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Old 06-20-2004 | 09:10 AM
  #19  
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dino.tw
Nitro Tech
 
Joined: Oct 2002
Posts: 1,459
From: I can drive!
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Originally posted by Eric2004
It looks like an inertia dyno. I made one myself in the past three month. But few problems I am having with this type of dyno is

1. How do you determine the state of tune of the engine on the dyno? If the engine is mounted onto the dyno it may not be running at maximum output condition (due to needle setting.)
Do you tune it on your car and then mount the engine to the dyno?

2. How do you control the throttle opening? Most of the time, this is done either through hand or the transmitter? But the speed at which you open the throttle will influence the acceleration?

3. Cooling. Do you need to attach a fan to the dyno?

Hope somebody can help me on this!!
I had a idea long time ago.But just have no time to make it come true....

Use a 16ch high-speed I/O card to control some stepping motors. You can use it to control the throttle opening even use it to adjust the needles. Then one digital Stroboscope to detect the rpm. One digital anemo meter to detect the air flow. One digital temp meter to detect the engine temp. Use PC to control those equipment and collect those information. Then we can have one
electronic throttle and get the pure data ....

Although I can write the software myself but... too lazy....
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