Why were most diesel engines 2 stroke until relatively recently?

Answer: In the US, the large diesel manufacturers are Caterpillar, Detroit Die.​.​.​ Long's Digest Top Stories For You Why were most diesel engines 2 stroke until relatively recently? Jim Carter, Owner Written Dec 17, 2018 In the US, the large diesel manufacturers are Caterpillar, Detroit Diesel, Cummins and Perkins. There are many others -John Deere, Case and some others… Of all of those manuf...  Read More » What was the effectiveness of draftees in the Vietnam War? Tom Dobson Written Sep 10 I was drafted in 1967 and went to Vietnam, so I guess I am qualified for this question. The only way I could tell the difference between a draftee and an volunteer was their...  Read More » Why is a PhD usually structured to take about six years? Are there ever shortcuts to take less time? Leonid Boytsov, PhD Natural Language Processing, Carnegie Mellon University (2018) Updated Jun 8 In our department the average is a bit longer than six years, spending seven-eight years is not unusual. The PhD in Europe takes roughly 3–4 years, in contrast. Note that t...  Read More » Why can Ferrari not be driven daily? Jon Haddock, Works in the Auto Industry Written Jun 23 A friend of mine bought a 1984 F308 GTS Quattrovalvole in 1988 with 11,000 miles on it. It was his daily drive until it reached 110,000 miles and was retired to 'weekend' st...  Read More » If the German 88 mm was so devastating, why didn't the U.S. put it on the Sherman tanks? James Flack, Lead writer on highly detailed WW2 wargame Updated May 29, 2018 If the German 88 mm was so devastating, why didn't the U.S. put it on the Sherman tanks? The 88mm wasn't that good, the US didn't make it, and it wouldn't fit on a Sherman. -...  Read More » If 512 GB of Micro SD is possible, why don't we have 512 TB HDD yet in the market? Irné Barnard, Been using and programming for computers since the mid 80s Written Sep 29, 2018 HDD has physical barriers. The latest 12TB disks even need special gas inside them. Things like Helium. Guess why? It's because normal air has molecules larger than the gap...  Read More » As a PhD advisor, how do you fire a student? Thomas Cormen, Faculty member at Dartmouth since 1992. Written Dec 23, 2018 When I've had to stop advising a Ph.D. student, it has always been after repeated discussions about their lack of progress. I had often switched the student to a different ...  Read More » What is something that almost nobody knows about when changing tires on your car? Chris Coleman, worked at Automotive Industry Written Nov 18, 2018 Balancing dots… When you look at a brand new tire, you may have seen a little red or yellow dot on the sidewall. Most people probably just assume it's an ink mark applied fo...  Read More » If a For Loop is faster when it is unrolled, why does my boss want me to make all of my code shorter by using for loops when my way is probably faster and easier to read? Ken Gregg, Software Engineering and Management Positions for over 30 Years Written Jun 12 Start by hanging this Donald Knuth quote on your office wall (if office policy allows you to hang things on your wall): "The real problem is that programmers have spent far ...  Read More » Is a PhD entitled to be referred to as "Dr." off campus? Barry Rountree, Computer Scientist, LLNL Written Sep 6, 2018 Short answer: Yes. Slightly longer answer: If I'm introduced to you as Dr. Rountree and you immediately refer to me as Mr. Rountree, that's considered rude. Longish answer: I...  Read More »   Read More in Your Feed Follow Quora on: Get the App for iOS and Android This email was sent by Quora (650 Castro Street #450, Mountain View, CA 94041). If you don't want to receive this type of email in the future, please unsubscribe.http://www.quora.com/