UK Karting - Notice Board (General Karting) : Re: Transponer + Mychron4 problems

Notice Board (General Karting)

Re: Transponer + Mychron4 problems
Posted by 'alanrr' on 10 Mar 2011 @ 21:09

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alanrrJoined: August 2001
Total Posts: 491
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If it's not flashing when it's out of the charger holder and flashes when you put it in, then it is recognising a voltage input and should charge the battery because the charger output is far in excess of what the battery requires, which is 1.2 + 1.2 + 1.2 = 3.6 plus a tad more, say 4.5 volts.

The transponder circuitry limits the voltage and I've seen them cope with up to 20 volt input without going pop.

The battery will self zener the voltage applied to it within reason anyway.

What normally happens with the three cell transponders is one cells goes open circuit and won't accept a charge due to crystal formation within it when left in a discharged state, this gets worse as the battery gets older.

The transponder can't supply enough current or voltage to overcome this phenomenon which will disappear if you could zap the individual cell with a big voltage and current for a few seconds, and although the other two cells will charge up, the one cell remains open.

The duff cell passes voltage and current but won't accept it and acts like a resistor instead of a battery.

Sorry, I'm boring, I'll shut up.

Message Thread:

Transponer + Mychron4 problems by 'SamDan' (09 Mar 2011 @ 11:45)

Re: Transponer + Mychron4 problems by 'alanrr' (09 Mar 2011 @ 11:58)

Re: Transponer + Mychron4 problems by 'SamDan' (09 Mar 2011 @ 12:07)

Re: Transponer + Mychron4 problems by 'alanrr' (09 Mar 2011 @ 15:06)

Re: Transponer + Mychron4 problems by 'RSBW' (10 Mar 2011 @ 5:37)

Re: Transponer + Mychron4 problems by 'SamDan' (10 Mar 2011 @ 18:56)

Re: Transponer + Mychron4 problems by 'alanrr' << You are here!

not boring by 'SamDan' (10 Mar 2011 @ 21:40)

I'll do it if you want NT by 'alanrr' (11 Mar 2011 @ 0:54)

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