[RE-wrenches] Rail-less Racking

[Corey Shalanski]

I am wondering if anyone on the List has significant experience installing
rail-less racking systems (Quick Mount PV Quick Rack, Roof Tech E Mount
AIR, SnapNrack RL Universal, etc.) and can speak to the pros and cons
versus rail-based systems?
Also wondering if anyone has strong opinions regarding the lesser air gap
below modules with rail-less systems and how much, if at all, that might
affect production? *bonus points awarded for providing quantitative data

--
Corey Shalanski
Jah Light Solar
Portland, Jamaica
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