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Old 10-29-2002, 06:08 AM   #11
seruzawa
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Default Re: Do-it-yourself Land Speed Records

Okay, so it only has to turn 18,500rpm with stock gearing.



I couldn't help it. I just couldn't shake the mental image of some idiot attaching a NOS bottle to his Ninja and then going blasting along the drylakebed at Primm, Nevada. In all his glory of T-shirt, shorts, flip-flops and eyes as big as saucers. Waiting for the tach to hit 20,000rpm.



Heh heh.
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Old 10-29-2002, 07:04 AM   #12
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Default Re: Do-it-yourself Land Speed Records

Hey at least he would be wearing his shoei helmet!!
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Old 10-29-2002, 07:18 AM   #13
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Default Re: Do-it-yourself Land Speed Records

And his girlfriend perched on the back on the accessory fiberglass tail-section.
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Old 10-29-2002, 07:19 AM   #14
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Default Re: Do-it-yourself Land Speed Records

In a string bikini.
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Old 10-29-2002, 08:17 AM   #15
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Default Re: 200 MPH Harley-Davidson

Now I know that when you all write and publish your articles, you don't know about the ads. However, that Buell ad in the middle of the article is sheer poetry. Much better than the Honda ad in the middle of tle glowing Moto Guzzi peice....



Another thing amazes me, how one reader still managed to spout off about his Honda and what it 'could' do. Get off the pot, stap on some nitrous and head thee to Bonneville...Honda boy....then talk about what it 'did' do...
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Old 10-29-2002, 09:03 AM   #16
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Default Re: Do-it-yourself Land Speed Records

Where does one get aerodynamic drag data for a CBR600RR?!?! Wouldn't think you could or would estimate something as important as aerodynamic drag when analyzing a top speed problem.
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Old 10-29-2002, 11:57 AM   #17
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Default Guess not.

Sorry. Actually, 30000 rpm is funny.
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Old 10-29-2002, 12:29 PM   #18
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Default Do-it-yourself drag calculation

If you know the top speed and the engine speed at that point, and you have a dyno chart, it's easy.

1) Drag is proportional to the square of velocity

2) At top speed, drag is equal to available thrust (pounds) which is torque times overall gear ratio divided by wheel radius (in lb-ft, and ft)

3) You can get the torque from the dyno chart and the tire diameter from the tire specs. After computing the drag you can get a helpful factor for computing drag at any speed by dividing top speed drag by the square of the top speed. For fully faired race replicas this factor is around 0.01 lb/v/v.



A rough estimate of drag at 200 mph for a 600 RR is 200*200*.01, or 2*200, or 400 lb.
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Old 10-29-2002, 12:34 PM   #19
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Default Faulty assumptions

I don't currently have a Honda. I never said any Honda could do anything. I asked if something was possible. Noone is answering.



You seem to know. How do you "stap on some nitrous" on a Honda with very sophisticated electronic emission and fuel injection hardware/software. Contributions are welcome.
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Old 10-29-2002, 01:52 PM   #20
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Default Re: 200 MPH Harley-Davidson

Big James: actually, Buell's been such a consistant advertiser with MO since about two days after it first showed up on the web, it would be stranger to NOT have a Buell ad on MO at any given time.



Anyway, lighten up. This isn't a puff piece for Buell, since it clearly notes that this was a highly modified bike, not stock. In this day and age, just about any manufacturer's open-class sport bike offering could eventually be coaxed to 200 mph. These days, they're all good, they're all fairly reliable.



Anyone wanna help build a 200 mph Virago? Now that would be a real challenge.
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