Unknow Impeller

[kawishaul]

Does anyone know the pitch or other specs of a skat-trak 55 impeller. It is in an x-2. Thanks, Thomas

 

[Cliff]

i would guess a straight 15.5

 

[kawishaul]

Thanks. how so the old impellers compare to the new variable pitch. If so would you anyone suggest to fun in a mod 650 x-2. Thomas