anyone try this slider?

Interesting, also while googling it, I found this

http://www.drillspot.com/products/520569/pacific_bearing_g-mrs12r-0470_sigma_linear_guide_rail
357549_300.jpg
 
All these sliders suck because they involve torque on the underside of rails.
The ideal slider has NO torque on the underside of the rail.
 
I haven't tried the low-profile rail, but I do own the Redi-Rail inch slide and rail and have to say I much prefer the motion from the roller bearing setup as compared with the drylin bearing setup like that from my Igus slider. I have let other people use my Igus slider in the past and ended up with a rail that had small dents and nicks from objects striking it. I can't tell you how much this affects the performance of the slider when the carriage moves across the rail. What I love about the Redi-Rail is the track that the slide moves along is inside the actual rail, protected by the walls of the rail.

The Redi-Rail inch slide and rail is the same product the DPSlider is made of. Part number RRS18 and RR18-36 for a 36" rail. I will be posting some pictures of my completed slider with custom-manufactured camera plate as soon as I can. All together you are talking around $250 for a 36" rail, slide, and around $80 for the camera plate to be fabricated from my local machine shop. The only drawback to this style slide is there is virtually no clearance between the rollers on the bottom of the slide and the inside track of the rail, so mounting a bolt up through the slide is not possible, as it is with the Igus carriage. This means anything you want to attach to the Redi-Rail slide has to be screwed onto the camera mount you make. This isn't an issue if you plan to use a tripod head, but if you wanted to use a simple quick release adapter like the one from Manfrotto, or attach the camera directly to the slide, you are out of luck.
 
Beautiful! thanks much, exactly what i was looking for, drylin is terrible, it stucks all the time, this will give you very smooth motion, just like an Atlas, but I hope a bit cheaper,
I did send quote request, will show you guys how this will work,
I did try igus prts, and some other manufacturers so I have some experience in bulding DIY sliders, and this is the last attempt before I buy atlas:)
 
take a look at cameramotions.com. I use their rails and blocks to build heavy duty camera sliders that will take a red or alexa and an O'Conner 2575 head. I have also used a single rail for dslr work. Get the osg 25 rail and block. They use a roller bearing system, not ballbearing. Ballbearing systems work really well but can be loud if that's a concern.
*disclaimer* They do have a link on their page to my slider - they call it supertrack, I don't have a name for it yet. I do not make any money from them. Here's a photo:
slider55.jpg

Bottom line, go for a roller bearing system if you want to move up from the igus.
Regards,
Shane.
 
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