HarleyTechTalk

This brought up an interesting question..

QuoteI'll have to review the vids myself but I recall that the runout while the clutch was released was less than when engaged. (Yes, I'm using those terms accurately)

When you release the clutch lever, what do you do to the clutch.. Engage or disengage the clutch?

To my mind, which admittedly is not always engaged, when you release the clutch lever you are engaging the clutch (reason being it's called a "clutch").
Pulling the lever disengages the "clutch".
Cheers, Jeff

when you release the clutch lever you are engaging the clutch......... Pulling the lever disengages the "clutch".



signed....BUBBIE

+1   

Find some whiskey, man!

Quote from: rigidthumper on February 27, 2016, 06:06:50 PM
Find some whiskey, man!

I did.. 

I remember being released once, but it didn't have anything to do with a clutch. Something about recognizance I think.

Quote from: rigidthumper on February 27, 2016, 06:06:50 PM
Find some whiskey, man!

Engage man, engage! 

is this a tech thread?   I need a beer

Quote from: nibroc on February 27, 2016, 07:21:47 PM
is this a tech thread?   I need a beer

We will see if he moves his own thread to Earls Place. 

Quote from: Coyote on February 27, 2016, 07:27:23 PM

Quote from: nibroc on February 27, 2016, 07:21:47 PM
is this a tech thread?   I need a beer

We will see if he moves his own thread to Earls Place. 

I'm thinking about it..

The key to the usage is the SUBJECT. If the subject is the "clutch", then what's being released or engaged is that mechanism between the engine and trans.
If the subject is the "lever", it's that handle. It's really simple.... Except that the handle and the mechanism happen to have inverse operations.
Engage one to release the other.

Which means, don't say "clutch" when you really mean "lever".

Edit to add: the problem gets bigger when people call the the lever.... The clutch.

There, we're back on the technical side.

Yup. Long winter for sure!   

Quote from: Flhfxd on February 27, 2016, 09:12:32 PM
Yup. Long winter for sure!   

Road 240 miles on Wednesday and about 200 on Friday.. Had to pull the liner out of my leather jacket as it was too warm.. In shorts today..

Quote from: Max Headflow on February 27, 2016, 09:17:40 PM
.. In shorts today..

Did you buy a v-rod?

Quote from: -deuced- on February 27, 2016, 09:38:20 PM

Quote from: Max Headflow on February 27, 2016, 09:17:40 PM
.. In shorts today..

Did you buy a v-rod?

Hey.. I didn't say I road a motorcycle that way.. 

If a clutch is "engaged" meaning lever pulled in.It's doing what a clutch does. Meaning basically you're not moving. Disengage the clutch...letting the lever out...you start moving.

Quote from: Flhfxd on February 27, 2016, 09:12:32 PM
Yup. Long winter for sure!   

How true. It only hit 75 today. Brrrr

 To my mind the clutch is "engaged" when it is transmitting mechanical movement from an input to an output .....guess that would mean the lever is being released. Interesting point to ponder though ....

Quote from: Jaystn62 on February 27, 2016, 10:20:40 PM
If a clutch is "engaged" meaning lever pulled in.It's doing what a clutch does. Meaning basically you're not moving. Disengage the clutch...letting the lever out...you start moving.

:nope:

Engaged means "connected" like when you gave her the ring....

Released means, like when she threw it back at you.

Quote from: masstch on February 27, 2016, 07:37:00 PM
The key to the usage is the SUBJECT. If the subject is the "clutch", then what's being released or engaged is that mechanism between the engine and trans.
If the subject is the "lever", it's that handle. It's really simple.... Except that the handle and the mechanism happen to have inverse operations.
Engage one to release the other.

Which means, don't say "clutch" when you really mean "lever".

Edit to add: the problem gets bigger when people call the the lever.... The clutch.

There, we're back on the technical side.

This is more of a MAX answer than any of the other reply's......... 

Meh, you're all wrong.

Automotive clutches feature one or more pressure/frictions plates held together with springs, and power is transmitted through the clutch by way of the friction created by the pressure of the springs forcing the plates together.

When you pull the lever, stand on the pedal, press the button, whatever, the springs are acted against and the force is transferred from pressing the friction plates together to pushing the lever that the operator has used.

In engineering two parts are "engaged" when they are in contact and in mesh, and they are "disengaged" when they are not in contact and in mesh, so it is not just clutch, but also gear pinions and so on.

Power that any given clutch can transmit is a function of the frictrion plate materials and the pressure on them, RPM is irellevant, pressure is the sole regulator of the maximum torque that the clutch will transmit at any one time.

Provided the prime mover / motor is capable of supplying more torque than the clutch can transmit at that pressure setting, the engine will not stall, revving the engine will not transmit any more torque, only increasing the pressure on the clutch plates will do that.

Increasing the strength of clutch springs increases the pressure and therefore increases the maximum torque before slippage.

It was always a basic / good test of both the driver and the drive train, you should be able to take off on a flat surface with just the clutch, no throttle, and progress gently through the gears on tickover.

To repeat, in engineering if two items are in solid contact and meshed then they are engaged, and if they are not in solid contact and meshed then they are not engaged.

Truckers and farm tractor drivers will engage and disengage the PTO etc.


I'm giving up smoking, makes me even more of a pedantic asshole....

When the outer hub is driving the inner hub.  It is engaged.  Lever position has nothing to do with it.  A slipping clutch is not engaged fully while slipping.  Lever could be out and clutch pushrod might be adjusted too long and clutch wont engage.  At the same time.  The clutch can be engaged and that doesn't mean it is going to drive the rear wheel.  Belt might be broke.

This comes from the train of thought of trouble shooting.  Several different components make up the drive train.  All have specific jobs, and making sure each one is doing their job separately so it can all work together. 

I believe I will refrain from Engaging in this thread. Oops! I just did.   

I should have........