Jeez, I hope this doesn't last too long...

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Re: Jeez, I hope this doesn't last too long...

Postby harling » Sun Aug 26, 2012 1:44 am

I try not to apply my Math degree to practical problems more than once a year. That was it. :-)
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Re: Jeez, I hope this doesn't last too long...

Postby harling » Sat Aug 25, 2012 7:54 am

AlanOfTheBerg wrote:
jasonh300 wrote:So would 100% be 45 deg. or 90 deg.?

I imagine it would be 45deg where rise=run. Or run=fall. :o

100% grade (1m down for 1m forward): arctan(1.00) = 45 deg.

The "grade" of a vertical cliff is infinite.
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Re: Jeez, I hope this doesn't last too long...

Postby AlanOfTheBerg » Sat Aug 25, 2012 7:07 am

jasonh300 wrote:So would 100% be 45 deg. or 90 deg.?

I imagine it would be 45deg where rise=run. Or run=fall. :o
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Re: Jeez, I hope this doesn't last too long...

Postby harling » Sat Aug 25, 2012 5:01 am

14% grade: arctan(0.14) = 8 deg.
27% grade: arctan(0.27) = 15 deg.
33% grade: arctan(0.33) = 18 deg.
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Re: Jeez, I hope this doesn't last too long...

Postby mapcat » Sat Aug 25, 2012 4:37 am

jasonh300 wrote:It works, doesn't it?

"Trucks TURN AROUND NOW" would work better.
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Re: Jeez, I hope this doesn't last too long...

Postby xtago » Sat Aug 25, 2012 2:16 am

LOL looks like an Australian sign.

Its looks like a far kenworth it road.

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Re: Jeez, I hope this doesn't last too long...

Postby jasonh300 » Sat Aug 25, 2012 1:58 am

mapcat wrote:
jasonh300 wrote:I hope that it's just a picture of a truck, placed there to cast fear into the hearts of anyone who attempts to drive that road.

Sign says "Trucks use lower gear".


It works, doesn't it?
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Re: Jeez, I hope this doesn't last too long...

Postby mapcat » Sat Aug 25, 2012 1:28 am

jasonh300 wrote:I hope that it's just a picture of a truck, placed there to cast fear into the hearts of anyone who attempts to drive that road.

Sign says "Trucks use lower gear".
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Re: Jeez, I hope this doesn't last too long...

Postby txemt » Sat Aug 25, 2012 12:12 am

jasonh300 wrote:I have no concept of what 14% grade is. What is that in degrees? Or rise over run?

I've seen those signs before in eastern Tennessee between Chattanooga and Nashville, and also in Pennsylvania around Bethlehem. I know when the number's above 10, it's pretty friggin steep. I was also driving a moving van through Kentucky one time and couldn't maintain 30 MPH on the interstate on an incline.

Of course, I live in a place where you can park in neutral and not set the parking brake and your car will probably not move an inch.


FLAT LANDER!!!! :lol:
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Re: Jeez, I hope this doesn't last too long...

Postby jasonh300 » Sat Aug 25, 2012 12:03 am

mapcat wrote:What the hell are trucks doing on that road?!

Where is that? I want to make sure I avoid it.


I hope that it's just a picture of a truck, placed there to cast fear into the hearts of anyone who attempts to drive that road.
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