hey curtis! thanks for the compliment...in regards to the rail for the "Y" axis, it will not be a set up as shown in the photos...the linear bearings currently on my "Y" axis is set up for the legacy rail, so switching rails at this point is something i do not want to deal with...i will be splicing only two pieces of rail together to achieve the length i need...the linear rail should do a sufficient job of supporting the "Z" carriage and keeping the two pieces together...and i do have a plan for additional strength if needed...a piece of 1 1/2" X 1/8" steel on the underside of the rail, which is what is on the top of the rail...then there is the rigidity of the linear rail itself...between the three, i feel confident the rail will not be an issue...i have seen the 80/20 web site and it is good stuff, but i am going to stick with the legacy material , at least for now...believe it or not, don't have any need for additional rail for any future mod that might currently be on the back burner...but i will take a more in depth look into the 80/20 stuff...thanks for the input...joe
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