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Old 12-16-2009, 11:51 PM   #1
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Differential Explained

http://www.youtube.com/watch?v=K4JhruinbWc
Starts slow, but is really pretty neat.
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Old 12-17-2009, 07:11 AM   #2
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I've seen that one before...it really is great. The meat starts at about 3:30.

[yt]K4JhruinbWc[/yt]
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Old 12-17-2009, 07:35 PM   #3
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Great video...breaking down the principle of the differential gear into easily understood pieces.

I guess they hadn't invented the driveshaft tunnel yet...
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Old 12-18-2009, 12:34 AM   #4
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the wha? the model T had a driveshaft tunnel. my AA does. god that thing is a beast! axle and tube weigh prolly 900 lbs of pure AMERICAN steel AND its a worm gear drive rearend.

i first learned of how a differential works from believe it or not but legos (actually the Technic side of legos)
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Old 12-18-2009, 09:07 AM   #5
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How about the Torson differential . . . that was a major improvement. My BMW R100S has a swingarm with the shaft inside it to the rear end but it is not a differential. It does however use an offset from center pinion to drive the crown gear so it is sort of a worm drive. After I teflon empregnated the gears it became much easier to bump start in 1st gear where as before the rear wheel would lock up.
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Old 12-18-2009, 06:27 PM   #6
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Quote:
Originally Posted by VetteOwner View Post
the wha? the model T had a driveshaft tunnel. my AA does. god that thing is a beast! axle and tube weigh prolly 900 lbs of pure AMERICAN steel AND its a worm gear drive rearend.

i first learned of how a differential works from believe it or not but legos (actually the Technic side of legos)
I think you are thinking about the torque tube, which was a tube which enclosed the driveshaft. IIRC, Model Ts, Model As, and a bunch of other older model cars used that. I was talking about that hump down the middle of the floor on RWD cars...that place where you don't want to sit when you have 5 or six people in a six-passenger car...
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Old 12-20-2009, 12:21 AM   #7
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Quote:
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I think you are thinking about the torque tube, which was a tube which enclosed the driveshaft. IIRC, Model Ts, Model As, and a bunch of other older model cars used that. I was talking about that hump down the middle of the floor on RWD cars...that place where you don't want to sit when you have 5 or six people in a six-passenger car...
ahhh yea lol. yea that tube came about because cars were getting lower and faster (better handiling and lower due to better road imprevements. gotta remember T and A days roads were dirt and commonly got washed out/rutted. had to have high ground clearance and be rugged.

even up into the 50's roads were dirt (some still are)
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Old 12-21-2009, 06:28 AM   #8
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That hump is still there for the exhaust pipe now even on front wheel drive cars.
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Old 12-21-2009, 06:42 AM   #9
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I think the hump is also structural to stiffen the floor.
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Old 12-21-2009, 09:38 PM   #10
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I think the hump is also structural to stiffen the floor.
yea part exhaust routing part structural (or could be structural and decided to route the exhaust there
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