Hi everyone,

I plan on building a SIG 4*60 for my 3rd plane and first low winger. I would like an opinion on which engine I should choose between these two. Also the plans call for a 12oz tank. Is this large enough for a .61? I have a TT.46 PRO with a 10oz tank and it barely goes 15 min before empty.

Lastly, I've been reading some posts regarding adding additional rudder surface to improve performance. How should the additional area be added.. to the rudder or vertical stabilizer?

Thank you for your help.