Sorry but have to disagree we have dozens of customers using the MAWD with our ecans with great results.
I don't normally misread a spec, but I misread your wire size, and as a result, came to the wrong conclusion.
Most hot wire ignition systems use relatively thick resistance wire, and won't work with a CD pyro circuit because of high current demand and the heat capacity of the wire itself. Your canister uses 48 AWG which I misread as 38 AWG. (A 30 something AWG or thicker wire would have very low resistance and high heat capacity both of which would deplete a capacitor before the wire got hot.) The 48 AWG greatly increases the wire resistance which reduces the current draw, and greatly reduces the heat capacity of the wire, so the wire gets hot quickly and stays hot for 10's of milliseconds which is sufficient time to deflagrate Pyrodex(R) if it is in good contact with the hot wire.
BP has a low ignition threshold and burns very rapidly whereas Pryodex(R) burns significantly slower at atmospheric pressure than BP. Because of the high burn rate, almost any hot wire source will ignite BP and the ignition will become self sustaining and deflagrate without external pressure on the powder. When the ignition of unconfined Pyrodex(R) is attempted, the individual grains of Pyrodex(R) in direct contact with a heat source will ignite, but the hot gases are generated at a much slower rate than BP and thus will take a much longer time to ignite adjacent particles not directly in contact with heating source. Heat transfer rate is proportional to the gas pressure and mass flow, and as Pyrodex(R) burns slower than BP, the local gas pressure has to be commensurately higher to obtain the same burn rate as BP or the burning area much be proportionally larger.
This can be overcome by increasing the burn rate of the Pyrodex(R). There are several ways to accomplish this, all of which are possible in your canister because the hot wire is thin, has little heat capacity, and stays hot for a relatively long time (10's of milliseconds vs milliseconds).
0.) Because your wire is so thin, and has little heat capacity, it gets to the ignition temperature in less than a millisecond. Because the initial resistance is high, and gets higher as it gets hotter, the RC time constant for capacitor depletion is 10's of milliseconds not milliseconds.
1.) Your hot wire is long compared with a conventional bridge wire so many more grains are directly in contact with the hot wire than with a bridge wire. More contact area gives more burning area which increase the heat release rate.
2.) The foam prevents the Pyrodex(R) from moving away from the hot wire so the grains in contact with the hot wire get hotter and generate more hot gas.
3.) The canister cap forms a seal and allows pressure to build for a short period of time. The higher the pressure, the faster the burn.
All these factors add up so while it may take several milliseconds for the Pyrodex(R) to deflagrate versus the 100's of microsecond for BP to do the same, the high hot wire temperature, the large contact area, the foam confinement, and the sealed canister all promote smooth combustion of the Pyrodex(R) before the canister opens.
This means you did your homework when you designed the canister.
Bob
