Hello everyone, my name is Andy and I'm new here.

I am not too familiar with timber framing and post and beam designs so I am seeking some help in designing a barn.

My hobby is building farm equipment to scale, and I would like to build a scale barn. The barn I want to build will represent a 36'x56' gambrel barn with stalls and a hay loft. I have mocked up a drawing on Google Sketch up and would like some advise on how to improve it. My main concern with this design is that the two queen posts (I think that's what it is called) just stop at the beam and do not follow through to the ground. I have seen a couple gambrel barns this way but is it safe for this size barn?

Also, what size timber should I be using? I was thinking 8"x8" for the posts, 6"x10" for the beams, 6"x8" rafters, and 3"x6" loft joists and roof purlins.

Please feel free to criticize my design, it will help a lot if you did.

Thank you,
Andy