 AM
Thread: Personal EV journey.
by BobL- Replies
- 196
- Views
- 17,481
Here is my road trip experiences. I've had my...
Here is my road trip experiences.
I've had my vehicle now for some 6 months and have done 13000 km of driving including 10 country trips and have used 3 different charger types on the road; WA... -
29th January 2024, 04:25 PM
Thread: Future of the Australian Electricity Market
by BobL- Replies
- 2,024
- Views
- 84,384
I think most trains and eventually most trucks...
I think most trains and eventually most trucks will eventually become electric
Rio Tinto hopes electric trains will help company halve emissions - ABC News
In case you haven't see this... -
26th January 2024, 10:34 AM
Thread: TOOL storage beyond Peg Board’s!!!!!
by BobL- Replies
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I found the hooks are less likely to fall out if...
I found the hooks are less likely to fall out if the bit that goes into the pegboard hole is bent by an additional ~20º although it does make it slightly harder to insert.
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22nd January 2024, 05:13 PM
Thread: Future of the Australian Electricity Market
by BobL- Replies
- 2,024
- Views
- 84,384
BTW, 1400 MW x 24 = 33,600 MWh not kWh Its ...
BTW, 1400 MW x 24 = 33,600 MWh not kWh
Its easy to get tangled up in maximums and leave out the big picture like what else is making power.
When there's nothing but a coal fired power plant... -
21st January 2024, 12:10 PM
Thread: Future of the Australian Electricity Market
by BobL- Replies
- 2,024
- Views
- 84,384
WA is lucky that it gets gas from the NW self at...
WA is lucky that it gets gas from the NW self at guaranteed prices so can continue to provide reasonable electrical power prices using gas but it has still managed to stuff up its coal power...
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19th January 2024, 08:52 AM
Thread: Seasoning a small log
by BobL- Replies
- 2
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- 404
in Oz we probably wouldn't call that a log -...
in Oz we probably wouldn't call that a log - maybe a "branch"?
You have a couple of options,
1) Leave the bark on but to reduce cracking, seal the ends with wax or house paint or a proper log end... -
18th January 2024, 04:06 PM
Thread: Future of the Australian Electricity Market
by BobL- Replies
- 2,024
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- 84,384
Earth’s original atmosphere (eg 4 billion years...
Earth’s original atmosphere (eg 4 billion years ago ) was primarily methane, ammonia and water vapour. The methane got converted slowly to CO2 and the ammonia to nitrogen. Some of the first single...
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18th January 2024, 02:37 PM
Thread: New 2hp Sherwood wall mount dust collector
by BobL- Replies
- 4
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- 1,111
yep y
yep
y -
18th January 2024, 11:43 AM
Thread: Future of the Australian Electricity Market
by BobL- Replies
- 2,024
- Views
- 84,384
For over 12 months, twice each week I have been...
For over 12 months, twice each week I have been driving across the city of Perth through some of the ritzier western Suburbs to a physio/gym where I lift weights which supposedly prevents me from...
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18th January 2024, 08:19 AM
Thread: Future of the Australian Electricity Market
by BobL- Replies
- 2,024
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- 84,384
Just finished a book called "Powering Up" by...
Just finished a book called "Powering Up" by Australian Former Chief Scientist (Alan Finked) on how we "unleash the Clean energy supply chain".
Worth a read.
RE; Appearances can be misleading.... -
16th January 2024, 09:09 AM
Thread: New 2hp Sherwood wall mount dust collector
by BobL- Replies
- 4
- Views
- 1,111
Given the stated performance of their floor...
Given the stated performance of their floor mounted 2HP standard model is vastly over rated - my measurements show it's about half the claimed performance - I cant see how that design is going to be...