Subject: New CD ignition system and computer. 12c
From: paul lamar
Date: 2/17/2019, 3:16 PM
To: A10-Me-Earthlink

12c

   Josh Roux is working on a new CD ignition system computer
   specifically for the second gen ignition trigger. That is the one
   that looks a bit like a distributor. Found in late 80's RX7's. See
   the attached pictures. It will also work on an RX8 engine with dual
   triggers.

   The computer is called a Duinomite. Same programing  language
   MMBasic and features but faster and better than the Gizmo Maximite
   Color. This computer can probably do whatever a Motec can do. Many of
   the program (if not all) Maximite computer programs  will run on the
   Duinomite such as the Wankel compression tester.

   We also have  a new engine ignition trigger simulator. Here are movies
   of it working at idle and very high RPM.

   If you need an ignition contact Josh at:

   Josh <jroux1992@gmail.com

   Paul Lamar

   We used an M&W Pro 14R from OZ on the Time To Climb engine and ran
   into trouble when the battery voltage dropped below 12 volts. We had
   to add an extra 18 volts battery. The ignition alone was well over
   $1300 as well.

   I suspect it was copied from an old design by John Clark. Here is a
   pdf of an article John wrote.

   Josh plans on using US made MSD Street fire CD systems. Much less
   cost.


   Paul Lamar

Here is a Maximite program I wrote to test a crank angle sensor.

--------------------------------------------------------------------------
Mode 1

  SetPin 8, 6, 10
SetTick 1000, 20

idle:
 GoTo idle

10 start:
RPM = RPM +1
  IReturn

20 RPMRoutine:
RPM=RPM*60
Cls
Locate 30,30
Print "RPM = ";RPM
RPM = 0
IReturn
--------------------------------------------------------


Tjhe LM1815 chip is probably found in all the worlds car computers as it cleans
up the mag crank angle sensor signal. Converts it to a nice pulse.

We will attach a DC motor to a real 2nd gen crank angle sensor.

Paul Lamar


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