Board Thread:Questions and Answers/@comment-6280815-20130202201652/@comment-24.18.8.160-20130209180341

Sterling engines *can* explode, but they can take a stack of charcoal at a time and be just fine. they're generally fine so long as the power has somewhere to go. use redstone engines if you don't mind making about 400 of them to run the quarry at full speed.