Here's a quick'n'dirty mockup. The shape of the blades and the cone are not accurate, but the blade length, and gap between blades and technic brick should be right to within a few ldu. 0 Untitled 0 Name: 2740c01.dat 0 Author: (Duckie) Dave Till 0 (...) (19 years ago, 1-Jan-06, to lugnet.cad.dat.parts)
(...) Thanks Dave, that's brilliant. Here's an equally quick'n'dirty render of it attached to an engine I designed yesterday. (URL) (19 years ago, 2-Jan-06, to lugnet.cad.dat.parts)