In a small bowl stir together flour, baking powder and salt. Beat sugar and oil together using a stand mixer fitted with a whip attachment or an electric hand mixer. Add eggs, one at a time, whisking after each. Beat until light, about 1 minute. Add milk, vanilla and flour mixture. Whisk on medium/high until smooth, scraping bowl once, about 1 minute. With mixer running on low, slowly add water. Increase speed and mix until water is incorporated, scraping the bowl once.