How much does one fresh (12") san pedro cactus weigh?

Discussion in 'Cacti Delecti' started by asilos vulnerado, Oct 22, 2006.

  1. asilos vulnerado

    asilos vulnerado Senior Member

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    How much does one fresh (12"X3") san pedro cactus cutting weigh?

    And on average what percent of the cactus is water? Ive read that it's 75% and 94%.
     
    asilos vulnerado, Oct 22, 2006
    #1
  3. C123-473

    C123-473 Member

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    I don't know, 2-3 pounds?
     
    C123-473, Oct 22, 2006
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  5. bamboo

    bamboo Hip Forums Supporter HipForums Supporter

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    Take the average specific gravity as approximately that of water (a reasonable assumption) use the old math pronlem of pi x the radius squared x the length (to get the volumn of the cylinder of cactus) gives about 85cubic inches. 85 cubic inches divided by 231 cubic inches (the volumn of a gallon) times 8.3 the weight of a gallon of water in pounds = about 3 pounds.
     
    bamboo, Oct 23, 2006
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  7. C123-473

    C123-473 Member

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    Of course, it isn't a strict cylinder.
    Also, I believe you can over/under water them which could alter density.
    And a top cut will be tapered, having less material than a 12" center cut.
     
    C123-473, Oct 23, 2006
    #4
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