Sure you can use it. It will look great until the first time you press on the fabric in the open areas. IE: the open bays between the ribs. Primers by nature have lots of solids and will "Eggshell" when you touch it. There are always naysayers that will disagree so the old saying "There's them that have and them that are gonna" applies here. You started correctly by using Nitrate dope. Now, switch to Butyrate. Paint, sand, paint, sand, paint, sand, Paint and use the primer on only the solid surfaces. Life will be good, birds will sing and all will be well.