I was browsing through some old B&S parts manuals and see that there was a B&S model N engine made having dual magnetos.
It uses the same #29617 armature, #29667 points, and #29861 condenser as the common model N, but uses two of each.
Is anyone familiar with these dual magneto engines, or can provide a reason for them?
Longer spark duration? ....Redundancy? ....Reliability? ....Military application?