Powerful Chemical Conundrum 12 Mystery Cache
Hidden : 6/19/2016
Difficulty:
3.5 out of 5
Terrain:
3 out of 5

Size: Size: small (small)

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Geocache Description:


 

Powerful Chemical Conundrums

This series of progressively more complicated mystery caches is based in southern Tasmania. A feature of the series is that no waypoint is available for any of the caches. Each cache is located near an electrical distribution pole or tower ("Powerful"). To find the coordinates of the pole or tower you will need to solve puzzles based on chemistry ("Chemical Conundrums"). Each pole or tower has an identifying label attached to it. You will require this information to solve one or more puzzles to discover where the cache is relative to the pole or tower.

More explanatory information is given in the earlier members of the series (PCC 01 to PCC 10). It is recommended that at least some of these should be completed before attempting the more difficult final members (starting with PCC 11).

Special bonus: each of these final conundrums reveals information that can be used to locate a cache in the Wellington's Seldom Seen Sites series.

POWERFUL CHEMICAL CONUNDRUM 12 - Risdon Brook Park 01

This mystery multi-stage cache is located in Risdon Brook Park. It will take a bit less than an hour of walking (on formed gravel roads) to get to the cache site. Gates are open from 7.30am to 4.30pm (EST) or 8pm Daylight Saving Time. The Park is closed during severe weather. This cache is a replacement; the first Powerful Chemical Conundrum 12 was archived due to vandalism.
None of the cache stages are at the listed coordinates.
First you will need to solve a chemistry-based puzzle. The area is partly under tree cover and this will probably interfere with GPSR reception.

Part 1
This puzzle involves the element whose integer atomic weight is 12 (selected because this is PCC 12).
For that element:
  • a = its atomic number
  • b = its usual number of valencies
  • c = number of its naturally occurring isotopes
The required transmission tower (Tower A) is at S 42° 47.x' and E 147° 19.y' where x and y are both three digit integers.
  • x = b*100 + c*10 + b - c
  • y = (a + b + c)*10 - a - c
You can check your answers for this puzzle on GeoChecker.com.
Part 2
Proceed to Tower A at the specified location: it has a label "Transend 401Tgh". There is a second transmission tower (Tower B) within 100m (bearing a different set of cables) and this has a label "Transend 520Tijk". The letters g, h, i, j, k each represents a digit in the range 0-9.

The first cache in this multi-cache puzzle is located nearby. When at the cache, the centre of the base of Tower A has a bearing of m degrees and the base centre of Tower B has a bearing of n degrees where:
  • m = g*100 + h*10 + 3
  • n = i*100 + j*10 + 3
Parts 3...
This first cache contains information that leads to the second cache and so on until the final cache is found.

The Final Cache
The last cache in this sequence contains a log book and pen. There are no "swaps", instead there is information that will enable you to find the companion cache "Mossy Mystery 01" GC2V8R8 a member of the Wellington's Seldom Seen Sites series.

Additional Hints (Decrypt)

Gur svefg pnpur vf va na byq fghzc nobhg 1z uvtu.

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)


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