Jianguo Zhao's Posts

Jianguo Zhao's Posts (2)

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A miniature tricopter

Posted by Jianguo Zhao on April 22, 2010 at 2:54pm

From http://shrediquette.blogspot.com/2010/04/mini-is-airborne.html

Specs Shrediquette DLXm
Motor shaft distance: 132 mm
Max. dimension: 259 mm
Weight: 230 g
Props: 5x3 3-blade GWS
Motors: Roxxy 2216-25

ESCs: Turnigy Plush 6A with I²C->PWM converters
Battery: 3S, 800 mAh
Max thrust per motor: 237 g
Thrust to weight ratio: 3.1:1
Total current during hover: 4 A
Endurance: 11 mins

Here is a Video:

http://vimeo.com/11061240

A New AHRS about $300

Posted by Jianguo Zhao on November 14, 2009 at 7:30am

The CHIMU developed by Ryan Mechatronics. Here is the link: http://www.ryanmechatronics.com/index_files/ProductDetailCHIMU.htmIncluding 3 axis gyro, 3 axis accelerometer, and 3 axis compass. But it seems that there are no kalman filter implemented. However, the price is cheaper than previously posted VN-100:http://vectornav.com/products/74-vn-100

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