Originally Posted by
1/8 IC Fan
Hence why OS went 4 stroke route, made it easier. I know I posted up a pic earlier of the FS-120S but here is some more to stoke the fire.
And here is a review:
OS FS-120 Surpass SP
That looks super cool. It's hard for me to gauge the size of the assembly in those photos; I see from a schematic that the engine mount holes are 58mm apart left-to-right, so I'm guessing the supercharger isn't more than 55mm wide, but I can't be sure.