Marching Machine- Percussion Instrument

 by coloradofshr
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Being one of the band fix-it guys (not technically a position, but if it gets broke, somehow it finds it way to me), I was asked to make a marching machine (also called Troop Blocks) for one of the pieces of music we were playing. The piece is Godzilla Eats Las Vegas, and is a fantastic arrangement. I found plans to build a marching machine similar to mine here, and elaborated on them to improve them to fit what I needed. Mine is a little larger, and has bolts for adjusting the tension of the strings. This is my first Instructable, so let me know if there is anything I can do to make it better. Enjoy!

 
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Step 1: Materials

Parts needed (To build a 14" X18" Marching Machine):

Paracord 
Wood Screws
Glue (optional, but it makes the frame stronger)*
(2x) 1/4-20x1 1/2" carriage bolts (for tightening the paracord, it works well, but isn't necessary.)*
(2x) 1/4-20 lock nuts (aviation nuts)*
(2x) 1 1/4" fender washers*
Clear Lacquer (optional)*

*Not Pictured

Wood For the Frame:
(2x) 1x2x16 1/2"
(2x) 1x2x14"

Wood for the blocks:
(30x) 2x2x4" (making a few extras saves time later)

Everything I used in this Instructable I had in my garage, making it cheap to build. I decided on a 14" X18" frame, and cut the pieces out of a 1X4. The "Troops" were cut out of a few ripped 2x4's, and I made them 4" tall. I selected the blocks with the best wood, meaning few knots or defects, just to make the final product more visually appealing. Making a few extra blocks saves time later if you mess up with drilling the holes, that way you don't have to pull the saw out again.  I used paracord after reading other places about people having issues with the strings breaking. The wood screws are to hold the frame together. Later in the process, I decided on using some carriage bolts and lock washers to tension the cord, so they are not pictured here.

Tools Needed:
Drill
Clamps
Drill Press (optional, but it makes all the holes alot easier)
Router Table (for finishing)
Sander

JuCo says: Feb 21, 2013. 4:33 AM
this is way easier than trying to get 50 volunteers. thanks.
ToniRose says: May 25, 2012. 7:34 PM
Love this. Although I thought it was something to play in a marching band so was very confused. Although that could be cool in a street band, one guy breaking formation to go "march" on trash cans, parked cars, etc.
St Jimmy says: May 21, 2012. 11:44 PM
Awesome! My band is doing an instrumental about WW2, this should be useful!
rimar2000 says: May 21, 2012. 6:24 PM
Very nice!
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