I’ve had a lot of people who would like to go Vegan ask me about different substitutes for ingredients. One of the biggest problems they face is simply finding foods that can be eaten and still hold true to vegan values.
Here’s a great resource I found that you may want to check out
Excerpt from veganwolf.com
There [...]

Question:
Has anyone successfully baked a vegan angelfood cake? http://lowfatveganrecipes.com/has-anyone… #vegan
RT @vegancook101: Has anyone successfully baked a vegan angelfood cake? http://lowfatveganrecipes.com/has-anyone… #vegan
Here’s one recipe I found. According to the comments it didn’t work that well but maybe you could play around with it if you’re feeling adventurous!
http://www.vegan-food.net/recipe/301/Angel-Food-Cake/
Unfortunately, it’s impossible. Angel food cake is angel food cake because of the beaten egg whites. I’m sure you can make other kinds of vegan cakes, but not angel food.