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PostPosted: Tue Sep 05, 2017 2:23 pm 
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Joined: Fri Feb 03, 2017 2:12 pm
Posts: 4
Hello to all!

I am finishing up a build on 4-Dual Loaded Tuba-60's and can't get over the caster option. I have enough engineer in me to worry about casters tearing out from panel 13, even if doubled up, and using the correct hardware. These are built for someone else who will use them outdoors and indoors. I "hope" they will be moved with dolly's 99% of the time but I want them to have the option of moving them on their own. My question is has anyone thought of any safeguards in using casters OR has anyone used an long axle through the bottom corner with external 6" wheels, similar to a dolly, air compressor. etc... I get crazy thinking about a 1/16 or some thin sheet steel say 6"x6"mounted on the lower corners and using the VERTICAL sheer strength of multiple screws, and the hole through the the steel into the wood...I could go on..BUT i have never moved a loaded tuba 60 to know what kind of stresses is placed on the wheels/mounting. Let me know what you guys think. Cost wise it is a wash, just a little more effort on putting it together.

Any success's or failures would be great to hear!

Also, I CANNOT wait to hear them! I am planning on following up with a build thread with some things I learned along the way!

Thanks!

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PostPosted: Tue Sep 05, 2017 2:47 pm 
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Joined: Wed Mar 25, 2009 7:07 pm
Posts: 1275
Location: Medicine Hat, Alberta, Canada
I used baltic birch for my dual t60 build and panel 13 is solid.
I just cut out the corners for the casters:
Image
The casters go in like so:
Image
They are mounted with carriage bolts, locking washers and then nuts. you can see the carriage bolts here:
Image

They get moved once a week, people dance on them, etc. Never any problems.

_________________
Built:
17" width 10" driver Autotuba
2 x 29" width dual Lab12 Tuba60
6 x DR250 2510/asd1001
In progress:
2 x DR250 2510/asd1001
For best results, point the loud end of the array towards the audience


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PostPosted: Tue Sep 05, 2017 3:12 pm 
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Joined: Fri Nov 27, 2009 11:37 am
Posts: 6028
Location: New Braunfels, TX
I used some backing material on my T39s to give plenty of holding power with lag screws.

I used standard casters with a 4 hole mount.


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6 - T39 4-25" 2-22" 3012LF
4 - OT12 2512 Melded/NSD2005
1 - T24
2 - XF210


"A system with a few knobs set up by someone who knows what they are doing is always better than one with a lot of knobs set up by someone who doesn't."


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PostPosted: Tue Sep 05, 2017 6:33 pm 
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Joined: Wed Jul 30, 2008 10:18 am
Posts: 565
Location: Kankakee, IL
I, too, was concerned about the focused impact on the small panel 13, so I doubled it up with the biggest possible piece of 1/2" BB ply that would fit in there.

You could also add a third or fourth caster to the bottom.

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2 DR250s, 2 27" Lab15 T-60s, 2 30" Neo Titan 39s, 1 Autotuba...and looking for more!


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PostPosted: Wed Sep 06, 2017 12:11 am 
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Joined: Tue Oct 04, 2016 3:51 pm
Posts: 112
I have had to replace many wheels and ended up replacing all with a heavier duty wheel. Some have ripped out of the holes some wheels break some of the metal wheel casters bent. I went with the thickest metal and best sturdiest wheel I could find and they may be a tad bigger than recommended. And so far so good.

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5x DR280 - melded 22 piezo array
2x Crest Audio 5.0
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PostPosted: Wed Sep 06, 2017 8:08 pm 
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Joined: Fri Dec 28, 2012 10:45 am
Posts: 479
Location: St. Louis
CoronaOperator wrote:
I used baltic birch for my dual t60 build and panel 13 is solid.
I just cut out the corners for the casters:
Image
The casters go in like so:
Image
They are mounted with carriage bolts, locking washers and then nuts. you can see the carriage bolts here:
Image

They get moved once a week, people dance on them, etc. Never any problems.


Duuuuddddeee! I plan on making a cutting grid table board thingy like what you got your t60 on. How do you like it? Does it make cutting panels arranged on cutlist easier?

_________________
BFM builds:
XF212
T24 BP102 24"
2x SLA's 6-5" mids, 9-gt-302's
2x AT 14" (gutted)
TrT 5" MCM 55-2421
AT 18" JBL GTO804 "Bone Shaker"
OT12 flat array (93.6% complete)


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PostPosted: Wed Sep 06, 2017 8:30 pm 
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Joined: Wed Mar 25, 2009 7:07 pm
Posts: 1275
Location: Medicine Hat, Alberta, Canada
jimbo7 wrote:
CoronaOperator wrote:
Image


Duuuuddddeee! I plan on making a cutting grid table board thingy like what you got your t60 on. How do you like it? Does it make cutting panels arranged on cutlist easier?


Yes it makes it much easier - the part doesn't need to hang off the end of the table while you cut and doesn't fall to the floor 1" before you are done your cut and tear the piece.

Instructions on page 1 : http://billfitzmaurice.info/forum/viewtopic.php?t=22720

The slots don't have to be measured accurately, as long as you clamp/screw all 5 pieces together so they are in the same place on all 5 pieces you are golden.

I place a sheet of 5x5 baltic birch on top when I'm not cutting to make a work surface, works great.

_________________
Built:
17" width 10" driver Autotuba
2 x 29" width dual Lab12 Tuba60
6 x DR250 2510/asd1001
In progress:
2 x DR250 2510/asd1001
For best results, point the loud end of the array towards the audience


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PostPosted: Thu Sep 07, 2017 1:58 pm 
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Joined: Fri Feb 03, 2017 2:12 pm
Posts: 4
Thanks for the replies! That was exactly what I was after!


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