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Thread: my two cents

  1. #11
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    Oct 2006
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    Kingsport
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    Default

    PS: use a pre-'83 penny when doing scratch-tests on minerals for hardness....

    FWIW....
    -L

    '72 SIII SW 88"
    '60 SII 88" RHD

  2. #12
    Join Date
    Nov 2006
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    Niagara Falls, Canada
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    44

    Default Copper

    I know someone who has been burning copper wire for years (30+ or so) but man does it smell bad... the smell is not worth the money for the copper

    As for the mineral testing, I finally broke down and bought a pick set for that... if you are stuck in a pinch and only have new pennies, you can always scrape the mineral across the new penny and should get a good idea of the hardness (compared to copper) if it can scrape the copper off the out side of the penny or not.

    One of us is going to have to post Mohs hardness scale inn the "Off topic catagaory" LOL

    Rod

  3. #13
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    Oct 2006
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    Kingsport
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    Quote Originally Posted by Rod Turnbull
    One of us is going to have to post Mohs hardness scale inn the "Off topic catagaory" LOL
    Rule of thumb if you don't have a test-set: thumbnail is 2 1/2, a pre-83 penny is 3 1/2, a piece of glass or a knife blade, 5 1/2... just approximates, can vary by the steel in the blade, (I mean, it's not like it's an *absolute* scale, it's just ranking things by which scratches what....).

    Hydrated magnesium silicate, hydrated calcium sulfate, calcium carbonate, calcium fluoride, calcium phosphate, potasium aluminum silicate, root of the silicates (or since it isn't based on an O4, is it better classed as an oxide, silicon dioxide?), aluminum silicate w/ fluorine, aluminium oxide, and carbon.


    heh heh......
    -L

    '72 SIII SW 88"
    '60 SII 88" RHD

  4. #14
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    Oct 2006
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    Kingsport
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    Default

    Ok, to make another post, but to get back closer to topic (lol....).....


    I love maps. Always have. I love using a compass. But I can get around w/o either, actually.... kills the wife, but I can just jump in a vehicle and go, and end up wherever I need to be, no map needed.

    But awhile back, the Army had done a study, and the end result that they concluded was, that no matter what method or how many different methods are used, about a quarter of the population will not be able to read a map.

    When GPS units came out (before mapping versions), the problem was it just gave you your coordinates. Even people that could handle a road map, couldn't figure out where they were even with a GPS.

    With the advent of mapping GPS units, though, it's like having someone stick their finger on the map for you to tell you "you are here". While this isn't that big a deal for me, I *really* see it as a boon for those who aren't as comfortable with a map by itself.

    Should someone who is adventuring in the backcountry do without backup to a GPS? Absolutely not... those basic skills for mapreading are important to have to really understand what a GPS is doing for you.

    I'm not talking about those urban units like the Nuvi... those are cool, give someone turn-by-turn directions; for those who are map-challenged, let's toss the map and just get it to tell you when to turn.... that works for them.

    But for those who are using a mapping GPS with topo content on it, you still have to be able to make sense of it.... realize that all those contour lines converging together into one line means it's too steep to drive down, etc. etc...

    FWIW.....
    -L

    '72 SIII SW 88"
    '60 SII 88" RHD

  5. #15
    Join Date
    Nov 2006
    Location
    Niagara Falls, Canada
    Posts
    44

    Default Back up maps

    While we are on the topic of backup maps for those who can read one... (lets assume most of us in this forum) ...the tourist info booths have these great little maps that have an area 'marked out', to get you to most of the things you want to see while your on vacation... DON'T USE THESE MAPS AS BACK UP, get a real map that has a scale on it and has some basis in reality... most tourist maps are drawn to fit on the page, or look good, not all the street are listed due to limited space, the list of problems goes on.

    -- so we are looking on the tourist map, last set of batteries are almost dead so the GPS is being used sparingly... "looks like next road on the left..." so we take it, it turns into a gravel road, then a dirt road (as we past the last house, a guy looks at us like 'where the h3ll are they going'), the dirt road turns into a path (the wife stops and gets out, 'your driving, this road is just too bad') -- at this point I'm sure we are not where we are suppose to be, but then things are just starting to get fun -- so the dirt path degrades, someone has obviously fell some trees into the ravine to get from one side to the other, on the far side the degraded dirt path turns into a grassy path with almost enough room to make it between the trees... soooo, we are driving through the woods, no path at all, up the hills down the hills, the sun goes down... and it's time to stop for a pee break, wife refused to get out because there are bears out there, bears who want to eat her while she tries to pee in the bush... I'll just let you all figure out why it's good to have a real map... LOL

    Ya gotta love rockhounding in Bancroft.

    Rod

  6. #16
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    Bancroft? Supposedly some funky stuff around there, what with the uranium.... makes for some unique specimens...
    -L

    '72 SIII SW 88"
    '60 SII 88" RHD

  7. #17
    Join Date
    Nov 2006
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    Niagara Falls, Canada
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    Default Bancroft

    1,600 species of minerals have been identified in the Bancroft Region... it is the "Mineral Capital of Canada" and host to the Rockhound Gemboree near the beginning August... a great place to collect.

    Rod

  8. #18
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
    Posts
    11

    Default Stereo Replacement

    Very Interesting, I must say.

    I have a 97 Disco I. The original head unit has bit the dust.

    I just want a decent sound system to enjoy without spending big bucks.

    Anyone got any reccomendations?

    For the price stereo shops want, I could get a laptop, but I think that is overboard.

    Anybody got any good ideas on getting a high end system from a salvage yard, that would be easily installed in the Disco?

    Hell the system in my wife's ford Explorer sounds pretty damn good.
    Danny Lee

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