Silicone Cake Tins Why Won't My Victoria Sponge Cake Rise?

Why Won't My Victoria Sponge Cake Rise? - silicone cake tins

I searched and searched and tested according to the recipe and procedure, even by hand, with the mixer, flour and baking powder, self-rising flour, even flour and baking powder, all in a method of skimming and retreat, tin sandwich , plain cake pans, trays with silicone, views, flogging a lot of air, heating s in a plate (paper Swiss-style) is not 'open the oven, the egg by egg, egg mixture with a weight of eggs, etc, etc . still hard! Any tips?