Which engine?

[Southern fox]

Hi,


I’m new. I have never flown but have always wanted to. I plan to build a series seven Sti, but I don’t what engine to look at. What are the differences between the 912is and the 912ul? Both of these are rotax.

[Eric Page]

Full info on the Rotax line is available at https://www.flyrotax.com/products.html

[Southern fox]

Thanks! I look that up.