Newcomen Industrial Revolution

I know an efficient steam engine was necessary for the Industrial Revolution c1780, but was it sufficient? Or, if other social factors were necessary, were they present earlier?
So, if Thomas Newcomen invented the Watts engine instead of the one he did in OTL, would the Industrial Revolution have occurred c1720 and we would now have bases on the Moon and Mars and surf the web by direct neural input, or would the better engine have just been a marginal feature of society for half a century until the IR took off?
 
I know an efficient steam engine was necessary for the Industrial Revolution c1780, but was it sufficient? Or, if other social factors were necessary, were they present earlier?
So, if Thomas Newcomen invented the Watts engine instead of the one he did in OTL, would the Industrial Revolution have occurred c1720 and we would now have bases on the Moon and Mars and surf the web by direct neural input, or would the better engine have just been a marginal feature of society for half a century until the IR took off?
I'd disagree that the steam engine was necessary for the Industrial Revolution even in 1780. Mechanisation was happening before the steam engine. Textiles were the biggest driver of the industrial revolution (though certainly not the only factor) and the majority of textile factories were wind or water powered until sometime in the nineteenth century (it may have been 1830, but I forget the exact year).

So an earlier Watts steam engine will help a bit, but it won't be that dramatic a change so as to move all technology forward by half a century. Other things need to develop first, such as metallurgy, export markets, a need for steam engines in textile factories to arise due to running out of suitable water power sites, etc.
 
I agree that water power was sufficient to start the industrial revolution. However, if steam power and its prerequisite technologies were 50 years in advance of OTL then the golden age of canals would have been still born.
 
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