WWII Gyrocopter for Sale in Big Bear, California
WWII Gyrocopter for Sale in Big Bear, California – Rare Aviation Project

Looking for a WWII gyrocopter for sale in Big Bear, California? This rare and fascinating aviation project is now available and stands out among unique Big Bear for sale listings. Perfect for collectors, restorers, and aviation enthusiasts, this partial gyrocopter kit offers a one-of-a-kind opportunity to own a piece of experimental flight history.
Project Background & Origin
This partial gyrocopter kit was originally obtained from a retired aviation mechanic based in Fullerton, California. The kit reflects years of aviation knowledge and care, making it a valuable starting point for anyone passionate about restoring vintage or experimental aircraft.
Included in the package:
- Basic airframe structure
- Two McCulloch engines
- Both propellers
- Hardware and additional spare parts
- Original McCulloch factory repair manual
One of the engines has already been rebuilt and now produces approximately 78 horsepower, giving this project a strong mechanical advantage right from the start.
Engine Details – McCulloch 4318 (O-100-1)
The included McCulloch engines are a highlight of this listing. The McCulloch 4318 (O-100-1) is a 4-cylinder, 2-stroke engine originally designed for military target drones during the WWII era.
Key specifications:
- Approx. 72 horsepower at 4,100 RPM
- Remote-controlled carburetor for speed adjustment
- Single-ignition system with one spark plug per cylinder
- Adapted use in gyroplanes beyond its original drone function
These engines are highly sought after by aviation hobbyists and collectors due to their historical relevance and unique engineering.
Condition & Build Potential
This is an incomplete gyrocopter kit, meaning additional parts and assembly work will be required to complete the aircraft. However, that’s exactly what makes it appealing to serious builders and aviation enthusiasts looking for a hands-on restoration or custom build project.
Whether you’re restoring for display, experimentation, or personal satisfaction, this kit offers a rare foundation that is difficult to find in today’s market.
Why This Listing Stands Out in Big Bear for Sale
Opportunities like this don’t come around often. Among typical Big Bear for sale items, this WWII-era gyrocopter project stands out as:
- A rare aviation collectible
- A hands-on restoration project
- A conversation piece with historical significance
- A unique investment for aviation enthusiasts
Located in the scenic mountain community of Big Bear, California, this listing combines history, engineering, and opportunity in one package.
