My understanding is that in the aerospace industry, particularly at the cutting edge, margins are so low that common platforms don't really work out. In the ca

My understanding is that in the aerospace industry, particularly at the cutting edge, margins are so low that common platforms don't really work out. In the car industry, say, a 10% penalty in, say, weight might be worth it if it enables the manufacturer to share the platform among many different products. In aerospace, not so much.