ThermaSat aims to provide a universal solution for reliable, safe, and effective space propulsion.
We plan to use our technology on any new CubeSat mission without interfering with the mission or risking payloads. This new concept may triple a satellite’s lifetime in orbit and provide major returns for those interested in providing internet/communications, imaging the Earth, doing research, or any other novel space mission.
success to date
The ThermaSat concept has been the topic of the following awards and grants:
- NSF Phase I SBIR in 2019 (ThermaSat)
- NSF Phase II SBIR in 2021 (ThermaSat)
- AFWERX Phase I SBIR in 2020 (subcontract for CubeCab w/ ThermaSat100 propulsion)
- AFWERX Phase I SBIR in 2020 (subcontract for SCORPIUS w/ ThermaSat+ propulsion)
- SPACEWERX Phase I STTR in 2022 (ThermaSat drone: ROAMER)
Many different propulsion systems exist, but none can offer a complete solution.
We believe that space propulsion is necessary for humanity’s upcoming expansion into space, but current concepts fall short of an all-purpose, safe solution. Small satellites and constellations are swarming into orbit to provide internet, imaging, research, and other services, but cannot include effective propulsion systems due to their small size and low costs. Electric systems draw too much power from the spacecraft and provide very little thrust for immediate maneuvers, and chemical systems are not allowed on ride-shares due to risk of explosion.
Propulsion systems for CubeSats have a clear need.
ThermaSat plans to provide immediate solutions for upcoming missions and scale to larger systems for major benefits for most satellites in Earth’s orbit. Projects are already underway to explore ThermaSat driven drones, observers, and debris de-orbiting solutions.
ThermaSat is dedicated to simplifying and enabling space missions in a variety of environments.
Our core technologies rely on thermal propulsion to be capable of high thrust maneuvers while limiting the impact on spacecraft operations. Our system currently in development is designed to utilize water as a harmless green propellant to reduce risks associated with traditional propulsion systems. This could allow users to safely integrate our system enabling a spacecraft that may be used for evasive maneuvers in a crowded low Earth orbit, prolong spacecraft lifetimes to increase the impact of a single asset in a constellation, and position itself in unique orbits.
ThermaSat stores thermal energy from the Sun in a molten salt thermal capacitor, which it uses during propulsive burns to provide high power operation. By using a unique optical filtration system to reject infrared wavelengths of light and absorb the rest, the temperature of the propellant rises to over 1,400 degrees F. The high power and high temperatures involved allow for the use of water propellant with no combustion or external power draw necessary.
- ThermaSat 100 (#63209022)
- ThermaSat Plus (#63209014)
- ThermaSat Solar Thermal Propulsion System (#63085915)
We intend to enter that market quickly and expand to capture a major fraction of it due to our universal nature, low cost, and high safety rating. The beachhead market of CubeSats is expected to reach USD 375M by 2023 (Markets and Markets), and may provide an opportunity to sell initial units on a small scale. As the company grows, we plan to expand into the larger markets of DoD customers, NASA, and others. Expansion into this area provides a chance to capture a multi-billion dollar market.
We intend to build ThermaSat units in-house and plan to sell them to universities, private companies, and distributors.
We have received letters of support and interest of usage or distribution of once-available ThermaSat systems from:
- Aster Labs
- Orbital Transports
- Pumpkin Space Systems
- Arizona State University
- and others
frequently asked questions
- Universe Today
A Steampunk Engine to Solve Your Satellite Woes!
- Optics & Photonics News
Company Eyes “Steampunk” Propulsion for CubeSats
Innovative design could see CubeSats "steam-powered"
- Satellite Evolution Group
Howe Industries delivers steam powered ThermaSat™ propulsion design to National Science Foundation
- New Atlas
ThermaSat design would see CubeSats propelled by jets of steam
- Auto Evolution
USSF to Conquer Deep-Space With Groundbreaking Solar Thermal-Powered Spacecraft
Use of Proceeds
If the offering's maximum amount of $1,070,000 is raised:
|Use||Value||% of Proceeds|
|Compensation for Managers||$182,000||17.0%|
|Lab Space/office rent||$110,500||10.3%|
|Engineering subcontract support||$100,000||9.3%|
|University testing facilities fees||$100,000||9.3%|
This is an offering of Common Stock, under registration exemption 4(a)(6), in ThermaSat, Inc.. This offering must raise at least $10,000 by March 24, 2023 at 8:59pm ET. If this offering doesn’t reach its target, then your money will be refunded. ThermaSat, Inc. may issue additional securities to raise up to $1,070,000, the offering’s maximum.
If the offering is successful at raising the maximum amount, then the company’s implied valuation after the offering (sometimes called its post-money valuation) will be:
These financial statements have been reviewed by an independent Certified Public Accountant.
The Offering Statement is a formal description of the company and this transaction. It’s filed with the SEC to comply with the requirements of exemption 4(a)(6) of the Securities Act of 1933.
We’re also required to share links to each of the SEC filings related to this offering with investors.
Understand the Risks
Be sure to understand the risks of this type of investment. No regulatory body (not the SEC, not any state regulator) has passed upon the merits of or given its approval to the securities, the terms of the offering, or the accuracy or completeness of any offering materials or information posted herein. That’s typical for Regulation CF offerings like this one.
Neither Netcapital nor any of its directors, officers, employees, representatives, affiliates, or agents shall have any liability whatsoever arising from any error or incompleteness of fact or opinion in, or lack of care in the preparation or publication of, the materials and communication herein or the terms or valuation of any securities offering.
The information contained herein includes forward-looking statements. These statements relate to future events or to future financial performance, and involve known and unknown risks, uncertainties, and other factors, that may cause actual results to be materially different from any future results, levels of activity, performance, or achievements expressed or implied by these forward-looking statements. You should not place undue reliance on forward-looking statements since they involve known and unknown risks, uncertainties, and other factors, which are, in some cases, beyond the company’s control and which could, and likely will, materially affect actual results, levels of activity, performance, or achievements. Any forward-looking statement reflects the current views with respect to future events and is subject to these and other risks, uncertainties, and assumptions relating to operations, results of operations, growth strategy, and liquidity. No obligation exists to publicly update or revise these forward-looking statements for any reason, or to update the reasons actual results could differ materially from those anticipated in these forward-looking statements, even if new information becomes available in the future.
- Apr 11, 2023Post raise quarterly update: We are excited to...
Post raise quarterly update: We are excited to say that we have completed our fundraising through Netcapital for a total raise of $61,460! Thank you to all of our investors and supporters! We will continue to keep you posted on all of our successes, keep an eye out for updates on the Netcapital page or periodically through email!
- Mar 25, 2023Primary offering finalized, sellingsharesSold $20 for a total of $61,460shares at
- Mar 16, 2023
- Jan 27, 2023ThermaSat has been mentioned by Wazer...
ThermaSat has been mentioned by Wazer highlighting our shared success with rapid prototyping! Great to be able to make key components in-house!Read more here
- Dec 13, 2022
- Dec 8, 2022ThermaSat fundraising is still going strong,...
ThermaSat fundraising is still going strong, thanks to everyone for your support! Be sure to keep an eye out for new projects and grants featuring ThermaSat technology on our homepage!Read more here
- Oct 17, 2022
- Oct 11, 2022
- Aug 16, 2022Primary offering of $20shares at
- Aug 16, 2022
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