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Morning, Mr Walker.. by tamjk   (Show all posts)
Hi TamI don't know.. by Peter Walker   (Show all posts)
Wicklore,I realise.. by tamjk   (Show all posts)
In reply to Tamjk'.. by mcrtchly   (Show all posts)
Addressing someone.. by kernowclimber   (Show all posts)
Hi tamjk. In your .. by wicklore   (Show all posts)
** The OSI public .. by tamjk   (Show all posts)
Those who keep a s.. by Onzy   (Show all posts)
tamjk
2015-09-01 12:38:57
"Eastern Ascent to Mullaghanattin Peak" from tamjk Expand pics
Eastern Ascent to Mullaghanattin Peak (Expand pics)
Mullaghanattin, Map in doubt?
Go to this webpage for a map of the summit and its ascents.

maps.osi.ie/publicviewer/#V2,473842 E,577303 F,9,10

The "easiest" ascent is from the east, i.e. from a point at contour 700 m to the summit itself, which is given as 773 m. This is a net rise of 73 m.

Now measure the corresponding horizontal distance.
Using a ruler on the screen, I make it around 30 mm.
Applying the scale factor of x 10,000, this equates to a real horizontal projection of ~ 300 m.

So our gradient on this eastern ascent is given by :

Gradient = tan-1 ( 73 / 300 ) = tan-1( 0.24 ) ~ 13.5 degrees . . . .

I don't know about you people, but I make this rise to be a lot more than 13 - 14 degrees.

To the eye, I made it to be 30 degrees at least.
In reply to a rece.. by mcrtchly   (Show all posts)


RECENT CONTRIBUTIONS 1 2 3 .. 15 Next page >>
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Summit Comment
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Corkonian 22 hours ago.
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Summit Comment
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Summit Comment
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Summit Comment
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Summit Comment
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RECENT CONTRIBUTIONS 1 2 3 .. 15 Next page >>