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Re: Knots vs. Miles [Re: Jeff Peterson] #250426
07/02/12 08:20 AM
07/02/12 08:20 AM
Joined: Feb 2005
Posts: 4,118
Northfield Mn
Karl_Brogger Offline
Carpal Tunnel
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Joined: Feb 2005
Posts: 4,118
Northfield Mn
I'd flat out freak framing a wall .4064m oc. Hell, I don't even know what the diamonds work out to, 19" & some change.

Most of construction works in feet & inches. Cabinet makers are a bit slow and we function only in inches. I have to think for a second if someone says 13', 5-13/16", whereas I get it pretty quick when its 161-13/16".

How does it work in si? Do you use strictly meters? Or a combination of m and cm? What do you do if you have 62.5cm? Do you call it 5/8 of a meter, or .625 meters?

Last edited by Karl_Brogger; 07/02/12 08:32 AM.

I'm boatless.
-- Have You Seen This? --
Re: Knots vs. Miles [Re: Jake] #250428
07/02/12 08:27 AM
07/02/12 08:27 AM
Joined: Sep 2002
Posts: 3,224
Roanoke Island ,N.C.
Team_Cat_Fever Offline
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Team_Cat_Fever  Offline
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Joined: Sep 2002
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Roanoke Island ,N.C.
Originally Posted by Jake
Every road sign is in miles. It's an expensive switch to make but it would be nice to see us start using both to make the transition.


Yet we haven't had any problem printing EVERYTHING in English and Spanish.

I seem to recall there was a switch over date ,now that you mention it.Not surprising it got nixed.It'll probably happen ( is happening) on it's own accord with the global economy. Just take alot longer.


"I said, now, I said ,pay attention boy!"

The cure for anything is salt water - sweat, tears, or the sea
Isak Dinesen
If a man is to be obsessed by something.... I suppose a boat is as good as anything... perhaps a bit better than most.
E. B. White
Re: Knots vs. Miles [Re: Karl_Brogger] #250429
07/02/12 08:28 AM
07/02/12 08:28 AM
Joined: Sep 2002
Posts: 3,224
Roanoke Island ,N.C.
Team_Cat_Fever Offline
Carpal Tunnel
Team_Cat_Fever  Offline
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Joined: Sep 2002
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Roanoke Island ,N.C.
Originally Posted by Karl_Brogger
I'd flat out freak framing a wall .4064m oc. Hell, I don't even know what the diamonds work out to, 19" & some change.


19", That'll never pass code. laugh


"I said, now, I said ,pay attention boy!"

The cure for anything is salt water - sweat, tears, or the sea
Isak Dinesen
If a man is to be obsessed by something.... I suppose a boat is as good as anything... perhaps a bit better than most.
E. B. White
Re: Knots vs. Miles [Re: Team_Cat_Fever] #250432
07/02/12 08:36 AM
07/02/12 08:36 AM
Joined: Feb 2005
Posts: 4,118
Northfield Mn
Karl_Brogger Offline
Carpal Tunnel
Karl_Brogger  Offline
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Joined: Feb 2005
Posts: 4,118
Northfield Mn
Originally Posted by Team_Cat_Fever
Originally Posted by Karl_Brogger
I'd flat out freak framing a wall .4064m oc. Hell, I don't even know what the diamonds work out to, 19" & some change.


19", That'll never pass code. laugh


I don't see it too often anymore, (I also don't frame too often anymore), but trusses can be laid out on the diamonds if called for. I don't know the reasoning for such an odd number.


I'm boatless.
Re: Knots vs. Miles [Re: Karl_Brogger] #250434
07/02/12 08:46 AM
07/02/12 08:46 AM
Joined: Jun 2001
Posts: 12,310
South Carolina
Jake Offline
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Jake  Offline
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Posts: 12,310
South Carolina
Originally Posted by Karl_Brogger


How does it work in si? Do you use strictly meters? Or a combination of m and cm? What do you do if you have 62.5cm? Do you call it 5/8 of a meter, or .625 meters?


You would simply use 62.5cm. A metric tape measure will have tick marks at 10ths between each base number so 62 plus 5 tick marks. Everything is in 10ths....and 62.5cm is 625mm, 6.25 decimeters (not used that often), and 0.625 meters. It's much simpler than what we do here today. 5/64" is much more difficult to enter in a computer.

To Todd's point, even our framing centers would eventually change to align with the metric system which impacts code and everything else. 16" centers (40.64cm) would become 50cm or 40cm centers or something standard and easily divisible (I wonder what european framing standards are in that regard?).


Jake Kohl
Re: Knots vs. Miles [Re: Jeff Peterson] #250438
07/02/12 09:35 AM
07/02/12 09:35 AM
Joined: Jun 2001
Posts: 975
South Louisiana, USA
Clayton Offline
old hand
Clayton  Offline
old hand

Joined: Jun 2001
Posts: 975
South Louisiana, USA
IMO, the problem everyone has with the metric system is trying to co-relate back to what they are used to. They always think "now how many inches is that?". Instead of just forgetting about the inches and feet.

JMO

C

Re: Knots vs. Miles [Re: Smiths_Cat] #250445
07/02/12 10:20 AM
07/02/12 10:20 AM
Joined: May 2003
Posts: 4,451
West coast of Norway
Rolf_Nilsen Offline
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Rolf_Nilsen  Offline
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West coast of Norway
Originally Posted by Smiths_Cat

Yes logical and still used inside the GPS devices wink
SI units is a good idea, however they selected the wrong base measures (what is the meaning of 1m, I guess some old french length measure). If 1 m would be 1.825m, I guess the whole word would have already converged to the SI system.
So we will always measure distance in nm and speed in kts as long the earth turns because it is logic.


The definition of a metre changed over the years as we learnt more about geometry and the planet, but the length stayed the same. A very entertaining question of changing the definition to fit the measurement smile

Ref: http://en.wikipedia.org/wiki/Metre


On the coordinate system used inside GPS units.. It is WGS84 but the output could be anything really. Even UTM or Buckminster Fullers world map.

http://en.wikipedia.org/wiki/Universal_Transverse_Mercator_coordinate_system
http://en.wikipedia.org/wiki/World_Geodetic_System
http://en.wikipedia.org/wiki/Dymaxion_map

If the logical approach was universally accepted we should have been using knots instead of km/h or m/h in cars as well smile

Re: Knots vs. Miles [Re: Jeff Peterson] #250456
07/02/12 11:36 AM
07/02/12 11:36 AM
Joined: Aug 2007
Posts: 3,969
B
brucat Offline
Carpal Tunnel
brucat  Offline
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B

Joined: Aug 2007
Posts: 3,969
Being in the science/engineering world, I use metric (SIs) all the time, and have since high school and college (it's not just MIT, BTW).

Being American, I would say that the decimal part of it makes things much simpler, but agree that relating the measurements to the "normal" imperial measurements used in every other part of my life is challenging.

I find that nautical miles are easier to use as a race officer. There are roughly 6000 feet in a nautical mile, so 0.1 nm is 600 feet, which helps when setting a starting line with a GPS.

Mike

Re: Knots vs. Miles [Re: Jake] #250463
07/02/12 12:27 PM
07/02/12 12:27 PM
Joined: Dec 2001
Posts: 5,590
Naples, FL
waterbug_wpb Offline
Carpal Tunnel
waterbug_wpb  Offline
Carpal Tunnel

Joined: Dec 2001
Posts: 5,590
Naples, FL
Originally Posted by Jake
To Todd's point, even our framing centers would eventually change to align with the metric system which impacts code and everything else. 16" centers (40.64cm) would become 50cm or 40cm centers or something standard and easily divisible (I wonder what european framing standards are in that regard?).


Dude, come to FL. You are required to toss out your plumb, level and tape measure in order to sit for the GC exam. English or Metric, it doesn't matter... There is no such thing as a straight wall or 90 degree corner in construction here.

16" center ppttthhh... we use "dat oughta doit" measurement.


Jay

Re: Knots vs. Miles [Re: waterbug_wpb] #250467
07/02/12 12:32 PM
07/02/12 12:32 PM

M
MN3
Unregistered
MN3
Unregistered
M



Originally Posted by waterbug_wpb
Originally Posted by Jake
To Todd's point, even our framing centers would eventually change to align with the metric system which impacts code and everything else. 16" centers (40.64cm) would become 50cm or 40cm centers or something standard and easily divisible (I wonder what european framing standards are in that regard?).


Dude, come to FL. You are required to toss out your plumb, level and tape measure in order to sit for the GC exam. English or Metric, it doesn't matter... There is no such thing as a straight wall or 90 degree corner in construction here.

16" center ppttthhh... we use "dat oughta doit" measurement.


Jay, it's called "Contemporary non linear design" People pay Big Bucks to have curve walls in many areas.. enjoy the "added" dimensions to your home

Last edited by MN3; 07/02/12 04:10 PM.
Re: Knots vs. Miles [Re: Jeff Peterson] #250484
07/02/12 03:07 PM
07/02/12 03:07 PM
Joined: May 2002
Posts: 131
Southern Ontario
fredsmith Offline
member
fredsmith  Offline
member

Joined: May 2002
Posts: 131
Southern Ontario
Todd-
Hockey sticks at 10 meters and on ice skates.
I'm stacking the deck. LOL.
Hope to see you at the Worlds.
Fred


Re: Knots vs. Miles [Re: Jeff Peterson] #250485
07/02/12 03:10 PM
07/02/12 03:10 PM
Joined: Feb 2005
Posts: 4,118
Northfield Mn
Karl_Brogger Offline
Carpal Tunnel
Karl_Brogger  Offline
Carpal Tunnel

Joined: Feb 2005
Posts: 4,118
Northfield Mn
Fred you know that hillbilly cracker will be like a fish outta water on ice, much less on ice with skates!


I'm boatless.
Re: Knots vs. Miles [Re: ] #250486
07/02/12 03:39 PM
07/02/12 03:39 PM
Joined: Dec 2001
Posts: 5,590
Naples, FL
waterbug_wpb Offline
Carpal Tunnel
waterbug_wpb  Offline
Carpal Tunnel

Joined: Dec 2001
Posts: 5,590
Naples, FL
Originally Posted by MN3
Jay, it's called "Contemporary non linear design" People pay Big Bucks to have curve walls in many areas.. enjoy the "added" detentions to your home


Genius, I tell you... genius. I'll put that in my mobile home listing 4 sale.... smile


Jay

Re: Knots vs. Miles [Re: waterbug_wpb] #250488
07/02/12 04:09 PM
07/02/12 04:09 PM

M
MN3
Unregistered
MN3
Unregistered
M



Originally Posted by waterbug_wpb
Originally Posted by MN3
Jay, it's called "Contemporary non linear design" People pay Big Bucks to have curve walls in many areas.. enjoy the "added" detentions to your home


Genius, I tell you... genius. I'll put that in my mobile home listing 4 sale.... smile


smile

Re: Knots vs. Miles [Re: fredsmith] #250491
07/02/12 04:32 PM
07/02/12 04:32 PM
Joined: Sep 2002
Posts: 3,224
Roanoke Island ,N.C.
Team_Cat_Fever Offline
Carpal Tunnel
Team_Cat_Fever  Offline
Carpal Tunnel

Joined: Sep 2002
Posts: 3,224
Roanoke Island ,N.C.
Originally Posted by fredsmith
Todd-
Hockey sticks at 10 meters and on ice skates.
I'm stacking the deck. LOL.
Hope to see you at the Worlds.
Fred



Only ice I'm interested in is what's floatin' on top of my rum drink.
No worlds for me. I don't feel like I've got the new boat even close to where it should be to spend the jack (Travel,measurements, entry and insurance upgrades) it'll take to do worlds. If work is slow I may try to help out with RC if I can find a place to crash.


"I said, now, I said ,pay attention boy!"

The cure for anything is salt water - sweat, tears, or the sea
Isak Dinesen
If a man is to be obsessed by something.... I suppose a boat is as good as anything... perhaps a bit better than most.
E. B. White
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