APS Smoke Pump PowerSmoke V2 with valve 28x18 for S250 Warbird momentum

28x18 for S250 Warbird momentum (P47 etc)

And it comes with our very own 39-page long liner notes with another 74 photos of our own build

These are airfoils of the highest efficiency in the field

making this build progress quicker and more rewarding than the traditional style of design and construction

L-bend Wide: L-shaped header goes 90mm out

APS Smoke Pump PowerSmoke V2 with valve 28x18 for S250 Warbird momentumProgrammable smoke pump with internal shutoff valve. This pump requires on open channel on your RX, can then be activated from your transmitter, can be RPM adjusted and mixed to your throttle stick position, when not in use the shutoff valve will keep any smoke oil from reaching your exhaust, hence none of the nasty puff of smoke that you see on lesser systems appear. High grade toothed wheel pump with metallic gear. he pump can be operated either by