The planes, which will have 10 to 50 seats, are scheduled for launch in the early 2020s.
Zunum is three years into development.
With its regional aircraft, Zunum aims to democratize access to fast, affordable travel over distances of 700 miles at launch, to more than 1,000 miles by 2030.
Among the many advantages hybrid aircraft will offer, according to Zunum, are the following:
Decrease door-to-door travel times on busy corridors by 40 percent and cut travel time on less-trafficked corridors by 80 percent;
Sharply reduce operating costs, enabling ticket prices 40-80 percent below current fares;
Cut emissions by 80 percent, falling to zero over time as battery densities improve; and
Cut community noise 75 percent, enabling all-hours access to smaller airports.
Zunum's Dream
Zunum is developing technologies to create a regional electric air network that will offer an affordable alternative to highways and high-speed rail. It will operate both as a point-to-point service and as a feeder to hub airports.
The company has a long-term partnership with the Center for Power Optimization of Electro-Thermal Systems, an NSF-sponsored research center at the University of Illinois.
It also works with a network of collaborators across leading universities and government labs.
Zunum has been working with the United States Federal Aviation Authority since 2014 to drive development of certification standards for electric aircraft, a complete set of which is expected by 2018. The first electrics are likely to become certified in 2020.
Deconstructing Zunum's Vision
"This is interesting but ... let's face it, Lithium-ion batteries do not have the best record on commercial airlines," remarked Jim McGregor, principal analyst at Tirias Research.
Further, Li-Ion battery cells have to be encased in liquid for safety, which "makes them very heavy and inefficient for aircraft," he told TechNewsWorld.
What's needed are batteries "with the energy capacity of a Li-ion that don't have the thermal runaway characteristics," McGregor suggested.
Still, "I like the idea of migrating to hybrid planes and I think the smaller regional planes are a good fit for regional airports not served by the larger airlines," he continued. "Zunum's financial backers, Boeing and JetBlue, could make this a reality."
Boeing on Wednesday launched HorizonX to invest in early-stage technology companies.
Cutting Into the Airline Industry
If its plans succeed, Zunum could be a disruptive influence in the airline industry.
"Think of the impact Tesla's having on the auto industry," McGregor pointed out. "The same could happen to aircraft."
Zunum "will also likely disrupt buses, passenger trains and even some shared ride and taxi car services," said Rob Enderle, principal analyst at the Enderle Group.
"You could have a fleet of these planes instead of buses transport company employees and turn some of the parking lots into short airfields," he told TechNewsWorld. "Google seems to have anticipated this with their Moffett Field location in Silicon Valley."
However, "some place like Dubai, South Korea or China will likely do this in production first," Enderle predicted, "largely because these countries are typically far more aggressive with technology and transportation."
The Rush to Electric Hybrid Planes
Interest in electric plane development has been increasing in recent years.
NASA Langley researchers successfully flew a 10-engine electric plane in 2015.
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