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  1. #1
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    A tarp made of money

    I'm awful at math, but I wanted to know how much it would weigh and cost to make an 8x10 rectangular hammock tarp made of one dollar bills. This is what I've discovered.

    According to the Bureau of Engraving and Printing, a US dollar weighs 1 gram.
    A dollar measures 2.61"x6.14". That's 16.0254 square inches.

    Tarp:
    8x10=80. 80x12=960 square inches.

    960/16.0254=59.9049something (rounding time 60 $1 bills to cover an 8x10 tarp)

    Now weight:
    60 total grams. 80 square feet/3=26.6667 square yards. 60 grams/26.6667 yards=2.24999something grams per square yard. 2.24999something grams/28.35 grams per ounce=0.079365something ounces per square yard! Talk about SUL! Unless my math is goofed. Probably a ten out of seven chance of that.

    Obviously this doesn't include the cost or weight of tie outs, taping, seam sealing, stitching and whatever else it takes to make a tarp. It also doesn't factor how much heavier the tarp will get when it rains. A dollar is made of 75% cotton and 25% linen, so there's that too. Might need a coat of polyurethane, which it probably needs for tear resistance too. On the plus side, the many stitches and patchwork nature of such a tarp could offer a sort of ripstop-gridlike effect.

  2. #2
    ObdewlaX's Avatar
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    Hmmm... time to ponder.

    Good luck!

  3. #3
    cougarmeat's Avatar
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    And here I thought this was going to be a tread about CF/Dyneema.
    In order to see what few have seen, you must go where few have gone. And DO what few have done.

  4. #4
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    Quote Originally Posted by bearito View Post
    Tarp:
    8x10=80. 80x12=960 square inches.
    You'll need a lot more than $60
    8*10 = 96"*120" = 11520 sq inches

  5. #5
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    Quote Originally Posted by Singlespeed View Post
    You'll need a lot more than $60
    8*10 = 96"*120" = 11520 sq inches
    Ah, that's what I did wrong. I had a feeling $60 was a bit low. I need to brush up on my order of operations. So that'd be 719 $1 bills. That kind of seems a bit high to me but the math makes sense. That brings it up to 0.9508something ounces/square yard. Which basically kills my idea. I looked it up for a lark and thought I was onto something The search for new sources of ultralight material continues.

  6. #6
    Senior Member OneClick's Avatar
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    Quote Originally Posted by cougarmeat View Post
    And here I thought this was going to be a tread about CF/Dyneema.
    LOL exactly!

    Old circulated money: easier to pack, quiet
    Crisp bills: better water resistance

  7. #7
    Senior Member
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    Yeah, A sq ft isn’t 12 sq inches, it is 144.

  8. #8
    Senior Member Need2noCallahan's Avatar
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    What I if you used Monopoly money? I seem to have more of that laying around.


    Sent from my iPhone using Tapatalk

  9. #9
    Phantom Grappler's Avatar
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    Holy green backs Batman

    Instead of cutting corners
    Use hundred dollar bills
    As a real cost cutter
    Use money from a country undergoing astronomical inflation

    On a more serious note, maybe Hammock Gear would sell a cull-second-blemished tarp at a
    wonderfully low price. They do really great work. Possibly sometimes there are bloopers that cannot
    be sold to their customer who ordered a specific tarp.

    Also maybe Dutch can transfer your photo image of dollar bills onto your
    very own custom tarp.

  10. #10
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    Quote Originally Posted by Phantom Grappler View Post
    ... As a real cost cutter
    Use money from a country undergoing astronomical inflation ...
    You could exchange each of your U.S. Dollars for a Romanian Leu. The 1 Leu banknote is smaller than a Dollar bill (about 4.72"x 2.44") so you wouldn't get as much coverage per banknote (only about 11.5 sq inches). Therefore you would need almost 1000 of the 1 Leu banknotes to make the 8x10' tarp (999 actually). However, it would cost you a lot less. Based on the current exchange rate, 1 US dollar will net you 4.41 of those Romanian Leus so you would only pay about $227 for the tarp instead of $719. As an added bonus, the 1 Leu banknote has been made of polymer since 2005, so the Leu tarp is completely waterproof and should hold up much better than the Dollar tarp! Unfortunately, your Leu tarp would still have a greenish hue with hundreds of pictures of an old balding guy all over it just like your Dollar tarp, so you can't have everything I guess.

    (This is FUN!)
    ~ All I want is affordable, simple, ultralight luxury. That’s not asking too much is it?

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