I think you shoot the heaviest bow you can shoot best. If you can,t shoot 70 lbs don't. I have hunt a lot of years and hunted with a lot of bow hunters. Hunted with recurves, compounds, fast arrow and heavy arrows and base my set up on what I have seen over 45 years on bowhunting. Recurves shoot as heavy as you can, cut on impack broad heads and a heavier arrow works best. A 60lb recurve put out 5 are 10 lb Ke lest than a compound with the same arrow at the same weight. Thats way we have them. the newer recurves that are being made today are not the reurves we had 40 years ago, faster and better made with space age glues and so on. I have a good friend of 40 years that shoots a 60 lb compound with heavier arrow than I shoot, but he gets big bucks every year. I have aways shot 65 to 70 lbs with a little lighter arrows. When start talking about deer we have taken (100's). I always get more pass throughs and have shot through more shoulder blades than he has with pass throughs. What I'm saying is shoot what you want. but you owe it to the game you hunt to be at you best and to make the most ethical kill you can make. I don't want to see as go back 40 years, bowhunters did lose more deer and all you would hear from the people was how some one found a deer dead with a arrow sticking out of it are a gun hunter shot a deer with a arrow inside it and how we bowhunters wound to many deer. That way I always put my name on my hunting arrows, make the best shot I can and shoot fast carbon arrows at 70 lbs. Pass throughs and exit hole kill fast set ups.