Giant RC JET, Warbirds and planes. p51, fu4 Corsair, Mitsubishi Zero, F86, F18, f16, F4, t33, Focke Wulf, ME 109, Piper Cub, F100 Super Sabre, Su 30, A10, L39, Bonanza many more. almost as good as the Bangalore Airshow!
On the size of engines that are used in rc models the two blade props are more efficient. To use a four blade propeller the engines would need to be much larger and need a reduction drive unit to turn a scale size propeller. Best wishes from the UK 🇬🇧