Jack Crossfire's Blog – May 2011 Archive (3)

DEMO REEL, MORE MARCY1 DESIGNS

 

 

There's 1 big demo reel, containing highlights from the last 4 years.

Not nearly everything, but we got tired of editing.

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Added by Jack Crossfire on May 22, 2011 at 11:00pm — 4 Comments

Double blade disaster

 

 

Flew something for the 1st time since the PCS order. She didn't

oscillate, but didn't have enough power.  That design had no coning

angle.  Back to wing designs.

 

That had tons of lift, but no control.  The…

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Added by Jack Crossfire on May 14, 2011 at 3:02pm — 1 Comment

QUEST FOR CONTROL

Put ghetto magnetometer on Marcy 1 because it only needs 3 wires.  Any I2C chip would need 4 wires.  The trick is moving it away from the motor in such a small aircraft.  Still amazing how sensitive such a small inductor can be, after trying to build one from scratch.

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Added by Jack Crossfire on May 6, 2011 at 6:00pm — No Comments

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Season Two of the Trust Time Trial (T3) Contest 
A list of all T3 contests is here. The current round, the Vertical Horizontal one, is here

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