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Following flying my G5 into a tree a while ago, I decided to remove the Helicommand (as stabilisation has been switched off for about 3 months and it was only doing the swash mix) and rewire the electronics as a result and replace the AR7000 with an AR6200. This also involved setting up in the TX as 3 servo 120 rather than the 1 servo standard that it was with Helicommand. So effectively setting up the machine from scratch which resulted in quite different TX setup.
Have been testing and adjusting over about 12-15 flights, and now got it pretty good with the last charged battery yesterday. Timer went on TX machine was sweet and I landed, quite happy.
I removed the canopy to unplug the Deans from the LiPo and noticed a narrow ring about 2mm wide marked all round the motor can…. Closer inspection revealed it to be where the wires from the Lipo to the SportBEC (external switched BEC – I do not use the internal BEC in the FlightPower 40A ESC) had somehow been pushed back to make contact with the spinning motor. The Negative wire had a fair section of the insulation worn away and some 6 or so of the 32 strands of fine wire were cut through. The positive wire had a larger area of insulation worn away and there was only a single strand of the 32 still connected and there was quite a gap that it spanned, say 2mm!!!!!
My lucky day – maybe I should have bought a Lottery ticket yesterday!
Deans removed, SportBEC feed wires cut back beyond the damaged bits and new connections soldered up and routed so it cannot happen again.
This aspect of the installation was about the only bit not changed - and has been in place for well over 200 flights.
Lucky escape indeed!
Have been testing and adjusting over about 12-15 flights, and now got it pretty good with the last charged battery yesterday. Timer went on TX machine was sweet and I landed, quite happy.
I removed the canopy to unplug the Deans from the LiPo and noticed a narrow ring about 2mm wide marked all round the motor can…. Closer inspection revealed it to be where the wires from the Lipo to the SportBEC (external switched BEC – I do not use the internal BEC in the FlightPower 40A ESC) had somehow been pushed back to make contact with the spinning motor. The Negative wire had a fair section of the insulation worn away and some 6 or so of the 32 strands of fine wire were cut through. The positive wire had a larger area of insulation worn away and there was only a single strand of the 32 still connected and there was quite a gap that it spanned, say 2mm!!!!!
My lucky day – maybe I should have bought a Lottery ticket yesterday!
Deans removed, SportBEC feed wires cut back beyond the damaged bits and new connections soldered up and routed so it cannot happen again.
This aspect of the installation was about the only bit not changed - and has been in place for well over 200 flights.
Lucky escape indeed!
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