The Ford Barn - car jacks

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- - car jacks (https://www.fordbarn.com/forum/showthread.php?t=237576)

Ron P.

01-20-2018 03:10 PM

car jacks

3 Attachment(s)

I purchased these two car jacks at a flee market. I think one is a Model A
jack, but i have no idea what the other one is. They look very similar and are probably made by the same vendor. What's your guess?

Bob C

01-20-2018 04:09 PM

Re: car jacks

I don't think either one is Model A.

Bob

figment

01-20-2018 04:34 PM

Re: car jacks

I agree , both have the second stage screw that is not original Model A

burner31

01-20-2018 07:55 PM

Re: car jacks

Damn, I have one just like those

NCRebel

01-21-2018 12:33 AM

Re: car jacks

I think they are made by the same company (no knowledge whom) with wrench heads being the only difference.

3.6rs

01-21-2018 01:02 AM

Re: car jacks

5 Attachment(s)

Since we are talking jacks here, what are these ?

BILL WILLIAMSON

01-21-2018 10:16 PM

Re: car jacks

Quote:

Originally Posted by 3.6rs (Post 1582123)

Since we are talking jacks here, what are these ?

Dog:cool: here,
Those are JACKS, also:D
Buster T.:cool:

burner31

01-21-2018 10:59 PM

Re: car jacks

1 Attachment(s)

here's mine

cjkohnast

01-22-2018 09:38 AM

Re: car jacks

That dog has a good sense of hummor

BILL WILLIAMSON

01-22-2018 09:55 AM

Re: car jacks

Quote:

Originally Posted by cjkohnast (Post 1582614)

That dog has a good sense of hummor

CJ,
You should see STRANGE, FUNNY things he does here:D He does things I don't even TRY to understand???? "Maybe" it's his WILD DOG Genes showing up! He has about 7 ancestors, in his make up, including 2 Greyhound type Dogs:cool:
Google: "Rat Terrier History" & you'll be AMAZED!:eek:
Bill Dogslave

JRShaw

01-22-2018 10:25 AM

Re: car jacks

Quote:

Originally Posted by figment (Post 1581937)

I agree , both have the second stage screw that is not original Model A

Gentlemen: What are we talking about here? What exactly is a "second stage" for any jack? Have been around cars & machinery for a long time and have never heard this tem used in reference to a jack. Thank You in Advance.

BILL WILLIAMSON

01-22-2018 10:52 AM

Re: car jacks

Quote:

Originally Posted by JRShaw (Post 1582640)

JR,
It's a SECOND screw that comes into play, that EXTENDS the HEIGHT:eek:
Bill Tall

Keith True

01-22-2018 10:55 AM

Re: car jacks

In a two stage jack the first screw goes up a certain amount,or until it bottoms out.Then,the second screw takes over and goes up some more.Like a forklift,the forks alone go up until the hit the top height of the machine.Then,the second stage piston takes over and goes up mast and all to the next stage.That's how you can pick up things 15 feet in the air with a machine that stands 6 feet tall.Same with a 2 or 3 stage jack.

160B	01-22-2018 11:57 AM

Re: car jacks

Here is the MAFCA web site information on jacks.

http://mafca.com/tqa_jacks.html

Also the RG&JS have 4 pages on jacks. RG&JS 17-4 through 17-7 revised 2016.

160B	01-24-2018 04:36 PM

Re: car jacks

1 Attachment(s)

The one jack on the Right in the first photo could be a C-2 if it has the correct dimensions, and if it has a single threaded drive screw (not a double internal-external screw).The one on the left is not a C-2 Jack, close but not totally correct.

See attached RG&JS page 17-6 Revised 2016.
Here is a link to the RG&JS very helpful.

https://mafca.com/cart/index.php?productID=115

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