John Delorean - Boceto original x3

1. Concept sketch – Upper arm suspension and roll bar (DeLorean Truck)
Exceptional original drawing attributed to legendary automotive engineer John DeLorean, corresponding to conceptual development of the unfinished DeLorean Truck.
This sketch shows the design of the upper suspension arm and roll bar system, with technical handwritten annotations such as “Roll bar”, “upper arm fluted tapered pod” and “snap in joint”, reflecting the designer's innovative approach to advanced mechanical solutions.
Although not signed, the piece bears authentication issued by James Spence Authentication, and includes its corresponding certificate of authenticity.
An extremely rare piece, ideal for car collectors, industrial design enthusiasts, and high-level historical memorabilia.

2. Technical sketch – Lower suspension arm (DeLorean Truck)
Rare original technical drawing attributed to John DeLorean, linked to the conceptual project of the DeLorean Truck, a vehicle that never went into production.
The diagram represents the lower suspension arm system, including handwritten annotations such as “Lower arms”, “strut” and “inner end?”, which provide a direct view into the development process and engineering thinking behind the design.
The piece has been authenticated by James Spence Authentication, accompanied by its official certificate.
A document of great historical and technical interest, perfect for motor and classic automotive design collectors.

3. Dated technical sketch (May 11, 1977) – Shock absorber and strut
Important original sketch attributed to John DeLorean, dated May 11, 1977, related to the development of the planned DeLorean Truck.
The drawing shows the shock absorber and strut system, including handwritten annotations by the designer himself such as “shock” and “strut”, as well as technical conversions to millimeters on the reverse, evidencing a detailed and practical engineering process.
Authenticated by James Spence Authentication, delivered with its full certificate of authenticity.
A unique collectible piece, with great historical value within the world of experimental automotive design.