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Crank Organs

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Project by Don Johnson posted 1411 days ago 3940 views 9 times favorited 21 comments Add to Favorites Watch

Back in 2003 I discovered John Smith’s Busker Organ plans on the ‘net, and thought that it would be an interesting item to make. It was certainly not a ‘fine woodworking’ project, as there is little that is critical in the construction, which uses plywood for the case, and balsa wood for the pipes. Music is stored as holes in a roll of paper, which allow air pumped by bellows to pass to each of the twenty pipes – which are just the same as church organ pipes, only smaller. It was fun to make, and I later discovered that that I had joined a community of world-wide makers of John’s little organ. You can hear it playing here

I became good friends with John, and after I retired, he persuaded me to make a version of his latest design, ‘Topsy’, which has 78 pipes, and uses the MIDI system to operate solenoids to control the flow of air from a windchest to individual pipes. Topsy is shown in the second picture. Some other constructors use card readers to store their MIDI files, but mine are held on an old Palm Vx – so the music takes up a miniscule amount of room compared with paper rolls. The third shot shows Topsy being used for a charity collection by the ladies from Inner Wheel – my wife, Avril, being in the middle.

A monkey is an essential part of performing with a street busker organ, and Avril gave me a toy version for this purpose. It just sat there however, so I eviscerated one of those singing reindeer toys, and put the mechanism inside the monkey skin, so it now waves to the audience as I play. ( I did disconnect the internal speaker that played ‘Santa Claus is Coming to Town’).

Before I finished the case, my grandchildren kept asking me how I was getting on, so I posted a video of me playing ‘China Boogie’ by Peter Griffiths (view it here), which explains the strange antics as I turn the handle. This was before I made the case, so some of the innards can be seen. I constructed a four-wheeled cart for the organ, and later, I added a detachable motor to operate the organ instead of the crank, but someone actually turning a handle makes a greater impression when performing in public.

Picture 4 shows the basic construction, with the crank operated bellows and reservoir, driven by the renovated wheel from an old mangle. Picture 5 shows the two sets of 22 melody pipes (each pair being tuned slightly ‘off’ each other to produce a ‘celeste’ sound). Picture 6 shows the solenoid – or pallet valves – inside the main winchest.

-- Don, Somerset UK, http://www.donjohnson24.co.uk





21 comments so far

View Toolz's profile

Toolz

1003 posts in 2376 days


#1 posted 1411 days ago

Don, what a fantastic gem you made! I really enjoyed listening.

-- Larry "Work like a Captain but Play like a Pirate!"

View Broglea's profile

Broglea

665 posts in 1724 days


#2 posted 1411 days ago

That’s what I hate about this website. Too many great projects and I don’t have enough time to build them all.

This is way past being cool. I love the sound. Thank you for sharing this masterpiece with us.

Welcome to LJ!

View Chip's profile

Chip

1904 posts in 2726 days


#3 posted 1411 days ago

Outstanding piece of work Don! Just when you think you’ve seen it all on LJ’s along comes something like this. And what a beautiful sound it makes. Great job on a very unique instrument and thanks for posting it… and welcome to LJ’s.

-- Better to say nothing and be thought the fool... then to speak and erase all doubt!

View Brit's profile

Brit

5127 posts in 1476 days


#4 posted 1411 days ago

I’m not sure John will thank you for talking about his little organ :-)

Seriously though, you’ve done a fabulous job Don. A great project, well executed, and being put to good use to raise money for charity. I’m going to add this one to my favourites. Thanks for sharing it.

-- Andy -- Old Chinese proverb say: If you think something can't be done, don't interrupt man who is doing it.

View Cozmo35's profile

Cozmo35

2198 posts in 1669 days


#5 posted 1411 days ago

Great job! Outstanding craftmanship!

-- If you don't work, you don't eat!.....Garland, TX

View CharlieM1958's profile

CharlieM1958

15691 posts in 2852 days


#6 posted 1411 days ago

Fantastic device! Your cranking technique is top-notch as well. :-)

-- Charlie M. "Woodworking - patience = firewood"

View Mary Anne's profile

Mary Anne

1057 posts in 1842 days


#7 posted 1411 days ago

This is absolutely WONDERFUL! I don’t know what would be the most fun, building it or playing it.
Could you give us an idea how many hours goes into building them?

View helluvawreck's profile

helluvawreck

15623 posts in 1500 days


#8 posted 1411 days ago

This is really an interesting project and you did a great job on it.

-- If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away. Henry David Thoreau

View DYNO360's profile

DYNO360

147 posts in 1499 days


#9 posted 1411 days ago

Bravo! A great project

View a1Jim's profile

a1Jim

112016 posts in 2210 days


#10 posted 1411 days ago

A most amazing project unique and wonderful build.

-- http://artisticwoodstudio.com Custom furniture

View kapanen's profile

kapanen

105 posts in 1415 days


#11 posted 1411 days ago

That is just way too cool. Awesome. Love it.

-- "Art washes away from the soul the dust of everyday life"....Pablo Picasso

View TheGravedigger's profile

TheGravedigger

963 posts in 2657 days


#12 posted 1411 days ago

A busker organ run by MIDI files – who’d have imagined it? Wonderful!

-- Robert - Visit my woodworking blog: http://littlegoodpieces.wordpress.com

View mcoyfrog's profile

mcoyfrog

3057 posts in 2228 days


#13 posted 1411 days ago

WOW thats cool

-- Wood and Glass they kick (well you know) Have a great day - Dug

View SPalm's profile

SPalm

4791 posts in 2515 days


#14 posted 1411 days ago

That’s cool. I wanna retire.

Steve

-- -- I'm no rocket surgeon

View MsDebbieP's profile

MsDebbieP

18615 posts in 2794 days


#15 posted 1410 days ago

that is wonderful and amazing how you fixed up the monkey as well!

-- ~ Debbie, Canada (https://www.facebook.com/DebbiePribeleENJOConsultant)

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