Wonder if this inexpensive ($3) piezzo vibration/strain sensor could be used as thrust sensor inside a ducted fan housing? Or as a rudimentary speed sensor by air deflecting it with more speed? Or build it inside/on a wing for stress/deflection sensing?May be for weight sensing if it's attached to something that bends/changes position under weight?http://www.sparkfun.com/commerce/product_info.php?products_id=9198
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It appears that this device must vibrate to produce a signal...
I would recommend probably a flex force device attached perpendicular to the thrust of air
inside the EDF housing. When the device is not flexed (perfectly perpendicular), then the thrust
is zero. As the thrust increase, the wind deflects the force sensor and bends it. The device would
then give you a rudimentary thrust measurement which could be converted to airspeed... of course
the angle and wind speed must be take into account...
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I would recommend probably a flex force device attached perpendicular to the thrust of air
inside the EDF housing. When the device is not flexed (perfectly perpendicular), then the thrust
is zero. As the thrust increase, the wind deflects the force sensor and bends it. The device would
then give you a rudimentary thrust measurement which could be converted to airspeed... of course
the angle and wind speed must be take into account...
-Aludra