We made a bell!

[Ryan Mcdermott]

Alyson and I made a bell this weekend. For now it will probably sit
in my front yard, and encourage people to ding it when they walk by.

This fall we'll be bringing it out to Burning Man, and placing it in
deep playa (way off in the middle of nowhere) for people to stumble
upon. It will also [hopefully] ding the hours. Anybody have a
suggestion on an automatic dinging mechanism? A really beefy solenoid
maybe?

It's made of an old CO2 tank we bought at Davis Salvage. The frame is
2" square tubing that we welded together. (Some crappy welds, but I
think they'll hold)

Aly dinging the bell

https://secure.flickr.com/photos/hslphotosync/8587319636/in/photostream

Me dinging the bell

https://secure.flickr.com/photos/hslphotosync/8587317648/in/photostream

Nobody dinging the bell

https://secure.flickr.com/photos/hslphotosync/8587318460/in/photostream/

It's really loud :D

[Jasper Nance]

How about a .308 or a mosin nagant "long distance dinging mechanism"

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Jasper Nance - KE7PHI
Creative and Scientific Imagery
http://www.nebarnix.com/

[Tony Brenke]

I see you having 2 options.

#1 hang a rod in the center and pull that off center to ring.

#2 use an arm to hit from the outside.

I would use the arm. a motor attached low to the frame with an arm attached to the shaft.

set up a geared cog wheel to pull the arm back against a spring. the cog lets go and the arm hits the bell under spring force.

On Sun, Mar 24, 2013 at 1:30 PM, Ryan Mcdermott <blh...@gmail.com> wrote:

[Mike Bushroe]

Some of the ancient oriental and pacific rim peoples used a large log suspended from the same overhead bar by two chains or ropes and hanging just short of the bell. You pull the log back and up, then release and it swings parallel to the ground and strikes the bell, ringing it, then settles back to hanging just off so that it does not dampen the bell ringing.

  With the above mentioned small geared motor pulling the hammer up and out, then suddenly releasing, it would ring the bell on schedule, bit be loose enough for people wondering up to be able to pull the hammer/log back themselves and ring it any time they choose.

Mike

[Ryan Mcdermott]

Mike: that's exactly the type of setup that we were thinking. The
only drawback I can think of with this setup is not being able to
"ring" the bell many times in semi-rapid succession (like indicating
the time).

[Jasper Nance]

Just pull it back over and over again? Most chuches take some time to fully ring out the time

[Doug Shade]

I think a remote tripod mounted paint ball gun should shoot out a 0.68" metal ball bearing. The bell should be stand alone... the ringer should be remote.

 

Otherwise... contact bi...@deagan.com

Bill Pugh
Top Rung Tower Chime & Organ Service
Athens, TN

[Ryan Mcdermott]

I like your style, Doug, but why stop there? Why not build a rail gun? :-D

[Jasper Nance]

I thought you wanted rapid ringing capability? Waiting for a cap bank recharge, and reloading, and rail erosion.... not the best.

[Alan Dayley]

While a cool idea, I don't think the person standing between the bell and the gun at ringing time would appreciate the coolness.

Alan

On Mon, Mar 25, 2013 at 1:46 PM, Doug Shade <doug....@gmail.com> wrote:

--

[Ryan Mcdermott]

Jasper, obviously I'm going to make an /array/ of railguns. Like a
six shooter of railguns.

[Nate Plamondon]

https://www.youtube.com/watch?feature=player_detailpage&v=YKhLgPyymfU#t=192s
--
Nate Plamondon

[Chad Stearns]

What if you just made multiple hammers? That way one can recharge while the other swings.

I dont know. Gears? Gears should solve this problem.

-ChadCS

[Ryan Mcdermott]

Hmm, steampunk bell...

[Alisa Ex]

Steampunk everything.
From: Ryan Mcdermott
Sent: 3/25/2013 3:03 PM
To: heatsy...@googlegroups.com
Subject: Re: [HSL] We made a bell!

[Mike Bushroe]

Ok, rapid multiple rings, so you are being more demanding! ;) Putting the Gatling/Rail gun aside for the moment, you must first accept that multiple, rapid strikes means a more powerful motor, a much bigger battery (and maybe solar recharger?) and more complexity.

  Two years ago the FIRST Robotics challenge was to kick a soccer ball. We stole/used a double link, over center release eccentric. Sounds complicated, but it is really just a big disk on the geared down motor shaft, a pivot on the edge connecting to a short link connecting to a longer link connecting to the item to be pulled back and released, and a projection in the center of the disk that hits the short link, but is completely cleared by the long link. Assuming that the hammer is too the right, and that the setup starts with the disk pivot on the far right, as the disk turns (either direction, it doesn't matter) the short link goes 1 disk diameter tot he left, then would begin to return to the right accept that the other end of the short link must still be more than 1 disk radius) gets caught on the center projection, and now the link starts to rotate with the disk, pull the long link and the hammer even further to the left. Once the short link has gone over 180 degrees, it switches from pressing against the center projection trying to rotate back, to not pressing any more and rotating forward. This causes a VERY rapid release of the hammer (using the swing and gravity or a heavy spring) to the right as the two links go from doubled over each other to extending straight out again in very little time.

   With enough power in the motor, this can happen every few seconds (window crank motors work well for this, and us an internal worm driver to get the torque needed), but it will take a car battery to provide what ever motor you choose to power that much.

  Passers by should have a second, manual only hammer or log to ring the bell without encumbrance.

Mike

[Ryan Mcdermott]

Mike, all joking aside, a window crank motor is a BRILLIANT idea for
this. Those, I'm assuming, run at 12V, meaning I can just use a car
battery, for which I already have a solar charger.

That's a really, really awesome idea, and is probably what I will use.

Thanks!

[Mike Bushroe]

Your welcome! No Charge,




This time!  :P

[Tony Brenke]

fast?

  then just step up something like this.

and can be run on 12V

http://tinyurl.com/cjjbvrx

I think you'll need to limit the bell swing a bit more than the chain allows.

[Thomas Brannan]

Cool! But does it only "ding", or could you get it to "dong", if you really wanted to expend the effort?  After all, you do know the witch is dead, right?

Tom the troublemaker

On Sun, Mar 24, 2013 at 1:30 PM, Ryan Mcdermott <blh...@gmail.com> wrote:

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[Tony Brenke]

Lol,

   if you want it to "dong" then use a motor contactor as the solenoid.  Your bat life will suffer but it should be loud enough....

[Corey Renner]

What's brown and sounds like a bell?

c

[Mike Bushroe]

Actually, I WAS thinking about exactly this same thing. Well, not the Oz reference, but using window crank motors to provide both a dong from a heavy wood log/hammer, and a ding from a much thinner metal rod. The dong should still be gravity powered (yes, I will beat you to the punch, it should have a well hung dong!). And the ding should be spring powered with the rod inside a moderately stiff compression spring that the second window crank pulls the free end outwards until the crank rotates around and slips out from underneath the pull bar, allowing the spring to pull the rod back, shooting past the null point enough to hit the bell once, then settle back in at the rest position where the window crank can rotate under the pull bar and engage it for the next ring. Other than doing the hours in dongs and the 1/4 hours in dings I am not sure how to really use this, as the famous Big Ben/Westminster Abbey pattern uses 5 notes, not 2.

Mike

On Tuesday, March 26, 2013 11:27:15 AM UTC-7, Thomas Brannan wrote:

Cool! But does it only "ding", or could you get it to "dong", if you really wanted to expend the effort?  After all, you do know the witch is dead, right?

Tom the troublemaker

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http://www.GandalfsGlass.com

[Jasper Nance]

Be careful, this sounds an AWFUL lot like a big dongle joke -- you might get fired!

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[Mike Bushroe]

Yes, I realize that that last post was really  ha-   .    .   .

OOPS! Almost did it again. I guess I better be quiet and let Ryan finish his bell!

Mike

[Jasper Nance]

https://twitter.com/rrrrrrrix/status/316656584543576066

Oh crap, its already spreading life wildfire!

[Will Bradley]

WHAT HAVE YOU DONE the mailing list is over

[Ryan Rix]

I just got fired over you publicizing that tweet. Thanks Obama.

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Ryan Rix
http://rix.si

[Mike Bushroe]

My bad. I am sorry. Still having trouble with my short term impulse control.

[Zachary Giles]

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Zach Giles
zgi...@gmail.com