Projects

 

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PARSONAGE TECHNOLOGY  -  Some Past/Present Projects are described in this section of Peter's website.  Please look through them below:

Using a BREADBOARD in Digital Electronics

If you use POWERPOINT you might like to have a look at a presentation I wrote as part of my university studies, in training to teach technology:

THE DIGITAL BREADBOARD

 

University studies for Peter

In 2009 Peter did extramural studies with The University of Waikato to complete the course: Graduate Diploma of Teaching (Secondary). He did this in order to be better prepared for the evening tutorial classes that he offers for local secondary school students.  If you would like to see how Peter sees himself as a teacher please have a look at this YOUTUBE video clip:

http://www.youtube.com/watch?v=qaTjeJEiO74 

 

CORNER REFLECTOR ANTENNA (October 2008)
This antenna was designed and built in order to have the very high gain needed to pick up the very tiny radio signals being radiated from a transmitter operating from inside a cow's tummy.

 

The frequency used for design purposes was 434MHz, and the radio receiver being used to determine the signal strength was an AOR AR8600 Mk2.

Contact me by email if you want any electronic or radio equipment designed and built to suit your requirements.  My email address is batpro@clear.net.nz and I look forward to hearing from you.  Thank you - Peter

 

The RODREP Rodent Repeller (August 2008)

Chases away RATS and MICE

The RODREP is a very new Kiwi Device.

RodRep is much kinder than a trap in that it does not hurt the rats or mice.

RodRep is easier to use than rat traps (and will not hurt your fingers),

RodRep is safer than poison bait that could be eaten by domestic pets or children.

 

RODREP works because it is built as a high power (up to 30 Watts) ultrasonic sound emitter. It generates sounds with frequencies that are too high for humans to hear, in the range of 24kHz to 65kHz. Now rats and mice can hear these high frequencies and they find the continued and varying sound to be unpleasant, so they go away to find another place to live. That is good.

 

Various other projects from my past work are discussed below:

 

WOODGAS - ANOTHER SOURCE OF ENERGY

WOODGAS can be used to power petrol vehicles, and drive petrol engines being used to generate electricity. Not as easy as using BIODIESEL in diesel vehicles but the technology was used on more than one million vehicles during the Second World War. An Australian vehicle modified to run on woodgas can cover 2kms per kg of wood used. It can be done - can a Kiwi get 2.5kms/kg wood?.

This easy to understand and elementary booklet is the best way to get started, and have a go at cooking with WOODGAS. As a first step towards learning about woodgas this booklet describes (with pictures) my experiments in building a small stove that generates woodgas and then burns it to produce heat. When you have achieved this first step you can start thinking about the possibility of using woodgas to fuel a vehicle - that is too big a topic to have been included in this booklet.

"Woodgas - You can Make it at Home" is a small booklet describing the surprisingly simple process involved in extracting a combustible gas from wood. In this booklet I have explained the growing need for WOODGAS as an alternative source of energy - one that is freely available in NZ, and one that CAN BE CARBON NEUTRAL. We NEED woodgas!

This is a great resource booklet for high school techology projects too. An innovative teacher can teach lots of science and material technology by using this easy read.

I sell these booklets on TRADEME.  Here is a typical link to my listing:  http://www.trademe.co.nz/Trade-Me-Motors/Car-parts-accessories/Oil-additives/auction-195197898.htm   If that one is sold then check out my "other listings" on TRADEME or email me directly, as per the CONTACTS page of this website, and I would be only too happy to help you.  Cheers - Peter
 

The ParTec HYDROLYZER MkI

This was a very interesting project.

What is it?  It is a system designed to use electricity from your vehicle's battery to split water up into HYDROGEN and OXYGEN.  These gases are combined with the air entering the inlet manifold and they will assist the petrol (or diesel) fuel to burn more efficiently so that you can travel further on a tank full of fuel.  Very useful in these days of high fuel prices.  The picture below shows my prototype system presently being used to determine the required parameters so that I can build a commercial unit that will be made available to the public.

There is a lot of debate at present about this concept of using electrolysis to produce HHO gases (Hydrogen + Oxygen gases) with many claiming that the very small amounts of gas produced cannot possibly improve fuel economy.  On the other hand there are many people who have bought these systems from overseas and they are claiming reductions in fuel consumption as high as 40%.  I am somewhat more conservative in my estimates but if I can achieve a 20% saving then I will be very contented. 

More information will be presented here as this project matures, but if anyone would like to discuss it with me then I can be contacted by email at: batpro@clear.net.nz .  I look forward to hearing from you - Peter.

My testing can find NO IMPROVEMENT in fuel economy when using this device so I am rather sceptical (now) of other claims I read about for similar devices.  No further work will be done on the ParTec Hydrolyzer unless I discover some new information - Peter

 

Water Injection System developed

A new approach to utilising old technology has been demonstrated to give significant savings in petrol being used.  It has other benefits too, keeping the inside of the engine clean and reducing harmful "Greenhouse Gas" emissions.

Tests conducted by The "University of Auckland" in October 2005 gave encouraging results.  The system developed, when implemented in the simplest possible way, gave fuel savings of 10.5% and reductions in greenhouse gas emissions ranging from 11.5% up to 56% depending on the gas (carbon monoxide, carbon dioxide, and nitrous oxides).  Those are really quite amazing results!  It would be possible to implement this technique in a distinctly different and much more refined manner that should lead to even better reductions in both fuel usage and greenhouse gas emissions.  With oil reserves rapidly being depleted it is important that we utilize what remains more efficiently, and this could be the most economical approach.

A great deal more could be accomplished in this particular field, and so I continue to be interested in it.  If anyone would care to discuss this work with me then please send me an email at: batpro@clear.net.nz .  I look forward to hearing from you - Peter.

 

Data Link, to operate from within an animal

    

UHF Receiver, Yagi Antenna ...... UHF Transmitter, Helical Stub
 
 
Radial Electric Engine design/development

A great deal of work, and many thousands of dollars, has gone into this project.  There still remains a great deal to be done.  This is unlike a conventional motor in that it was never intended to provide huge amounts of torque.  It is really more like a flywheel energy storage device, with the vehicle's mass replacing the flywheel mass and the solenoids inputting energy to the system as the energy is used when the propelled vehicle travels along.  The concept is rather unusual - that makes it very difficult for others to understand with the net result being that R&D funding is difficult to attract.  Peter is continuing with it in his own time at his own expense.  A very interesting challenge.

Kevin, Peter, Maurice with the Radial Electric Engine

After the many hours (>3000) spent on this project Peter has an ongoing interest in ANYTHING to do with electric motors and electric vehicles (EV's).

Long range data link using a light beam

This was a system I designed/built for POWERBEAT, a Hamilton based R&D company.  It sends data over an ordinary (ie non-coherent, NOT a laser) lightbeam.  Very wide bandwidths are readily achievable and performance is way in excess of expectations.  PowerBeat call the system "MegaMantis".  Click your mouse HERE to go to a descriptive website and learn more about it.

 

High visibility countdown timer/display

 

 

 

 

 

 

 

 

 

 

 

Established test laboratory for quarry

Peter in the Test Lab he established

Peter has interests in any field where technology can be utilised.  He greatly enjoyed the time spent setting up this Test Lab, and derived great satisfaction from implementing a system to clean the waste water used on the quarry site.

BatteryGuard lead-acid battery protection system design

This is a method that measures the internal resistance of a lead-acid battery and uses that information to determine the state of charge.  When the charge falls below some preset amount (eg 50%) the load is disconnected thereby preventing a potentially damaging deep discharge.  On any change in the load characteristics (eg an attempt to start the vehicle) the battery is instantly reconnected and should have sufficient charge remaining to perform the desired function.

Wrote book: "Digital Electronics Engineering"

This book was published by Longman Paul Ltd in 1986 so it is long out of print but Peter still refers to it from time to time.

 

Last Revised: 16 March 2010 10:59 AM

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