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[Cavanblue]

Hi all, I have a MFA motor installed in my ourlass 2 model with an action speed controller! I am using a planet radio also! When I went for trials in the bath, all was going good until the motor went into full astern from full ahead! It had done this a few times! Is my rx receiver to close to the speed controller or motor? None of the servo leads are near the batteries or don't run near the motor!

[Peter]

It sounds as if it is possibly going into 'failsafe' mode for some reason, e.g. loss of signal.
As the Planet is set up for aero/helicopter use this would be zero throttle, i.e. full back on the stick, but this relates to full reverse with a marine esc.
Peter

[Cavanblue]

That sounds about peter! Power supply to receiver is correct and batteries in remote are good! Can it be interference? Or is there any way around it?

[Tug-Kenny RIP]

Might the Transmitter be too close  ?


ken

[Cavanblue]

Had the boat down on our local lake today, main motor is still getting glitches in forward and astern!! And going into failsafe mode! My receiver is mounted high now in wheelhouse of model and I've added an whip aerial! It's really annoying! Could it be a faulty receiver?

[Netleyned]

You can't use a whip aerial with 2.4GHz.
The aerial length supplied is critical for best reception.
Could be a faulty RX. Some of our club members have had issues with
planet receivers.

Ned

[malcolmfrary]

2.4GHz is supposed to be immune to interference, but installations can still get non-radio interference through the power lines.  Cure for that is to fit suppressors to the motor, or make sure that the ones fitted work.
Electronic systems can be upset by sudden changes in the voltage of the power supply.  This can be due to the battery or its wiring not being quite able to deliver the current that the load wants.
Going into failsafe as suggested is a function of losing signal, or the RX thinking that signal has been lost.  This can be anything from the transmitter having a loose battery connection through to actual signal loss because of poor aerial siting at the RX end, or a broken RX.  Some RX's can be fitted with an aerial with a longer lead, but the same rules apply that the active end bit needs to be in line of sight with the TX aerial with nothing conductive in between.
Plenty of choice, and, of course, there is no guarantee that there is just one problem at any one time. 

[Stavros]

FAulty reciever or transmitter of even a faulty motor creating dirty electricity ......never had a problem with ACTion gear with any motor...............You SHOULD have fitted a 900 series motor in our lass.....WHY.........lets see........less amps drawn.........not a dirty motor.....far more power...........LONGER RUNNING TIME.........MFA 850 can draw 20 amps plus seen it been there had the tee shirt......900 only draws a MAX of 5 .................NO COMPARISON
 
 
 
Dave
 
 
 

[HUNTER]

Listen to what Malcom has written! He is correct. I have been in the business 30 years as a manufacture and never and I mean never had any problems with the electronics in a model . You won't either if you follow the simple rules. My only problem I can see is to get rid of the MFA motor. I cannot describe them with out getting into trouble. The main advice I would give you is to suppress any motor that you install in any model which has a Radio Control attached. I am sure many readers will remember the interference that Radio's used to get when the vacuum cleaner used to go past when mum was hoovering. Then the manufactures fitted decent suppression on the motor and hey presto the interference went!! By the way, Hunter Systems have got a deal on, on Suppressor Kits at the moment!!!!
Regards
Graham

2.4GHz is supposed to be immune to interference, but installations can still get non-radio interference through the power lines.  Cure for that is to fit suppressors to the motor, or make sure that the ones fitted work.
Electronic systems can be upset by sudden changes in the voltage of the power supply.  This can be due to the battery or its wiring not being quite able to deliver the current that the load wants.
Going into failsafe as suggested is a function of losing signal, or the RX thinking that signal has been lost.  This can be anything from the transmitter having a loose battery connection through to actual signal loss because of poor aerial siting at the RX end, or a broken RX.  Some RX's can be fitted with an aerial with a longer lead, but the same rules apply that the active end bit needs to be in line of sight with the TX aerial with nothing conductive in between.
Plenty of choice, and, of course, there is no guarantee that there is just one problem at any one time.

[Cavanblue]

It's a MFA 540 motor in geared 6:1! I swapped transmitter and receiver with another one but no difference! I then ran new heavier power lines from battery's! The signal wire for speed controller was loose so put in new lead and I can happily say my motor is now glitch free!!! I decided to instal the geared MFA for its high torque transfer! It's mounted on rubber feet to reduce vibration to the hull! So far I'm quite happy with it! The boat weighs a total of 18kg and it can push her along nicely at a realistic speed! Even against the tide! I can't fault the electronics one bit from action! They are brilliant and a credit to them! 

[malcolmfrary]

As a wiser man than me told me many years ago when I was an apprentice "Get as technical as you like, but look for the broken wire first".

[Cavanblue]

Haha that's it Malcolm!! One broken wire can shut down the whole show!!
So glad everything there is no more glitches! And with the receiver mounted hi it has stopped going into fail safe!