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#1961810 - 06/23/08 12:06 PM Pilled up racks...
dalpozlead
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I’m close to finishing my new rack system and I was wondering how many modules can be pilled up in a rack case? With the old Roland Super JV or JD racks, each one is +- 11 lb so the one in the bottom would be under a lot of pressure….
BTW…I’m making my own rack case.

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#1961817 - 06/23/08 12:24 PM Re: Pilled up racks... [Re: dalpozlead]
Sven Golly
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"Piled up"? Rack mounting uses screws for a reason...

Racked devices should not be exerting any significant pressure on the unit(s) beneath; there should be a small clearance between units (as seem from the back), for air circulation if nothing else.

If your rack system isn't using rails & screws (and nylon washers, to prevent rack rash), I'd seriously rethink what you're doing...

Just my 1/50th of a buck. \:\)
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#1961826 - 06/23/08 12:43 PM Re: Pilled up racks... [Re: dalpozlead]
dalpozlead
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Yeap, I thought that something was wrong...:-)

But the fact that all my modules will be hanging just by the side part with screws is weird….I think my project will start with some drawer ideas.

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#1961829 - 06/23/08 12:45 PM Re: Pilled up racks... [Re: Sven Golly]
Mr. Nightime
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What he said, plus if you can put the heaviest module on the bottom. That'll keep the center of gravity lower, making it more stable.
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#1961839 - 06/23/08 01:03 PM Re: Pilled up racks... [Re: Mr. Nightime]
ITGITC?
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 Originally Posted By: Mr. Nightime
What he said, plus if you can put the heaviest module on the bottom. That'll keep the center of gravity lower, making it more stable.


Thanks for the tip, Ronnie.

I've always been just a wee-bit unstable. I think that's 'cause I was a child of the Seventies.

No matter.

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#1961856 - 06/23/08 01:38 PM Re: Pilled up racks... [Re: dalpozlead]
Sven Golly
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 Originally Posted By: dalpozlead
Yeap, I thought that something was wrong...:-)

But the fact that all my modules will be hanging just by the side part with screws is weird….I think my project will start with some drawer ideas.


So let me get this straight... you're questioning the industry-standard practice of mounting rack gear using rack ears & rails?

Okay, I'm out... time for a beer. GAS, you with me?
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#1961860 - 06/23/08 01:50 PM Re: Pilled up racks... [Re: Sven Golly]
Karl Sutton
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if it's really heavy they put really strong ears on them - they'll be fine hanging "by the side part"
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#1961862 - 06/23/08 01:54 PM Re: Pilled up racks... [Re: Sven Golly]
ITGITC?
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 Originally Posted By: Sven Golly
Okay, I'm out... time for a beer. GAS, you with me?


Oh yeah. But only if we can talk that BFE (Bovine Fecal Engineer)talk that you love sooooo much.
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#1961888 - 06/23/08 02:42 PM Re: Pilled up racks... [Re: ITGITC?]
KenElevenShadows
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For really small things such as FMR RNPs or RNCs, I might use industrial-strength Velcro and attach 'em to a rack tray. For everything else, they get bolted on, heavy stuff on the bottom, as others have said. If something gets really hot or has obvious vents, leave a little space. People rackmount stuff that weighs 40-50 pounds sometimes, so obviously rackmounting stuff is not an issue with something that's as little as the stuff you're trying to rack.
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#1961937 - 06/23/08 04:30 PM Re: Pilled up racks... [Re: KenElevenShadows]
dalpozlead
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Ok I’m convinced... I know it sound immature but I thought the ear hanging wasn’t the best way to set racks.
Thank you all.

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#1961977 - 06/23/08 05:51 PM Re: Pilled up racks... [Re: dalpozlead]
ivorycj
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 Originally Posted By: dalpozlead
Ok I’m convinced... I know it sound immature but I thought the ear hanging wasn’t the best way to set racks.
Thank you all.


[sarcasm]Whew...saved by Sven.Logic! This vs. having them randomly slide around inside on drawers...secured by...rack ears with screws... (commonly called 'side parts')[/sarcasm]

Enjoy your project! \:D
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#1963395 - 06/26/08 09:27 PM Re: Pilled up racks... [Re: dalpozlead]
Byrdman
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 Originally Posted By: dalpozlead
Ok I’m convinced... I know it sound immature but I thought the ear hanging wasn’t the best way to set racks.
Thank you all.


On the really heavy - throw it in the back of a Herc and go - stuff, they also put in side rails to support the units. Or so I have been told.
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#1963529 - 06/27/08 07:09 AM Re: Pilled up racks... [Re: dalpozlead]
MusicWorkz
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 Originally Posted By: dalpozlead
Ok I’m convinced... I know it sound immature but I thought the ear hanging wasn’t the best way to set racks.
Thank you all.


Ummm, I guess you'd say the same thing about handles, buttons, latches and what not.

Those ears are MADE for just that-mounting them in a rac kof your choosing, or in your casr, building. Buy quality parts from company's like Raxxess, mount them as recommended and you'll be fine.
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#1963540 - 06/27/08 07:29 AM Re: Pilled up racks... [Re: MusicWorkz]
Kayvon
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Hey dalpozlead, don't feel so bad, when I first went into a studio and saw rack units I assumed they were also fixed at the back. I couldn't quite get it into my head that these really heavy rack modules were hanging just from the front rack ears.

Now I carry round a Fantom XR in a rack case which sees a healthy amount of pressure get put on those ears and its not bent yet. I do check the screws are still tight every now and then though...

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#1963546 - 06/27/08 07:48 AM Re: Pilled up racks... [Re: Kayvon]
RABid
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I put the deepest units on the bottom and work my way up to shallow units on the top. That makes it easier to connect cables. Nothing worse than trying to shove a MIDI cable into the back of a rack unit that is placed between two deep units.

There was a thread started about a year ago on tips for rack mounting with some good suggestions. Another one of my tips is to lay the rack unit on it's back when loading or unloading units. That helps reduce scratches caused by sliding units in and out.
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#1963556 - 06/27/08 08:05 AM Re: Pilled up racks... [Re: RABid]
Mr. Nightime
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 Originally Posted By: RABid
I put the deepest units on the bottom and work my way up to shallow units on the top. That makes it easier to connect cables. Nothing worse than trying to shove a MIDI cable into the back of a rack unit that is placed between two deep units.

There was a thread started about a year ago on tips for rack mounting with some good suggestions. Another one of my tips is to lay the rack unit on it's back when loading or unloading units. That helps reduce scratches caused by sliding units in and out.


Good tips, all. Any time I change the components in my rack, I'll do exactly that, lay it on its back. Much easier to get the screws started when gravity helps keep the component level to the rack rails.
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#1963568 - 06/27/08 08:26 AM Re: Pilled up racks... [Re: Mr. Nightime]
Sven Golly
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Don't forget to use nylon cup washers with your screws to protect your gear and virtually eliminate rack rash on the rack ears of your gear:



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