Blog entries tagged design practices

Rescue Robotics 2010 OBC Build Progress Update 3 - Manual Flight

Adam Amos — Thu, 01 Jul 2010 08:03:59 +0100

The plane was successfully flown in manual (RC) mode however the motor blew up approximately 2 minutes into the flight. The following footage (20 seconds) is of the plane gliding in for a smooth landing after motor failure (please excuse the camera shake my little bother was filming).

Cause of failure:

Propeller size & pitch was incorrectly selected for the motor used.
100% motor duty cycle was used for ~40 seconds.

Scorched windiRead More...

Rescue Robotics 2010 OBC Build Progress Update 1

Adam Amos — Wed, 23 Jun 2010 05:19:40 +0100

Hi All,

As this is the first build log post I will describe some of the build and design practices that I will be using. Firstly I will almost always try and use existing commercial available off the shelf (COTS) hardware wherever possible as there are no prizes for "re-inventing the wheel". The lowest replaceable unit (LRU) will be at the subsystem level so that any problems with UAV subsystems can be repaired rapidly through subsystem replacement.

Okay lets get startedRead More...