Originally Posted by
ljsense
What happens if you break a chain on a recumbent? I'd think you'd just spin your legs around and look a little dumber than normal for a second.
If you look at an Easy Racer recumbent, you'll see there's an idler on the bottom run of the chain, halfway between the derailleur and crank. It's there because the chain came off of the original prototype and dragged under the rear wheel, causing a crash. On the OP's TerraTrike this is less of a problem but still possible.