>>11338433>>Aircraft piston engines have a minimal amount of partsbut still requires a great deal of machining
>> Bearings are sleevesball bearings hugely improved the reliability of rotating machinery.
>>11339415>>no ability to machine somethingthe issue was that they couldn't machine things very well. During the 1850s they hadn't quite figured out how to control all 3 axes on milling machines. Milling cutters weren't that good either. We didn't even have twist drill bits until 1861:
https://en.wikipedia.org/wiki/Drill_bit#Twist_drill_bitsAnd really three axis control came out of the need to manufacture components like twist drills, which were previously made by hand. There was a pretty big revolution in milling cutters starting in the 1860s-1870s. We had mills, but the problem was that milling cutters couldn't be sharpened without changing the clearance. It also took some time for people to trust a new design that enabled this.
https://en.wikipedia.org/wiki/Milling_cutter#Historyhttps://books.google.com/books?id=d0rOAAAAMAAJ&pg=PA14#v=onepage&q&f=falseIt took time to use machines to make better machines and it took time to develop the machining process such that complex parts could be machined. An example of how things take time is that Otto pretty much figured out the Otto cycle in 1862, but the engines he built didn't last longer than a couple of minutes. It took about 14 years of development to make a practical engine. Sure, having the magneto, carburetor, and what not invented for you would speed things up.
