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Re: 4WD Rear Wheel Torque Display
Very nice "disco light" effect there Kev. Well done mate 
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20/Aug/2008, 11:33 pm
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Re: 4WD Rear Wheel Torque Display
I got all the major parts the other day, so as I put it together of the next few weeks, I'll see if I can spot anything.
Could be a earth loop or anything....
Kev: I meant to ask, how come in the video the speedo and tach are not moving around near the end of their scale?? Did you find a way to disable them while shooting video? 
I'm pretty sure I saw the fuel gauge go down a fraction...
Last edited by Eggins, 21/Aug/2008, 9:21 pm
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Shawn and Belinda Eggins
2003 STR, K&N, Strut brace, Ground wires, Dunlop LM702's, Tint, Mud flaps, Tow, Nudge, Spots, Mats, Rear scuff plate
http://eggins.synthasite.com/
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21/Aug/2008, 9:12 pm
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Re: 4WD Rear Wheel Torque Display
Hi Shawn,
Just a few short stabs of the accelerator while in 4WD LOCK mode and the foot firmly on the brake pedal. Remember, while in LOCK mode, you will get full rear wheel torque with only a little acceleration so that is why the tacho did not move much.
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Kev X450(c)
2003 Titanium Ti Luxury Series 1 |
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21/Aug/2008, 9:49 pm
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Re: 4WD Rear Wheel Torque Display
Kev, no mention of your replacing of the 10uF tantalum cap with the 2.2uF LL bi-polar (or did you edit the original parts list earlier in the thread?)
--- Rich. X-013(c)
'04 S2 ST Auto. Nudge_roofracks_tow_tints_Lightforce_GME_BFG_TBS_home-made-bashplate_50mm-spacer-lift
Click here to see >300MB of photos and videos All For His Glory. |
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22/Aug/2008, 9:04 pm
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Re: 4WD Rear Wheel Torque Display
quote:
amacca wrote:
Just a thought....
Very interesting thread and great work guys...was just thinking about a temp sensor for the transmission as well, that might help to determine how this would effect the rear coupling..i.e is the trans temp contributing to the 4wd system cutting out or changing the amount of torque applied?
I would love to find out what exactly triggers the 4wd cutout.....seems a mystery still.
I thought I read (quite some time ago, now) that the 4WD overheating cutout is actually determined by the current drawn by the 4WD electronic clutch - when it starts to draw too much current, it's an indicator that it's overheating. Now if I can only just remember where I read that...
Update on my display - it's finally FINISHED!!! Even in a case! (Ok well it still needs to have the grey around the LED's coloured-in black with an artline to help hide the imperfect hole I butchered in the case for it ). I had planned on installing an RJ45 socket on the back of the display case to plug my sensor cable straight into it (with the RJ45 plug on the end of the sensor cable), however the back of the RJ45 socket wouldn't fit due to the tight space inside the case after the PCB is fitted inside it. I'm about to go and plug it back in for a final test-run, and take a quick video clip of it. It doesn't look as fancy as Kev's, but it does the job, and is easily removable if I ever need to take it out (not that Kev would ever want to remove his!)
And another video clip - the first rev is in AUTO mode, the 2nd is in LOCK mode, the final is in AUTO mode again (stationary, with park brake on).
Kev, there didn't seem to be any warm-up delay problems, however it was warm today and still warm in the garage earlier tonight when I took the photos and video. Remember it was the middle of winter when we were playing with them before...
Last edited by basshead, 22/Sep/2008, 11:59 pm
--- Rich. X-013(c)
'04 S2 ST Auto. Nudge_roofracks_tow_tints_Lightforce_GME_BFG_TBS_home-made-bashplate_50mm-spacer-lift
Click here to see >300MB of photos and videos All For His Glory. |
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22/Sep/2008, 10:40 pm
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Re: 4WD Rear Wheel Torque Display
A little experiment I tried today...
While "coasting" slightly quicker than normal around a right-hand corner, with feet off all pedals, more torque was given to the rear wheels (even though I was basically just rolling). This proves that there are some fancy electronics involved to do with wheel angle and/or g-forces to put more drive to the rear wheels. Of course, if I had lost traction and was accelerating, the extra drive to the rear wheels would be significant enough to maintain grip and prevent a slide.
--- Rich. X-013(c)
'04 S2 ST Auto. Nudge_roofracks_tow_tints_Lightforce_GME_BFG_TBS_home-made-bashplate_50mm-spacer-lift
Click here to see >300MB of photos and videos All For His Glory. |
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4/Oct/2008, 9:39 pm
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