Grant, would it be better to change the RX? The one that the DX6i came with didn't failsafe on all channels. Nor does it seem the Orange RX's. What RX's will always failsafe on all channels?
Also, why is the RX loosing signal at just 4m? Would a genuine Spektrum RX with remote receiver have more range?
this is the only orange rx that failsafes on all channels
http://www.ebay.co.uk/itm/OrangeRx-R710 ... 4ac0d74131
Yes your best bet would be to swap out the RX for one that failsafe's on all channels. As Dave said you need to make sure that all switches/stick positions are in their failsafe position when you bind as that's how it programs them.
I always recommend genuine spektrum gear for quality and range - but it could be a couple of things if your getting back range. Simplest way is to swap out the RX and see if its OK still. Otherwise it could be a damaged aerial in the TX. It's unlikely to be the armour in your robot blacking it as in 720 its encased in 25mm thick or so aluminium all the way around and works fine (with an Orange RX too).
Its just a case of process eliminating and see where the fault lies, even if it can take abit of time!
I will get on and do some tests tomorrow. I just need to remember to take a batt-bind plug with me
I've used both the R410 and R610's in robots ranging from 150g to 30lb and they both failsafe on all of the channels I have used. (typically aile/elev/rudd/thro)this is the only orange rx that failsafes on all channels
http://www.ebay.co.uk/itm/OrangeRx-R710 ... 4ac0d74131
Tried out the suggestions with mixed sucsess.
Rebinding solved the failsafe issue but with the armour on I am still getting intermitant signal.
Also, I have no idea is this is even possible but...
When the disc goes over 1/2 throttle I loose steering completely. Its not that I can't drive, the ESC's stop responding but I still have control over the disc speed.
Both systems are powered independently and are not joined at any point besides the receiver. I can't figure out what is going on. If anyone has any ideas?
On a different note, those who use magnets to help keep their machines on the ground, what and how much do you use?
have you suppressed your motors?
I don't know what suppressing is... [Googles] No... they are just standard GR02's. I will look into adding a small capacitor to the drive motors.
Is it possible to shield the receiver from the EM of the brushless motor? They are only about 8cm apart, if that.
The proximity of the rx to the brushless setup shouldnt be an issue, 540's rx was about 20mm from the motor and i never had any issues.
Possibly a dodgy tx/rx - you got a spare setup you can try? You done a range check of the drive going without the weapon running? you should get a few hundred meters of range easy with no armour on.
Also what you using as power for the rx? and obviously check all your batteries are charged
Receiver is powered by a 14.8V lipo, which alos drives the GR02's, through a 6V ParkBec.
I will give the batteries a good charge, test that, then change TX as well. I have the one that came with the Spektrum originally but it doesn't failsafe [The problem at Tech-Check last year] and another Orange receiver.
And yeah, I have a few pics of 540 on my phone and just spotted how close it was!
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