Backmarkers/privateers in the AMA

[cornercamping]

now if I come up with an "affordable" data acquisition system for the privateer, wouldn't that be a seller ;)

You rang?

This will probably be one of the few times I will actually give usefull information on the BBS, so write this down, print it, or take a picture.

Now, based on what you asked for "wheel speed, throttle, RPM, ect." in your above post, I can tell you from experiance you are not asking for much, and cost is NOT even an issue on this.  Why? Because this is what I do for a living.  Advanced Telemetry Systems.  

Now, assuming your using a newer model bike, with fuel injection, the entire system you asked for, can be set up for under $200.00.  Yes, $200.00 and a little bit of work.

So, you need a single board computer, with multiple I/O (input/output) lines, both analog and digital?  How much?  $49.00 from here: http://www.zworld.com/products/bl1800/

Now, you have your main brain.  All you need is an operating system. Once you hand over exactly what type of data you are looking to get, and what type of I/O you are getting the data from (analog, or digital), your all set.  Cost: A case of beer, and give me a week.

Now, suspension travel can be handled different ways, but it's no biggie, and the parts will be under $30.00

Wheel speed is calculated by a male and female magnet, also known as a Magnetic Reed Switch.  Those are $0.55 each, and you need 2 of the male, and 2 female.

Everything else, is a direct data tap from an exsisting circuit, so your just using I/O's and the above $49.00 "brain" I posted has 40 I/O's.  Can you think of 30 more things you want data from?

"throttle position/brake lever position/engine rpm/actual speed/front and rear wheel speed/front and rear suspension travel"

Can you think of anything else to add to that list?

So, a complete telemetry system for less than $200.00.  What else ya need on it?  ;D

Oh yeah, and you'll view all data in an Excel spreadsheet.  I built a custom system for some NASCAR folks, so I'm sure I can handle a privateer racer.


It's not what ya know, it's who ya know. ;)

[cornercamping]

and for the technical folks, here's the break down of the above:

I/O capture of both Digital and Analog I/O, data stored in Flash. Flash data parsed and imported into an Excel spreadsheet.   RS232 to USB interface from Single Board to PC.

I/O sampling rate will be dependant on I/O use.


Now back to our regularly scheduled program..


 ;D

[r6_philly]

yes, but that would not something anyone can use. it would have to be simple enough so everyone can set it up and use it *usefully*.

My strength lines in storage and analizing data, not gathering. call me tomorrow, I will talk to you about this too. I know what I need mostly, except for a few things that needs to be custom made for what I have in mind. I will not be using a simple computer for datastorage, I want to fabricate something that can feed the I/O signals directly into a USB connection. If you think you have some solutions for that, I would like to hear that. Storage and manipulation of data is my specialty, so I will take it from there  ;D

just think, we can actually feed signal back from the computer and make active adjustments to the bike  ;D

I have quite a few ideas...

[SliderPhoto]

"throttle position/brake lever position/engine rpm/actual speed/front and rear wheel speed/front and rear suspension travel"

Can you think of anything else to add to that list?

Brake line pressure is common.

All the hard data would be nice. But then you'll need "experience" to make sense of it all. :)

[Super Dave]

so if you have unlimited budget you wont be able to buy the equipment is what you are saying right?)

No, an unlimited budget won't really help...unless you're buying a magical rider.  But an unlimited budget won't help you or I.

Ability helps a whole lot.  Tires help a whole lot.  Lots of them.  Try setting up your bike on old tires all the time.  What does it prove?  

Someone that can guide you is very important.  Someone with intuition about what one should be doing.  Sometimes you need to be told "no" when you're attacking something the wrong way.  There are a lot of people trying road racing and track days that try going at it in their own "special way"...and they can try those ways all day long and just continue to do it wrong time after time.

Anyway, Robert Jensen had a limited budget, but he has intuition, along with his tire and suspension guys, and he could battle at the front of an AMA National Supersport event...where HP mattered...his reward was that someone from another team tried to swipe his cylinder head.

[Super Dave]

All the hard data would be nice. But then you'll need "experience" to make sense of it all. :)

Bingo, Jack moves to Double Jeopardy....
 8)

[Super Dave]

 What else ya need on it?  ;D

Suspension travel...real time?

Make it work on my Mac?

[cornercamping]

Suspension travel...real time?

Make it work on my Mac?

That's not a problem.  If you want to do "real time" thru a WLAN system at the track, that can be done too.  ;D  Just cost more.  You guys said cheap, not me.  ;D

Your talking to a Mac user.  :D

[cornercamping]

yes, but that would not something anyone can use. it would have to be simple enough so everyone can set it up and use it *usefully*.

My strength lines in storage and analizing data, not gathering. call me tomorrow, I will talk to you about this too. I know what I need mostly, except for a few things that needs to be custom made for what I have in mind. I will not be using a simple computer for datastorage, I want to fabricate something that can feed the I/O signals directly into a USB connection. If you think you have some solutions for that, I would like to hear that. Storage and manipulation of data is my specialty, so I will take it from there Ê;D

just think, we can actually feed signal back from the computer and make active adjustments to the bike Ê;D

I have quite a few ideas...

The $200.00 system would be easy enough for anyone to use.  The main brain would parse the data, and you would then save the file to your desk top, and open it with Excel.  As far as what the data means, I couldn't tell you.  I can get you the data, but you have to understand the values.  For instance, wheel speed is calculated by a formula.  This would tell you the rotation of the wheel, then calculated buy the length of the track, then divided by the size of wheel, or something like that.  I'd had to look at how I did it last time.    Everything else would just be calculated to the value you are looking for.  Temp. would be in deg. F, suspension would be in +/- mm from 0, RPM would show the analog value sent from the ECU to the gauge cluster, which would be calculated into an actual RPM, ect., ect.

It's all just math.  Anything can be accomplished.  Been there done that before.  It's all a bunch of sensors, formulas, and number crunching.  ;D

[Steviebee]

1000%     Agreed

[cornercamping]

1000% Ê Ê Agreed

 ???

[tigerblade]

Skill vs. Data

I have all the information I need to be able to throw down a windmill dunk from the free throw line.  Now actually being able to do it...