Tod Rippin

Flight Termination

Hello everyone,

So I have a question about flight termination/failsafe modes, what setup is everyone using?
I am looking for a failsafe device that will trigger a parachute in the event of signal loss and cut power to the motor (electric) or possibly the entire radio system together, or that can be manually triggered remotely in the event of a malfunction as what is required for the "Out Back Challenge" competition.

Any suggestions would be greatly appreciated.

Thanks.
Tod

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Replies to This Discussion

Chris AndersonPermalink Reply by Chris Anderson on March 21, 2010 at 1:13pm
ArduPilot's failsafe detection is described here.
Tod RippinPermalink Reply by Tod Rippin on March 21, 2010 at 1:20pm
Well that's all fine and dandy if a person is using that system mentioned, in witch case I'm not, what I'm looking for is basically an emergency button to press in case the aircraft goes out of control and it would be a "stand alone" system.
Chris AndersonPermalink Reply by Chris Anderson on March 21, 2010 at 2:07pm
As you probably know Millswood Engineering make a specialized device for that.
Tod RippinPermalink Reply by Tod Rippin on March 21, 2010 at 2:15pm
yeah I've looked at that one before but I was kinda wanting a DIY project too and something a little smaller.

Thanks for your input though Chris, much appreciated.
Chris AndersonPermalink Reply by Chris Anderson on March 21, 2010 at 2:19pm
Well, you can use an ArduPilot just as a failsafe. At $25 it's hard to beat the price and it's very small, open source and flexibile.
Krzysztof BosakPermalink Reply by Krzysztof Bosak on March 24, 2010 at 5:19am
MillswoodEngineering has something developed SPECIFICALLY for OUTBACK challenge.
But the recent rules are ridiculous, requiring the failsafe in fact to be able to define concave polygon flying zone and trigger when out of the flying zone.
Also a dangerous looping can occur when using out-of-vlos 'telemetry revival' waypoint as specified by the new rules.

The New Rules do more harm than good when obeyed strictly.
Chris AndersonPermalink Reply by Chris Anderson on March 24, 2010 at 5:42am
I agree. The new rules are completely over the top, and require stupid stuff like a stunt pilot certification and ban some common wireless frequencies. We were thinking about participating in the future, but not any more. There are better competitions now that don't have as much bureaucracy (or distance to travel).

See this thread for more.
Angus PeartPermalink Reply by Angus Peart on March 24, 2010 at 5:48am
The wireless frequency is an Australian Law thing. They aren't banning them, simply saying you can't do anything illegal.
Chris AndersonPermalink Reply by Chris Anderson on March 24, 2010 at 5:51am
And the saddest thing is that the nice guys at Millswood Engineering developed a special failsafe/flight termination board for the competition, and then then new rules made it useless because it doesn't detect an exit of the flying zone. They must be fuming.
Krzysztof BosakPermalink Reply by Krzysztof Bosak on March 24, 2010 at 6:35am
This always ends like this when ppl that never did XYZ tell you how to do XYZ safely.
Mark ColwellPermalink Reply by Mark Colwell on March 24, 2010 at 7:05am
These guy must be following the lead of FAA
Krzysztof BosakPermalink Reply by Krzysztof Bosak on March 24, 2010 at 7:44am
That's OK. But the prize should be 5x higher.

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