Rolls Royce turbine blade is a single crystal.

One of their secrets is the allowable angle a crack can have from some reference point.

Maybe in addition entertain:

(1) Buffett Moat

That’s Warren Buffett, the investor and friend of Bill Gates. So a Buffett moat is another term for a barrier to entry or how to keep out competition.

Likely the US and world, unchallenged grand champion is a geographical barrier to entry: So, a local pizza carryout is not in competition with any other pizza shop more than, say, 50 miles away since nearly no one wants to drive more than 25 miles for a pizza. That moat also works for auto repair shops, auto body shops, dentists, nearly all restaurants, car dealerships, grocery stores, and much more. E.g., no way can China complete with a NY auto body shop!

Other moats can be high switching costs (e.g., users of Microsoft Word, customers of Oracle, organizations making use of the more advanced features of Cisco’s switches and routers), network of users (e.g., Facebook, Snapchat), own a standard (Intel’s x86), technological (Intel’s 14 nm process, on the way to 7 nm or so, the software of James Simons), trade secrets (e.g., how Rolls-Royce makes the turbine blades in their high end jet engines).

(2) Must Have

There are lots of products and services that some people will find nice to have, but for a startup it can be safer to have a product/service that is a must have and for enough people to make a good business.

(3) Technology

At one time, open ocean sailing was a new thing. Then the claim goes that could take a ship from England to the Far East, return with a load of silks and spices, do this just once, and retire rich for life. Well, don’t expect to get rich moving silk, pepper, and cinnamon across the oceans now. So open ocean sailing became an old thing.

Similarly for copper, bronze, iron, steel, railroads, steamships, electric power, telephones, radio, TV, plastics, aluminum, transistors, anti-biotics, more in electronics, etc.

Just now the big opportunities for such new things to take advantage of seem to be (A) digital computing, especially with the Internet, and (B) pharmaceuticals, especially aided by analyses of DNA.

http://themusingsofthebigredcar.com/5938-2/

BRC
http://www.themusingsofthebigredcar.com

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