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Re: Are DROs worth the money/trouble


 

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Dave,

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It all comes down to how long and how much one uses the unit.? (Fortunately, time is the same unit in both systems, and a second in imperial is the same as a second in metric.)? For single units of length and mass (volume can be derived from mass or length), I can work equally well in both imperial and metric because I¡¯ve used both since I was a child and ?have a pretty good idea of inches, pounds, and pints, as well as of meters, kilograms, and liters. ?What gives me headaches are combined or derived units, such as those for speed or pressure.? I¡¯ve had a whole lifetime to learn how fast some number of miles per hour is by looking at a car¡¯s speedometer, but the metric equivalent has only recently showed up on speedometers.? I also know that my car¡¯s tire pressure is about 30 pounds per square inch, but have no clue when I see pressure expressed in kilograms per square meter or better yet in newtons per square meter or in pascals.? ?

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Jerry F.

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From: [email protected] [mailto:[email protected]] On Behalf Of davesmith1800
Sent: Saturday, December 23, 2023 12:21 PM
To: [email protected]
Subject: Re: [7x12MiniLathe] Are DROs worth the money/trouble

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It is only for watching TV.
When get down to the real world then calculations?

FYI If you see temperature of 50¡ãC it is HOT ? and 20¡ãC not to bad of day.

Dave?

Gerald Feldman

2:51am? ?

Dave,

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I¡¯m sure you know it doesn¡¯t work that way! Reality is reality. We have enough trouble trying to get kids to understand the actual conversion so this would really mess them up and confuse them.? ?

Jerry F.

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