<div class='quotetop'>QUOTE (mylexicon @ Mar 30 2010, 02:58 AM)
<{POST_SNAPBACK}><div class='quotemain'>I'm not worried about the stock horsepower numbers b/c the bikes have various compression ratios and they set the production rev limiter to make the bike reliable.
I'm interested in the theoretical differences the bikes should have when they are all decked out. All of the manufacturers are capable of getting compression ratios near 14bar, so hp is mainly determined by revs. Revs are loosely determined by stroke. As I was saying before, the BMW should have about a 30 hp advantage over Suzuki and Ducati. While Yamaha and Aprilia should have about 20 horsepower more than the slower bikes. I know, horsepower doesn't equal wins, but you'd certainly be able to see it in the trap speeds, and at tracks with long straights, the horsepower differences should be painfully obvious to the casual fan. The theoretical horsepower advantages are not represented by the trap speeds or lack of passing on the straightaways.
The Aprilia is fast b/c it is small. Why else would Aprilia build a useless pocket bike unless they were trying to maximize straightline speed at a given horsepower rating?
Is the RSV4 really that small. It has an adjustable seat height that at it lowest setting is close to 1 inch lower than the R1. Thats significant. But then you look at height the RSV4 is close to 1 1/2 inches taller, has a longer wheel base, but shorter overall length by a hair and the same identical width. At my size,they all look tiny to me so i cant really see that the RSV4 is a tiny bike compared to some of the other 1000's. In the specs below,the one telling dimension on the BMW is that it is 4 inches wider than the other 2. Is that clip on placement, longer turn signal stalks.
RSV4
998.20 ccm (60.91 cubic inches)
Engine type: V4
Stroke: 4
Power: 180.00 HP (131.4 kW)) @ 12500 RPM
Torque: 115.00 Nm (11.7 kgf-m or 84.8 ft.lbs) @ 10000 RPM
Compression: 12.8:1
Bore x stroke: 78.0 x 52.3 mm (3.1 x 2.1 inches)
Fuel system: Injection. Integrated electronic engine management system. Indirect multipoint electronic injection. 4 throttle bodies, 8 injectors. Airbox.
Valves per cylinder: 4
Fuel control: DOHC
Ignition: Electronic digital ignition integrated in fuel management system.
Starter: Electric
Lubrication system: Wet sump. Double trochoid pump with oil cooler.
Cooling system: Oil & air
Gearbox: 6-speed
Transmission type
final drive: Chain
Clutch: Multi-plate clutch in oil bath.
Physical measures
Dry weight: 179.0 kg (394.6 pounds)
Seat height: 810 mm (31.9 inches) If adjustable, lowest setting.
Overall height: 1,165 mm (45.9 inches)
Overall length: 2,050 mm (80.7 inches)
Overall width: 715 mm (28.1 inches)
Wheelbase: 1,424 mm (56.1 inches)
R1
Length 81.1 in
Width 28.1 in
Height 44.5 in
Seat Height 32.8 in
Wheelbase 55.7 in
Rake (Caster Angle) 24.0°
Trail 4.0 in
Fuel Capacity 4.8 gal
Fuel Economy 33 mpg
Wet Weight 454 lb
Type 998cc, liquid-cooled 4-stroke DOHC 16 valves (titanium intake valves)
Bore x Stroke 78.0mm X 52.2mm
Compression Ratio 12.7:1
Fuel Delivery Fuel Injection with YCC-T and YCC-I
Ignition TCI: Transistor Controlled Ignition
Transmission 6-speed w/multiplate slipper clutch
Final Drive #530 O-ring chain
BMW 1000RR
BMW S Weight
Dry Weight (lbs) : 403
Payload Capacity (lbs) : 412.3
BMW S Dimensions
Wheelbase (in) : 56.4
Rake (degrees) : 29.6
Height (in) : 44.8
Width (in) : 32.5
Length (in) : 80.9
BMW S Transmission
Reverse : No
Primary Drive (Rear Wheel) : Chain
Number Of Speeds : 6
Transmission Type : Manual
BMW S Capacities
Fuel Capacity (gal) : 4.6
BMW S Front Suspension
Front Suspension Type : Inverted Fork
Front Travel (in) : 4.7
Front Suspension Size (in) : 1.8
BMW S Seat Specifications
Seat Height (in) : 32.3
Number Of Seats : 2
BMW S Brakes
Rear Brake Type : Hydraulic Disc
Front Brake Type : Dual Hydraulic Disc
BMW S Tires
Rear Tire (Full Spec) : 190/55 ZR17
Front Tire (Full Spec) : 120/70 ZR17
BMW S Rear Suspension
Rear Travel (in) : 5.1
Rear Suspension Type : Twin Sided Swing Arm
BMW S Engine
Starter : Electric
Compression Ratio : 13.0:1
Displacement (cc) : 999
Horsepower (bhp) : 193
Engine Stroke : 4-Stroke
Cylinders : 4
Engine Type : Horizontal In-line