Pinion/spur ratio for your RC — too aggressive cooks motors, too conservative kills speed.
Smart eBay searches we'd start with ourselves. We earn a small commission on qualifying sales through these links; the price you pay is the same whether you use them or go direct to eBay. Full disclosure.
Brushless RC car (1/10 scale)Traxxas Rustler and Arrma Granite are the benchmark 1/10 bashes. Brushless puts them out of stock fast — search broad.
LiPo battery pack (3S)3S is the standard voltage for most 1/10 cars. Gens Ace and Zeee have consistent cell quality at the hobby-shop price.
LiPo balance chargerA balance charger is non-optional — charging unbalanced cells is a fire risk. iCharger, SkyRC, and ISDT are the reliable brands.
Spektrum/Flysky transmitterBuying car and transmitter separately lets you bind multiple vehicles to one radio. Spektrum DX5C and Flysky GT5 are the two entry picks.
Painted RC body shellPre-painted Lexan bodies fit 1/10 cars with standard 190mm width. Worth keeping a spare — they crack on hard bashes.
Suggest a niche, calculator, or article. We read every submission — the operator picks one a week to turn into a real page.