Jack Crossfire's Blog – August 2010 Archive (3)

More uBlox 4 U



There it is. The cheapest $47 bare board uBlox-5 available + $14 shipping.…











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Added by Jack Crossfire on August 20, 2010 at 8:08am — 9 Comments

GPS

The day started with an hour working on the airframe. Doubled the mounting tape to try to stabilize the round rods.













But this time, GPS dropped from 9 to 7 satellites in a roll, causing her to fly into the sun. This module dates from when patch antennas were the gold standard & no-one knew omnidirectional antennas were required. Also note we didn't have the standby power… Continue

Added by Jack Crossfire on August 15, 2010 at 3:30pm — 4 Comments

SUDDEN FLIPS



















Things started off with a failed motor after the last crash. Turned out a wire sheered off from flexing during a crash long ago & the other 2 wires were nearly broken off. No way to spot it without removing the heat shrink tubing. There's no flex tolerance in those $12 motors. This in addition to a minimum PWM… Continue

Added by Jack Crossfire on August 6, 2010 at 8:30am — 18 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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