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Disaster! My own stupid fault.


Adrian Smith 1
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On 10/11/2021 at 23:04, jrman said:

I think it was developed by JR and adopted by Spektrum when JR/Spektrum were working together.

All current JR Tx's have model match.

 

Futaba has recently updated the software to include model match which works with most of their receivers (all of mine). There is a software download available for most of the newer transmitters but it does mean that you will need to rebind everything. I moved from JR to Futaba (T18SZ) about three years ago and I love the increased functionality but I was a bit worried about the lack of model match so I was very pleased when this was introduced recently. 

 

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  • 3 weeks later...
  • 2 weeks later...

Just goes to show how important maintaining currency is. 

 

I know when I got back to flying after the first lockdown I was very careful to go through all the check lists methodically before committing to fly.  I'd had a 3 month break from flying.  I usually fly once or twice a week so I felt very rusty.

 

Turned out fine as my brain kicked in pretty quickly.  

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I note from the instructions for this machine, the manufacturer reckons.

Fit battery. Unfold the bits. Switch on, check function. Off. 
Less than a minute.

 

This bloke, a couple of hours experience, at night, in fog. Might even believe the instructions. 

 

What could go wrong?

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Nothing to do with aerospace training. Look through a boatload of full size crashes.

A idiot, managed by cretins, who with a bit of training, probably by a fool, will always result in a trained idiot, supervised by an empowered cretin. With an ego that goes with their newly acquired expertise.

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Obviously he didn't wait long enough for a proper GPS signal lock or / and flicked the wrong switch,,,

 

 It happened to me in my early days building my own drones which I test flew at Montpellier, got back home 100 klms away and took off when I started loosing sight of it so I switched on the RTH only to see it fly in the direction of Montpellier,,,

So before take off wait till it has a proper GPS lock !.

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47 minutes ago, Paul De Tourtoulon said:

Obviously he didn't wait long enough for a proper GPS signal lock or / and flicked the wrong switch,,,

 

 It happened to me in my early days building my own drones which I test flew at Montpellier, got back home 100 klms away and took off when I started loosing sight of it so I switched on the RTH only to see it fly in the direction of Montpellier,,,

So before take off wait till it has a proper GPS lock !.

Have had experienced this one Paul

A friend at the strip powered up his new GPS equipped quad for a test.

this promptly took off, then flew off.

On returning home, the quad had landed, undamaged, 3 miles away from the patch, in his back garden.

 

Following this, we had a club meeting to discuss how to avoid this scary event occurring ever again.

Edited by Denis Watkins
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I'd recommend making use of voice prompts - my transmitter calls the name of my model when selected, as well as position of all key switches.  For anything unique, just use something like Audacity to record a custom voice prompt.... "check GPS" seems appropriate.  Or use the checklist feature if using OpenTX - no signal is transmitted until the checklist is dismissed.  I use the checklist if I have been tinkering, or need to check something specific.  All helps prevent accidents.

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4 hours ago, Ron Gray said:

I use iNav on my flight controllers, by default the model will not arm until the gps has locked onto sats. Sure you can override this by reprogramming but you have to physically type the command line to do this. RTH locates the position the model was armed.

 

Very sensible.

 

I only have one quadcopter and although it has RTH, it's not mandatory to get a GPS lock.  It's quite old and gets used very very rarely.  Probably going to pass it on ....

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