KDXRyder200
Member
- Sep 3, 2003
- 36
- 0
Uh, no....Originally posted by KDXRyder200
The 2-stroke gearbox is set up like an automatic cars gearbox
Uhh, me too. ;)Originally posted by KDXRyder200
i was talking about a cars automatic transmission
Originally posted by KDXRyder200
As for the Type-F that is what they use in Hydrostatic transmissions.
What this means for us is that the Type F fluids will allow our clutches to hold tighter with the same clamping pressure then with an ATF or even with a motor oil.
Originally posted by canyncarvr
Mr. fluffy bunny:
I didn't see an update from you on the drn atf thread linked above regarding the $75 papers you were going to procure regarding the use of atf. Did I miss it?
(From: ANSI/AGMA 6010-F97 Standard for Spur, Helical, Herringbone, and Bevel Enclosed Drives
ANSI/AGMA 9005-D94 Industrial Gear Lubrication)
It would be interesting to see how the friction coefficient of normal motor oil or gear oil would compare.Posted by Ando on 10-09-2000 09:22 PM:
I think we're throwing a lot of stuff out there with only a tenuous regard for reality.
First off, ALL transmission fluids have friction modifiers in them. The old Type F fluid uses a modifier that increases the static coefficient of friction to a higher value then the dynamic coefficient of friction. The newer Dexron and Mercon fluids have a static coefficient of friction that is lower then the dynamic coefficient of friction. What this in effect does, is allow the Dexron/Mercon fluid transmissions to slip more and engage more slowly and smoothly, while the Ford transmissions shift quicker with a faster lockup. The old Ford transmissions (C-4, C-6) were designed with a smaller clutch area then their GM Hydramatic counter parts. The newer Ford transmissions changed to the GM smooth slow shift theory with the AOD series and maybe some of the older weird ones (FMX?). What this means for us is that the Type F fluids will allow our clutches to hold tighter with the same clamping pressure then with an ATF or even with a motor oil. B+M has always recommended at least type F fluid for any of their transmissions, for precisely these faster, harder shifting properties and the Trick Shift also uses these friction modifiers.
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