Can you handle this much power? Has there ever been a controller this much ahead of it's time, and waiting for motor and battery technology to catch up to it? Make sure you're sitting down first before comparing the price to the nearest competing product with similar capabilities. And inexpensive in this case, most certainly does not mean anything was sacrificed in design and component quality. Castle Creations leads the industry in reliable design and also sets the standard for customer service and support. We know everything in your large aircraft rides on having smooth power you don't even have to think about, so when it comes time to step up in electric capability.