Author Topic: V85 TT Merged Threadfest  (Read 536342 times)

Offline Luap McKeever

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Re: V85 TT Merged Threadfest
« Reply #750 on: September 14, 2018, 06:20:12 AM »
Where did you get $14k?

In the article.  12,000 Euros. Then I converted 12,000 Euros to dollars, which comes to $14,042.04.
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Offline Kev m

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Re: V85 TT Merged Threadfest
« Reply #751 on: September 14, 2018, 06:22:45 AM »
In the article.  12,000 Euros. Then I converted 12,000 Euros to dollars, which comes to $14,042.04.

I thought that was almost never valid? That companies like Piaggio/Guzzi, Harley, Ducati etc. all price bikes for a given market.

For instance you can't convert the price of any Harleys in the US to Euros and arrive at the actual price, most would be off by thousands (Harleys are luxury priced in the EU).

I feel like people were trying the same thing before the Mk 1 single throttle body bikes showed up here and they were way off then too.

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Re: V85 TT Merged Threadfest
« Reply #752 on: September 14, 2018, 06:51:25 AM »
I thought that was almost never valid? That companies like Piaggio/Guzzi, Harley, Ducati etc. all price bikes for a given market.

For instance you can't convert the price of any Harleys in the US to Euros and arrive at the actual price, most would be off by thousands (Harleys are luxury priced in the EU).

I feel like people were trying the same thing before the Mk 1 single throttle body bikes showed up here and they were way off then too.

Yup.  I'll bet they bring it into the States with something that is more competitive with its competition; thus, I'd guesstimate it will be around 12ish. 

Offline egschade

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Re: V85 TT Merged Threadfest
« Reply #753 on: September 14, 2018, 07:19:15 AM »
WOAH, no you completely missed my question. I'm not talking about counter-leaning during low speed maneuvers. I'm talking about leaning into the turn while corning at moderate to high speeds to counter the force trying to slam it to the ground toward the outside of the turn.

I'm asking if the taller suspension doesn't have a net positive effect making it easier because the center of mass is where your butt hits the seat, why does this shift I describe above (the kissing the mirrors) have an effect?

Here Kev - read this: https://www.wired.com/2015/08/motorcycles-lean-far-without-tipping/

In the case of taller suspension and the resulting higher CG, you will require a higher 'fake force' to counter the higher 'mg' force. Taller bikes feel heavier because their GC is further from the fulcrum (ground). As a consequence, a higher 'friction' force (speed) needs to be applied at any given lean angle. Tall enduro bikes with skinny / knobby tires are an extreme example. You only get a fraction of the lean angle on an XR650 than you will on an R1 due to the high GC and low tire friction. Knobbies in the dirt significantly increase friction allowing higher speed and lean angle. On the road, you have to compensate with body lean to keep the bike from overpowering frictional force or you low-side the bike.


This is another decent discussion on the subject: https://physics.stackexchange.com/questions/211193/effect-of-position-on-a-motorbike-turning
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Offline Kev m

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Re: V85 TT Merged Threadfest
« Reply #754 on: September 14, 2018, 07:22:26 AM »
That's gunna' be a problem if you're waiting for the " green light..."

Only if you're a moron and don't know the top and bottom lights in the traffic light mean different things.

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Offline Kev m

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Re: V85 TT Merged Threadfest
« Reply #755 on: September 14, 2018, 07:24:37 AM »
Here Kev - read this: https://www.wired.com/2015/08/motorcycles-lean-far-without-tipping/

In the case of taller suspension and the resulting higher CG, you will require a higher 'fake force' to counter the higher 'mg' force. Taller bikes feel heavier because their GC is further from the fulcrum (ground). As a consequence, a higher 'friction' force (speed) needs to be applied at any given lean angle. Tall enduro bikes with skinny / knobby tires are an extreme example. You only get a fraction of the lean angle on an XR650 than you will on an R1 due to the high GC and low tire friction.[/url]

If that's true that would support my original supposition that Huzo has said is not true based on physics.

 :undecided:
« Last Edit: September 14, 2018, 07:25:15 AM by Kev m »
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Re: V85 TT Merged Threadfest
« Reply #756 on: September 14, 2018, 08:30:40 AM »
Hmmmm..
One of us is about to learn something.
(And I'm not completely sure who...)
But I will digest what each of us has said more fully.
Let us move to the neutral corners Grasshopper... :bow:

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Re: V85 TT Merged Threadfest
« Reply #757 on: September 14, 2018, 09:35:29 AM »
Here's a tall bike handling well and doing some fun lean angles.  :wink: :boozing:
https://youtu.be/QAlh9Q6yDZs

Offline Darren Williams

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Re: V85 TT Merged Threadfest
« Reply #758 on: September 14, 2018, 12:38:34 PM »
I often switch between supermoto, big adventure bike, sport-tourer and then more conventional sport bikes. My riding style many times changes with the bike I am riding, meaning I will usually ride the SM and ADV bikes staying upright and chin over the inside grip with the butt slid to the inside of the seat (the "kiss the mirror" thing) on the sport bikes. Sometimes I get confused and try to hang off on the GS and, well never mind.

There is a real scientific reason flat trackers and road racers have different body positions.

I'm sure this bike will be a fun to ride one, but not in my future. Still digging the bigger displacement myself and weight has not been a problem since I gave up the track and stick to the street.
The best part of riding a motorcycle is to tilt the horizon and to lift the front coming out of a corner and to drift the back end powering thru loose dirt and to catch a little air topping a hill and... yeah it's all good!

Offline Daniel Kalal

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Re: V85 TT Merged Threadfest
« Reply #759 on: September 14, 2018, 01:52:34 PM »
A pendant hanging from your rear-view mirror while turning, or
An airplane making a coordinated turn, or
A motorcycle going around a curved road…

The angle is the same.  What defines the angle?  Velocity, radius and gravity.  That’s it.  Mass isn’t there and neither is the length of the string holding your pendant nor the height of the motorcycle, nor the weight of the motorcycle.

(V^2)/r = g tan theta
I'm pretty sure Gallileo would have known that equation.  Next up: we'll drop two balls from a tower: one heavier than the other...

Offline bad Chad

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Re: V85 TT Merged Threadfest
« Reply #760 on: September 14, 2018, 01:58:15 PM »
Good Golly Dudes, we are not even close to the off season here in the norther hemisphere!
Time to go find some girls to hang around!
« Last Edit: September 14, 2018, 02:02:08 PM by bad Chad »
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Offline Toecutter

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Re: V85 TT Merged Threadfest
« Reply #761 on: September 14, 2018, 02:00:00 PM »
I understood most of that. But what then changes when you lean your upper body and head closer to the mirror on the downside.

I mean my wedding tackle is still tickling the shifter either way, but I've been taught by a riding instructor that "kissing the mirror" like that reduces lean angle for a given speed.

A bike has maximum traction at "vertical". All factors being equal, "kissing the mirror" allows the bike to remain closer to vertical at a given speed, increasing traction.
Old enough to say I've done it, young enough to do it again.

Offline Unkept

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Re: V85 TT Merged Threadfest
« Reply #762 on: September 14, 2018, 02:21:21 PM »
I really want to test ride it.  :bike-037:




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Re: V85 TT Merged Threadfest
« Reply #763 on: September 14, 2018, 04:36:56 PM »
A pendant hanging from your rear-view mirror while turning, or
An airplane making a coordinated turn, or
A motorcycle going around a curved road�

The angle is the same.  What defines the angle?  Velocity, radius and gravity.  That�s it.  Mass isn�t there and neither is the length of the string holding your pendant nor the height of the motorcycle, nor the weight of the motorcycle.

(V^2)/r = g tan theta
I'm pretty sure Gallileo would have known that equation.  Next up: we'll drop two balls from a tower: one heavier than the other...
As you are well aware DK, you are correct.
There are guys in this world who ride extremely fast, and they can give you Physics based reasons why they do all sorts of juxstaposing of body positions and techniques.
Fact is, they are just damn good and even they don't necessarily know why, but their theories are hard to refute because they can do the business on the road or track.
Anywayyy.
I've done enough highjacking here, I'm off to the airport...
« Last Edit: September 14, 2018, 04:40:41 PM by Huzo »

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Re: V85 TT Merged Threadfest
« Reply #764 on: September 14, 2018, 04:49:15 PM »
Only if you're a moron and don't know the top and bottom lights in the traffic light mean different things.


Now don't be too hard on yourself Kev, no one thinks you're a moron..
(Especially me..)
I find you loveable in a brutish confrontational sort of way. :kiss: :wink:
« Last Edit: September 14, 2018, 04:51:21 PM by Huzo »

Offline egschade

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Re: V85 TT Merged Threadfest
« Reply #765 on: September 14, 2018, 05:09:36 PM »
Biggest factor in lean angle is traction. Narrower, knobby and/or harder tires will reduce available traction (friction) so you have to adjust. Same with surface - dirt, oil, tar strips, paint, road composition, suspension, tire profile, rubber compound and what many forget, tire age. The skilled motorcyclist will adjust their body position and riding style to use what traction is available. Ever ride an old bike with hard tires in the rain over horse manure? Better use lots of body and keep the bike as upright as possible (my Amish PA tour last year).

'Kissing the mirror' moves your body mass forward, down and to the inside of the turn which helps put weight on the front tire and keep the bike more upright, ostensibly helping improve tire friction.

But back to the V85 - will be interesting to see how it handles. I suspect a longer, more compliant suspension will be nicer on rough roads than anything you can do with the V7 setup.
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Offline Chuck in Indiana

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Re: V85 TT Merged Threadfest
« Reply #766 on: September 14, 2018, 06:04:11 PM »
For whatever reason, I'm getting some laughs out of WG tonight.
 :grin:
Maybe it's the Margarita with the fish tacos.. <shrug>
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Re: V85 TT Merged Threadfest
« Reply #767 on: September 14, 2018, 06:18:27 PM »
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Offline inditx

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Re: V85 TT Merged Threadfest
« Reply #768 on: September 14, 2018, 07:32:11 PM »
Green light?! I though orange meant go........
inditx

This is the day.....

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Re: V85 TT Merged Threadfest
« Reply #769 on: September 14, 2018, 11:59:09 PM »
Biggest factor in lean angle is traction. Narrower, knobby and/or harder tires will reduce available traction (friction) so you have to adjust. Same with surface - dirt, oil, tar strips, paint, road composition, suspension, tire profile, rubber compound and what many forget, tire age. The skilled motorcyclist will adjust their body position and riding style to use what traction is available. Ever ride an old bike with hard tires in the rain over horse manure? Better use lots of body and keep the bike as upright as possible (my Amish PA tour last year).

'Kissing the mirror' moves your body mass forward, down and to the inside of the turn which helps put weight on the front tire and keep the bike more upright, ostensibly helping improve tire friction.

But back to the V85 - will be interesting to see how it handles. I suspect a longer, more compliant suspension will be nicer on rough roads than anything you can do with the V7 setup.
I can't wait..

Offline twowheeladdict

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Re: V85 TT Merged Threadfest
« Reply #770 on: September 15, 2018, 07:43:40 AM »
A pendant hanging from your rear-view mirror while turning, or
An airplane making a coordinated turn, or
A motorcycle going around a curved road…

The angle is the same.  What defines the angle?  Velocity, radius and gravity.  That’s it.  Mass isn’t there and neither is the length of the string holding your pendant nor the height of the motorcycle, nor the weight of the motorcycle.

(V^2)/r = g tan theta
I'm pretty sure Gallileo would have known that equation.  Next up: we'll drop two balls from a tower: one heavier than the other...

The lean angle is affected by the location of the CG.  Move the CG to the inside of the turn and less lean angle is required to go around the turn than if you move the CG to the outside of the turn. 

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Re: V85 TT Merged Threadfest
« Reply #771 on: September 15, 2018, 09:07:41 AM »
The lean angle is affected by the location of the CG.  Move the CG to the inside of the turn and less lean angle is required to go around the turn than if you move the CG to the outside of the turn.
The C of G does not alter it's position.
Only the distribution of rider and machine masses relative to each other.
If the C of G was "inside" or "outside" of the turn, there would be a resultant vector in the "rolling" plane and the whole shooting match would go arse up..!
It's an inconvenient truth, but truth none the less.

Offline Mayor_of_BBQ

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Re: V85 TT Merged Threadfest
« Reply #772 on: September 15, 2018, 09:57:18 AM »
Is this correct?!? :shocked: :shocked: :shocked: :shocked: 

Does 55 HP seem a little...."anemic" to everyone, or it is just me? :huh: :huh: :huh:





The article is incorrect, it's not 'just' the v9 engine. it's same displacement, but many major changes (ie: not a wet sump).  It's not gonna make 85hp but it's not 55 either
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Offline bad Chad

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Re: V85 TT Merged Threadfest
« Reply #773 on: September 15, 2018, 03:59:42 PM »
Guzzi is still claiming 80hp at the crank!
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Offline twowheeladdict

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Re: V85 TT Merged Threadfest
« Reply #774 on: September 15, 2018, 11:18:35 PM »
The C of G does not alter it's position.
Only the distribution of rider and machine masses relative to each other.
If the C of G was "inside" or "outside" of the turn, there would be a resultant vector in the "rolling" plane and the whole shooting match would go arse up..!
It's an inconvenient truth, but truth none the less.

I AM talking about the CG of man and machine.   You can't ignore the man because the bike doesn't go around corners without him.  Why would you even focus on only the CG of the machine?  Just to prove a point?  The system going down the road consists of machine and man.  When the man leans into the turn the CG moves to the inside of the turn resulting in the machine not having to lean over as far thus less chance of exceeding the traction of the machine. 

If the man leans away from the turn the machine has to lean over at a greater angle to navigate the turn.
 
« Last Edit: September 15, 2018, 11:21:41 PM by twowheeladdict »
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Re: V85 TT Merged Threadfest
« Reply #775 on: September 16, 2018, 12:59:21 AM »
I AM talking about the CG of man and machine.   You can't ignore the man because the bike doesn't go around corners without him.  Why would you even focus on only the CG of the machine?  Just to prove a point?  The system going down the road consists of machine and man.  When the man leans into the turn the CG moves to the inside of the turn resulting in the machine not having to lean over as far thus less chance of exceeding the traction of the machine. 

If the man leans away from the turn the machine has to lean over at a greater angle to navigate the turn.
Yeah that's not in dispute.
I dunno where you think our differences of opinion lay. Can't be bothered discussing by text..

Offline twowheeladdict

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Re: V85 TT Merged Threadfest
« Reply #776 on: September 16, 2018, 08:40:07 AM »
Yeah that's not in dispute.
I dunno where you think our differences of opinion lay. Can't be bothered discussing by text..

when you tried to tell me that the CG does not alter its position. 

The CG of the "System" does alter based on rider position, luggage, accessories, etc.
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Re: V85 TT Merged Threadfest
« Reply #777 on: September 16, 2018, 08:52:38 AM »
when you tried to tell me that the CG does not alter its position. 

The CG of the "System" does alter based on rider position, luggage, accessories, etc.
That's not what I'm saying but that'll do for me.

Offline blackcat

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Re: V85 TT Merged Threadfest
« Reply #778 on: September 16, 2018, 10:39:09 AM »
Guzzi is still claiming 80hp at the crank!

"The engine is a two-cylinder 90° transverse air-cooled 850cc which, thanks to its complete redesign, has 80 HP of maximum power. A truly rewarding performance is assured on every route as well as guaranteeing to the V85 TT all the character and responsive acceleration Moto Guzzi is famed for."
http://discoverv85.motoguzzi.com/en/
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Offline JJ

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Re: V85 TT Merged Threadfest
« Reply #779 on: September 16, 2018, 01:51:26 PM »
The Bottom-Line:

* 80 HP
* about 441 pounds
* about $14,000 USD

:shocked: :shocked: :shocked: :shocked: :shocked: :shocked: :shocked: :shocked: :shocked: :shocked:
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