Looooong runs

[filmtech]

I've got an offset head LM still and I'm following the directions laid out in Huskers' LM operation instructions. My questions is, is it normal for a 5 gallon spirit run at 40%abv take 10-12 hours to run? I'm starting off with an hour of equalizing at around 172 F, and then a drop a second for 300ml of fores (removed fores from each stripping run). Re-equalize for 15 mins, then take heads 1-2 drips/second till the taste/smell dissapears, re-equalize for 15 mins then take hearts at 2-3 drips/second, finally turn the heat up and fast run the tails. Its been taking an average of 10-12 hours to run it from 172F to 190F, or 40%. Just seems to take longer than some of the guys on the site says it should. Thanks! Filmtech