The Tatra 90 is a

Czechoslovak Czechoslovak may refer to: *A demonym or adjective pertaining to Czechoslovakia (1918–93) **First Czechoslovak Republic (1918–38) **Second Czechoslovak Republic (1938–39) **Third Czechoslovak Republic (1948–60) **Fourth Czechoslovak Repub ...

prototype

mid-size car Mid-size—also known as intermediate—is a vehicle size class which originated in the United States and is used for cars larger than compact cars and smaller than full-size cars. "Large family car" is a UK term and a part of the D-segment in t ...

, made by Tatra in

Kopřivnice Kopřivnice (; german: Nesselsdorf) is a town in the Moravian-Silesian Region of the Czech Republic. It has about 21,000 inhabitants. It is an industrial town, known especially for the vehicle manufacturer Tatra. Administrative parts Villages of ...

in 1935. The car has an air-cooled four-cylinder

OHC An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion cha ...

2,490 cc

boxer engine A flat engine is a piston engine where the cylinders are located on either side of a central crankshaft. Flat engines are also known as horizontally opposed engines, however this is distinct from the less common opposed-piston engine design, ...

, the same as in the Type 82. The engine produced , giving the car a top speed. The engine is front-mounted engine with rear-wheel drive. Transmission is via a single-disc dry clutch and four-speed transmission with synchronized third and fourth gears. The car has a tubular

backbone chassis Backbone tube chassis is a type of automobile construction chassis that is similar to the body-on-frame design. Instead of a two-dimensional ladder-type structure, it consists of a strong tubular backbone (usually rectangular in cross section) ...

, front axle with transverse leaf spring, and oscillating rear axles with a transverse leaf spring. The body is a four-door, six-seater sedan, reminiscent of the

aerodynamic Aerodynamics, from grc, ἀήρ ''aero'' (air) + grc, δυναμική (dynamics), is the study of the motion of air, particularly when affected by a solid object, such as an airplane wing. It involves topics covered in the field of fluid dyn ...

Type 77 at the front and rear, but with separate fenders and integrated headlights and running boards. Probably two prototypes were built. The car did not enter series production.

References

Sources

* * {{Tatra models Cars powered by boxer engines Automobiles with backbone chassis Cars introduced in 1935 90