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