>>562
http://www.emdrive.com/IAC14publishedpaper.pdf

Table 1 -------------------Summary of published Specific forces.
Thruster design -----------------------------------------Specific force mN/kW
CANNAE room temperature ------------------------------------- 1.73
NASA tapered cavity with dielectric section ------------------------ 6.86
SPR tapered cavity with dielectric section------------------------- 18.8
SPR-------------------------------------------------------- 214
Demonstrator engine------------------------------------------ 243
NWPU thruster ---------------------------------------------- 288
SPR flight thruster-------------------------------------------- 330
CANNAE superconducting-------------------------------------- 952