[at-l] Engineering Question about PUDs

[shane@theplacewithnoname.com (Shane Steinkamp)]

Now you want me to calculate straight line distances?  You'd
think I had a doctorate in theoretical mathematics or
something...  OK.  I'll do it.  But tomorrow...

Shane

> -----Original Message-----
> From: at-l-admin@mailman.backcountry.net
> [mailto:at-l-admin@mailman.backcountry.net]On
> Behalf Of Richard
> Sent: Thursday, February 14, 2002 9:20 PM
> To: David; Shane Steinkamp; at-l@mailman.backcountry.net
> Subject: Re: [at-l] Engineering Question about PUDs
>
>
> Using simple math, the midpoint is is 40° 15' 57"
> N latitude and 76° 33'
> 29.5" W longitude, which according to DeLorme
> Topo USA is a few miles east
> of Hershey PA.  The elevation there is 500' above
> sealevel.
>
> Extending the hypothetical to the absurd, if
> there is an elevator shaft from
> the top of Springer straight down to sealevel and
> another from the top of
> Katahdin straight down to sealevel and they are
> connected with a horizontal
> tunnel on a geometrically straight line, how long
> is that tunnel and how far
> underground is it at the midpoint?
>
> Richard
> ATsomeday
>
>
> ----- Original Message -----
> From: "David" <dfaddleton@mindspring.com>
> To: "Shane Steinkamp" <shane@theplacewithnoname.com>;
> <at-l@mailman.backcountry.net>
> Sent: Wednesday, February 13, 2002 9:45 PM
> Subject: Re: [at-l] Engineering Question about PUDs
>
>
> > I wonder if the spot is actually on the trail itself
> > And I wonder what the variation in feet or
> meters is between that spot and
> > the terminii . . .
> >
> >
> >
> >
> > ----- Original Message -----
> > From: "Shane Steinkamp" <shane@theplacewithnoname.com>
> > To: <dfaddleton@mindspring.com>;
> <at-l@mailman.backcountry.net>
> > Sent: Wednesday, February 13, 2002 8:22 PM
> > Subject: RE: [at-l] Engineering Question about PUDs
> >
> >
> > > > Draw a straight line between two points, one the
> > > > southern terminus and the other the northern
> > > > terminus of the AT. An arc reflecting the earth's
> > > > curvature must also meet at those two points.
> > > > Where is the mid point on that arc? and how many
> > > > meters does that point deviate from either end?
> > >
> > > Sorry it took so long...
> > >
> > > The summit of Springer is 34° 37' 38" N 84° 11' 37" W
> > >
> > > The summit of Katahdin is 45° 54' 16" N 68° 55' 22" W
> > >
> > > The great circle distance is 1117 miles.
> > >
> > > The midpoint would be 558.5 miles, which is
> somewhere in
> > > Pennsylvania.
> > >
> > > Shane
> > >
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