American screws drive me nuts!

Why did the English have "right hand drive"?....something I read, it had something to do with having the "Sword hand" free...to swing against your "opponent".


---------------------------------------------------------------------------------------------------------------------------------------------------------------------Rick...
Right hand drive leaves your left free while left hand drive leaves your right free assuming you agree that steering is more important than gear changes.
Especially since automatic gearboxes are plentiful but automatic steering not so much.
 
It's important to keep in mind that all systems of measurement are, at their roots arbitrary. The erstwhile metric system had as its original reference of linear measurement the distance from the equator to the North pole divided by 10,000,000...a very "convenient" reference standard! After the first attempt to use said standard there was a rush eventually concluding in platinum-iridium bars precise to a tiny fraction of an RCH. Much, much later it was "reformulated" as 1/299,792,458 of the distance light travels in a second. Wait you say...it's all beautifully and rationally structured with the bedrock superiority of a decimal base for easy-peasy calculating. If we humans had evolved with 12 fingers, do you think we would still view the decimal system as supreme...of course not, it would be "base 12 baby!".

Fifty years ago, as a young engineer working in the Fastener Engineering Department (yes...really) at Chevrolet Engineering I got the assignment of creating a set of tools and training materials to help the "more senior" engineers with the transition to metric, which was in its early days then. It was an interesting few years and the work was crucial as we did all of the fastener purchasing and we bought individual parts in quantities of many, many millions per year. Oh, and in my woodworking projects today there is a mix, but I still am more apt to pick up an #8 x 1-1/2" woodscrew than a 4mm x 40.
 
... with a chevrolet you need to drive on the middle line... you need all the width of the road to go straigth !
Ha, the six meter long Chrysler Imperial LeBaron dwarfs that.
 

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The 1973 Imperial was offered only in LeBaron trim, with the final Crowns coming off the line for the 1970 model year. You had your choice of the $7313 two-door hardtop or $7541 four-door hardtop. All, naturally, were powered by a 440-cid V-8 with 215 horsepower at 3600 rpm.
 
I thought it was that big countries required traveling large distances, requiring a team of horses, so the driver would sit on the left so the whip in his right hand could be used on all the horses, in small countries, small distances only required one horse, so the driver would sit on the right, so they could use the whip without a passenger getting in the way.
 
"Right on Red" sounds just wrong unless you are American I guess (Is the USA the only country where you can turn right while the traffic lights show red?).
In Canada you're allowed to make a right turn on a red light as long as you come to a full stop before the stop line first. And, of course, yield to other traffic, pedestrians, etc.

I'm pretty sure Australia allows turns on red as well.

Everywhere except the USA red is the colour of the political left.
That one blows my mind as well - especially considering the red scare, etc. One TV station early on decided to use red and blue and follow the British convention (red = left), but there was no agreement between stations on which party should have which colour. Then in the 2000 election the parties decided make the colours part of their brand and stuck with the current setup.

In Canada we use the British (and worldwide, ex. US) setup with red on the left, blue on the right.

Tom
 
While red is almost universally the colour of the political left blue is not as universally right.

In Germany for example the colour of the centre-right party (CDU or Christian Democratic Union) is black but that might be because of the Christian bit.

Until it was banned Germany had a tiny extreme right party called Freiheitliche Deutsche Arbeiter Partei (Free German Workers Party) which had the abbreviation FAP. Guess they were lucky to have been banned before the internet existed. 😉
I'm pretty sure Australia allows turns on red as well.
Only allowed at specific intersections if a sign stating that is present, in New Zealand it is always illegal.
 
clarification "a right TURN" on a red light follow the same rules as having a stopsign. Nad it's not universal throughout the country or even within a state. ex its generally ok in NY state but not in NYC. NYC does their own thing - they don't even recognize handicapped stckers/plates unless issued by the NYC DMV.