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Recent content by tomthorp

  1. tomthorp

    Two Strokes Strike Back

    Great article http://twostrokemotocross.com/2009/06/two-strokes-strike-back/
  2. tomthorp

    Liquid LPG Injection

    It appears Orbital will be furnishing OEM and Retro-fit(after-market) kits. Orbital aims to freshen LPG's image Gas gains: Manufacturers such as Ford will swing to sequential liquid LPG injection, according to supplier Orbital. Next-gen liquid-injection 'will improve performance, cost of going...
  3. tomthorp

    Direct Liquid Propane Injection?

    Vialle makes what they call their "LPi " system. It injects liquid LPG (and gasoline, if dual fuel) into the intake manifold close to the intake valve. They have a detailed listing of makes and models of vehicles they make the systems for. http://www.vialle.nl/home.html?L=1 Orbital recently...
  4. tomthorp

    Acetone as fuel addtive? Any real information?

    Check this out:http://finance.groups.yahoo.com/group/oec2/message/21057 And specifically :http://pesn.com/2005/03/17/6900069_Acetone/ Lots of good info. Have a nice day, Tom
  5. tomthorp

    Info about twostroke direct injection

    lassie 80, Check these out: http://www.orbeng.com/orbital/ http://www.synerject.com/index.html http://finance.groups.yahoo.com/group/oec2/messages http://www.envirofit.org/ http://www.ucalfuel.com/inside/pressrelease.htm Patents and SAE papers by Orbital are too numerous to list(numbering...
  6. tomthorp

    DI Engines

    What do you want to know Greg? Here's their website:http://www.orbeng.com/orbital/ Here's a club where we discuss various aspects of Orbital Engine:http://finance.groups.yahoo.com/group/oec2/messages Let me know what you are looking for. Tom
  7. tomthorp

    DI Engines

    Caterpillar Patenting Diesel Engines With OCP Fuel Injection We all knew it was only a matter of time before the diesel manufacturers started using OCP. I say this bexause Mercury Marine is now selling Optimax out boards burning JP-5 to the US Military. Also E P Bassus is converting Tohatsu...
  8. tomthorp

    HPDI vs low pressure air assisted direct injection

    Check out : http://finance.groups.yahoo.com/group/oec2/messages http://www.orbeng.com/orbital/whatsNew/whatsNew.htm Orbital, GM and many others have done extensive studies comparing the 2 systems. Many of these are listed on Orbital's website and discussed at length on the oec message board...
  9. tomthorp

    DI Engines

    Kimbo 1, No I don't work for Orbital, but I wish I did. I do happen to be a long time stock holder in OE. Check it out:http://finance.yahoo.com/q?s=oe&d=t, http://groups.yahoo.com/group/oec2/messages/?expand=1. As far as humble pie is concerned, no problem, I've been eating it all my life...
  10. tomthorp

    DI Engines

    Jay, Don't believe everything you read. A lot of this stuff is 50% hype and 50% BS. I do not think they are even offering a "gasoline" DI engine. In fact Peugeot is starting to switch it's scooters to OCP this year. " are they slow learners, or ahead of the pack?" You be the...
  11. tomthorp

    DI Engines

    Charlie, here is an article which tells part of the story and only part of the truth. The fact is that Mitsubishi lost zillions on their HPDI systems. Exceprts : Automotive News, Oct 15, 2001 Mitsubishi moves to stem sales drop; Automaker projects 3% downturn in U.S. (Brief Article) James B...
  12. tomthorp

    DI Engines

    Hi Charlie You are right, Bosch, Mitsubishi, and Siemens; all all have made the same or similar mistakes and failed miserably at HP GDI. These guys aren't exactly industrial lightweights, which leads me to believe there is some inherent physical problem that they are banging their heads on...
  13. tomthorp

    DI Engines

    charlie, I'm not sure how to answer your post until you have done some basic homework. New CIDI and SIDI are complicated engines. Bosch, Mitsu. and Siemens websites and some other Gasoline HPDI manufacturer's websited are full of bull. All current 4S Gasoline HPDI systems are total failures and...
  14. tomthorp

    DI Engines

    This may answer some GDI questions: Who makes 2S and 4S GDI Systems faq71-169 Orbital Engine company has many 2S air assised direct injection system in production vehicles today. Customers include Mercury Marine, Bombardier, Tohatsu, Aprilia and many others. In the past few years OE has...
  15. tomthorp

    Who makes 2S and 4S GDI Systems

    Orbital Engine company has many 2S air assised direct injection system in production vehicles today. Customers include Mercury Marine, Bombardier, Tohatsu, Aprilia and many others. In the past few years OE has been working with 10 major automotive companies and has several concept engines...

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