Can't fool mother nature...
... but you can fool me pretty easy. My Aillio Bullet R1 roaster has a device built into the front plate that allows the operator to take a look at the beans during the roast. It's a little tubular scoop that can catch a few beans as they crash around inside the drum. Gives the operator a chance to see the bean color and get a whiff of how the roast is progressing, It's called a 'tryer' and it's pretty slick. Recently I've been playing with drum speed. Drum speed wasn't adjustable when I first got the Bullet (it should have been). When I upgraded the power board to V2 (and the control board as well; my Bullet is now a V2 Bullet) I suddenly had control of drum speed. At the suggestion of one Bullet owner, Glen Junkert, I started using a lower drum speed at the start of the roast (D4) as part of something Glen calls a 'heat soak' prior to increasing the power to get to roast temperatures. Midway thru the roast I start increasing drum speed as the roast...