Hatz's have hade a variety of engines mounted on them over the years.  This list includes:

Continental O-200	Rolls Royce O-200	Continental O-300	Continental O-300
Kinner	Jabiru 3300	Lycoming O-235	Lycoming O-290
Lycoming O-320	Lycoming O-360	LeBlond	LOM 332
LOM 332	LOM 332	Warner 145	Warner 165

     Builder's page with quite a few pictures for "Snooty" the LOM Hatz:
     http://www.weebeastie.com/hatzcb1/500.html

     Info on the LOM engine: http://www.weebeastie.com/hatzcb1/motorLOM.html
     LOM website: http://www.moraviation.com/



And soon.... the Rotec R3600!

Rotec Radial Engine Sites
Rotec Radial Engines  
Be sure to check out their "Customer Projects" page.  There are numerous projects listed there - several have very good photos and some also have video.

Below are some of the more notable Projects on the Rotec site.  This is by no means an exhaustive list.  If you'd like to see more Rotec installations on various aircraft I would highly recommend going to their website and checking out the Customer Projects page.
Full Scale Nieuport 28 - http://www.rotecradialengines.com/customers/RayJarvis.htm


Hatz Classic – Kurtis Arnold - http://www.rotecradialengines.com/customers/KurtisArnold.htm


Bower’s Flybaby - http://www.rotecradialengines.com/customers/hevle.htm
     Built by Hevle, now owned by Rotec. Link includes videos.

Hatz CB-1 – LOM - http://www.rotecradialengines.com/customers/JohnAlber.htm
     Good shot of the LOM installation

Murphy Renegade - http://www.rotecradialengines.com/customers/RickStevens.htm
     Several good shots of this installation. Link includes videos.

Rotec Powered Bowers Flybaby & 80% Scale Stearman
     Link includes videos.