I've said it before I'll say it again, simple bows like this will prove whether you can tiller or not. There is no character to hide behind, no flash or frills, just limbs! You either get it right or it looks all wrong.
Not surprised to hear you say a limb gave you fits, even the slightest hinge or flat spot would show up like a glaring mistake on a simple design like this. You nailed it, though. You nailed it down tight!