January, 2010Archive for

Taillight Power Drains

Though ATR units utilize more reliable inter-rover communication media, human operators are attuned to various semaphore lights as predictors of vehicle motion.  The standard "4-way flat" taillight connector (SAE 4-pin) utilizes 4 wire colors: white (ground), brown (running lights), green (right turn/brake), and yellow (left turn/brake). Typically, the running lights are lit continuously whenever a vehicle's engine is running; either the left or right signal lights (not both) are flashed rhythmi...

ATR5-b1: Steering mount (completed)

ATR5-b1's steering is actuated by a 1.5hp retrofitted winch. A previous post detailed the steering requirements [120lb-in torque, 540 degree total rotation] and the winch spool mount [wherein the spool is bolted to a rectangular aluminum assembly which is in turn hose-clamped to the steering wheel]. The winch base -- containing the motor and planetary gearbox -- must be affixed to the chassis framework to provide the leverage to actuate the steering wheel. Moreover, the winch must be ...