rec.autos.simulators

loss of throttle range in LWFF

Bruce Mill

loss of throttle range in LWFF

by Bruce Mill » Sat, 22 Jun 2002 21:32:04

My LWFF has lost throttle range and I have not been able to figure how
to recover it.  Here is the problem. After a few hours use the
throttle began to register "full" after depressing the pedal about
80%.  So I lose fine throttle control at the high end of the throttle
range.  Over the rest of the range it works fine.  So...I placed a
small block under the pedal to "remove" the last 20% of pedal travel
and recalibrated.  It worked fine again for a few hours, and then it
lost 20% of the new shortened pedal travel range.  I saw a post from
Jens Schumi discussing a similar problem, and his solution was to
replace the pot.  I can't see how this is a good solution, as I would
be replacing pots every few hours.  Disconnecting power to the unit
does not seem to help either.  Does anyone know how to fix this?  Is
it a problem with the electronics in the LWFF controller or is it a
pot issue?  I was thinking of purchasing either a TSW pedal set or BRD
Speed 7 set to use with the LWFF, but I am afraid to do if this is a
common problem with LWFF electronics.
Dave Henri

loss of throttle range in LWFF

by Dave Henri » Sat, 22 Jun 2002 22:02:09

"Bruce Millar" <
 I saw a post from

      If indeed you have a worn or defective pot, you shouldn't have to
replace a new one every couple of hours.  It should last a long time before
similar symptoms appear.   However, your next idea about buying new pedals
is a good one...they will NOT interact with the LWFF software/electronics so
similar problems shouldn't occur.   The pedals on the LWFF are utter
junk...you will be pleased once you get used to another set of pedals what a
difference they can make.
    Keep in mind that Logitech does not stock spare pots nor do they supply
replacements.  You'll have to come up with that on your own.
    Good luck.
dave henrie

Disconnecting power to the unit

REDLINE42

loss of throttle range in LWFF

by REDLINE42 » Sun, 23 Jun 2002 01:16:58

Bruce, You may want to try the "WingMan Clear Calibration Utility" found
here;
(No WinXP support thou)

http://www.racesimcentral.net/

At the the bottom of page.

From the Utility Readme:

"Occasionally, the calibration information can become corrupted. Normally,
going through the recalibration routine for the *** device corrects and
overwrites the corrupted calibration
information.

However, in rare cases, the corrupted calibration information cannot be
overwritten. The Logitech Clear Calibration Utility should be used in these
situations."

This Utility seemed to clear up a jittery steering wheel on one of my
systems, (WinME with a WingMan GP), which I thought were the pots (little
***'s) going bad. But I had also swapped the pedal pots, (R to L) so who
knows. Try the utility first.

I had also re-installed the WingMan software (4.11).

BTW if you do "swap the pots" clean and lube the pedal pivots while you are
in there, as I developed a "stiction" on the throttle shortly after swapping
the pots and had to take the unit apart a second time. :-(

Good Luck

--
Daytona Beach - Winter Speed Carnival 1903 - 1935

1919 - Ralph DePalma Driving Champion and winner of hundreds of races, sets
new 1 mile record driving 905 cubic inch V-12 Packard on beach at 149.875
mph. DePalma also sets World Records for distances of 2 to 20 miles and
standing mile. His standing mile record of 92.713 mph is unbroken for 36
years.

Nate Jackso

loss of throttle range in LWFF

by Nate Jackso » Sun, 23 Jun 2002 08:17:59

I had the same problem.  The pot came unseated in the pedal casing.  It sort
of shifts. disassemble your pedals and reassemble them, making sure to
properly seat the pot in it's proper spot.  That will take care of it.

Leeds100

loss of throttle range in LWFF

by Leeds100 » Sun, 23 Jun 2002 13:56:58

The latest utility at wingmanteam.com does have XP support

see http://www.racesimcentral.net/


Bruce Mill

loss of throttle range in LWFF

by Bruce Mill » Mon, 24 Jun 2002 20:23:50

The problem was solved by using the calibration remove/reset utility
and reinsalling the wingman software.  Thanks!

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