" ... for the UAV market, [Gress] bicopters have big advantages over other platforms such as the quadcopters." - Model Helicopter World

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Gress bicopters use propeller gyroscopics not only to enable pitch control but to enhance roll control as well - please see our Bi's in Space video at left.

Gyrsocopics take control beyond what's possible with thrust changes alone (what quadcopters use) and pre-empt the effects of wind gusts.

Gress aircraft are custom made to your requirements. Please contact us for a quotation.




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