With the sidewinder engine and tank, I think you'll be ok with 1/2 oz., but you might want to have some packing tape and pennies handy to supplement that...or maybe to put some on the inboard tip. I assume (ooops!) that it has a somewhat longer inboard wing?
Up until recently, I had a picture of a "Sure Thing" on my 'puter, but I got all rambunctious and deleted it. You might try a search (on SSW?) for the thread. It would look cool painted up in burnt orange with black scallops.

Steve