In article EhXub.249932$HS4.2225277@attbi_s01,
"Robert Bates" wrote:

The only one I saw was at Steve Wolfe's hanger in the early '90s and I
thought that it was interesting at the time but I didn't learn any more
about it than the engine installation. The performance specs for the Jacobs
powered version would also work. What I am trying to accomplish is an
interesting, but affordable to fly classic by re-powering an engineless
Beech 18.



What you would end up with is an underpowered, overweight,
underperforming paperweight, as the STC process would be overwhelming.