1991 Mazda 787B


1991 Mazda 787B

1991 Mazda 787B

In 1991 Mazda became the first Japanese manufacturer to win the 24 hours of Lemans with their 787B. The car was powered by a quad-rotary engine which makes the 787 the first rotary engine car to win Lemans. In its victory the Mazda 787B completed 4923.200 km (3,059.79 miles) at an average speed of 205.133 km/h (127.49 mph). The drivers were Bertrand Gachot, Johnny Herbert and Volker Weidler. The engine is normally rated as 2622cc but the FIA rated the car as a 4708cc by dimension of having two power cycles per rotation. Normally aspired, the engine produced around 700 HP!

In Detail

submitted by Richard Owen
engine R 26B Quad-Rotary
position Mid Engine
displacement 2622 cc / 160.0 in³
power 522.0 kw / 700.0 bhp @ 9000 rpm
specific output 266.97 bhp per litre
bhp/weight bhp per tonne
torque 840.61 nm / 620.0 ft lbs @ 6500 rpm
body / frame Carbon Fibre
driven wheels RWD
front tires 300-640×18
rear tires 355-710×18
front brakes Brembro Carbon Fibre Discs
f brake size x 356 mm / x 14.0 in
rear brakes Brembro Carbon Fibre Discs
r brake size x 356 mm / x 14.0 in
front wheels F 45.7 x 30.5 cm / 18.0 x 12.0 in
rear wheels R 45.7 x 37.5 cm / 18.0 x 14.8 in
f suspension Pull Rod Outboard Coil Springs
r suspension Locker Operated Overhead Inboard Damping with Lower Wishbone and
curb weight 845 kg / 1863 lbs
wheelbase 2662 mm / 104.8 in
front track 1534 mm / 60.4 in
rear track 1504 mm / 59.2 in
length 4782 mm / 188.3 in
width 1994 mm / 78.5 in
height 1003 mm / 39.5 in
transmission Mazda & Porsche 5-Speed Manual
gear ratios :1
drag 1991 Cd