I would use Ron's ideas. The turnbuckle is adjustable for seasonal changes in the wood.
If you only use one, make sure it is bottom latch- diagonally- top hinge, it carries the weight.
Here is quite a few hinges rated for different weight assemblies, and a turnbuckle - last, bottom:
http://www.lowes.com/lowes/lkn?acti...Ntt=gate+hardware&Ntk=i_products&N=4294961544 Be safe, G
If you only use one, make sure it is bottom latch- diagonally- top hinge, it carries the weight.
Here is quite a few hinges rated for different weight assemblies, and a turnbuckle - last, bottom:
http://www.lowes.com/lowes/lkn?acti...Ntt=gate+hardware&Ntk=i_products&N=4294961544 Be safe, G