Contrary to popular belief, Shaft drive bikes CAN..... read it
again.... CAN do GREAT wheelies.
I roadraced a Yamaha XJ-750RJ Seca 750. It did wheelie and it did
countersteer.
For any doubters... i got photographic proof!!!
SMILE!!!!
Drew Stevens
Stevens Motorcycle & Marine
smoto...@quest.questcc.com
KZ-440(80),SECA 750(82),TZ-250B(72),DS-7(72),
TZ-250F(80),RZ-350 (84),CBR-600(87),GSX600R(88)
FZR-600(90),VF-700SC (84)
I didn't race, but I did put 92,000 miles on an XS-11, bored to
1340cc, turbo'ed and turbo pistoned, 18psi boost shafty that did
wheelies.
I think it counter steered, or was it all that high weight from that turbo
under the seat that flopped that thang over so quick??
I finally melted it's solid copper head gasket and stainless cyclinder
o-rings at 92k and I gave it to a parts yard.. ;( That was a sad day.
Curt Smith
cu...@compgen.com
-Ronnie
"My opinions are my own and therefore more important than yours!"
currently: ZX-?
> I didn't race, but I did put 92,000 miles on an XS-11, bored to
> 1340cc, turbo'ed and turbo pistoned, 18psi boost shafty that did
> wheelies.
>
Of course they do. I have an xs750. If that didn't countersteer I
wouldn't be here now. - I've never wheelied it although that is down to
the rider not the bike.
Steve
What do you mean it didn't countersteer. All motorcycle (except those
with sidecars) and bicycles for that matter countersteer, no matter what
kind of drive system they have. Actually motorcycles with sidecars try
to countersteer, that is why you can't make fast right turns without a
lot of weight in the sidecar. The motorcycle ends up going to the left
when the sidehack wheel lifts.
Hank Blackstock
That's nothing, |I used to do wheelies on a bog standard XS750 yes you
heard me XS750.
None o' that Turbo Bullsh for me, anyone can wheelie a bike wiv a bloody
great turbo on it, muppet.... Oh and it did'nt countersteer either.
--
Barry Richards
Turnpike evaluation. For Turnpike information, mailto:in...@turnpike.com
>None o' that Turbo Bullsh for me, anyone can wheelie a bike wiv a bloody
>great turbo on it, muppet.... Oh and it did'nt countersteer either.
>--
Well, of course they can, the gyroscopic effects of the turbo counteract
those of the shaft if it is set up correctly.
Heaven help those with co-rotating turbos and drive shafts, however.
ap
What should I be looking for (it obviously a very small effect at best)?
Gord.
and that's kinda fun sometimes too..
Lance Ferry
'92 GSXR1000 (<-- no twist there!)
'86 YSR50 (more fun than the law should allow, ask Kent.)
Christina & Gord Barker (tina....@ualberta.ca) wrote:
: I've ridden Virago 750's and 1100's and I currently own and ride
: a GL1500 and I have never noticed any shaft effect at all.
:
: What should I be looking for (it obviously a very small effect at best)?
:
Under heavy acceleration a shaft driven motorcycle has a tendency to
flop about like a beached flounder. This is due to the torque induced by
the shaft rotation along a line parallel to the longitudinal axis of the
bike.
______________________________________________
The Q DoD #42508
95 Virago 750 95 Virago 535
Physics Idiot Savant Extrordinaire
I have noticed the tendency only in motorcyles which have the engine
mounted lengthwise like BMW's and Moto Guzzi's. It is due to the
reaction of the flywheel not the shaft. I hardly think the shaft would
have enough mass to have any noticable effect. The K series BMW's have
their flywheel driven the opposite direction so the action of the
crankshaft and flywheel cancel each other out.
I would hardly describe it as floping about like a beached flounder. It
is only really noticeable when stopped and reving the engine. There have
been many succesful BMW and Moto Guzzi race bikes. I hardly think that
it would be possible if the acted as you discribe. More noticably is the
tendency of the pinon gear the climb the ring gear under acceleration
causing the bike to hump up some under acceleration. This also fades
form being notice once you are used to haw the bike acts.
Hank Blackstock
Former Bott tuner and present owner of 1984 Moto Guzzi 850-T
The only time a torque effect from the engine will be seen is when it
has a crankshaft that is in line with the frame, i.e. Moto Guzzi, BMW
etc? If you look at the engine of most bikes with the crank in the same
plane as the the wheels the gyro scopic effect will not exist.
but put the crank in line or at 90 degress to the axles of the wheels
and then when you change it it gyro's.
Look at a guzzi on tick over and then blip the throttle it moves most
noticeably. now do this on an xs750 or xs1100......nothing.
--
Barry Richards
Turnpike evaluation. For information, see http://www.turnpike.com/
Well, I haven't ridden that many bikes, but my shaftie seems to run
plenty straight and true under heavy acceleration, and believe you
me, it is quite capable of it (the heavy acceleration, that is). :-D
--
Griff Miller "Keep my mind on higher things; keep my
Systems Administrator '95 Z-28 mind on truth."
Positron Corporation '85 VF1100S
griff....@positron.com My opinions are mine, not Positron's.
Shoot, if you're riding a VF1100S, those don't want to flop
about even when you want them to (I used to drag the pegs on
my VF1100S, but I was younger and stupider then). Anyway,
the most pronounced shaft effect on a V65 Sabre is rear-end
hike (the back end of the bike stands up under gas).
After 2nd gear broke on my V65 Sabre, I gave it to Johnson and Woods.
--
* Dana H. Myers KK6JQ, DoD#: j | Views expressed here are mine and should *
* (310) 348-6043 | not be interpreted or represented as *
* Dana....@West.Sun.Com | those of Sun Microsystems, Inc. *
I once went round the outside of one of these at clearways at Brands
Hatch on a Yamaha RD350 Production racer, well o.k. it was an 850
LeMans, but it's the thought that counts. still, that does'nt alter tha
fact that he did'nt catch me till we were round paddock and going round
druids. I did'nt think to ask him about countersteer or should I say
torque reaction.
Griff Miller (mil...@positron.com) wrote:
: In article <52rv6d$p...@herald.concentric.net>,
: Lockheed WsmrSmts <Les...@cris.com> baited:
: > Under heavy acceleration a shaft driven motorcycle has a tendency to
: >flop about like a beached flounder. This is due to the torque induced by
: >the shaft rotation along a line parallel to the longitudinal axis of the
: >bike.
:
: Well, I haven't ridden that many bikes, but my shaftie seems to run
: plenty straight and true under heavy acceleration, and believe you
: me, it is quite capable of it (the heavy acceleration, that is). :-D
:
Should I reel 'em in, or feed out a little more line ?
--
______________________________________________
The Q DoD #42508
95 Virago 750 95 Virago 535
etc...
A number 7, barbed, with a small split-shot attached to 20 lb test.
--
**************************************************************
Dennis Hornibrook 65 Briggs & Stratton (hard tail)
aka Dances with Poultry
FYB#1 The older I get the better I was. BWW#7
**************************************************************
Cut your line and re-hook...this one's to small.
--
William "Wild Bill" Corona RotRotKotL DoD# 1665 Axe Murderer #1
wco...@pyramid.com 1992 Suzuki Katana 750 "suzi"
"I'd rather be hunted as a wolf than slaughtered like a sheep..."
"Life is what happens while you're making other plans..."
> >: > Under heavy acceleration a shaft driven motorcycle has a tendency
to
> >: >flop about like a beached flounder.
> >:
> >: Well, I haven't ridden that many bikes,
> > Should I reel 'em in, or feed out a little more line ?
>--
>**************************************************************
>Dennis Hornibrook 65 Briggs & Stratton (hard tail)
> aka Dances with Poultry
>FYB#1 The older I get the better I was. BWW#7
>**************************************************************
--
Play him until he runs down a bit- you don't want something like
that flopping around in the boat all afternoon...
--
Dean Woodward =o&o | I try to take days one at a time, but
de...@agora.rdrop.com | sometimes several days attack me at once.
'85 FJ1100 |
I'd like to find out who the pathetic asshole is that started this
ridiculous waste of internet bandwidth, and beat the shit out of
her.
Welllllll, should be easy to spot.
--
**************************************************************
Dennis Hornibrook 65 Briggs & Stratton (hard tail)
aka Dances with Poultry
FYB#1 We don't rent pigs BWW#7
**************************************************************
>I'd like to find out who the pathetic asshole is that started this
>ridiculous waste of internet bandwidth, and beat the shit out of
>her.
>
That should be fun to watch.
ap
> the most pronounced shaft effect on a V65 Sabre is rear-end
> hike (the back end of the bike stands up under gas).
if u r talking about the feeling like the rear wheel just wants to go up in the air
while the tail section just sits there, my intruder 800 does the same, especially when
i get on the gas after taking a left @ ~20mph in 2nd gear(power slide time!). later.
-jefe
'94 suzuki intruder 800
> the most pronounced shaft effect on a V65 Sabre is rear-end
> hike (the back end of the bike stands up under gas).
Ah.
So shaft drive bikes CAN stoppie......
This is getting tedious. Shaft drive bikes can lift the front end off the
ground by whacking the throttle shut AND lift the rear end off the ground
by whacking the throttle open. Very few people can do both
simultaneously, but I've seen Reg Pridmore, Yvon DuHamel and Cook Neilson
(yes, on the Ducati shaftie) go through Laguna's Corkscrew with NO wheels
on the ground when performing this expert manouver. Rumour has it that
even KR hasn't mastered this yet, but he and Dick Mann are still working
on it.
Peter (videos available)
>if u r talking about the feeling like the rear wheel just wants to go up in the air
>while the tail section just sits there, my intruder 800 does the same, especially when
>i get on the gas after taking a left @ ~20mph in 2nd gear(power slide time!). later.
Remember Grasshopper, be smooth with the throttle.
-dan
Dan Lubell drlu...@cts.net
'91 Katana "Water Foul" '82 C-10 "Slut Truck"
'68 Mustang-needs no name / Biker Scum Site:
http://www.users.cts.com/king/d/drlubell/bscum.html
Ducati shaftie? I don't think so.
Hank Blackstock
It was converted in order to take advantage of the above-noted double
tourque reactions Hank.
Peter
Right!
Hank
Maybe I'm just hoping it is a her...
Maybe some shaft drive bikes can stoppie, but a V65 Sabre
has no hope of actually lofting the rear wheel. It'll
crash.
Barry Richards
Suzuki GS500E
--
OK, Mr. Brain, please conduct experiments and tell me the tire
brand that you used to stoppie a V65 Sabre. No fair using outriggers
in the experiments.
Guess I'm Mr. Brain today...
An ME33 Comp-K would on my old VF700S (Sabre), which sure isn't a heck
of a lot different than a V65 Sabre. I did it at an MSF ERC about 10
years ago. Did the 20mph stop test in ~6 feet. When the rear raised,
I slid up on the tank. Managed to bring it back under control and set
my left foot down as prescribed, though I was still sitting on the
tank. :^). The instructor got a good laugh out of that one, but did
comment that was the shortest distance he had ever seen anyone perform
the 20mph stop in. Also did it a couple of other times, but there were
no witnesses so I figure you'd tend to discount them.
--
Kent Polk: Southwest Research Institute (will disavow any knowledge of me)
Internet : ke...@eaenki.nde.swri.edu
(DoF #) : Official DoF Squid Motto: "Ride Hard/Crash Gently"
> In article <54096e$f...@abyss.West.Sun.COM> my...@West.Sun.COM (Dana Myers) writes:
> >
> > OK, Mr. Brain, please conduct experiments and tell me the tire
> > brand that you used to stoppie a V65 Sabre. No fair using outriggers
> > in the experiments.
>
> Guess I'm Mr. Brain today...
>
> An ME33 Comp-K would on my old VF700S (Sabre), which sure isn't a heck
> of a lot different than a V65 Sabre. I did it at an MSF ERC about 10
> years ago. Did the 20mph stop test in ~6 feet. When the rear raised,
> I slid up on the tank. Managed to bring it back under control and set
> my left foot down as prescribed, though I was still sitting on the
> tank. :^). The instructor got a good laugh out of that one, but did
> comment that was the shortest distance he had ever seen anyone perform
> the 20mph stop in. Also did it a couple of other times, but there were
> no witnesses so I figure you'd tend to discount them.
The real Mr. Brain writes:
Sounds feasible.. the stoppie I saw on a V65 was using K591 race
compound tires (I think).
Side Note: I was Assistant Instructing an ERC for some local area
motorcycle cops and accidentally stoppied on my Nighthawk during the demo
ride for Maximum Braking. OOPS. I was running ME33's when I did that.
Got a few strange looks from the cops. *GRIN*
+----------------------------------------------------------------+
| Ethan Bowerman -Graduate Student |
| bowe...@eng.buffalo.eng -Mechanical Engineer |
| -MSF/MANYS Instructor |
| "Figures lie and Liars figure." |
| "Look further, lean further and roll on the throttle." |
+----------------------------------------------------------------+
Dennis H (dbr...@internetstore.com) wrote:
That he was from the El Paso Surf Club...
Question:
Dennis, what Surf Club could possibly be in El Paso?
Unless they're getting ready to blow Elephant Butte dam!
Then you could surf down the Rio Grande clean to the Gulf!
--
______________________________________________
The Q DoD #42508 Jo...@juno.com
> Uhmmmm... No.
> Unless its hopelessly chopped out, any motorcycle will stoppie
>with sticky enough (gumdrops for the V65) rubber and the right
>squeeze.
Not if its brakes aren't powerful enough........
Ouch!
my xj750 is way to heavy to even think about lifting the rear wheel off
the ground!
Yikes!
Doh! I forgot drum brakes do still exist! If the beast hasn't
got brakes enough, it won't stoppie. But as fat as a V65 is, it does have
brakes enough.. barely. :)
I'm not entirely certain that a GTS1000 will stoppie. I think that between
the cassis geometry and the anti-lock brakes, it just won't do it.
Fine with me, though.
Mike
--
______________________________________________________________________________
Michael Weaver Paramedic RotKotL| If it harms none, do what you will.
wea...@arches.uga.edu |_____________________________________________
DoD#0529 Archangel of Ged | Yamahas -> 82 Vision | 93 GTS1000A
In article <Pine.GSO.3.93.961014...@mordred.eng.buffalo.edu>,
bowe...@acsu.buffalo.edu writes:
:: On 14 Oct 1996, Dana Myers wrote:
::
:: > Janice in NYC <Sapp...@innonyc.com> wrote:
:: >
:: > Maybe some shaft drive bikes can stoppie, but a V65 Sabre
:: > has no hope of actually lofting the rear wheel. It'll
:: > crash.
::
:: Uhmmmm... No.
You've actually *tried* this, I take it, and are speaking
from personal experience?
:: Unless its hopelessly chopped out, any motorcycle will stoppie
:: with sticky enough (gumdrops for the V65) rubber and the right
:: squeeze.
Oh, sir, *please* learn the folly of sweeping generalizations,
such as using the words "any", "all", "every", "never", and
"always". All it takes is one counter-example, and your whole
argument ends up shattered in a million pieces on the floor,
like a cheap flywheel.
Now, then. Are you sitting down, wearing protective clothing,
and covering your eyes with ANSI-approved safety goggles? Good,
because I (The Living Counter-Example (tm)) am about to explode
your argument in the aforementioned manner.
I rode a Dyna Wide Glide for more than two years; no matter
*how* hard or quickly I squeezed the brakes, the rear end would
not lift. There simply wasn't enough power in the front brake
to bring all that mass to a halt quickly enough to bring the
rear wheel off the pavement. (Of course, the 600+ pounds of
weight and low center of gravity may have played a part, too.)
Now, it's just remotely possible that, if the brakes were
replaced, and the tires replaced, and the bike lightened, that
you could, under carefully-controlled conditions, induce a
stoppie, but that is *NOT* what you said. You said *any* motor-
cycle could do so (given the right tires). You are incorrect.
If Harleys don't interest you, get an older bike with a weak
front drum brake, and repeat the experiment. Good luck.
Your experience may well be limited to sportbikes, racing
bikes, and the like; if you limit your discussion to these,
then your statement =may= be true (although one [1] counter-
example is enough to disprove it). But, as you now see, there
are many bikes out there that do not fall into that category.
Therefore, you should remember that the things that are in
your experience do not include everything that _is_, and
phrase your assertions accordingly.
My job here is done.
/* dan, The Anti-Ged -- Ignorant Yank (tm) #1, none-%er #7 */
The Living Counter-Example (tm), The Masked Pedant (tm),
GAGARPHOF (tm) #1, TDMNaT #0
*Real* men don't *need* (yeck) water.
Um, I'm sure the VF700S was heavy, but the VF1100S was extremely heavy.
They're more different than you might think. Try riding a VF700S
and then a VF1100S in quick succession, and you'll see the difference.
>OK, Mr. Brain, please conduct experiments and tell me the tire
>brand that you used to stoppie a V65 Sabre. No fair using outriggers
>in the experiments.
Actually I HAVE haeard rumours about a new special motorbike tyre that
has tremendous traction using a new Velcro compound, but works well
only on certain surfaces......
>I'm not entirely certain that a GTS1000 will stoppie. I think that between
>the cassis geometry and the anti-lock brakes, it just won't do it.
It depends on a lot of things, brakes, tyres, suspension setup, weight
distribution, etc. Didn't the GTS1000 have sort of like an anti-dive
steup for the front suspension? That would certianly inhibit its
stoppying ability.
> On 14 Oct 1996, Dana Myers wrote:
>
> > Janice in NYC <Sapp...@innonyc.com> wrote:
> >
> > Maybe some shaft drive bikes can stoppie, but a V65 Sabre
> > has no hope of actually lofting the rear wheel. It'll
> > crash.
> >
>
> Uhmmmm... No.
> Unless its hopelessly chopped out, any motorcycle will stoppie
> with sticky enough (gumdrops for the V65) rubber and the right
> squeeze.
>
But "sticky enough rubber" can very often mean rubber stickier than
anything which has been develped by man so far. So it is a bit misleading.
Also, you can't get infinite force out of a brake system. If you have a
shitty front set-up, you might just not be able to provide enough
retarding force to loft the rear.
Anthony Potts
CERN, Geneva
Anthony Potts (po...@cms3.cern.ch) wrote:
:
: Also, you can't get infinite force out of a brake system. If you have a
: shitty front set-up, you might just not be able to provide enough
: retarding force to loft the rear.
:
There is *more* than enough retarding force aroound here to loft
anyones' rear!
> You've actually *tried* this, I take it, and are speaking
> from personal experience?
Hrm.. one of my follow ups got lost on the way to the server...
for the record, I'll restate the points I made:
If a motorcycle doesn't have brakes or rubber enough.. it won't
stoppie.
I have not done it myself. But I have seen it done, in front of
me, not on a video or something like that. K591 race compound tires were
used and the stoppie, while not magnificent (12 -18") was still an honest-
to-god stoppie.
>
> Oh, sir, *please* learn the folly of sweeping generalizations,
> such as using the words "any", "all", "every", "never", and
> "always". All it takes is one counter-example, and your whole
> argument ends up shattered in a million pieces on the floor,
> like a cheap flywheel.
I stand corrected. You are correct-- I should stay away from
infinitives like "all", "any", etc.
> If Harleys don't interest you, get an older bike with a weak
> front drum brake, and repeat the experiment. Good luck.
>
> Your experience may well be limited to sportbikes, racing
> bikes, and the like; if you limit your discussion to these,
> then your statement =may= be true (although one [1] counter-
> example is enough to disprove it). But, as you now see, there
> are many bikes out there that do not fall into that category.
> Therefore, you should remember that the things that are in
> your experience do not include everything that _is_, and
> phrase your assertions accordingly.
>
> My job here is done.
If your job is to nit-pick.. then congratulations on a job well
done!
Truth be told, I have spent I lot of time in non-sportbike
saddles. I agree that not all motorcycles fall into the "any" category
mentioned in my original post. However, the main reason I prefer
sport-bikes to other types of motorcycles is that they do have brakes
enough to stoppies, cornering clearance aplenty and motor with a
reasonable power output/ displacement ratio in stock form. 'Nuf said.
BTW- I have done stoppies on drum braked motorcycles... they can
be done... If your lucky. So... my turn to nit-pick. Above, you said
I should get an older bike with a weak front drum brake and repeat the
experiment. If the implication is that I can't stoppie on such a
motorcycle then *you* stand corrected by this living counter-example. :)
How does a Nighthawk 250 strike you? It has a very feeble front drum
brake. Yet I can do stoppies on it. *duck from the flames*
>>That he was from the El Paso Surf Club...
>>Question:
>>Dennis, what Surf Club could possibly be in El Paso?
>>Unless they're getting ready to blow Elephant Butte dam!
>>Then you could surf down the Rio Grande clean to the Gulf!
> *Real* men don't *need* (yeck) water.
S'right, our Dennis doesn't need water, he's wet enough ......
--
__________________________________________________________________
,'_ Su "Tracker" Naughton - NGG Directionalist
/ -.--.. __Trainee Texan, Poultry Farmer, Cheeky Northern Lass
_~\ \__`--'_,-'
//\\\ `--"/\\ Addison, Texas '88 Honda GT650
\__/ `----''\__/ Wakefield, W Yorkshire '94 Kawasaki ZZR600
___________________________________________________________________
Kent Polk (ke...@eaenki.nde.swri.edu) writes:
> In article <54096e$f...@abyss.West.Sun.COM> my...@West.Sun.COM (Dana Myers) writes:
>>
>> OK, Mr. Brain, please conduct experiments and tell me the tire
>> brand that you used to stoppie a V65 Sabre. No fair using outriggers
>> in the experiments.
>
> Guess I'm Mr. Brain today...
>
> An ME33 Comp-K would on my old VF700S (Sabre), which sure isn't a heck
> of a lot different than a V65 Sabre. I did it at an MSF ERC about 10
Not sure how relevant this is but we used to do stoppies on our sisters'
bicycles by riding them (sorta lightly) into telephone poles.
Don't tell mom.
Pete
> BTW- I have done stoppies on drum braked motorcycles... they can
>be done...
A Yamaha "Razz" scooter does great stoppies
And has terrible rolling resistance (at least on those surfaces).
--
Griff Miller "I don't even put bumperstickers on my
Systems Administrator '95 Z-28 car - why would I get a tattoo?"
Positron Corporation '85 VF1100S
griff....@positron.com My opinions are mine, not Positron's.
>I rode a Dyna Wide Glide for more than two years; no matter
>*how* hard or quickly I squeezed the brakes, the rear end would
>not lift. There simply wasn't enough power in the front brake
>to bring all that mass to a halt quickly enough to bring the
>rear wheel off the pavement. (Of course, the 600+ pounds of
>weight and low center of gravity may have played a part, too.)
>Now, it's just remotely possible that, if the brakes were
>replaced, and the tires replaced, and the bike lightened, that
>you could, under carefully-controlled conditions, induce a
>stoppie, but that is *NOT* what you said. You said *any* motor-
>cycle could do so (given the right tires). You are incorrect.
>
>If Harleys don't interest you, get an older bike with a weak
>front drum brake, and repeat the experiment. Good luck.
>
>Your experience may well be limited to sportbikes, racing
>bikes, and the like; if you limit your discussion to these,
>then your statement =may= be true (although one [1] counter-
>example is enough to disprove it).
I will probably get a lot of flames, but IMO a Harley (XR750
excepted) does not sell a motorcycle, they sell an image. Other
bikes (Goldwings and such) that will not stoppie are not
motocycles either. They are 2 wheeled trucks. :)
Hank
>Dennis H wrote:
>>Lockheed WsmrSmts wrote:
>>>>Dennis H (dbr...@internetstore.com) wrote:
>>>That he was from the El Paso Surf Club...
>>>Question:
>>>Dennis, what Surf Club could possibly be in El Paso?
>>>Unless they're getting ready to blow Elephant Butte dam!
>>>Then you could surf down the Rio Grande clean to the Gulf!
>
>> *Real* men don't *need* (yeck) water.
>S'right, our Dennis doesn't need water, he's wet enough ......
He never takes a bath, so what would he possibly need with
water? Don't tell me he drinks the stuff.....
Jack Hunt '83 V-45 Magna "Old Blue" /;FYB2;\ BWW#5
_ \\____//
"I have seen the truth and it /{_\_/ \`'\_/__
makes no sense." \___ (o\ /o }
_/ :--'
\_ `__\
\___(o'o)
`===='
It's worse that that, it's physics, Jim!
Let's say -
m is the mass of the bike and rider,
g is the acceleration due to gravity,
h is the height of the centre of mass of a bike and rider above the
road,
l is the horizontal distance between the front axle and the centre of
mass,
c is the coefficient of friction between the front tyre and the road.
The torque keeping the back wheel on the road is -
mgl
The maximum force that can be generated at the front tyre contact patch
is -
cmg
Which give an opposing torque of -
cmgh
At the point of balance -
cmgh = mgl
which gives -
c = l/h
So it all boils down to how the tyre sticks to the road, and where the
C.O.G. is. A bike with a short wheelbase, mass high up and forward, and
sticky tyres will do it. A "long heavy bike" won't do it with any tyre.
_--_|\ Alan Williams
/ \
\_.--._/ <- wi...@c031.aone.net.au
v
> >So it all boils down to how the tyre sticks to the road, and where the
> >C.O.G. is. A bike with a short wheelbase, mass high up and forward, and
> >sticky tyres will do it.
>
> Even a bike without brakes?
Yep, just throw a piece of pipe in the spokes. :-)
Hank
>Let's say -
> m is the mass of the bike and rider,
> g is the acceleration due to gravity,
> h is the height of the centre of mass of a bike and rider above the
>road,
> l is the horizontal distance between the front axle and the centre of
>mass,
> c is the coefficient of friction between the front tyre and the road.
>which gives -
> c = l/h
>So it all boils down to how the tyre sticks to the road, and where the
--
-- --
Jacqueline Kowtko University of Edinburgh, lowland Scotland
-- --
I *NEVER* drink the stuff! I do take a bath...once a month whether I
needs it or not. Hate gettin my pistola wet, takes a lot to keep it oiled
properly, dontchatknow.
What, *what*, WHAT, I've been triin too, but so far jello hasn't worked well.
>Dennis H (dbr...@internetstore.com) wrote:
> That he was from the El Paso Surf Club...
>Question:
> Dennis, what Surf Club could possibly be in El Paso?
Well, it's just a short commute to Big Surf, Arizona. You know, that wave
machine in a pool. Don't laugh. I once crewed on a yacht from the Phoenix
Yacht Club. (No it wasn't a Cadillac land yacht.) How it got to from Arizona to
Tahiti is still a mystery.
Tomas mit der ST11
Certainly. More to the point, the GTS has a front swingarm suspension, not
forks. It has a "settling" to the front, but no proper dive as such.
I don't think it will stoppy.
WAZAT? LOUDER PLEASE...I CAN'T HEAR YOU!!!
** snip **
> You know the SOP, Mike. Go out, try it, and give us a
> full report. We'll be waiting.
>
> I know for a fact that my late-80's K100 won't stoppie; I
> tried it this morning.
Did you squeeze the lever right to the bar or lock the front
wheel? If not, you don't REALLY know if you can stoppie or not.
That's the main reason I don't like trying to do stoppies on
unfamiliar motorcycles... locking the front wheel scares the s**t right
outta me. :)
Oh, shoot, he's got the stuff in his ears again. Dennis! Over here, I've
got some Q-tips... quit squirming, it doesn't either hurt.
Mine would ('84 K100RT).
My current one will too, even with the ABS ('90 K100Lt 4v).
73's de Paul
--
Every one has to belive in something: I believe in David R Norton.
Pa...@triagonl.demon.co.uk G4YFE@GB7RDG DoD #0573 BOOF #18 UKMC #9
Reading, England <URL:http://gilgamesh.rdg.ac.uk/people/pmh/>
UK Village Idiot The Smelling Pisstakes are all mine :)
>jsh <jhay...@iapc.net> wrote:
>
>>> WAZAT? LOUDER PLEASE...I CAN'T HEAR YOU!!!
>
>>Oh, shoot, he's got the stuff in his ears again. Dennis! Over here, I've
>>got some Q-tips... quit squirming, it doesn't either hurt.
>
>Jeez, you guys are a dangerous lot.
>
>You should NEVER use Q=-tips to clean out your ears, that pushes the
>earwax deeper into the ear canal and if you push it too much you might
>puncture the membrane that is between the outer and inner ear....that
>would not be very comfortable.
>
>Use the McDonald's coffee stirrers instead, the tiny little spoonlike
>scooper at teh end works very well.
In Dennis's case, you could shine a flashlight in from the other side
to see what you are doing. In a pinch, hang a pair of spectacles over
his ear and use him for a slide projector.
Jack Hunt '83 V-45 Magna "Old Blue" /;FYB2;\ BWW#5
--Archangel of Barney-- _ \\____//
Yea, but can you sue them if you burn yourself?
I hate when they do that...I can never see the slideshow!
I once found earwax in my Mickey D coffee.
> Jack Hunt '83 V-45 Magna "Old Blue" /;FYB2;\ BWW#5
> --Archangel of Barney-- _ \\____//
> "I have seen the truth and it /{_\_/ \`'\_/__
> makes no sense." \___ (-\ /o }
> _/ :--'
> \_ `__\
> \___(o'o)
> `===='
There it is! it's doin it again...that damn cow is flirting with
me I tell ya, it *must* be Janice...
--
**************************************************************
Dennis Hornibrook 65 Briggs & Stratton (hard tail)
antipen[d]ant
Coz it was still surrounded by ear...
> I can see it now..........."We're here at a well known fast food
> restaurant and we've secretly switched the toilet bowl scum they
> normally serve with Dennis's Own Secret Blend. Let's see what the
> customers say.........."
...dis sheet tais lak gun powder...gimme somoe cream hun...
>I once found earwax in my Mickey D coffee.
But how were you able to determine whether it was really earwax or
just some residue of the coffee grind they normally use?
I can see it now..........."We're here at a well known fast food
>Jack H. wrote:
>
>> /; ;\
>> _ \\____//
>> /{_\_/ \`'\_/__
>> \___ (-\ /o }
>> _/ :--'
>> \_ `__\
>> \___(o'o)
>> `===='
>There it is! it's doin it again...that damn cow is flirting with
>me I tell ya, it *must* be Janice...
Must be the first symptoms of Mad Cow Disease. Why else would a cow
flirt with Dennis? I dunno what happened. I had her on a steady diet
of sheep offal.....Yep, it could be Janice, spongy brain and all.
Jack Hunt '83 V-45 Magna "Old Blue" /;FYB2;\ BWW#5
--Archangel of Barney-- _ \\____//
"I have seen the truth and it /{_\_/ \`'\_/__
makes no sense." \___ (o\ /o }
Like lambs to the slaughter. Hey Dennis - when you've finished with JC,
I could do with a good straight man^H^H^Hlady.
--
Trevor Dennis Polite Brit #1 Southern England
IVFROC #50 Yank Impersonator #2
VFR750/FL
>Dennis H wrote:
>
>> Jacqueline Kowtko wrote:
>
>> > In article <32657C...@earthlink.net> ccl...@earthlink.net writes:
>> > >Dennis H wrote:
>> > >>Lockheed WsmrSmts wrote:
>> > >>>>Dennis H (dbr...@internetstore.com) wrote:
>
>> > >>>That he was from the El Paso Surf Club...
>
>> > >>>Question:
>
>> > >>>Dennis, what Surf Club could possibly be in El Paso?
>
>> > >>>Unless they're getting ready to blow Elephant Butte dam!
>> > >>>Then you could surf down the Rio Grande clean to the Gulf!
>
>> > >> *Real* men don't *need* (yeck) water.
>
>
>> > >S'right, our Dennis doesn't need water, he's wet enough ......
>
>> > poor boy probably won't understand what you're saying, either....
>
>> WAZAT? LOUDER PLEASE...I CAN'T HEAR YOU!!!
>
>Oh, shoot, he's got the stuff in his ears again. Dennis! Over here, I've
>got some Q-tips... quit squirming, it doesn't either hurt.
Much.....
Golly
UKMC#9
UKMCB#1
NGG Hairstylist
Janice? We're talking about _Dennis's_ ears, okay? (Dennis, would'ja sit still,
already?)
> Use the McDonald's coffee stirrers instead, the tiny little spoonlike
> scooper at teh end works very well.
They aren't long enough and anyway, they keep breaking off inside of his head. Now
when he wiggles his eyebrows you can hear tiny tinkley noises.
jill
--
__________________
jhay...@iapc.net
dod#1938
ngg bartender
SSL#1 96 t-bird
I couldn't get it to stoppy. The back got real light, but it wouldn't come
up. The ABS kicked before the front slid, though (it was starting to howl).
>>I know for a fact that my late-80's K100 won't stoppie; I
>>tried it this morning.
>I couldn't get it to stoppy. The back got real light, but it wouldn't come
>up. The ABS kicked before the front slid, though (it was starting to howl).
Do the same thing the next time, but shift more of your weight to the
front, that just might do the trick.
It's easier on sportbieks since they've got lower bars, making it
easier to shift weight onto em........
>I couldn't get it to stoppy. The back got real light, but it wouldn't come
>up. The ABS kicked before the front slid, though (it was starting to
howl).
>
You need more mu.
ap
>>:: I don't think it will stoppy.
Well of course it won't stoppy. Anyone with any knowledge of physics
knows that a shaft-drive bike can't stoppy.
=========================================================
And remember, kiddies, never procrastinate today when you
can procrastinate tomorrow.
=========================================================
Fitz of Fitz Hall
pf...@tpnet.co.nz
/Jim
MAKE MU FAST!!!
--
Mike (DF) Fleming MAG #79794 DoD #4446 OT #3 UKMC #9 FAB #10
Save the slug, save the slug, save the slug, save the slug
They're not cute and sexy, they're covered in slime
But so many species have run out of time
Bollocks! <tinkle tinkle>
--
**************************************************************
Dennis Hornibrook 65 Briggs & Stratton (hard tail)
aka Dances with Poultry
FYB#1 We don't rent pigs BWW#1
**************************************************************
And anyone with knowledge of motorcycles knows that a GTS is chain drive.
:-)