Development of the Differential Gear - straightforward video

All non-Cub/Cadet/IH/Farmall/Case tractor and machinery discussions.

Moderator: Team Cub

Forum rules
Notice: For sale and wanted posts are not allowed in this forum. Please use our free classifieds or one of our site sponsors for your tractor and parts needs.

Development of the Differential Gear - straightforward video

Postby DavidG » Tue Jan 01, 2013 8:45 am

I ran across this on youtube and had to share. I've never been entirely clear on how, exactly, a rear differential does its job. No longer!
A video from 1930s Chevrolet, showing the conceptual development of the differential.



Also, I had no idea that early cars were ONE wheel drive. Well, there wasn't a differential yet!
DavidG
Cub Star
Cub Star
 
Posts: 64
Joined: Sat Mar 06, 2010 6:55 am
Location: Northern Virginia
Zip Code: 22182
Circle of Safety Award
Circle of Safety: Y

Re: Development of the Differential Gear - straightforward v

Postby John *.?-!.* cub owner » Tue Jan 01, 2013 10:55 am

Thanks David, I knew the basis of how a differential worked, that that is a very good explanation of it.
"The Constitution is not an instrument for the government
to restrain the people, it is an instrument for the people to restrain the
government lest it come to dominate our lives and interests." Patrick Henry
User avatar
John *.?-!.* cub owner
Team Cub Guide
Team Cub Guide
 
Posts: 19450
Joined: Sun Feb 02, 2003 2:09 pm
Location: Mo, Potosi
Zip Code: 63664
Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.

Re: Development of the Differential Gear - straightforward v

Postby Bob McCarty » Tue Jan 01, 2013 11:43 am

I wonder if they got a couple of log rollers to run on the tires at the end.

Bob
"We don't need to think more,
we need to think differently."
-Albert Einstein
Bob McCarty
Team Cub Mentor
Team Cub Mentor
 
Posts: 5616
Joined: Tue May 25, 2004 8:02 pm
Location: CO, Longmont
Zip Code: 80501
Circle of Safety Award
Circle of Safety: Y

Re: Development of the Differential Gear - straightforward v

Postby Boss Hog » Tue Jan 01, 2013 1:17 pm

nice
IN GOD WE TRUST
All others pay cash
Boss Hog
Power corrupts; absolute power corrupts absolutely byJohn Emerich Edward Dalberg
User avatar
Boss Hog
Cub Pro
Cub Pro
 
Posts: 9802
Joined: Mon Oct 24, 2005 8:35 pm
Location: VA. Randolph
Zip Code: 23962
eBay ID: dmb2613
Circle of Safety Award
Circle of Safety: Y

Re: Development of the Differential Gear - straightforward v

Postby Jim Becker » Tue Jan 01, 2013 1:49 pm

DavidG wrote:Also, I had no idea that early cars were ONE wheel drive. Well, there wasn't a differential yet!

The differential dates back at least to the early days of steam propulsion. I doubt that many producton cars were one-wheel drive. I imagine there were experimental cars built that way.
User avatar
Jim Becker
Team Cub
Team Cub
 
Posts: 11920
Joined: Sun Feb 02, 2003 3:14 pm
Location: MN
Zip Code: 75048
Circle of Safety Award
Circle of Safety: Y

Re: Development of the Differential Gear - straightforward v

Postby Winfield Dave » Tue Jan 01, 2013 6:56 pm

John *.?-!.* cub owner wrote:Thanks David, I knew the basis of how a differential worked, that that is a very good explanation of it.
:Dito: :Dito: Thanks !! :D
Dave
"More gold has been mined from the thoughts of men than has been taken from the earth." -- Napoleon Hill
User avatar
Winfield Dave
501 Club
501 Club
 
Posts: 2635
Joined: Thu Apr 22, 2010 2:31 pm
Location: PA, Middleport (Schuylkill County)
Zip Code: 17953
Tractors Owned: ......Almost enough
Circle of Safety Award
Circle of Safety: Y

Re: Development of the Differential Gear - straightforward v

Postby Gary Dotson » Wed Jan 02, 2013 7:40 am

I agree with John, although I've worked with them most of my life, I would have never thought to explain them with sticks. Got to love those old training videos! Thanks, David!
Gary Dotson
Team Cub Mentor
Team Cub Mentor
 
Posts: 2559
Joined: Thu Aug 03, 2006 6:20 am
Location: OH West Mansfield
Zip Code: 43358
Tractors Owned: 48 Cub Diesel (Cubota)
53 Cockshutt 20 restored (Shooter)
52 Cockshutt 20 unrestored
47 Leader "B" (Herckie)
49 Leader "D" (Princess)
49 Leader "D" very rough
48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D
Circle of Safety Award
Circle of Safety: Y

Re: Development of the Differential Gear - straightforward v

Postby beaconlight » Wed Jan 02, 2013 8:05 am

OK I get that now. Is there some thing like this to explain "Posi traction"?
Bill

"Life's tough.It's even tougher if you're stupid."
- John Wayne

" We hang petty thieves and appoint the great ones to public office."
- Aesop
User avatar
beaconlight
Cub Pro
Cub Pro
 
Posts: 7701
Joined: Thu Aug 19, 2004 2:31 pm
Location: NY Staten Island & Franklin
Zip Code: 10314

Re: Development of the Differential Gear - straightforward v

Postby Gary Dotson » Wed Jan 02, 2013 8:25 am

Bill, there are variations on the design, along with a lot of different names for them, but most are simply a slip clutch, on the axle shaft gears that create resistance for the differential to function as it does in the video.
Gary Dotson
Team Cub Mentor
Team Cub Mentor
 
Posts: 2559
Joined: Thu Aug 03, 2006 6:20 am
Location: OH West Mansfield
Zip Code: 43358
Tractors Owned: 48 Cub Diesel (Cubota)
53 Cockshutt 20 restored (Shooter)
52 Cockshutt 20 unrestored
47 Leader "B" (Herckie)
49 Leader "D" (Princess)
49 Leader "D" very rough
48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D
Circle of Safety Award
Circle of Safety: Y

Re: Development of the Differential Gear - straightforward v

Postby Jim Becker » Wed Jan 02, 2013 11:40 am

Here is one on the Eaton locking differential that GM uses. It is one of the more complicated designs. You may have to watch it more than once.

User avatar
Jim Becker
Team Cub
Team Cub
 
Posts: 11920
Joined: Sun Feb 02, 2003 3:14 pm
Location: MN
Zip Code: 75048
Circle of Safety Award
Circle of Safety: Y

Re: Development of the Differential Gear - straightforward v

Postby beaconlight » Wed Jan 02, 2013 1:04 pm

Thanks Jim and Gary
Bill

"Life's tough.It's even tougher if you're stupid."
- John Wayne

" We hang petty thieves and appoint the great ones to public office."
- Aesop
User avatar
beaconlight
Cub Pro
Cub Pro
 
Posts: 7701
Joined: Thu Aug 19, 2004 2:31 pm
Location: NY Staten Island & Franklin
Zip Code: 10314

Re: Development of the Differential Gear - straightforward v

Postby Gary Dotson » Thu Jan 03, 2013 8:23 am

Jim, thanks for posting that video. Yes, that is one of the more complex units out there. They work well and I've never had the need to repair one, so I found the video very informative. I guess I was over simplifying the question but I'm not much on giving long winded answers. There are also a couple of gear style limited slips out there but we would for sure need videos to explain those things.
Gary Dotson
Team Cub Mentor
Team Cub Mentor
 
Posts: 2559
Joined: Thu Aug 03, 2006 6:20 am
Location: OH West Mansfield
Zip Code: 43358
Tractors Owned: 48 Cub Diesel (Cubota)
53 Cockshutt 20 restored (Shooter)
52 Cockshutt 20 unrestored
47 Leader "B" (Herckie)
49 Leader "D" (Princess)
49 Leader "D" very rough
48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D
Circle of Safety Award
Circle of Safety: Y


Return to Other Tractors and Machinery

Who is online

Users browsing this forum: No registered users and 1 guest