Found some free software to make a DIY dyno, so off course I had to give it a try
thought this was a proper section for it, as it's like building a "buckett" dyno
software is here : http://www.rcgroups.com/forums/showthread.php?t=2017678
had it's first run today :
http://s201.photobucket.com/user/jan...2.mp4.html?o=0
not finished yet. I am using a small electric motor as inertia mass which off course isn't enough , as I do not have the space to store a large dyno
but it's from a forklift and I have the hydraulic pump attached to it (free from work ) . still need to make some oil tubing, fit an adjustable preasure valve into the system and a small oil tank. I'm hoping I can adjust the preasure in the system in such a way, that the resitance/inertia of the motor is so that it takes about 10 seconds to get to max rpm. I don't care about the HP numbers that come out , all I want is something that can pretty accurate give me a power graph, and that I can see if my "tuning" makes it better or not.
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