ASL build- lam stack question

[jhk1]

I want to build an ASL (Hill style longbow) with the following specs:
69" nock-to-nock length;
50# @ 30";
1-1/8" wide limbs at end of fades, tapering to 1/2" (or maybe slightly less) wide at nock;
black walnut core lams (3 lams);
15" riser;
straight glue-up (should result in just a touch of string follow after finishing and shooting it in).

What should my total stack thickness be (including the back and belly glass)? Based on some previous posts and some extrapolation, I think it should be around .450".

What total taper rate? I'm thinking .004" or .005" per inch.

Should I use .050" or .040" glass?

Thanks in advance for recommendations.

[jsweka]

Based on my results with a similar design, I'd recommend a total stack of 0.500 with 0.050 glass and total taper rate of 0.005.