Answer a few questions about the plane you're building and get a complete electronics starting point — motor, ESC, prop, battery, servos, and radio. Built for beginner, scratch-built foam planes.
The hardest part of a first RC airplane isn't the building — it's buying five electronic parts that actually work as a system. The motor, ESC, battery, propeller and servos all have to agree, and a mismatch is how beginners burn out an ESC or end up with a plane that won't leave the ground. This builder turns your plane's size and style into one matched, buyable checklist.
Your motor sets how much current the system pulls; your ESC has to be rated for at least that current (with headroom); your battery has to supply it safely (enough cells and a high enough C-rating); and your prop is the throttle on all of it — too big a prop on the wrong motor pulls more amps than the ESC or battery can take. Get one wrong and you cook a component on the first flight.
Answer a few questions about your wingspan and how you want it to fly, and you get a complete parts list — motor Kv and size, ESC amp rating, battery cell count and capacity, prop size, servo count, and a radio — each linked to a specific product picked for the spec, not a generic search.
What size motor for a 30-inch foam plane? Typically a 2212-class motor around 1400Kv on a 3S battery — exactly what this builder recommends for that size. How many amps should my ESC be? Rated above your motor's peak draw with margin; the builder sizes it for you. Then what? Take the list to the Wiring Designer to see how it all connects.
Parts picked? See exactly how they connect — in the right order, without frying anything.