[Duckster]

The average of a 2 way run on the same road is the only way to get an accurate top speed. Downhill with a tailwind doesn't tell us much.

 

[Duckster]

Nope. Mph I had iCarly had 1/8 left

OK sorry, but I am extremely skeptical of this story. The only way a stock or near stock Rebel 250 gets to 110 MPH is if it rides over a tall cliff or gets pushed out of an airplane. At those speeds most of the power requirement is to overcome wind resistance and that required power is proportional to the cube of the speed. As speed increases, horsepower required goes up exponentially.
Thus the power to overcome wind resistance at 110 is roughly 110^3/80^3 or 2.59 times as much as is needed to overcome wind resistance at 80 mph. If we are generous and assume say 8 HP of the Rebel's 16.5 is needed to overcome wind resistance to get to 80 mph, then we would need 20.72 HP at 110 mph plus at least the 8.5 we assumed was to overcome friction at 80 mph for a total of 29.2 HP. This also assumes a no wind condition. So you would need almost two Rebel engines to get up to 110 mph.
This is just conservative physics. You can't fake it.

 

[Duckster]

Your Rebel may be fast, but it's not THAT FAST. We had one guy who claimed to have been clocked at 90 on a speeding ticket, and we thought that might almost be possible at the bottom of a long hill with a snapping tail wind, but I don't buy 110 mph with an unfaired stock Rebel , even a "fast" one.

 

[Duckster]

110 kph is only around 70 mph Richard,... That's the speed limit on our 4 lane highways around here.

 

[Duckster]

ProDigit? Is that you?!?

:lol2::lol2::lol2::lol2::lol2::lol2::lol2:

 

[Duckster]

According to gearingcommander.com - 110 mph is 11940 rpm in 5th gear - NOT BAD !!!

It would be not bad if the Rebel engine could spool up like that.
Unfortunately the Rebel dyno chart ends before 11,000 rpm. Notice that the horsepower at 10,500 is back below 12 from a peak of near 16, and torque is down to under 8 ft-lbs from a peak that is about 50% higher. If stock gearing yields a typical top speed of near 80 at 8000 rpm and around 10.5 lb-ft. torque. There is no way that we're going to 110 mph and a much higher engine torque requirement at 11,000 rpm where we're down to 7 ft-lbs and change. It is pure fantasy.

 

[Duckster]

yes but can you imagine what it would sound like with some shorty mufflers !?!

I used to ride my daughter's old 4 cylinder R6 wound out to 15,000 RPM... Now that was a sound! A Rebel with Shorties is not going to be in that league methinks.

 

[Duckster]

Brilliant analysis Professor Shadow Shack, I concur! :nerd: