Subaru has several sizes that could fit the bill and there are several
commercial companies producing different versions. Try a search with
subject lines like auto-conversions and automotive aircraft. You will
also find a subscription CONTACT! Magazine a helpful publication.

rektide wrote:

I'm looking at making a powered sailplane with a ducted fan and would
need at minimum 75HP. I'd much prefer something closer to 120HP, but
I dont know what size and weight tradeoffs that would entail.