Biofuels from Many Sources

Dean Sigler Biofuels, Hybrid Aircraft, Sustainable Aviation 0 Comments

We’ve looked at an array of different biofuel sources ranging from used cooking oil and algae to farm and municipal waste.  This is essential as the percentage of airline emissions becomes a bigger part of our overall greenhouse gas situation.   The Guardian reports, “A 2017 estimate said air travel accounted for 2.5% of all carbon dioxide emissions, with the total emissions expected to quadruple by 2050.”We’ll look here at how some of the early efforts have panned out and examine a late-breaking surprise or two. Mustard Seeds? According to the Guardian, “A Qantas plane powered partly by mustard seeds has become the world’s first biofuel flight between Australia and the United States, after landing in Melbourne on [January 30, 2018].” …

The Coming Golden Age of Electric Air Races?

Dean Sigler Batteries, Electric Powerplants, Hybrid Aircraft, Hydrogen Fuel, Sustainable Aviation 1 Comment

An Electric Great Air Race 100 years ago, a great air race – “The Great Air Race” – in fact, was held with competitors flying from Great Britain to the Northern Territories of Australia.  Crews had 30 days to make the trip, and considering the reliability of engines at that time and the primitive nature of aerial navigation, very little time to relax. Of the six teams that entered, only two made it, three crashing (two fatally) and a fourth team being imprisoned in Yugoslavia as suspected Bolsheviks.  Only two teams finished, and only one received the 10,000 Pound Sterling prize (about 544,577 pounds today – over $775,000), enough to cause the six crews to accept the high risk  involved. …