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DIY dyno
Northy - 15/10/04 at 08:57 PM

http://www.charm.net/~mchaney/homedyno/homedyno.htm

Discuss!


PaulBuz - 16/10/04 at 12:34 PM

Looks very interesting!
I would like to see an independant test to see just how accurate it is.
As a one off power figure it may be ok, but I dont see how u could set up a fuel inj. system with it without monitoring the fuel/air ratio. Surely if you just keep adjusting it to get a faster acc. time u will end up with a melted piston


paulf - 18/10/04 at 08:06 PM

You could always build one of these as well , i have a circuit diagram for a fuel air meter using a standard Lambda sensor and displaying on an led bar graph , im sure it wouldnt be to difficult to add in the results from this as well.
Paul

quote:
Originally posted by PaulBuz
Looks very interesting!
I dont see how u could set up a fuel inj. system with it without monitoring the fuel/air ratio. Surely if you just keep adjusting it to get a faster acc. time u will end up with a melted piston


Northy - 18/10/04 at 08:11 PM

Paul,

Can you post details of the Lamda circuit please?

Cheers


paulf - 18/10/04 at 09:12 PM

Ill have to dig it out , its saved on a backup disk somewhere but will look tommorow night.
Paul.

quote:
Originally posted by Northy
Paul,

Can you post details of the Lamda circuit please?

Cheers


paulf - 20/10/04 at 09:15 PM

Just been searching and found this page
www.drivewerks.com/tech/street_dyno.htm
It has a downloadable version of basic software and details about how to record directly to a laptop.I just need to find an old cheap laptop.
I havent yet found my fuel air meter diagram but did find a couple of others by searching for diy fuel air ratio meter.
Paul


paulf - 20/10/04 at 09:17 PM

Just realised link doesnt work but am sure someone will tell me how to type it in correctly.
Paul.