Hello,
I desided too make a werry smal GPU cascade today. The base plate is only. 32x45cmI trow it together on only a few ouer so it lokks like hell but it works great :)
http://i23.photobucket.com/albums/b3...pu-cascade.jpg
Stage 1 is a Danfoss FR10a with r290 and even if its a little compressor the inn/out on HX with stage2 running is quite good. The HX is 3m 3/8" with 1/16" iside :)
http://i23.photobucket.com/albums/b3...kk/hx-temp.jpg
Stage 2 is Danfoss FR 11B and its charged with R1150.
http://i23.photobucket.com/albums/b3.../evap-temp.jpg
Lets just hope my XTX is like the one Gubben godt, and that it likes cold :)