Development of a Small Multi-Fuel Capable APU for Abrams, Bradley, and Stryker Vehicles

Award Information
Agency:
Department of Defense
Amount:
$728,297.00
Program:
SBIR
Contract:
W56HZV-09-C-0048
Solitcitation Year:
2007
Solicitation Number:
2007.2
Branch:
Army
Award Year:
2009
Phase:
Phase II
Agency Tracking Number:
A072-208-2467
Solicitation Topic Code:
A07-208
Small Business Information
Mainstream Engineering Corporation
200 Yellow Place, Pines Industrial Center, Rockledge, FL, 32955
Hubzone Owned:
N
Woman Owned:
N
Socially and Economically Disadvantaged:
N
Duns:
175302579
Principal Investigator
 Christopher Mento
 PI/Mechanical Engineer
 (321) 631-3550
 cmento@mainstream-engr.com
Business Contact
 Michael Rizzo
Title: Controller
Phone: (321) 631-3550
Email: mar@mainstream-engr.com
Research Institution
N/A
Abstract
In the Phase I effort, Mainstream has addressed the need for a separate auxiliary power unit (APU) for military ground vehicles by designing a naturally-aspirated, 2-cylinder, 0.726-L diesel engine coupled with an alternator that meets the strict requirements for Abrams, Bradley, and Stryker vehicles. The gen-set is capable of providing 12 kW of electrical power at sea level (8.4 kW at 10,000 ft.), and was designed specifically to fit the unique space claim requirements for all three vehicles. Performance plots (power, torque, BSFC, etc.) at a wide range of operating conditions (engine speed, ambient temperature, muffler geometries, etc.) were created. The alternator and associated power electronics for the generator include a brushless permanent magnet integrated starter/alternator with active rectification. In the Phase II effort, the prototype 12-kW APU will be built and initial performance testing will be performed. The assembly of the APU will include integrating Mainstream-designed and fabricated components (such as the engine block, flywheel, and alternator rotor and stator) with supplier components (such as the unit injectors, oil pump, piston). Mainstream will be able to successfully complete this ambitious program by leveraging other complementary programs in the development of diesel engines, electronic unit injector systems, and power electronics.

* information listed above is at the time of submission.

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