Monday, March 14, 2011

Ronaldo R9 1998 Mercurial

The best twin cylinder BoTT (2 ª part)











( > below) There were hundreds of unique creations, many mental straw incredible true works of art ... but the most important were these:

Ducati 900 SS Jimmy Adamo
drove the Ducati prepared by Reno Leoni throughout the 80s. The first 900 SS had no rival and they achieved the national titles in 1981, 82 and 83. That SS Cubed 950 cc, weighs 145 kg, yielding 110 hp at 8,500 rpm with carburetors Malossi of 41.5 mm. reached the 251 km / h in the depth of Daytona.

Daytona BMW R90
John Long
and BMW importer San Jose won in a lower category, while Dave Emde even managed to beat a Ducati despite the mechanical inferiority of the German motorcycle : 95 hp at 8,500 rpm, PTO and 156 kg. Anti-dive front suspension attracted much attention. Have you heard the Telelever ?

HD "Lucifer's Hammer"
Jay Springsteen and Church Gene (champion in 1984, 85 and 86) dominated with an iron fist for three years the BoTT against Italian machines, walking Yankee flag proudly on their land. This beast was a medley of components developed in dirt-track : chassis, long-stroke engine with distribution XR 750 rods, 106 hp at 7,500 rpm, etc. The down with Ducati was wild .
told The subsequent evolution craft with a tubular chassis, engine and rear shock XR 1000.

500 Laverda Montjuic
The Laverda Maurice Ogier was smaller displacement twin, win a race BoTT thanks to its lightweight (132 kg) and efficient aerodynamics. The 579 cubic engine cc, 74 hp provided to 9,800 rpm, fitted to 38 mm Dell'Orto carburated and fuel tank under the seat. Alan Cathcart won it in '84 Daytona.

Ducati 851
Daytona Victory in '87 with former world champion Marco Lucchinelli mean of 500 a turning point in this category and in the history of Ducati. It was the first Duke to equip an engine and injection 8-valve, 120 hp surrendered to 11,000 rpm and reached 265 km / h . Since then, all brand superbikes have followed this configuration.

Guzzi Le Mans 1000
National Champion in 1987, the super-Guzzi John Wittner (better known as Dr. John, was a dentist-) piloted by Doug Braunecker what the brand forward Italian stores sell in a few years later: the first 4-valve cylinder heads and timing belt. The cubed Guzzi 999 cc, came to 115 hp to 9,300 rpm and reached the 267 km / h .

Commonwealth Honda RS750
bike was the only Japanese to win the championship. He succeeded in 1989 with Randy Renfrow at the wheel: motor RS 750 of dirt-track with 8 valves (base Transalp), Mikuni carburetors Flatside of 41 mm, 500 GP suspensions, heads specific craft, 857 cc, 100 hp to 9,400 rpm and 155 kg.

Quantel-Cosworth British
This gadget was developed by Bob Graves on the basis of parallel twin set Originally signed by the Formula 1 engines for the project Norton Challenge the late '70s. Roger Marshall Daytona beat her in '88: 823 cc, 120 hp to 10,000 rpm, electronic injection, water, 8-valve engine freestanding ... The trouble is that weighed 173 kg, but cannot flying 280 km / h .

BMW R100 Fujii
Twin boom in Japan made the team Yoshinori Fujii (a BMW car salesman) will travel to Daytona. About R100 engine developed a 98 hp machine to 8,300 rpm, with 39 mm Keihin carburetors, two valves per cylinder, chassis Beater, aluminum swingarm and Paralever. With 160 kg stood at 250 km / h .

Britten V-1000
My favorite. One of the best motorcycle racing history is 20 years ahead of its time. The latest evolution of genius Zealander John Britten won the '94 Daytona with Andrew Stroud smashing the Ducati 926 FERRACCI official: self-bearing motor (no chassis) in 60 ° V, electronic injection, parallelogram front suspension, radiator under the seat, 138 kg, 170 hp at 9,700 rpm, 303 km / h ...

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