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mfinn
07/29/2017, 05:31 PM
I use the RMS mount system on my 6' tank. I use 4 XR30's.
The long rail sags in the middle about a 1", from the weight and it bothers me.
It's the first thing I notice when I walk in the room. Recently a friend was over and mentioned he noticed it too.
I'm wondering if others have the same issue and what if any fixes you came up with.

azsoccerpop
07/29/2017, 08:29 PM
I use the RMS mount system on my 6' tank. I use 4 XR30's.

The long rail sags in the middle about a 1", from the weight and it bothers me.

It's the first thing I notice when I walk in the room. Recently a friend was over and mentioned he noticed it too.

I'm wondering if others have the same issue and what if any fixes you came up with.




I used extruded aluminum from bosch-rexroth. It is T slotted so I can slide the radions anywhere left or right it is finished and will not bend


Sent from my iPhone using Tapatalk

mfinn
07/29/2017, 08:48 PM
I used extruded aluminum from bosch-rexroth. It is T slotted so I can slide the radions anywhere left or right it is finished and will not bend


Sent from my iPhone using Tapatalk

Pics?

azsoccerpop
07/30/2017, 04:59 AM
Pics?



https://uploads.tapatalk-cdn.com/20170730/edf9517977e141a595f9d5e4ee3dd76e.jpg

https://uploads.tapatalk-cdn.com/20170730/a85c74706656fe290e39af24e6e42bf4.jpg


Sent from my iPhone using Tapatalk

mfinn
07/30/2017, 07:32 AM
I used extruded aluminum from bosch-rexroth. It is T slotted so I can slide the radions anywhere left or right it is finished and will not bend


Sent from my iPhone using Tapatalk


Ok, but it doesn't answer the question I asked.

I know of about a dozen different ways to hang lights.
I asked if anyone had a solution to the issue I had with the RMS system.

SFish
07/31/2017, 05:32 AM
Wonder if this is a common problem with those mounts. I know I've seen this problem posted before. I take it you tried a search already.

mfinn
07/31/2017, 08:23 AM
Wonder if this is a common problem with those mounts. I know I've seen this problem posted before. I take it you tried a search already.

I saw a picture of a guys tank that did show what I thought looked like the long rail sagged and asked him about it. He said it was more in the picture than real life.
I really haven't seen anyone mention it was a problem.

Vinny Kreyling
07/31/2017, 08:32 AM
Off the top of my head, perhaps a "slight bend" in the opposite direction may help.

mfinn
07/31/2017, 08:50 AM
Off the top of my head, perhaps a "slight bend" in the opposite direction may help.

I was going to try and find a metal brake to put a slight kink in the center, but figured there are too many things that could go wrong.
Plus since I retired, I don't have access to equipment like that anymore.

I ended up buying a 6' piece of 3/4" x 3/4" angle iron. Painting it and screwing it to the center of the long rail.
Seems to have done the job.

Vinny Kreyling
07/31/2017, 09:20 AM
As long as it makes your day---

reefer roman
07/31/2017, 12:01 PM
them rails are for aqua illuminations lights. The RMS. mounts are black and it is one single bar and the lights are put on a slide bar mount. here is a link.
http://ecotechmarine.com/products/radion-mounting-system/multi-light-rms

sorry I guess i am commenting on the pics that were posted by another member.

Breakthecycle2
08/03/2017, 10:27 AM
My long mount on my 6 foot tank does the same thing and I hate it.

mfinn
08/03/2017, 03:11 PM
My long mount on my 6 foot tank does the same thing and I hate it.

Yeah it's been bugging me for a long time.
Finally I tried using the 3/4" x 3/4 angle.
Looking at it from the front of the tank I really don't notice much is different.
It's not perfectly straight now, but it looks a heck of a lot better than it did.

http://imagizer.imageshack.us/v2/800x600q90/923/EoQXar.jpg (https://imageshack.com/i/pnEoQXarj)

scubadan206
08/21/2017, 10:31 PM
http://i288.photobucket.com/albums/ll187/Scubadan206/20161128_144617_zpsalmp9qw3.jpg (http://s288.photobucket.com/user/Scubadan206/media/20161128_144617_zpsalmp9qw3.jpg.html)
Make it work for you. :debi:

Gary Majchrzak
12/27/2017, 11:40 AM
I use the RMS mount system on my 6' tank. I use 4 XR30's.
The long rail sags in the middle about a 1", from the weight and it bothers me.
It's the first thing I notice when I walk in the room. Recently a friend was over and mentioned he noticed it too.
I'm wondering if others have the same issue and what if any fixes you came up with.
X2
Sag sucks.
I'm in a similar situation with 4 Radions over 7ft span.
I've seen effective DIY fixes for the problem.
(See the reef dude video on youtube).
Steel or aluminum would appear the best choice to alleviate sag- but it should be a structural shape with greater rigidity.
I'm wondering if anyone has a 20/80 (t-slot aluminum)
item number that will bridge that span with little to no sag and minimal retrofit drilling.
The standard Ecotech rail might be good for shorter spans/ fewer lights, but 4 Radions over 6ft will make it noticeably sag.

Vinny Kreyling
12/27/2017, 12:09 PM
Gary -- take a look @ this:
https://8020.net/shop/1012-s-black-fb.html

Going to have to do this twice for another item

Vinny Kreyling
12/27/2017, 12:11 PM
The other style:
https://8020.net/40-4096-black-fb.html:

Looking here myself but they are closed till 1/2/18

ecam
12/27/2017, 12:25 PM
them rails are for aqua illuminations lights. The RMS. mounts are black and it is one single bar and the lights are put on a slide bar mount. here is a link.
http://ecotechmarine.com/products/radion-mounting-system/multi-light-rms

sorry I guess i am commenting on the pics that were posted by another member.

I was just going to say this. The rms for radions is solid as [email protected] and hey donít sag.

Gary Majchrzak
12/27/2017, 06:05 PM
Get that same rail in a 6ft length and suspend four Radions from it. Call it deflection, sag, droop or whatever you want- that particular aluminum rail is not rigid enough to span 6ft and support 4 Radions without noticeably sagging.

Vinny- that website is great. I was on it before and I'd be surprised if there isn't an item on there that will support 4 Radions over an 84" span without sagging.
If anybody has a recommendation I'm sure others besides myself would appreciate hearing from you!

Gary Majchrzak
12/27/2017, 06:09 PM
Wonder if this is a common problem with those mounts. I know I've seen this problem posted before
It's mentioned in product reviews on websites such as BRS

mfinn
12/27/2017, 06:48 PM
X2
Sag sucks.
I'm in a similar situation with 4 Radions over 7ft span.
I've seen effective DIY fixes for the problem.
(See the reef dude video on youtube).
Steel or aluminum would appear the best choice to alleviate sag- but it should be a structural shape with greater rigidity.
I'm wondering if anyone has a 20/80 (t-slot aluminum)
item number that will bridge that span with little to no sag and minimal retrofit drilling.
The standard Ecotech rail might be good for shorter spans/ fewer lights, but 4 Radions over 6ft will make it noticeably sag.

On mine I used a steel 3/4" x 3/4" angle. Painted it flat black.
It is not noticeable at all, so I may change it out to a 1" x 1" angle iron.
The 3/4" x 3/4" has a tiny amount of sag. So small that I'm not in any hurry to change it.
I'm reluctant to try anything with a higher profile. Trying to keep it minimal.

Gary Majchrzak
12/27/2017, 06:56 PM
For what it's worth (future references):
What's the thickness (width) of your 3/4" x 3/4" steel angle?

mfinn
12/27/2017, 07:35 PM
for what it's worth (future references):
What's the thickness (width) of your 3/4" x 3/4" steel angle?

1/8"

Vinny Kreyling
12/28/2017, 07:34 AM
There is always a piece of bar stock painted black & drilled for whatever - wherever.
Probably the least obtrusive too.

Gary Majchrzak
12/28/2017, 07:38 AM
Bar stock would be an easy solution.
I would imagine most of the folks that opted for the Ecotech 6ft rail would want a cleaner, seemless look.

mfinn
12/28/2017, 09:29 AM
Bar stock would be an easy solution.
I would imagine most of the folks that opted for the Ecotech 6ft rail would want a cleaner, seemless look.

I am thinking of changing out the 3/4" angle for a 3/4" square tube that has a wall thickness of .120.
I want to stay with the 3/4" profile because it is hardly noticeable unless you look for it.