Many ideas have been tested recently and sometimes more than one at a time. This has at times caused a decrease in mileage from what we are used to. The intake vaporizer, especially with the intake air heater seems to have been a rabbit trail. Since we installed the intake air heater we have consistently achieved disappointing results. About the same time the heater was removed we discovered a fuel leak in the fuel heater caused by the fuel line off the fuel heater rubbing against a bolt and wearing a hole in it. There had been a fuel smell under the hood for a few weeks so this fuel leak may have caused the disappointing results attributed to the air heater.
Electronic Control Advances
Since the last newsletter we have designed a new electronic control circuit (#3) and improved on the shortcomings of our previous new circuit (#2). What was discovered is that when we adjusted the fuel ratio with the #2 circuit a change was being made to the ignition timing advance map as well. This gave us a typically too advanced timing for the conditions of the engine. We have since recovered some of the timing change but may still be able to do more to optimize the fuel ratio and the ignition timing advance.
In the mean time we discovered a few things about the operation of the ECU and took advantage of the new information with a third alternative to electronic circuits. Our third circuit is as easy to build as the second and once used it can be shut off until the vehicle battery is disconnected or when the "check engine" light needs to be reset for an emissions inspection. Addendums and changes to our manual have been made to include all the newest discoveries.
Hydrogen Power Boost
A local horsepower enthusiast who is brother to my daughter's best friend expressed some interest in Hydrogen Boost as a horsepower booster for his hot rod. After Pete signed a licensing agreement we had a consultation for four hours and discussed the changes needed to produce an extreme horsepower booster for any engine. The goal was to design a system that could achieve a short term horsepower boost (say 25 to 50 horsepower for 5 to 15 seconds) without the damaging affects of a NOS (nitrous oxide) system. Of course any system that would give a boost of that much power would likely have some potentially damaging affect on the engine.
The present Hydrogen Boost system has already been proven to boost the maximum horsepower available with the Hyundai Excel by up to 4.7% (see August 29, 2001 Newsletter report). We have confidence that the Hydrogen Boost system can be modified to produce the desired power boost, described as similar to a NOS system. This system will have to break some of our usual rules (like never accumulate the explosive gases) but the concept is viable and it would have a ready market if proven safe. NOS system owners are weary of having to purchase that expensive bottle of nitrous oxide, which the Hydrogen Boost system would eliminate. Our system would manufacture the explosive gases on board during normal driving conditions and accumulate them for injection during the power boosting operation.
If you are interested in an alternative horsepower booster to the NOS system, please contact us about your interest.
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