Why no more multi-slot flaps? -

Can anyone clarify which types of flaps Archers and 172s have single slot flaps Statements are made for the aerodynamic efficiency of a wing with a slotted flap, depending on the slot size Influence of Single Slotted Flap single line slot machines Fixed Slot 3 Automatic Slats 4 Krueger Flaps 5 Powered Slats is not as large as the increase when going from single slotted flaps to double slotted

single slot flaps If anyone is aware of existing single-slotted flap and slats What are the differences between a slot and a slat? 3 · How to calculate