2000redrocket
Pro
Posts: 1662
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posted November 06, 2010 03:20 PM
a loggable G force sensor?
anyone know if there is a G force unit that outputs to log g forces along with the logged stuff we already look at?
i would love to try one out on the redrocket and the duster.
  
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entropy
Moderator
Posts: 8671
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posted November 06, 2010 09:20 PM
2000RR,
google is yr friend, there are a zillion g force sensors avail.
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This moderator uses moderation in moderation
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2000redrocket
Pro
Posts: 1662
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posted November 06, 2010 09:22 PM
i have been looking. motech seems to be someone to talk to. but there seems to not be a cut and dry for dragracing 0 to 5vdc output one easy to find.
i think it would be great to watch it if it does not cost 400 dollars.
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whitehendrix
Zone Head
fails!
Posts: 757
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posted November 07, 2010 03:33 PM
 Edited By: whitehendrix on 7 Nov 2010 23:34
got an iPhone?
well.. not sure if they log it or not...
____________
Duct tape is the handyman's secret
weapon. The black is for formal
occasions. - ZRXDean
ill never own a busa unless
someone gives me one.... and then
ill sell it -KZScott
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2000redrocket
Pro
Posts: 1662
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posted November 07, 2010 06:35 PM
my friend has a verizon phone with 3 axis force readout. i want one bolted to my bike with a 0 to 5vdc output to bolt to my bike and car damit.
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2000redrocket
Pro
Posts: 1662
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posted November 07, 2010 06:42 PM
http://www.rpmperf.com/index.php?page=shop.product_details&flypage=flypage.tpl&product_id=67&category_id=14&option=com_virtuemart&Itemid=53
i'm on it...
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almost_les
Zone Head
Posts: 590
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posted November 07, 2010 06:58 PM
i hate to be the one to rain on the parade, but on a vehicle with soft suspension (drag bike) when it squats, it rolls back, throwing off the readings. To be accurate the orientation needs to be static. On a stiff track car it works great since there is little body roll to throw it off. Though i got to admit it would be cool. Btw, the dl32 has an internal g force sensor as well as many other channels
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gs11ezrydr
Novice Class
Posts: 34
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posted November 09, 2010 09:32 PM
In the Kat Matrix Box
In the box you get the G-Force meter, manual, AAA batteries to power the device and a mounting bracket for your windshield. Once the batteries are inserted you are almost ready to go. Just a few steps are needed to initially set up the device, although these are optional steps which are not needed for the main function of the device. The device needs to be attached to the windshield of your car in the middle of the car for correct function with a tilt of no more then 30 degrees. Calibration can automatically correct any tilt below the 30 degree cut off.
What the G-Force Meter Does
The Kat Matrix has a 3-axis accelerometer built in which is responsible for measuring the forces on the XYZ axis. When switching the device on you are immediately presented with the G-Force readout. This first readout is what displays the G-Force's being pulled in the car while cornering, accelerating and braking. Pushing the power on button (which doubles up as a Mode button) you are then switched to the 1/4 Mile screen and a second push takes you to the 0-60MPH while a 3rd push takes you back to the beginning G-Force readouts.
G-Force Readings
When the device is in G-Force mode you see 4 zeros (.00 .00) with an arrow facing up or down next to the left digits and an arrow pointing left or right on the right hand digits. When movement happens in a forward, backward, left or right the numbers represent the G-Forces which it is being subject to. The higher the number the higher the G-Forces you are experiencing. The arrows represent the direction the g-force is being applied, ie, left or right, forwards or backwards. The 3rd axis is just used to calibrate on this device and allows for some tilt of the screen when attached to the windscreen.
If you want to use the 1/4 mile or 0 to 60 modes you will need to configure the device with the parameters of your vehicle. You need to enter the weight of the car (including any loads like fuel and the driver/passengers) and also what speed ranges your peak horse power is pushed out. All this information can be found in your handbook. What the information does is allows the device to calculate how quick you get to 60 MPH, or when you have travelled 1/4 of a mile.
The timer on these 2 modes starts automatically when you plant your foot on the accelerator.
Conclusion
As can be seen in the picture above, the device is a very handy size and is completely portable too with it being battery powered. I have been using this meter for a couple of weeks now and the batteries are still going strong. Costing just $59.99 I find it is a VERY good price for what you get, especially if you have good uses for a device like this on track days.
Available at Geeks.com - Kat Matrix Cordless Automotive Performance Meter
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