News, facts, and comments on the coming revolution for piston-engine aircraft.
In 1998, one diesel engine flew on a converted airplane for the first time since 1945. Today, close to 4,000 singles and twins are flying. This is the beginning of a worldwide trend which will eventually allow a rebirth of the piston-engined aircraft, around new specs and new missions.
DieselAir Research, Inc., the publisher of The DieselAir Newsletter, offers strategic intelligence services to the aircraft industry, its suppliers and its customers who ambition to benefit from this global change of paradigm which will mean new markets, new concepts, new services, new materials and components… You may be interested in our services if your firm designs and/or manufactures aircraft and components, aero engines, avionics, propellers and engine components, fuel systems or additives, advanced materials, or industry specific machinery for manufacturing of these; or provides aviation services such as fuel production or distribution; flight training, aircraft chartering, maintenance and operations (FBO’s); or airport management and design, traffic control, hangar, materials handling and storage equipment; or consulting and financial services for these industries; or advertising, sales promotion, trade shows, specialized publications.
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News of July 15, 2010
Sonex Research, Inc. says: No Avgas? Here's how to burn Jetfuel in a Gasoline Engine.
I investigated today a report on AVweb on an innovative engine design which could, it says, run on Jetfuel and yet operated like an ignition engine with some proprietary improvements. It says: All it takes is the right piston, a little tweaking of the cylinder and some trick fuel injection timing. That's the general idea behind something called Sonex Controlled Auto Ignition (SCAI), which can best be described as residing somewhere between conventional spark ignition and true diesel cycles, according to Sonex's Andrew Pouring, who recently sent us a white paper on the technology. SCAI doesn't exactly mean you could convert your IO-550 to burn kerosene, but a purpose-built SCAI aircraft engine could take the same form factor and, more important, would be nearly as light as a gasoline engine. How do they do that? By controlling the combustion event and keeping cylinder pressures under 1000 PSI, just as in gasoline engines. Click here to read more.
posted at 4:37 AM
News of July 12, 2010
Probability for a Lead-Free Avgas is growing.
Read here the AVweb report: Cessna's CEO Jack Pelton has visited GAMI, the firm who proposes what could be the only credible solution to put on the market G100UL, a lead-free 100 Octane Avgas which may not request any engine modification. The real composition of G100UL is still undisclosed. We expect it is obtained through a blending of petroleum and synthetic hydrocarbons, without organo-metallic additives nor oxygenates (ethanol, ether...). We cannot imagine how it could be cheap. The report makes it clear that in the best of cases testing and approval will be completed around 2015.
posted at 10:02 PM
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Every month: news, facts, and comments on the coming revolution for piston-engines aircrafts between 130 and 400 HP: Retrofitting a diesel engine to run on Jetfuel or Kerosene, reduce Gallons/Hour by some 30%, eliminate ignition systems (magnetos, spark plugs) and their problems, eliminate mixture control, increase TBO to 2,400-3,000 hours, increase performance between 6,000 and 12,500 ft., and drastically reduce Operating Costs.
The letter is intended for piston engines aircraft owners, manufacturers, fleet operators and FBOs, re-manufacturers of engines for these aircrafts, manufacturers of engine components and ancillaries, and all professionals acting in decisions of engine exchange or refitting at TBO, in North and South America, Pacific Rim, African continent, and all parts of the world were Avgas, Mogas, Kerosene and Jetfuel are available.
The DieselAir Newsletter is a confidential publication available only as printed material sent by mail (airmail for overseas), to fully identified individuals or businesses involved in General Aviation. Forums and online content may be printed at discretion of the publisher.