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Unique Mobility's Power Electronics Onboard Automated Howitzer

27 November 2000

Unique Mobility's Power Electronics Onboard World's Fastest Automated Howitzer

    GOLDEN, Colo., Nov. 27 Unique Mobility, Inc. (Amex: UQM),
announced today that its proprietary power electronics play a critical role in
two subsystems on the Army's Crusader 155 millimeter self-propelled howitzer
currently under development.  Unique has teamed with Barber-Nichols Inc.,
Arvada, Colorado, and MPC Products Corporation, Skokie, Illinois, to provide
subsystems to the program.  One UQM electronic controller drives the pump
motor providing coolant to the gun tube and the second drives the cooling fan
motor.  In recent testing, the Crusader fired at a rate of six rounds per
minute, making it the world's fastest automated howitzer.
    The Crusader has been undergoing testing at the Yuma Proving Grounds to
validate the reliability of the armament and ammunition subsystems and
demonstrate gun tube life at high rates of fire.  The Crusader is expected to
achieve a firing rate of ten rounds per minute this fall.
    "This is the first time in history that an artillery system has
demonstrated fully automated ammunition loading, pointing and firing," stated
Ted Kuriata, Crusader's Technical Director.  At rates of fire of ten rounds
per minute, the Crusader can fire the equivalent weight of an automobile in
ordnance, at a target 25 miles away, every minute.
    William G. Rankin, Unique's President and Chief Executive Officer said,
"Unique is best known for its advanced motor technology, but the same
advantages apply to its electronic controls.  The power electronics we have
developed to control our UQM(R) propulsion systems are very sophisticated,
providing microprocessor based millisecond response times, controller area
network compatibility and the ability to manage high power and high voltage
efficiently in a compact package.  Our electronics have been designed, built
and tested to withstand the harsh environment of under-the-hood operation in
both on-road and off-road applications and have a proven record of durability
and reliability.  The operating environment for electronics on the Crusader
howitzer is as harsh as it gets and we are delighted that the Army has chosen
to use our controls in this demanding application.  More and more customers
are requesting that we apply our electronic control technology to their
products, independent of our motors, which we believe will contribute to our
growing product revenue stream."
    Dan Thoren, President of Barber-Nichols said, "Unique Mobility has an
excellent staff that can engineer, design and fabricate the electronics needed
for our challenging applications.  We have come to rely on their expertise in
electronic controls for driving our pumps and fans -- like those in the
Crusader program.  We have been pleased with Unique Mobility's responsiveness
and 'can-do' attitude and expect to team with them in many future
opportunities."
    Wayne C. Penfold, Vice President MPC Products Corporation said, "We have
worked with Unique's electronics group for a number of years to develop
various electronic control products for our aerospace and military customers.
We have also performed extensive testing of these electronic products in a
variety of power levels and application environments and have found them to
not only be durable and reliable, but to also have an efficiency advantage of
more than ten percent over comparable electronic products from other companies
which we have tested.  We are pleased to be teamed with Unique on the Crusader
program and expect to continue to use their electronics expertise on future
programs for our customers."