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This Solicitation opportunity from National Aeronautics and Space Administration was posted on August 19, 2019. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Less Iron and More Switches Increase Range

Closed
A1.07-7982SBIR / STTR

Contract Overview

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NAICS: 334513
New
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Government of Canada / Gouvernement du Canada

POSTED

1 day ago

DEADLINE

in 15 days
NAICS: 334513
New
DIBBS
ELECTRONIC CONTROL
Solicitation # SPE7M5-27-T-1588
Solicitation SPE7M5-27-T-1588, issued by the DLA Weapons Support Active Devices Division, is a request for quotations for four electronic control units, identified by NSN 5999014946380 and Allison Transmission Inc part number 29517016. The units must be manufactured in accordance with TDP Rev A Gen 2, specifically Basic Drawing NR 19207 12378790 Revision C and Reference Drawing NR 19207 12378790-005 Revision 09. The manufacturer's inspection system is required to comply with SAE AS9003 or ISO 9001 tailored to SAE AS9003. Delivery is required within 119 days, with a need ship date of March 9, 2027, and an original required delivery date of May 1, 2027. Shipping is FOB Origin, with the destination being the DLA Distribution DDSP New Cumberland Facility in Pennsylvania. The contract mandates strict adherence to MIL-STD-2073-1E for packaging and MIL-STD-129 for marking, alongside DLA packaging requirement RP001. Key compliance requirements include a Cybersecurity Maturity Model Certification (CMMC) Level 2 Self-Assessment and adherence to the Buy American Act and Berry Amendment. Inspection and acceptance will occur at the origin per FAR 52.246-2. Contractors must utilize the Wide Area WorkFlow (WAWF) system for all electronic invoicing and receiving reports. Quotations were due by November 9, 2026, and must be submitted via the DIBBS system.
DLA WEAPONS SUPPORT ACTIVE DEVICES DIVISION

POSTED

1 day ago

DEADLINE

in 1 day

AI Contract Overview

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This NASA SBIR solicitation, titled Less Iron and More Switches Increase Range, focuses on enhancing the efficiency and power density of electric propulsion systems for small aircraft, specifically targeting the X-57 cruise motors. The project aims to improve upon current prototype metrics by implementing rigid windings formed in situ to increase slot fill and utilizing a 99.5 percent efficient inverter featuring massively parallel, wide bandgap power switches. This scalable design separates the inverter into independent brains and brawn sections, allowing for distribution within the motor case to improve fault tolerance and thermal integration, which is expected to result in an effective range enhancement of approximately 8 percent. The primary objective is to demonstrate low loss winding and inverter designs at a scale equivalent to X-57 propulsors. Key work activities include dyno testing a second iteration of a 650V distributed inverter, a five inch 20kw plate wound dual star motor, and a rewound NASA prototype X-57 cruise motor. Deliverables for the project include a complete X-57 high lift motor propulsion element, a cruise motor with improved windings, dyno test reports, quarterly reports, and a final report with SF298. This technology is intended for applications ranging from 10 to 100kW, making it relevant for main propulsion, electric actuation, and auxiliary drives within the aerospace and military sectors.

General Info

NASA SBIR project enhancing X-57 electric propulsion efficiency to increase aircraft flight range.

Documents

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Timeline

PhaseClosed
Posted

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Organization & Contact Information

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AgencyNational Aeronautics and Space Administration → NASA SBIR/STTR Program
Contacts4 people available
OfficeUSA

Interested Companies (1)

Full Description

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Current prototype motors and inverters for small aircraft electric propulsion have impressive efficiency of about 95 and 97% and typical power density of a little over 2kw/kg and 5kw/kg respectively. We can improve each of these metrics with a rigid winding which is formed in situ to increase slot fill and a 99.5% efficient inverter based on massively parallel, wide bandgap power switches. With independent Brains and Brawn sections, the inverter is scalable and can be distributed within the motor case, allowing fault tolerance and thermal integration benefits. The reduced weight and cooling needs represent an effective range enhancement of about 8% when configured for the X-57 cruise motors. Current prototype motors and inverters for small aircraft electric propulsion have impressive efficiency of about 95 and 97% and typical power density of a little over 2kw/kg and 5kw/kg respectively. We can improve each of these metrics with a rigid winding which is formed in situ to increase slot fill and a 99.5% efficient inverter based on massively parallel, wide bandgap power switches. With independent “Brains” and “Brawn” sections, the inverter is scalable and can be distributed within the motor case, allowing fault tolerance and thermal integration benefits. The reduced weight and cooling needs represent an effective range enhancement of about 8% when configured for the X-57 cruise motors. Objective: Demonstrate low loss winding and inverter design at a scale equivalent to the X-57 propulsors. Work Summary: Dyno test second iteration of 650 V 99.5% efficient distributed inverter Dyno test a five inch 20kw plate wound dual star motor Dyno test a rewound NASA prototype X-57 cruise motor Deliverables Complete X-57 high lift motor propulsion element Dyno test reports Cruise motor with improved windings Quarterly reports Final report with SF298
Benefits: Scalable technology, at least 10-100kW for main propulsion, electric actuation, auxiliary drives etc Our innovations are relevant to any motor and inverter application with a high demand for performance, typically aerospace and military

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