SmartASS Videos
The videos† on this page are produced using a
flight simulator connected to a real SmartASS unit. The simulator sends
airspeed and acceleration information to the SmartASS and the resulting
audio output from the SmartASS is captured along with the simulation's
window.
Using a simulator to drive the SmartASS was initially done while the
product was being developed to make the development process quicker and
cheaper. New ideas could be thoroughly evaluated using the simulator
before being tried in a real aircraft.
To obtain the smoothest playback (and help reduce server bandwidth),
please download the video to your computer first and then play the local
copy. For most browsers, pressing the RH mouse button above the image
will popup a menu. Select the option that says something like: "Save
link as...".
Takeoff
This video (7MB) simply shows the SmartASS being used in talking ASI mode
during takeoff and the early part of the climb. Nothing exciting happens!
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At the start of the video, the aircraft (a C172) is just
starting its takeoff roll. The SmartASS is turned on but
remains silent until the speed passes 25 Kts.
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Good job it's a nice wide runway!
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Once circuit height has been reached (or at some point in the
climb), the SmartASS can be switched to sleep mode. It will
silently monitor the airspeed and G until either the pilot
wakes it up or the speed has reduced to the approach speed and
then it will wake up in speed director mode.
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On Approach
This video (11MB) shows how the speed director mode is used to help the
pilot achieve a stable approach. It also shows how the SmartASS quickly
detects increased wing loading (in this case due to abuse of the
controls.)
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At the start of the video, the aircraft (a C172) is on a
short final, the speed is decaying and the SmartASS is
reporting the speed in talking ASI mode.
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When the speed has reduced to the "target speed", the
SmartASS automatically changes to speed director mode and
reports the target speed. At this time, if the aircraft was
fitted with a retractable U/C, the SmartASS would alert the
pilot if the wheels were not down. Because the speed is still
decaying, the SmartASS almost immediately reports that the
speed is slow. After a few seconds the speed recovers to
"good".
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At around 25 seconds into the video, the yoke is deliberately
pulled back very sharply to increase the wing loading and the
SmartASS quickly alerts the pilot (even though the indicated
airspeed has not changed very much).
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The approach speed is stabilised again and from 30 to 50
seconds the speed is "good". Notice how the volume of the
voice decreases as the good speed is maintained.
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In the flare, the SmartASS grumbles because the speed is so
low and then it drops back to talking ASI mode.
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† Videos recorded using DemoRecorder.
Copyright 2008 Smart Avionics Ltd.