H3X Technologies YC Application

Winter 2021Active

H3X Technologies went through Y Combinator in the Winter 2021 batch as a Industrials company. Below: what the company does, who founded it, and its application to YC, reconstructed question by question in the real YC form.

YC batch: Winter 2021
Industry: IndustrialsAviation and Space
Team size: 58
Status: Active
Launched: 2021

Founders

Eric MaciolekFounder
Jason SylvestreFounder

What H3X Technologies does

At H3X, we are making the lightest, high-power electric propulsion systems in the world to enable a large-scale revolution in aircraft electrification. Our first product is a 250-kW (335 HP) integrated motor drive in an 18 kg package. It combines the electric motor, inverter, and gearbox into a single powerful unit and is the culmination of patent pending innovation in multiple areas.

H3X Technologies's YC application, reconstructed

Y Combinator application

H3X Technologies, Winter 2021 batch. The real form questions, answered from public data.

Founders2
Company7
Progress7
Idea4
Equity3
Curious2
Batch Preference1

Company

Company name

H3X Technologies

Describe what your company does in 50 characters or less.

The lightest electric aircraft motors in the world.

What is your company going to make? Please describe your product and what it does or will do.

We make high-power electric propulsion systems for aircraft, starting with a 250-kW motor drive that integrates the motor, inverter, and gearbox into a single 18 kg unit. This reduces weight and complexity for electric aircraft, enabling more efficient and practical electrification in aviation.

Where do you live now, and where would the company be based after YC?

We live and work in Denver, CO, and the company will continue to be based there after YC.

Explain your decision regarding location.

Denver offers a good balance of aerospace engineering talent and cost of living. It's where we built our first prototype and where our team is located, so staying here lets us move fastest.

21 more answers in the full application

Founders, Progress, Idea, Equity, Curious, Batch Preference are in the full version. Create a free account to open it in YC Insights, next to every other YC batch.

See full application

Frequently Asked Questions

Is this the real H3X Technologies YC application?

No. Y Combinator keeps submitted applications private. This is a reconstruction: the real YC form questions, answered from H3X Technologies's public data (launch notes, founder backgrounds, product description). It shows how a company like H3X Technologies would present itself to YC, not the text they submitted.