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Author Topic: Whole lot of shaking going on?...  (Read 1354 times)

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darthbane2k

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Whole lot of shaking going on?...
« on: October 14, 2005, 05:38:45 am »
After unveiling my recently completed cab to my friends last night, they opted for a game of Streetfighter Alpha. The game got rather frantic, with both hammering on the buttons and shaking the sticks to perform Dragon Punches etc.. As they were doing this I noticed the cabinet shook from side to side slightly. This worried me a bit as I had the castor breaks on. Anyone think this is cause for any concern or have any suggestions as to how I can rectify it.

Franco

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Re: Whole lot of shaking going on?...
« Reply #1 on: October 14, 2005, 05:45:14 am »
It could be a few things, the ridgidity (<?) of the cabinet, the surafce which the cab is on or possibly how far the castors are apart. The further apart the castors are, the more stable the cab will be.

Any one else for some suggestions?

cdbrown

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Re: Whole lot of shaking going on?...
« Reply #2 on: October 14, 2005, 05:46:37 am »
whats the gap between the sides and back from the floor? Could you get some strips of wood and put it under each side - this would mean the sides of the cab are holding the weight instead of the castors

Ed_McCarron

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Re: Whole lot of shaking going on?...
« Reply #3 on: October 14, 2005, 10:11:30 am »
I'd think you need to determine if the shaking was occurring in the casters or if the body of the cab was shaking itself.

There was a thread around here on bracing, somewhere.  I think the final consensus was just to fill it with concrete or something equally unviable.

Here:  http://forum.arcadecontrols.com/index.php?topic=40695.0
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darthbane2k

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Re: Whole lot of shaking going on?...
« Reply #4 on: October 14, 2005, 10:33:43 am »
You know what, I think im going to leave it. I cant be arsed to add braces, its not as if the cab shakes everytime, its just when these maniac friends play streetfighter.
Could always add some cinder blocks inside I guess....


Mark70

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Re: Whole lot of shaking going on?...
« Reply #5 on: October 14, 2005, 12:18:45 pm »
Do you have an internal frame?  Or have you just glued and screwed the edges of mdf panels?

You should be concernced about the cab if it racking instead of rocking.  If it's racking, it's likely to come apart at the joints one time.  It's only going to do it for so long before it fails structurally.  Racking would be like if you took a square, pushed sideways on the top, the bottom stays in palce, and the top slides over until you have a parallelogram.

If it's tipping on the castors, you should probably be worried about it falling over.

bracing the cab might be as simple as screwing a couple of metal straps inside diagonally.  I've used these metal straps or cables to brace docks as such things before.  It's quick and easy even if it's not the best solution.
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SUB ZERO

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Re: Whole lot of shaking going on?...
« Reply #6 on: October 14, 2005, 02:47:37 pm »
lmao .... he goes to get more cola only to hear a loud thud and return to find his arcade cabinet in pieces on the floor and his friends blaming one another for its unfortunate mishap.

That would make one heck of a BYOAC blooper  ;D

btw .... maybe the floor isn't exactly level  ;)

Mr. Bubblehead

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Re: Whole lot of shaking going on?...
« Reply #7 on: October 15, 2005, 08:22:31 am »
btw .... maybe the floor isn't exactly level  ;)
That's what I was thinking.  If either the floor, casters, or a combination of both isn't perfectly level the cabinet will have a tendancy to rock, similar to that crappy table at your local dine-n-dash (you know the one, you always have to shove a handfull of napkins under one of the legs).

Also if they are all swivel casters it will have some movement.  I always put two rigid casters on the front of my cabs, and the swivels on the back, that seems to help.

pmc

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Re: Whole lot of shaking going on?...
« Reply #8 on: October 15, 2005, 09:56:41 am »
If you think it's cabinet construction related, I'd be interested in seeing pics of the cab and how it's constructed. I'd be interested to see because mine rocks too and I think it's because I used 1.5" cleats instead of full 1x3 or 2x4 framing. As with you, mine's fine except when friends play fighters. I figure I'll brace at some point.

-pmc