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Do-It-Yourself Turbocharger Turbojet

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Published on Nov 10, 2007

This is a run-up of my home built turbocharger turbojet engine. Long, but maybe of some interest to other engine builders. It is quite old now and dated somewhat and I now know far more about jet engines than I did then. Please go easy on me guys... It is my first video!
I would like to issue a challenge to all fellow Do it Yourself Turbojet engine builders and brushless electric R/C park flyer hobbiests/manufacturers out there.
Please comment and discuss the feasibility of mounting a small "outrunner" style permanent magnet brushless electric motor to the compressor side of this and similar engines. I realize that shaft harmonics and bearing limitations will play a very significant role in whether or not such a motor/generator combination would hang together at 140000 RPM or more. Of course, associated power electronics with the ability to switch from starter motor to DC generator would need to be designed as well to efficiently (relatively speaking) produce electricity at these ultra high speeds.
Such a device would mimic some of the hybrid turbocharger or "electrically assisted turbochargers" that have been developed by Garrett and others in recent years. These have been designed, developed and built to reduce "turbo lag" and recover wasted energy in the form of electricity with the intention of supplementing the charging system in vehicles. They have not quite made it to market yet in any production vehicles that I know of. I am crossing my fingers!
A hybrid turbocharger in my opinion is the Holy Grail for DIY Turbojet enthusiasts.
Once this exists as an off the shelf device, a whole world of potential uses opens up!
An inexpensive, simple, robust turbojet engine! Heat and electricity with only one moving part!
Imagine a tiny turbocharger based boiler in your basement that would heat your home, heat your domestic water AND charge your batteries in an off-grid or grid tied electrical system.
It would easily burn almost any conventional fuel including natural gas, propane, diesel, kerosene, waste oil, waste vegetable oil, bio-diesel, pellets, garbage and even wood logs as has been proven with the proof of concept device built by myself and Mark Nye at Nye Manufacturing and featured on The Discovery Channel's Daily Planet.
Your comments and discussions about how a PM motor generator could be adapted to this task are anticipated.
As promised, I am currently (slowly) working on a large afterburning VT-50 based engine (actually three of them) that will hopefully produce a combined two or three hundred pounds of thrust and be featured on Youtube soon.
I would like to run all three together in a stretched Quad ATV or mini dragster to take around to the car shows and make some noise. My concept for this engine will to both fuel and lubricate it with waste motor oil. Hopefully I will be able to offer construction plans and combustion chamber kits if it is successful and interest warrants it.
Thanks for looking! Good luck with your projects!

Overkill396

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