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Recent content by tomthorp
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Two Strokes Strike Back
Great article http://twostrokemotocross.com/2009/06/two-strokes-strike-back/- tomthorp
- Thread
- Replies: 10
- Forum: Engine & fuel engineering
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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...- tomthorp
- Thread
- Replies: 7
- Forum: Engine & fuel engineering
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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...- tomthorp
- Post #19
- Forum: Engine & fuel engineering
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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- tomthorp
- Post #9
- Forum: Engine & fuel engineering
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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...- tomthorp
- Post #4
- Forum: Engine & fuel engineering
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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- tomthorp
- Post #38
- Forum: Engine & fuel engineering
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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...- tomthorp
- Post #36
- Forum: Engine & fuel engineering
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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...- tomthorp
- Post #3
- Forum: Engine & fuel engineering
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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...- tomthorp
- Post #35
- Forum: Engine & fuel engineering
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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...- tomthorp
- Post #23
- Forum: Engine & fuel engineering
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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...- tomthorp
- Post #17
- Forum: Engine & fuel engineering
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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...- tomthorp
- Post #14
- Forum: Engine & fuel engineering
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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...- tomthorp
- Post #11
- Forum: Engine & fuel engineering
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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...- tomthorp
- Post #7
- Forum: Engine & fuel engineering
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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...
