Braking force
braking-force-2 · technology · tier 5: Chemical science pack · upgrade
Cost
800 × (1 Chemical science pack 2 pY science pack 2 3 Logistic science pack 6 pY science pack 1 10 Automation science pack ) · 120s each
Requires 1
Leads to 1
Unlocks 0
Also: train-braking-force-bonus