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21 hours ago, dig-dug-dan said:

putting out the same amount of carbon !

Pay attention at the back, it's not about carbon emissions it's about particulate and NOx emissions. If you downrate the power  by reducing fuelling then there is less heat in the combustion so even with excess air NOx is not formed and because the mix is always ultra lean less particulates form. Look at how tweaked diesels push out black smoke, well it's the opposite of that.

 

At the Ae machinery course I got marked down for pointing out that the Valmet forwarder was over fuelling as it came under load and pushed out black smoke, Stuart told me not to be silly, how things have changed in 20 years

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1 hour ago, openspaceman said:

I wonder if you really lit fires with tyres @Stubby, any fule knows that diesel doesn't work as well as petrol, and remember to pick the wire out of the ashes.

 

1 hour ago, openspaceman said:

I wonder if you really lit fires with tyres @Stubby, any fule knows that diesel doesn't work as well as petrol, and remember to pick the wire out of the ashes.

yea but the  diesel makes much more black smoke an that 👍

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On 16/12/2020 at 20:03, dig-dug-dan said:

Yes, but having lower horsepower means if takes longer to chip up than it did before, therefore running the chipper for longer, therefore putting out the same amount of carbon !

It's like when the eec  told us our kettles were too powerful., so haveing a kess powerful kettle took longer to boil, therefore using the same energy as the higher wattage one.

I never knew that kettles had been regulated against as well

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