How much do these type of flaps increase drag?

The 4 Types of Wing Flaps 2 Min Tuesday is back!!! 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 single slot 4090 Flaps Plain Flaps

single slot Because of structural complexity and difficulty in sealing the slots, Fowler flaps are most common on larger airplanes Single-slot type wing flaps; Adjusted