Kitcarlson EMS update, Engine Management System Development Options

[KitCarlson]

A Status Report:

Things are going well on the EMS development.

The hardware has been excellent, no failures, or known limitations.

The DIS with user programmable RPM and MAP advance control has worked great! Sensing means has been trouble free. The dual coils have been replaced by one quad terminal coil (a mechanical change for simplicity). There is a tach output to interface directly to a 914 tach.

The injection strategy was modified to inject a bank every 2 engine revolutions instead of every revolution. This reduced the injector error at short injector times.

Battery voltage compensation for injector open time and dwell are implemented.

Starting fuel feature implemented (Cold start valve not required).

TPS change (derivative) enrichment implemented (An improvement over throttle switch).

Temperature enrichment is implemented. Weather is starting to cool down now for better setup and testing.

A case has been designed by volunteer Mark Bland. He is also a 914 owner. He is also designing the sensor interrupter for manufacture.

Fuel pump, master relay drive, and stall shut-off impemented

Testing on a kitcar with a type3 engine in progress. Runs very well, a great improvement over the carb. Started without hesitation the first try. What a warm feeling!
Why type3 instead of 914?, the kitcar tail is removed with 2 bolts, for easy engine access. Type3 is a baby 914. 914 application comming soon.

An improved bench simulator, and test set has been developed.

A software programmer is developing PC application to dress up the MMI, all setup at the present time with a VT100 terminal emulator running on a Palm® or PC. Setup screens will be posted on my website.

I need a Dyno. Any leads on a reasonably priced ones are welcome. Interested in both engine and chassis types. Even consider a tractor dyno, driven by an axle.

That's all folks!

KitCarlson Please visit http://home.mindspring.com/~dave.c/kitcarlson/