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BobG

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Posts posted by BobG

  1. Whilst parked at a petrol station this evening I was approached by a fairly well dressed white chap who claimed that his card was not working and he needed £3 to buy fuel to get home. Naturally I told him that I had no change and drove off.

    Did I do the right thing?

  2. DON'T waste money on expensive iPods. Simply think of your favourite tune and I hum it. If you want to "switch I tracks", simply think of another song you like and hum that instead.

     

    Old telephone directories make ideal personal address books. Simply cross out the names and address of people you don't know.

     

    Don't waste hundreds of pounds on expensive carpet. Simply buy two small pieces - attach them to the bottom of your feet and get that quality carpet feel throughout your home

  3. you have fogoten one important thing the energy to manufacture a machine is huge. a horse runs purelly on solar power in the form of biomas, so can be said to be carbon neutral and some of it,s emistions are useful, and alot less toxic as there is no benzene exctra in them

     

    As stated in my last paragraph, the life cycle of a tractor is less damaging than that of a horse. Consider the industy of the farrier, stable hand, vet, feed manufacture etc needed to sustain he horse. The tractor has an off button, the horse does not.

  4. Now there's a statement I'd like to see backup up with some evidence!:001_cool:

     

    It's a no brainer I'm afraid. Just consider the following-

     

    Let's assume that a heavy horse can sustain 1 HP for 8 hours, 5 days a week i.e. 40 hours work per week. 1 HP is roughly 750w so a horse does 30KWh worth of work per week. A 60HP diesel tractor is typically 40% efficient i.e. it extracts about 3.6KWh of energy from every litre of diesel used. The tractor will therefore need less than 9 litres of diesel per week to better the work rate of the horse. The emissions from the tractor are a lot less harmfull than those of a horse too. When you factor in the life cycle of a tractor from iron ore to completed tractor versus the life cycle of a horse from stable to grave things get even bleaker for the horse.

     

    To keep things fair and balanced here's a link to some flawed reasoning as to why horses are more eco friendly.

     

    Economics of Farming with Horses

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