In message , Mark Bradford
writes
wrote in message
oups.com...
What makes you think UAVs are restricted to props for propulsion?

Can you give a cite for a ramjet model? Also, could you please cite a role
for a ramjet powered UAV (other than a harpoon/tomahawk - I suppose they
could be considered UAVs).

http://www.army-technology.com/projects/cl289/

gets you a jet-propelled UAV that's been in service for some time.

They're unusual - for most applications a prop seems to give better
endurance-range-speed tradeoffs - but not totally unheard of.

--
Paul J. Adam