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Heat is what kills motors and ESCs, and electronics just don't like it. They run more efficiently and reliably when they stay cool, and keeping them cool usually means longer life and more runtime. The right operating temperature depends on the load and conditions the motor or engine is working under, and it matters for both longevity and performance. Gas and nitro engines behave differently, so you need to know the temperature window for your particular engine. Motors, speed controllers and batteries are some of the most expensive parts in RC. Nearly every hobbyist has blown one at some point, so the Thermologger Duo is a smart way to keep an eye on heat before it costs you a part.
