Engines, Propellers, the variable “Prop Covers” display at bottom of the form. Changing between the propellers results in the 3-bladed covers variable displaying when it should be hidden.
It sounds as if you must have an error in your conditional logic, or perhaps two or more conditional logics are clashing with each other. Feel free to send your form to our support team and we’ll be happy to take a look.
Note that for a faster response our support ticket system is the way to go as we don’t frequent the forum on a daily basis.