if ya can grab a copy of High Times Ultimate Grow - Jorge Cervantes on the second dvd theres a grow room which is in a silo with lamps running from centre up (one huge cool tube with 1000 hps from mem) and the dude trains them to grow at a 45 deg angel to use all the light to its best. Its one hell of a mad grow room lol. Wouldnt growing horizontal be a better idea and more practical though if you wanna experimaent? Seen pics of it done and with a cooltube ya could grow both side of it and fan out using near all the lights output?