Open Differential theory of operation???
10-06-2005, 07:31 AM
#41
Guest
Posts: n/a
Re: Open Differential theory of operation???
Hi Mike
I like to make it out some time.
I just upgraded to a 05Rubie last spring.
Pretty impressive Jeep. So far I hardly needed 4X4 in my
limited Offroad excursions.
First rear wheel drive with a limited slip for me.
Apparently it can be snarly (limited slip) on snow covered roads.
Can't wait. Let it snow :-)
Frank
Mike Romain wrote:
> Figure for easy numbers that a wheel spinning on ice only needs 10 foot
> lb of power or torque to break free and spin. You barely have to touch
> the gas pedal to send that much power back.
>
> That would mean the other side wheel is still only getting 10 foot lb.,
> but it is on dirt so it just stays still. It would need 'say' 100 foot
> lb. to break free and spin.
>
> Now if you slam down on the brake pedal and mash the gas to the floor,
> it tries to stop the wheel spinning so the power or torque needed to
> compensate for the drag of the brake shoe goes up really high under full
> throttle. Once the torque on the spinning wheel passes the 100 foot lb.
> the stopped wheel needs to break free, away you go with both wheels
> spinning and the engine just a roaring.
>
> Come along on one of our winter runs and we can practice it. It works
> neat.
>
> Mike
>
> FrankW wrote:
>
>>That's the part that gets confusing.
>>How can one wheel have power if it's not turning at all
>>while the other wheel is spinning?
>>
>>Mike Romain wrote:
>>
>>>They both get equal 'power' Jeff. The spinning wheel just needs very
>>>little power to spin, so the stopped wheel also gets the same very
>>>little power.
>>>
>>>It 'acts' like you state though.
>>>
>>>Mike
>>>86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>>>88 Cherokee 235 BFG AT's
>>>
>>>Jeff Strickland wrote:
>>>
>>>
>>>>You're both right.
>>>>
>>>>Power is applied eaually to both wheels UNTIL one wheel breaks loose, then
>>>>it gets all of the power.
>>>>
>>>>"FrankW" <fworm@mxznorpak.ca> wrote in message
>>>>news:Raydnbe9F_r_Yt7eRVn-pw@magma.ca...
>>>>
>>>>
>>>>>Anyone have any links (Bill?) that describe exactly
>>>>>how the power is applied to the rear wheels on
>>>>>a open differential?
>>>>>I'm having a disagreement with one of our
>>>>>software engineers. I say the power is applied
>>>>>to one wheel only. He says otherwise.
>>>>>Maybe we're both wrong.
>>>>>Thanks in advance
>>>>>Cheers
>>>>>Frank
>>>>>
I like to make it out some time.
I just upgraded to a 05Rubie last spring.
Pretty impressive Jeep. So far I hardly needed 4X4 in my
limited Offroad excursions.
First rear wheel drive with a limited slip for me.
Apparently it can be snarly (limited slip) on snow covered roads.
Can't wait. Let it snow :-)
Frank
Mike Romain wrote:
> Figure for easy numbers that a wheel spinning on ice only needs 10 foot
> lb of power or torque to break free and spin. You barely have to touch
> the gas pedal to send that much power back.
>
> That would mean the other side wheel is still only getting 10 foot lb.,
> but it is on dirt so it just stays still. It would need 'say' 100 foot
> lb. to break free and spin.
>
> Now if you slam down on the brake pedal and mash the gas to the floor,
> it tries to stop the wheel spinning so the power or torque needed to
> compensate for the drag of the brake shoe goes up really high under full
> throttle. Once the torque on the spinning wheel passes the 100 foot lb.
> the stopped wheel needs to break free, away you go with both wheels
> spinning and the engine just a roaring.
>
> Come along on one of our winter runs and we can practice it. It works
> neat.
>
> Mike
>
> FrankW wrote:
>
>>That's the part that gets confusing.
>>How can one wheel have power if it's not turning at all
>>while the other wheel is spinning?
>>
>>Mike Romain wrote:
>>
>>>They both get equal 'power' Jeff. The spinning wheel just needs very
>>>little power to spin, so the stopped wheel also gets the same very
>>>little power.
>>>
>>>It 'acts' like you state though.
>>>
>>>Mike
>>>86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>>>88 Cherokee 235 BFG AT's
>>>
>>>Jeff Strickland wrote:
>>>
>>>
>>>>You're both right.
>>>>
>>>>Power is applied eaually to both wheels UNTIL one wheel breaks loose, then
>>>>it gets all of the power.
>>>>
>>>>"FrankW" <fworm@mxznorpak.ca> wrote in message
>>>>news:Raydnbe9F_r_Yt7eRVn-pw@magma.ca...
>>>>
>>>>
>>>>>Anyone have any links (Bill?) that describe exactly
>>>>>how the power is applied to the rear wheels on
>>>>>a open differential?
>>>>>I'm having a disagreement with one of our
>>>>>software engineers. I say the power is applied
>>>>>to one wheel only. He says otherwise.
>>>>>Maybe we're both wrong.
>>>>>Thanks in advance
>>>>>Cheers
>>>>>Frank
>>>>>
10-06-2005, 07:31 AM
#42
Guest
Posts: n/a
Re: Open Differential theory of operation???
Hi Mike
I like to make it out some time.
I just upgraded to a 05Rubie last spring.
Pretty impressive Jeep. So far I hardly needed 4X4 in my
limited Offroad excursions.
First rear wheel drive with a limited slip for me.
Apparently it can be snarly (limited slip) on snow covered roads.
Can't wait. Let it snow :-)
Frank
Mike Romain wrote:
> Figure for easy numbers that a wheel spinning on ice only needs 10 foot
> lb of power or torque to break free and spin. You barely have to touch
> the gas pedal to send that much power back.
>
> That would mean the other side wheel is still only getting 10 foot lb.,
> but it is on dirt so it just stays still. It would need 'say' 100 foot
> lb. to break free and spin.
>
> Now if you slam down on the brake pedal and mash the gas to the floor,
> it tries to stop the wheel spinning so the power or torque needed to
> compensate for the drag of the brake shoe goes up really high under full
> throttle. Once the torque on the spinning wheel passes the 100 foot lb.
> the stopped wheel needs to break free, away you go with both wheels
> spinning and the engine just a roaring.
>
> Come along on one of our winter runs and we can practice it. It works
> neat.
>
> Mike
>
> FrankW wrote:
>
>>That's the part that gets confusing.
>>How can one wheel have power if it's not turning at all
>>while the other wheel is spinning?
>>
>>Mike Romain wrote:
>>
>>>They both get equal 'power' Jeff. The spinning wheel just needs very
>>>little power to spin, so the stopped wheel also gets the same very
>>>little power.
>>>
>>>It 'acts' like you state though.
>>>
>>>Mike
>>>86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>>>88 Cherokee 235 BFG AT's
>>>
>>>Jeff Strickland wrote:
>>>
>>>
>>>>You're both right.
>>>>
>>>>Power is applied eaually to both wheels UNTIL one wheel breaks loose, then
>>>>it gets all of the power.
>>>>
>>>>"FrankW" <fworm@mxznorpak.ca> wrote in message
>>>>news:Raydnbe9F_r_Yt7eRVn-pw@magma.ca...
>>>>
>>>>
>>>>>Anyone have any links (Bill?) that describe exactly
>>>>>how the power is applied to the rear wheels on
>>>>>a open differential?
>>>>>I'm having a disagreement with one of our
>>>>>software engineers. I say the power is applied
>>>>>to one wheel only. He says otherwise.
>>>>>Maybe we're both wrong.
>>>>>Thanks in advance
>>>>>Cheers
>>>>>Frank
>>>>>
I like to make it out some time.
I just upgraded to a 05Rubie last spring.
Pretty impressive Jeep. So far I hardly needed 4X4 in my
limited Offroad excursions.
First rear wheel drive with a limited slip for me.
Apparently it can be snarly (limited slip) on snow covered roads.
Can't wait. Let it snow :-)
Frank
Mike Romain wrote:
> Figure for easy numbers that a wheel spinning on ice only needs 10 foot
> lb of power or torque to break free and spin. You barely have to touch
> the gas pedal to send that much power back.
>
> That would mean the other side wheel is still only getting 10 foot lb.,
> but it is on dirt so it just stays still. It would need 'say' 100 foot
> lb. to break free and spin.
>
> Now if you slam down on the brake pedal and mash the gas to the floor,
> it tries to stop the wheel spinning so the power or torque needed to
> compensate for the drag of the brake shoe goes up really high under full
> throttle. Once the torque on the spinning wheel passes the 100 foot lb.
> the stopped wheel needs to break free, away you go with both wheels
> spinning and the engine just a roaring.
>
> Come along on one of our winter runs and we can practice it. It works
> neat.
>
> Mike
>
> FrankW wrote:
>
>>That's the part that gets confusing.
>>How can one wheel have power if it's not turning at all
>>while the other wheel is spinning?
>>
>>Mike Romain wrote:
>>
>>>They both get equal 'power' Jeff. The spinning wheel just needs very
>>>little power to spin, so the stopped wheel also gets the same very
>>>little power.
>>>
>>>It 'acts' like you state though.
>>>
>>>Mike
>>>86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>>>88 Cherokee 235 BFG AT's
>>>
>>>Jeff Strickland wrote:
>>>
>>>
>>>>You're both right.
>>>>
>>>>Power is applied eaually to both wheels UNTIL one wheel breaks loose, then
>>>>it gets all of the power.
>>>>
>>>>"FrankW" <fworm@mxznorpak.ca> wrote in message
>>>>news:Raydnbe9F_r_Yt7eRVn-pw@magma.ca...
>>>>
>>>>
>>>>>Anyone have any links (Bill?) that describe exactly
>>>>>how the power is applied to the rear wheels on
>>>>>a open differential?
>>>>>I'm having a disagreement with one of our
>>>>>software engineers. I say the power is applied
>>>>>to one wheel only. He says otherwise.
>>>>>Maybe we're both wrong.
>>>>>Thanks in advance
>>>>>Cheers
>>>>>Frank
>>>>>
10-06-2005, 07:31 AM
#43
Guest
Posts: n/a
Re: Open Differential theory of operation???
Hi Mike
I like to make it out some time.
I just upgraded to a 05Rubie last spring.
Pretty impressive Jeep. So far I hardly needed 4X4 in my
limited Offroad excursions.
First rear wheel drive with a limited slip for me.
Apparently it can be snarly (limited slip) on snow covered roads.
Can't wait. Let it snow :-)
Frank
Mike Romain wrote:
> Figure for easy numbers that a wheel spinning on ice only needs 10 foot
> lb of power or torque to break free and spin. You barely have to touch
> the gas pedal to send that much power back.
>
> That would mean the other side wheel is still only getting 10 foot lb.,
> but it is on dirt so it just stays still. It would need 'say' 100 foot
> lb. to break free and spin.
>
> Now if you slam down on the brake pedal and mash the gas to the floor,
> it tries to stop the wheel spinning so the power or torque needed to
> compensate for the drag of the brake shoe goes up really high under full
> throttle. Once the torque on the spinning wheel passes the 100 foot lb.
> the stopped wheel needs to break free, away you go with both wheels
> spinning and the engine just a roaring.
>
> Come along on one of our winter runs and we can practice it. It works
> neat.
>
> Mike
>
> FrankW wrote:
>
>>That's the part that gets confusing.
>>How can one wheel have power if it's not turning at all
>>while the other wheel is spinning?
>>
>>Mike Romain wrote:
>>
>>>They both get equal 'power' Jeff. The spinning wheel just needs very
>>>little power to spin, so the stopped wheel also gets the same very
>>>little power.
>>>
>>>It 'acts' like you state though.
>>>
>>>Mike
>>>86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>>>88 Cherokee 235 BFG AT's
>>>
>>>Jeff Strickland wrote:
>>>
>>>
>>>>You're both right.
>>>>
>>>>Power is applied eaually to both wheels UNTIL one wheel breaks loose, then
>>>>it gets all of the power.
>>>>
>>>>"FrankW" <fworm@mxznorpak.ca> wrote in message
>>>>news:Raydnbe9F_r_Yt7eRVn-pw@magma.ca...
>>>>
>>>>
>>>>>Anyone have any links (Bill?) that describe exactly
>>>>>how the power is applied to the rear wheels on
>>>>>a open differential?
>>>>>I'm having a disagreement with one of our
>>>>>software engineers. I say the power is applied
>>>>>to one wheel only. He says otherwise.
>>>>>Maybe we're both wrong.
>>>>>Thanks in advance
>>>>>Cheers
>>>>>Frank
>>>>>
I like to make it out some time.
I just upgraded to a 05Rubie last spring.
Pretty impressive Jeep. So far I hardly needed 4X4 in my
limited Offroad excursions.
First rear wheel drive with a limited slip for me.
Apparently it can be snarly (limited slip) on snow covered roads.
Can't wait. Let it snow :-)
Frank
Mike Romain wrote:
> Figure for easy numbers that a wheel spinning on ice only needs 10 foot
> lb of power or torque to break free and spin. You barely have to touch
> the gas pedal to send that much power back.
>
> That would mean the other side wheel is still only getting 10 foot lb.,
> but it is on dirt so it just stays still. It would need 'say' 100 foot
> lb. to break free and spin.
>
> Now if you slam down on the brake pedal and mash the gas to the floor,
> it tries to stop the wheel spinning so the power or torque needed to
> compensate for the drag of the brake shoe goes up really high under full
> throttle. Once the torque on the spinning wheel passes the 100 foot lb.
> the stopped wheel needs to break free, away you go with both wheels
> spinning and the engine just a roaring.
>
> Come along on one of our winter runs and we can practice it. It works
> neat.
>
> Mike
>
> FrankW wrote:
>
>>That's the part that gets confusing.
>>How can one wheel have power if it's not turning at all
>>while the other wheel is spinning?
>>
>>Mike Romain wrote:
>>
>>>They both get equal 'power' Jeff. The spinning wheel just needs very
>>>little power to spin, so the stopped wheel also gets the same very
>>>little power.
>>>
>>>It 'acts' like you state though.
>>>
>>>Mike
>>>86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>>>88 Cherokee 235 BFG AT's
>>>
>>>Jeff Strickland wrote:
>>>
>>>
>>>>You're both right.
>>>>
>>>>Power is applied eaually to both wheels UNTIL one wheel breaks loose, then
>>>>it gets all of the power.
>>>>
>>>>"FrankW" <fworm@mxznorpak.ca> wrote in message
>>>>news:Raydnbe9F_r_Yt7eRVn-pw@magma.ca...
>>>>
>>>>
>>>>>Anyone have any links (Bill?) that describe exactly
>>>>>how the power is applied to the rear wheels on
>>>>>a open differential?
>>>>>I'm having a disagreement with one of our
>>>>>software engineers. I say the power is applied
>>>>>to one wheel only. He says otherwise.
>>>>>Maybe we're both wrong.
>>>>>Thanks in advance
>>>>>Cheers
>>>>>Frank
>>>>>
10-06-2005, 07:32 PM
#44
Guest
Posts: n/a
Re: Open Differential theory of operation???
Frank,
Maybe this will help you out.
http://auto.howstuffworks.com/differential.htm
Andy
"FrankW" <fworm@mxznorpak.ca> wrote in message
news:Raydnbe9F_r_Yt7eRVn-pw@magma.ca...
> Anyone have any links (Bill?) that describe exactly
> how the power is applied to the rear wheels on
> a open differential?
> I'm having a disagreement with one of our
> software engineers. I say the power is applied
> to one wheel only. He says otherwise.
> Maybe we're both wrong.
> Thanks in advance
> Cheers
> Frank
>
Maybe this will help you out.
http://auto.howstuffworks.com/differential.htm
Andy
"FrankW" <fworm@mxznorpak.ca> wrote in message
news:Raydnbe9F_r_Yt7eRVn-pw@magma.ca...
> Anyone have any links (Bill?) that describe exactly
> how the power is applied to the rear wheels on
> a open differential?
> I'm having a disagreement with one of our
> software engineers. I say the power is applied
> to one wheel only. He says otherwise.
> Maybe we're both wrong.
> Thanks in advance
> Cheers
> Frank
>
10-06-2005, 07:32 PM
#45
Guest
Posts: n/a
Re: Open Differential theory of operation???
Frank,
Maybe this will help you out.
http://auto.howstuffworks.com/differential.htm
Andy
"FrankW" <fworm@mxznorpak.ca> wrote in message
news:Raydnbe9F_r_Yt7eRVn-pw@magma.ca...
> Anyone have any links (Bill?) that describe exactly
> how the power is applied to the rear wheels on
> a open differential?
> I'm having a disagreement with one of our
> software engineers. I say the power is applied
> to one wheel only. He says otherwise.
> Maybe we're both wrong.
> Thanks in advance
> Cheers
> Frank
>
Maybe this will help you out.
http://auto.howstuffworks.com/differential.htm
Andy
"FrankW" <fworm@mxznorpak.ca> wrote in message
news:Raydnbe9F_r_Yt7eRVn-pw@magma.ca...
> Anyone have any links (Bill?) that describe exactly
> how the power is applied to the rear wheels on
> a open differential?
> I'm having a disagreement with one of our
> software engineers. I say the power is applied
> to one wheel only. He says otherwise.
> Maybe we're both wrong.
> Thanks in advance
> Cheers
> Frank
>
10-06-2005, 07:32 PM
#46
Guest
Posts: n/a
Re: Open Differential theory of operation???
Frank,
Maybe this will help you out.
http://auto.howstuffworks.com/differential.htm
Andy
"FrankW" <fworm@mxznorpak.ca> wrote in message
news:Raydnbe9F_r_Yt7eRVn-pw@magma.ca...
> Anyone have any links (Bill?) that describe exactly
> how the power is applied to the rear wheels on
> a open differential?
> I'm having a disagreement with one of our
> software engineers. I say the power is applied
> to one wheel only. He says otherwise.
> Maybe we're both wrong.
> Thanks in advance
> Cheers
> Frank
>
Maybe this will help you out.
http://auto.howstuffworks.com/differential.htm
Andy
"FrankW" <fworm@mxznorpak.ca> wrote in message
news:Raydnbe9F_r_Yt7eRVn-pw@magma.ca...
> Anyone have any links (Bill?) that describe exactly
> how the power is applied to the rear wheels on
> a open differential?
> I'm having a disagreement with one of our
> software engineers. I say the power is applied
> to one wheel only. He says otherwise.
> Maybe we're both wrong.
> Thanks in advance
> Cheers
> Frank
>
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