| CA Newbie, great points, thanks.
 The motor will be used as a backup to get home if the wind dies, as there are strong tidal currents where I sail.    So, I'm thinking that the motor throttle will not need to be adjusted frequently.    Yes, the motor has a kill switch, so I'd need to have a long lanyard available.
 
 One other issue I've encountered - the pontoons are much taller at the fore crossbar than at the aft.  So, an adjustable bracket would be required to get the motor low enough.   The complexity grows...
 
 
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