David,
Have you spoken with Peter Senkowski in your search for parts? He is still
in production of the Raptor (as well as the T-Rex). Contact me off line for
his # if you don't have it.
-Tom True
Have you spoken with Peter Senkowski in your search for parts? He is still
in production of the Raptor (as well as the T-Rex). Contact me off line for
his # if you don't have it.
-Tom True
David Sharpe <[email protected]>wrote:
> The damage is confined to one end of the control board & appears to be
> moisture damage. The main worry I can see about fixing it is that there are
> parts no longer easily obtained. There is an HV9120P PWM controller for
> example which has the remains of a bug between pins 1 & 2 on the under
> side.
> It appears to have been there a long time as it is mummified It has also
> blown out on the top surface above pin 5. There is an IRF740 which has
> flashed from source to drain which may have initiated the failure. On the
> basis of this inspection Ill see if I can get the tricky parts & have a go
> at fixing it. David
>
> --------------------------------------------------
> From: "David Sharpe" <[email protected]>
> Sent: Monday, January 24, 2011 11:12 AM
> To: "Electric Vehicle Discussion List" <[email protected]>
> Subject: Re: [EVDL] Failed DC Power Systems Controller 144V 400A
> (1200shortterm) last fixed in 2000.
>
> > I have inspected the Raptor. There are a number of transistors that have
> > failed by blowing apart but I cannot see damage to the Mosfets. They
> > measure
> > correctly, high resistance and diode in reverse direction. They are
> sealed
> > in silicone compound. I have set of circuit drawings & will attempt a
> > repair myself. Will advise outcome. David
> >
> >
>
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--
Remember, it is not that the glass is half empty, in reality, the glass is
merely twice the size that it needs to be! -TNT'82
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