GURPS 3e: Making a duct-rotor helicopter

[GURPS Fox]

Originally Posted by Fred Brackin

We may be having a terminology problem.

As far as Ve2/GVB goes there is no such thing as a "duct rotor". You can have "ducted fans" or several types of rotors (includign "Tilt rotors) but no "duct rotor".

Googling shows me a picture that qualifies as a "Ducted fan vertol" in Ve2/GVB. Though the fans are quite large.

You want "Ducted fans" from the "Airscrew" table on p.35 of Ve2. Then you want to go to "Vectored Thrust" on p.41

Avoid all helicopter drive trains..

The thing was, they looked like regular rotors, just in ducts. :\ So sorry for the hiccups that makes.

At least I've resigned to simply using multiple main rotors for intermeshing rotors helicopters...