Here is a ver simple recipe:

got to keep the ratios the same.
1 egg
1 cup water (250ml)
1 cup flour (250ml non raising)
pinch of salt

and use butter in the frying pan not oil.
if you want the make more pancake mixture just change the 1's accordingly ie 3 eggs, 3 cups water, 3 cups flour, 3 pinches of salt (or 1 large pinch)

mix flour and egg first then add water slowly while mixing, add salt last.

Nice and easy.