On Thursday, October 18, 2018 at 8:05:44 AM UTC-7, JS wrote:
Fred Drift:
I've towed behind a 400HP Brave, and don't recall the owner claiming it being inexpensive to operate. How does the FU-24 with IO-720 provide cheaper tows?
Chevy LS series crate engines ~400HP are 7 to 8000 dollars. How does that compare to IO-720 top and major overhauls?
Jim

There's a popular and successful LS conversion for the Repbublic Seabee. It's also offered for other aircraft. Some versions can accommodate a reversing prop. Drop the glider and put the prop in beta to descend. Yee ha!

Here's their take on operating costs for the various engine types (including aircraft engines).

https://www.v8seabee.com/conversion-...ing-costs.html

Craig