Author Topic: Sport-lowrider bike (Read 981 times)

Xjazz · « **on:** October 04, 2002, 03:46:59 AM »

Its really look.... eehh.... somehing

Staga · « **Reply #1 on:** October 04, 2002, 04:05:09 AM »

Looks like some fatso jumped on it.

hawk220 · « **Reply #2 on:** October 04, 2002, 09:09:23 AM »

how could you slice and dice the canyons on that thing? the center of gravity is aaaalllll fluffied up.

capt. apathy · « **Reply #3 on:** October 04, 2002, 09:13:00 AM »

wow, they finaly blended the worst of both worlds.
ugly like a cafe racer and sloppy handling like a chopper.

easymo · « **Reply #4 on:** October 04, 2002, 01:03:05 PM »

I knew a guy who did that with a Triumph Bonneville. He wound up running it into a car. The center post tore some of his very important parts off. Ouch!

vorticon · « **Reply #5 on:** October 04, 2002, 01:05:59 PM »

hmmm there might no be that type of problem easymo. the triumph bonnyville wasnt made to be like that this thing was so they might have done different things so it works better.

Sandman · « **Reply #6 on:** October 04, 2002, 01:07:37 PM »

Quote

Originally posted by hawk220
how could you slice and dice the canyons on that thing? the center of gravity is aaaalllll fluffied up.

Doesn't it lower the CG? Wouldn't that be a good thing?

capt. apathy · « **Reply #7 on:** October 04, 2002, 01:52:40 PM »

no, lowering yourself in the bike makes it less responsive.
think about how much you'd have to shift your weight to have the same amount of effect in corners.

closest analogy I can get is a plane. fighterplanes are made with the wings low for faster turning. but someting like a cesna with the lower center of gravity stays up right better but takes alot more force to tip out of plumb. at speed you don't use the stearing so much as just shifting weight

Sandman · « **Reply #8 on:** October 04, 2002, 02:16:39 PM »

Quote

Originally posted by capt. apathy
no, lowering yourself in the bike makes it less responsive.
think about how much you'd have to shift your weight to have the same amount of effect in corners.

You're shifting your weight because you're higher and above the bike's CG. If you're in the middle of it, there's no reason to shift at all.

Don't take my word for it... I'm sure Gurney knows much more about racing than either of us.

capt. apathy · « **Reply #9 on:** October 04, 2002, 03:06:07 PM »

Quote

With its low center of gravity, it looks unique and most importantly, it feels like nothing else on the road. It produces a high degree of riding confidence and security with a fabulous fun factor to match!

I read the page and nowhere does it say this design improves handling or makes it more responsive. and you shift your weight to tip the bike, thats how bikes corner. the lower you sit the more effort it takes to tip the bike. thats why you won't see a chopper type frame design keeping up with the Buell on the road even if you had the horsepower the same. long and low for comfort & style. but if you want handling the rider sits on top.

take any bike into a corner flat(vertical) at speed and check it for yourself. make sure to take some video so you can sell it to pay for your med bills.

SC-Sp00k · « **Reply #10 on:** October 04, 2002, 06:55:39 PM »

Your back would kill you long before the motorbike did.

NUKE · « **Reply #11 on:** October 04, 2002, 07:03:05 PM »

Quote

You're shifting your weight because you're higher and above the bike's CG. If you're in the middle of it, there's no reason to shift at all.

\

Have you ever riden a motorcycle? You have to shift your weight if you want to turn. You can only turn the front wheel at very low speed.

If you cant assert your weight at higher speed, the bike will just want to keep going straight. You could run right off the road if you are not able to shift the cg of the bike fast enough.

easymo · « **Reply #12 on:** October 04, 2002, 07:33:08 PM »

With all do respect to Mr. Gurnys knowledge of autos. Based on that pic, He doesn't know squat about bikes.

To corner you have to overcome the gyroscopic effect of the motorcycle. Being higher gives you more leverage to do this. All you have to do is lean. your body weight does the work. The only way that thing is going to turn properly is to get very familiar with the feel of the front brake. An old motocross trick we used, was to throw our leg out as far forward as possible, while grabbing the binders. This collapsed the front fork and thereby changed the steering geometry of the front end. That maneuver would be too radical for a street bike. But a degree of it might be employed with this thing.

Sandman · « **Reply #13 on:** October 04, 2002, 07:41:45 PM »

Quote

Originally posted by NUKE
\

Have you ever riden a motorcycle?

Yes. Probably not as much as you, Nuke. I haven't ridden anything in years. But... don't you think that some of the instability of motorcycles is a direct result of the added weight of the rider perched on top of it?

This must be a fake:

capt. apathy · « **Reply #14 on:** October 04, 2002, 08:04:18 PM »

check your own pic. the wheels are parallel the rider is not just leaning he's moved himself clear off the seat to the inside of the corner. the bike is leaning and thats why it's turning