Plenty reasonable to start with .015 x 60 foot lines. You might end up going a little shorter, maybe 58 or 59 feet, but only flying it will tell. We fly our Flite Streak with the OS 20 FP on 60 foot lines.
Here's a link to the Brodak tanks. Hope it shows the style I like. #BH 589
http://www.brodak.com/shop_productde...maincatagory=1