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As Shakespeare said: "Therein lies the Rub!" When last did you see an alarmist even attempt to quantify the benefits of Carbon ? (Answer: They almost never do!) The Social Cost Of Carbon We have various think tanks of Thermogeddonists calculating the “social cost of carbon dioxide” and that...

That is absolutely what clean air, rivers and nature is all about - I wholeheartedly agree. My digression is that CO2 is not a pollutant - The EPA by sleight of its own hand declared CO2 to be within its purview - thus giving them self appointed power to act against it. CO2 is the "gas of life"...

See the following video of the great economist Milton Friedman – made in 1978 but is as valid today as it was then. His point is that we cannot predict the future – we have habitually failed to do so in the past and that the price / market relationship will sort things out as it has always done...

So why call it a pollutant when its not ? Regards, Ken

Bazzer, I grew up in Liverpool where the pollution was so bad the sparrows woke up coughing - soot literally rained down from the sky, rain dirtied up a newly washed car - the photochemical smog was so thick you could barely see a streetlight whilst standing underneath it. If you breathed...

Getting back on topic - CO2 is not a pollutant - it's plant food. The demonization of it as a long lived pollutant is complete nonsense. I am all for pollution reduction - eliminating CO2 from the atmosphere will cause the extinction of all living things. The History Of The Earth’s Atmosphere...

Carbide inserts almost never have "razor sharp" edges as they chip too easily then - they are even rumbled after sintering to remove sharp edges. The cutting edge radius is obviously going to "rub" but as the depth of cut becomes bigger, this become less of an issue. So insert tools require...

Me too - in 1968 and apart from one rebuild and nearly shocking myself senseless on the aluminium case (and accidentally contacting a live wire with the other hand) - I still have it and it still works. In the meantime I've lost count of the number of cordless drills I've scrapped off - by the...

Man this is getting to be a fun post as long as we keep the exchange real and avoid ad-hominem slanging. I prefer to stick with the numbers (links provided) rather than opinion but here goes..... Ignoring all the possible subsidies and tax breaks etc. (which as per Norway mentioned in post...

There appears to be a political cognetive dissonance between what they are claiming to want to accomplish and the budgets required to achieve them. If all transport and heating go electric, the national grid would need to be at least doubled and maybe as much as quadrupled. The loud chorus of...

Norway is often held up as a shining example of a successful “green revolution” in that it has the highest percentage of electric vehicles (18%) on its roads. That is wonderful – but why ? In Norway fuel burning cars are exceedingly heavily taxed – high taxes on cars, luxury items, road tax vs...

Recharging the Australian way (Nullarbor) You can't make this stuff up. Regards, Ken

I know we have gone somewhat off topic but I feel I must toss in my 10c worth........ I too believe climate change is real – my problem is that I believe it is almost entirely natural – it has never been static – and I can’t believe that man is the cause or can control the climate with the...

They have also banned trucks from the road built before 2011 or have an engine built before 2010. They have also banned owner operated rigs. Non-compliant trucks are not allowed into California. As a result some 60 to 80 thousand trucks and truckers have left the state - that's why the container...

I'm in the robot business - but this agricultural weeding robot (not one of mine) is amazing Weeding Robot Regards, Ken

As an apprentice, one of my early machine shop supervising artisans gave me some sage advice - he was watching me charge into a job without really thinking it through and he said "You can't put the machine in reverse and put the material back on !". That thought always hovers into my mind each...

During WWII - POW's (like in "The Great Escape") made case hardened wire and bolt cutters from the mild steel corner brackets off their huts by heating and dunking in sugar then allowing it to "soak" in the fire to absorb the carbon. A "sugar tax" was levied on all rations by the escape committee.

Gordon, Here's a link to a bender (and plans) I posted some time back - also milling the radius in the rollers. Wire & Tube Bender As mentioned you can use hardened drill blank (or the hardened portion of a busted drill behind the flutes) sharpened and used as a tangential turning tool...

Just my 10c worth..... Most VFD's are intolerant of out of balance phase loads - like a single phase coolant pump on a 3 phase lathe - so check out the ratings of any VFD for phase imbalance limits. I would think a single phase butt welder (blade welder) on a 3 phase bandsaw would not work...

Lloyd, that's a 3/32" PO blade into 30mm dia. chewing gum grade extruded aluminium bar - just for scale. 4mm drilled hole on centre. I did have to back just a bit up once rather sharpish due to me not keeping the lube flowing (trying to take photos at the same time) - you can hear it...