Task · part of 1. Three of four, and all four are reading
1(d). How a locomotive develops power
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You have not answered "Requirement 1: which three of the four?" yet. Answer it and this step will either settle or drop off.
A modern diesel or electric one, plus two named terms: dynamic braking and radial steering trucks. Those two are specific pieces of vocabulary rather than things to reason out, so look them up rather than guessing from the words.
Where this step comes from
- Railroading Merit Badge Requirements (Merit Badge Hub, last modified 2025-12-15), Requirement 1(d) · The requirement names dynamic braking and radial steering trucks.