Westmag Motors Aims for US Motor Dominance

America's burgeoning drone and robotics industries are fundamentally reliant on motors built overseas. Westmag Motors, founded by David Hansen and Jordan Sanders, aims to change this by establishing a domestic manufacturing powerhouse for these critical components. As detailed in their announcement on the a16z Blog, the company is not focused on incremental improvements but on building a scalable platform for high-performance motors and actuators.

Companies working on this

StartupHub profiles of the companies this article names, with funding and a one-liner from our database.

Terafab

$55.0B

A planned semiconductor fabrication plant by Elon Musk's companies to produce advanced AI chips for terrestrial and space applications.

Teradyne

$28.0B

Designs, develops, and manufactures automated test equipment and advanced robotics systems.

Prometheus AI

$38.0B

Jeff Bezos-backed AI startup building physical AI systems for engineering and manufacturing.

Anduril Industries

$100.0B

Defense technology company developing autonomous systems and AI-enabled software for national security.

The demand for these 'muscles of every machine' is exploding. Over the next five years, the need for motors in drones, humanoids, and other mobile robots is projected to dwarf current domestic production. China alone produces tens of millions more units annually than the US.

Westmag's strategy centers on vertical integration, encompassing design, manufacturing, and supply chain control. Their 'Factory 01' in South San Francisco is designed for flexible automation, allowing a shared architecture to scale across diverse customer needs.

The company is already shipping to a committed book of hundreds of thousands of units. Their ambitious goal is to reach over 30 million units in annual capacity before 2030.

To achieve this scale and cost-efficiency, Westmag is investing upstream in subcomponent production, including electromagnet stator steel stamping and rare-earth magnet finishing. This control over the bill of materials is crucial for driving down costs and ensuring reliability.

This domestic capacity is seen as a catalyst for American innovation. A reliable, cost-effective US robotics supply chain enables companies to design faster, price more competitively, and scale without constraint. This is vital for a sector that is increasingly strategic, as highlighted in discussions about a16z: Defense is the Next Trillion-Dollar Category.

Westmag is also building partnerships with key suppliers in the US and allied nations like Japan, recognizing that rebuilding a national industry requires collaboration.

Recent regulatory shifts, such as the FCC's restrictions on foreign-made drone components, underscore the urgency for domestic solutions. For Westmag, the decision to build in America is straightforward: it's home, and the strategic importance of this industry demands it.

Westmag is rapidly scaling, moving from hundreds of thousands of units this year to tens of millions by the end of the decade. They are building the great American motor company, designed and built domestically to serve the global drone and robot market.