Anybody know anything about the JBA .28? Its a 3 port and has a pretty large piston (19mm) with a 16.5mm stroke. In the pictures it has a hobao carb installed off a mac 28 ( needles removed to check the o-rings) also in the piston size comparison picture its compared to a piston off the same hobao engine.
Found some info about JBA plane engines, but thats about it. It will be going into my savage after i get the new carb o-rings in:
Found some info about JBA plane engines, but thats about it. It will be going into my savage after i get the new carb o-rings in:
