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STXM38A1
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Joined: Jul 25, 2009
Posts: 139
Location: Fair Oaks Ranch, Texas
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RICKG
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Joined: Aug 31, 2010
Posts: 1741
Location: SO IDAHO
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 Posted: Wed May 23, 2012 1:41 pm Post subject: |
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| STXM38A1 wrote: | | Enough theory. Somebody get one and put it through field trials! |
OK Warren, you buy it ship it to me and i'll put it to the test
and save you all the trouble 
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keep 'em rollin'
RICKG MC 51986 DOD 01-52, '50 CJ3a |
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STXM38A1
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Joined: Jul 25, 2009
Posts: 139
Location: Fair Oaks Ranch, Texas
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RICKG
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Joined: Aug 31, 2010
Posts: 1741
Location: SO IDAHO
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| Posted: Wed May 23, 2012 2:28 pm Post subject: |
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The guy that designed it has a demo unit to take to
shows and swaps. It was on the cj2a page..
see the link m-38olddog posted in the
3rd post down..
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keep 'em rollin'
RICKG MC 51986 DOD 01-52, '50 CJ3a |
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jimm
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Joined: Nov 01, 2011
Posts: 199
Location: Escondido, CA
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| Posted: Wed May 23, 2012 6:47 pm Post subject: |
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/semantical nitpicking on 
The pitman arm shaft and sector shaft are the same thing; the pitman arm itself attaches to the shaft.
The "worm" in a Ross box is technically a helical cam, and the pins on the sector shaft are cam followers (as opposed to a true worm that mates with a worm gear). Some vehicle steering gears use true worms.
/semantical nitpicking off
Whether the Tightsteer device causes extra wear due to the tighter engagement, and how much, is a good question. It depends on the force created by the spring as compared to the force being transmitted from the cam to the pin to turn the vehicle. If the former is very low relative to the latter, one could argue that the addition wear could be insignificant.
The purpose of the higher drag in the straight-ahead position is to add steering stability for driving straight down the road. I don't know if the reason for reducing the drag in off-center positions is to make it easier to turn for the driver or to reduce wear on the steering gear.
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Jim McKim
1952 M38 son-father project
Slowly turning rusty parts into OD parts |
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artificer
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Joined: Feb 16, 2007
Posts: 206
Location: Gold Coast Australia
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| Posted: Sun May 27, 2012 10:52 am Post subject: |
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A properly setup steering box will give you exactly the same results.
If the box is worn or been run without lubricant there are no magic bullets like this unecessary addition.
When your "steering system" has too much slack the only way to fix it is to eliminate "all" contributors to the free movement.
I will not list the usual culprits again as they have all been mentioned more than once earlier in this thread.
_________________
John GIBBINS
ASE Master Medium/Heavy Truck & Auto Technician 2002 USA
Licensed Motor Mechanic NSW # MVIC 49593 Current
YOU CAN'T TROUBLESHOOT WHAT YOU DON'T UNDERSTAND |
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