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copy of email conversation with an owner Posted by MJM [Email]  (#872) [Profile/Gallery]
(more from MJM) on Tue, 29 Jan 2002 12:00:07
In Reply to: Re: Found this explaination on a website..., Mike Kaehny, Tue, 29 Jan 2002 11:22:30 Members do not see ads below this line. - Help Keep This Site Online - Signup |
I hope this isn't too confusing, I asked questions and his answers follow each Q. There was an article in an early '95 or '95 Car and Driver. They broke the Sensonic SET they were testing.
<< Certainly an interesting piece of machinery. From your initial post, I'd been wondering if you'd gone through the hoops of certifying an EU car for the States. Making your own seems "much" more reasonable then dealing with the hassles of importation.
Yep! I realized that REAL fast. It was going to cost a lot more time and
money to fight the gov and Saab Cars USA than to just buy the parts and build it myself.
Is the transmission the regular 5spd., or is there a unique Sensonic
transmission?
With the exception of the holes in the gearbox to accept the sensors, the
gearbox is the exact same as a standard five-speed. All of the gears,
bearings, forks, syncros, races, etc. interchange.
I'm also curious about the sensors. How does the gear selector sensor
work? I don't know the internals of the Saab tranny, but from other
manuals, I'd think that tracking the position of the shift forks would be
easiest, but as an engineer, I'd prefer to track the location of the gears
themselves.
The selector sensor tracks the movement of the gear shift selector shift. It is clipped to a small roll-pin attached to the gear shift selector detent assembly.
What about the gearshift motion sensor? The easiest route
would be to simply track up/down motion and either go up or down a gear,
but the elegant solution would be to track the "H" pattern to allow the
driver to skip a gear if so desired.
To be honest, I'm going to have to read up on it. The sensor is mounted to the side of the shifter. It senses yaw and pitch......
How robust are these sensors?
Which leads to the next part of the answer. This is the weak part of the system. It wasn't a bad design, per se. It was plagued more with lackluster vendor quality.
How about the clutch temp. sensor, does it use a special clutch disc or pressure plate?
Nope. It uses the exact same clutch, but there is an NTC sensor screwed into the top of the bell housing.
It's interesting that it uses a hydraulic actuator for the clutch, that
wasn't used on the "regular" cars until '97 or '98.
Makes you wonder how long it will be before Saab releases a hydraulic
retrofit kit for the 94-98 900s.....
Obviously, the system was available for a while, which is something I
wasn't quite sure about, but do you know when and where? The C&D article
mentioned that Saab was looking at a New York/LA release only. How much
was the option? The system was available from 1994 - 1998 in Europe only.
It costs as much as the automatic transmission option, another reason for
it's failure. I don't know the exact price of the auto trans at that time, but I'll find out.
posted by 146.186.23...
, Tue, 29 Jan 2002 12:00:07 <-- Viewing This Message
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