Why do cars have butterfly doors?

Butterfly doors were first seen in the Alfa Romeo 33 Stradale of 1969. These doors were commonly used in Group C and IMSA GTP prototypes, as they preserved the aerodynamic shape of the canopy while allowing the driver to enter and exit the car more quickly than conventional and gullwing doors.

Are butterfly doors practical?

The design is a very practical one in a tight urban parking space. When properly designed and counterbalanced, they require little side-clearance to open (about 27.5 cm, or 11″ in the DeLorean and allow much better entrance/egress than conventional doors.

What is the cheapest car with butterfly doors?

The Toyota Sera, sold only in Japan in the early 90’s is probably the cheapest car from a modern manufacturer that had flip up doors: If sold in the US, it would likely have cost somewhere in the high teens when new.

What’s another name for butterfly doors?

Gull-Wing Doors

During the opening of doors, the hinges of these doors stay fixed on top of the roof, and the two doors spread like wings. In French, these doors are known as “portes papillon” – butterfly doors, and were first designed in 1939 by Jean Bugatti – a well-acclaimed automotive designer.

Which cars have doors that open up?

Opening straight up like a bird’s wings, gullwing doors are undeniably cool, and these 10 cars that use them are the coolest of the bunch.

  1. 1 Pagani Huayra. Via: CarBuzz.
  2. 2 DeLorean DMC-12. Via Supercars.net. …
  3. 3 Mercedes SLS AMG. …
  4. 4 Mercedes 300SL Coupe. …
  5. 5 Tesla Model X. …
  6. 6 Mazda Autozam AZ-1. …
  7. 7 Apollo IE. …
  8. 8 Gumpert Apollo. …
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