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The Viper starter
battery's have been mounted in to position today. I
have decided to use 4 x Odyessy PC680's, each being 12
volt, they are configured in 2 pairs wired in parallel
and then the 2 packs in series to give me 24volts. An
isolation switch has also been inserted in between the
two battery's as a fool proof way of disabling the starter
sequence.
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Guess where you
access the isolation switch? |
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The Starter motor's soft start arrangement
fitted in place. This basically was taken directly from the
trailer and welded straight to the frame. The power leads
will
be attached to the starter battery via a fork lift truck
QR connector and the control cables to a Panzer 24 way
QR connector. |
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As part of making the whole Viper
and frame assembly quick releasable, the Igniter box's
have been mounted to the Viper's frame. I have a small
concern about the heat generated from the combustion
chamber in this area, its something that I will measure
next time
the
engine
is
run.
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I wanted to keep
all the starter cables as short as possible and implement
an auto engage-disengage quick release system when the
engine was mounted, this was going to require a quite
a lot of cable and ultimately I decided that it was unacceptable
due to voltage drop. Consequently the
soft start system has now been removed from the Viper
frame and mounted to the HiJet's frame with the QR connector
mounted to its side.
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Again, not ideal in my eyes, but
it does serve it's function well, originally I was going
to keep the bed hole free, but this sacrifice does mean
that there is less than 2 meters of cable used.
Jobs
a goodun. |
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I recently had a few emails asking
how I configured the soft start system, so here is a
basic diagram of how I did it.
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Turbine failure containment shield
removed for a coat of paint. At the moment I am undecided
whether
I am going to leave the heat resistant blanket on, some
people take it off so that the condition of the exhaust
can be monitored for cracks. Its something will decide
on later.
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Pictured is the replacement electrical
distribution box that is mounted to the Viper, the main
loom enters here from the cab (bottom right) and connects
to the original Viper connector (left), there is also
a muticore lead (top right) out
to the Igniter box's and EGT thermocouples.
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View of the connector box from the
other side. |
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On the left hand side of the picture
you can see the 24 way multipole connector that connects
all of the Viper's
control circuits to the HiJet. |
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Quick release fuel system connected. |
