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Thread: Riding Mower Coin Tumbler

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  1. #1
    Feb 2014
    Ohio and Florida
    CTX3030 w 11" and 17" Butterfly coils, Minelab Excalibur II w 10" coil Troy Shadow x2 w 7" coil Vibra-Tector 730 w 4" coil Whites (1970s)
    1074 times
    Beach and Shallow Water Hunting
    Honorable Mentions (1)

    Riding Mower Coin Tumbler

    [B]Each year I find 1,000-2,000 coins while metal detecting mostly beaches and I've been searching for a large but inexpensive way to clean my found coins via tumbler. No luck. Coin tumblers run $150 or more - a large chunk of my change. So I searched for a cheap way to build a large coin tumbler; one that could handle at least a 1,000 coins. My solution: The Riding Mower Coin Tumbler.

    Click image for larger version. 

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    Here is a picture of my Riding Mower Coin Tumbler - I have attached, by 2 - 30" pull-cords, a 2 gallon plastic container to a back wheel of my Craftsman riding lawn mower. I filled the container with about 900 coins and off I went...nothing happened. The coins simply slid along the smooth bottom of the container as the wheel turned and I couldn't go fast enough to enable the coins to tumble. To solve the problem, I placed a coil of 1/2 copper tubing tightly inside the container so that as the container turned the coins would hit the copper tubing and start to tumble, it worked. After 20 minutes of cutting the yard, I checked the coins and found them to be much cleaner and also found a large amount of fine powder in the container - coin crud residue.

    Click image for larger version. 

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    Thirty minutes is about enough time to tumble about 1,000 coins, although they still need to be washed and dried. Feel free to improvise on my invention. If you decide to replicate my findings, I should warn you - use a secure container; otherwise, you might be using your metal detector to find coins that you're already found. Also, DO NOT replicate this type of tumbler with your car or truck.
    Metal Detecting Goal in Life is to Find Wife a 2ct Diamond Ring (so she'll be quiet about all my metal detecting).

  2. #2

    Apr 2017
    279 times
    All Types Of Treasure Hunting
    Nice and clever! 2 birds ones stone i love it!

    Sent from my LG-H872 using Tapatalk

  3. #3
    Charter Member
    Mar 2013
    SW, VA - Bull Mountain
    CTX, Excal II, Fisher 1260X, Tesoro Royal Sabre, Tejon, Garrett ADSIII, Carrot, Stealth 920iX, Keene A52
    13998 times
    Digging in the dirt & scooping in the water!
    My double drum tumbler was right at $52 from Harbor Freight, but you've got one heck of an idea there
    Republic of Vietnam 10/69 - 3/71, Cambodia April 27, 1970 on a mountain top with HUGE scorpions

    "'He jests at scars who never felt a wound'" c.s.lewis - 1940

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  4. #4
    Jan 2010
    DFW Texas
    Minelab E-TRAC, Garrett ProPointer, Lesche Digger
    2325 times
    All Types Of Treasure Hunting

  5. #5
    Apr 2016
    Twin Cities
    White's M6; Tesoro Compadre; Bounty Hunter QD2
    586 times
    Metal Detecting
    I'd say this is Red Green approved, but you didn't use duct tape.
    4x4x4 likes this.

  6. #6
    Charter Member
    ZO6 Guy

    Jan 2014
    Los Angeles
    Minelab Excal II, Garrett AT Pro, CTX3030
    1164 times
    Metal Detecting
    Banner Finds (1)
    How much does a riding mower cost?

  7. #7
    Mar 2017
    Southern California, outside of San Diego
    1216 times
    All Types Of Treasure Hunting
    ...THATS Yankee ingenuity !

    ... Walks on flaming Pop tarts ...

  8. #8
    Charter Member
    Nov 2012
    XP Deus, Tesoro Cibola
    11601 times
    All Types Of Treasure Hunting
    Banner Finds (4)
    Cool. Pure genius. I don't have a mower anymore. Bought a tumbler a couple years ago.

  9. #9
    Charter Member

    Jan 2017
    Shenandoah Valley, VA
    Minelab Equinox 600, Whites MX Sport, Whites Coinmaster, Minelab Explorer XS, Kellyco Vulcan 360, Lesche Digger, Rattler headphone, Park Ranger Bag by "Freeloader"
    1024 times
    All Types Of Treasure Hunting
    Awesome, and where you don't have duct tape, bungee cords are the next best things and ideal here. If you have to mow, might as well take advantage of the wheels spinning! Top cool invention of the week!
    LawrencetheMDer likes this.

  10. #10

    Feb 2008
    Cape Coral FL
    Tiger Shark, Whites Duel Field pi
    129 times
    Thats where all the coins from the beach went. Great

  11. #11

    Jan 2017
    XP Déus & a Carrot!
    906 times
    Metal Detecting
    Pretty cool idea!

    Def MacGyver approved! If ya gotta mow the lawn might as well clean them coins.
    LawrencetheMDer and Mzjavert like this.

  12. #12
    Dec 2015
    Raymond, Ne
    Fisher F2, BH Tracker 4, XP Deus, (CTX 3030 sold due to elbow pain)
    36 times
    Metal Detecting
    Funny you've been doing this I've been using a square plastic peanut jar for the last few years attached the exact same way.

  13. #13
    Aug 2015
    Raleigh, NC
    Garrett Ace350
    20 times
    All Types Of Treasure Hunting
    Quote Originally Posted by DeepseekerADS View Post
    My double drum tumbler was right at $52 from Harbor Freight, but you've got one heck of an idea there
    You run it dry or wet? What 'stuff' ya put in with the coins?
    (Bought mine fro doing some ball milling)
    LawrencetheMDer likes this.

  14. #14
    Charter Member
    Feb 2015
    4476 times
    All Types Of Treasure Hunting
    and if you need more time mow the neighbors yards.....cool idea....
    Tell me and I'll forget. Show me, and I may not remember. Involve me, and I'll understand. - Tribe Unknown. Those that lie down with dogs, get up with fleas. - Blackfoot

  15. #15

    Jun 2010
    Wherever there be treasure!
    An older blue Excal with connector, remote, Skullie headphones, and various coils. Got rid of the rest of my machines.
    8273 times
    All Types Of Treasure Hunting
    Weed eater fail, coins flying everywhere.......just sent the girlfriend to the grocery store, two small jars full of coins and some wire ties, I'll let you know how the grocery cart experiment works out.
    "Treasure is wherever it can be found."


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