LiquidPiston
Engines are
Taking Off

Invest in the future of the combustion engine

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Our Regulation A+ Offering is now live on StartEngine

$5.5M +
Raised
2,900 +
Investors

Our Regulation A+ Offering is now live on StartEngine

Invest Now

This Reg A+ offering is made public through StartEngine Primary, LLC. This investment is speculative, illiquid, and involves a high degree of risk, including the possible loss of your entire investment. View the offering circular here and the risks associated here.

The X Engine
Up to 10x smaller and lighter and 30% more efficient

We develop advanced rotary engines based on our patented HEHC thermodynamic cycle and engine architecture. LiquidPiston engines are designed to be:

Lightweight & Compact

Up to 80% smaller and lighter than the traditional rotary engine.

Simplicity

Only two primary moving parts, optimally balanced.

High-Efficiency and Lower Fuel Consumption

Up to 30% decrease in fuel consumption, lower CO2 emission and lower cost of running an engine.

Quiet and Near-Zero Vibration

Up to 80% smaller and lighter than the traditional rotary engine.

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$400B

Total Addressable Market

Our Traction
Our X Engine development and Department of Defense interest

4 customer funded feasibility programs

2 new Army SBIR contracts

Completed $3M Army Rapid innovation contract

$6M contract with DARPA

Developed X-Mini

Power-dense, near-zero vibration

Developed First X-Engine Demonstrator

First Venture Funding

Recieved SBIR grant from Army

$9M
In Department of Defense Contract
$1.1M +
Commercial Revenue
4
Studies signed in 2019
About Us

Meet the Team Behind LiquidPiston

The team behind LiquidPiston is composed of leading innovators in computer science / AI, physics, math and engineering. Co-founders Alec and Nikolay Shkolnik have spent over a decade conducting R&D and developing patented technology to create the innovative thermodynamic system in the LiquidPiston engines.

Our Regulation A+ Offering is now live on StartEngine

Invest Now

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