EVPlus - April 2015
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Holden pulls the plug on its Volt
Added by admin 28/04/15
has pulled the plug on its Volt electric car, even though it was
once described as its “car of the future”.
The struggling car maker, whose sales are down despite a record
start to the year, has confirmed it will not import the new
generation Volt that is about to go on sale in North America.
The announcement has dealt a blow to the electric car movement in
Australia and casts a doubt over the future of other
“In light of General Motors’ decision not to proceed with a
right-hand-drive program for the next generation Volt, Holden can
confirm that it will not be bringing this electric vehicle to
Australia,” said Holden spokeswoman Kate Lonsdale.
“Current generation Volt production has now ceased however Holden
is committed to supporting Volt customers (with parts and
Holden has sold just seven of its Volt electric cars so far this
year and fewer than 250 have been delivered to Australian
customers since the model went on sale two-and-a-half years ago.
Part of the reason behind the limited appeal of the Holden Volt
was the price: $60,000 for a car about the same size as a $20,000
The Volt had one ace up its sleeve that other electric cars
lacked; when the battery ran out after between 50km and 80km
(depending on driving conditions) a petrol motor could power the
car for a further 300km.
However, if Holden’s electric car with a back-up petrol motor
can’t be a sales success in Australia, there are grave fears held
for the longevity of other battery-only electric cars.
A few years ago the industry boldly predicted electric cars might
make up 10 per cent of all new cars sold globally by 2020; so far
this year they account for 0.07 per cent of sales in Australia.
Story and image courtesy:
Siemens' world-record electric aircraft
motor punches above its weight
Added by admin 21/04/15
at Siemens have created a new prototype electric motor
specifically designed for aircraft that weighs in at just 50 kg
(110 lb) and is claimed to produce about 260 kW (348 hp) at just
2,500 RPM. With a quoted power five times greater than any
comparable powerplant, the new motor promises enough grunt to get
aircraft with take-off weights of up to 1,800 kg (2 ton) off the
Researchers say they produced such a light but powerful motor by
analyzing all of the components of previous electric aircraft
motors and incorporating optimized improvements to these in their
new prototype. Added to this, the researchers also utilized a
range of computer simulation methods to model the motor prior to
construction, before then applying the findings to produce the
lightest and strongest set of components possible.
As a result, the new aircraft electric drive system achieves a
claimed weight-to-performance ratio of 5 kW per kilogram. This
ratio is an exceptional figure – especially if compared to
similarly powerful industrial electric motors used in heavy
machinery that produce less than 1 kW per kilogram, or even to
more efficient electric motors for vehicles that generate around
2 kW per kilogram. The four electric motors in the Solar Impulse
2, by comparison, produce just 7.5 kW (10 hp) each.
The new Siemens electric motor is also direct drive and does not
require a transmission, spinning a propeller up to speeds of
around 2,500 RPM.
Story and image courtesy:
Tesla launch AWD 70 kWh Model S70D
Added by admin 08/04/15
Motors introduces the All-wheel drive Model S 70D. Uniting
exceptional performance and drive experience features, the newest
Model S offers great value at a compelling price. Starting at
$102,400 RRP plus luxury car tax, on-road costs and stamp duty,
Model S 70D includes dual motor all-wheel drive technology, a
NEDC-rated 440 km of range, and a 0-100 time of 5.4 seconds.
In addition to dual motor, 70D comes standard with Autopilot
Hardware, Navigation, and Supercharging. And, as with every Model
S, 70D will run on the new software 6.2 and owners will continue
to receive free over-the-air updates that will add additional
functionality, enhanced performance, and improved user experience
To make room for the 70D, Tesla is eliminating the 60, which had
been its cheapest Model S since the sedan’s 2012 launch. Starting
at $76,170 before any government incentives, the 70D will cost
$5,000 more than a basic 60, though it includes use of Tesla's
proprietary Superchargers, which was previously a $2,000 option.
Model S70D will be able to travel 440 km (275 miles) between
charges and deliver 380 kw (514 hp) to all four wheels from two
electric motors -- up from 375 km (233 miles) of range and 280 kw
(380 hp) for today’s basic rear-drive Model S, called the 60.
Road & Track are quoting a 0-60 mph time of 5.2 for the 70D but
taking into consideration the slightly heavier (15 kWh more
batteries on-board) standard 85D with 188 hp motors front and
rear (total 376 hp) also records 5.2 sec, I think we can expect
significantly-sub-5 sec times from the new 514 hp Model S 70D.
Story and image courtesy:
Electric Vehicle News