what do you need measured

[aff-man]

That data stamp is kinda stooooopid. Not a lot of memory limited capabilities bad interface ect ect ect. Just use stuff at tech and use delphi for the program

[Warren]

If you want to overlap info from different laps you really need something like GPS.

[Hoon]

If you want to overlap info from different laps you really need something like GPS.

I looked into GPS as a means to track but it wasn't up to the task. Other than the costs, you need something that can sample 10 times a sec and it also has to be accurate to 10 cms to get any worth while data.

[Quasievil]

Hi this is made by Beltronics, does it help you with any ideas ???

http://www.beltronics.com/fx.html

[Motu]

Here's another one...

http://www.roadtune.co.uk/

[Redstar]

One real simple one, Distance travelled, not the lap length as I guess thats taken as the center line of the lap? but what the bike actually travelled,
that would have to be a measure of the quality of the line chosen? and easy to measure?to the mm

[geoffm]

If you want to overlap info from different laps you really need something like GPS.

no, you have the velocity at various distances. Knowing the
distance around the track, you can zero it. Use the slowest point (hairpin at Puke eg) as the zero, with an offset if you want to set it to the start finishe straight. You can pick up the slow point easily enough on the speed/ distance chart, and then break it into your laps. Good software may even be able to do it automatically.
Another, better way is to use an IR sender as per laptimers, and use this as a trigger on one channel.
Geoff

[aff-man]

yip plan on it will find out tomorrow if my idea has substance from the lecturer

[FzerozeroT]

hey you fief

I've been thinking about this for my third year project as well! I was thinking about gyros on swingarm and tail section then creating a data system to analyse changes in rebound/damping etc. The challenge is on!

[bgd]

How about rider performance as well - heart beat, blood pressure, etc

[aff-man]

got the big OK from lecturer. But he said i would have to simulate bike movement using lab inputs because it would take to long to set up the sensors on a big. Well i will do as he says but i might spend some dosh and design/build/mount sensors on my bike anyway and use the programmed processor. To see if it works practically with no thought of personal gain . hahahahaha so let the planning begin

[Drunken Monkey]

Good luck!

Not trying to be a nay-sayer or doom-sayer, but I find it hard to see how someone will be able to make a low volume of electronic metering equipment at lower cost than any existing production units out there. Granted you'll hopefully save some of the normal development costs as part of your project, but production costs for low volume will probably end up putting your unit at around the $500+ mark anyway...

If you do manage to sort it out for around $200 a unit, then count me in!

[Drunken Monkey]

While on the subject - I also run an Escort accelerometer unit. Measures acceleration, braking, turning force, etc...in realtime. Gives you a 10 run history on 1/4 mile, 1/8 mile, 60ft, 330ft, 660ft, 1000ft, top speed on run. All that can be had for $500 (probably less if you go for a different brand).
Doesn't work too well on the m/bike if you wheelie or stoppie, and the cornering data is naff from the tipping.

[Hitcher]

And, last but not least, a little arrow showing which way is up!

[jrandom]

simulate bike movement using lab inputs

... visions of students running around the room waving accelerometers going "brrrrm! brrrrrrrrm!"