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Old 03-16-2008, 09:50 PM   #769
KrisW
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Join Date: Jan 2006
Location: Brazil, MT
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Default Re: Independent tests prove lack of frequency hopping with XPS

Quote: Originally Posted by BZFrank
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A 'lockout' is a situtation when the RX does not respond to the TX anymore for a substantial time duration. There is no special mode for that in a XPS system (at least it would not make any sense to implement such), it is believed an error condition of the XPS due to various causes - low voltage, bad reception, channel swamping or triggered by other external events. 'Lockouts' in XPS are reported both be transitory when control could be regained after some seconds and permanent when control could not be regained until crash.

Here is a video example of a transistory XPS lockout (German narration, however its easy to tell when its happens: 'kein Empfang' means 'No reception', 'Empfang' means 'reception', its was not a low voltage issue as a logger was running during flight):

YouTube - rc jet Kangaroo 2007-12-23 XPS LockOut ?

Frank

first off, those German guys are very hard core modelers. . cold. . windy .. yuck

Second, that is one short, and narrow runway, for a turbine job

Third, the guy flying did a great job getting the plane down in one piece.

And lastly. . the radio system LOCKED OUT, several times. they were very lucky to get the plane back and be able to fly it another day.
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