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- Thread starter FlatheadsForever87
- Start date

I would be interested in seeing pictures of it. I had a small Go Power dyno back in the 70s that spurred my interest enough that I ended up buying a bigger one in the midst 80s. I have software, if you want it, to answer the torque readings and get a HP readout along with a chart. If you have the temperature and barometric pressure it will give you corrected HP readings. Just enter those 2 numbers and the software does the math. You can be assured that the calculations and the chart are as accurate as the data you feed it.

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Go to YouTube and type in the name of the video. Also no print out but it has two gauges. RPM and pounds. Pounds is the foot pounds of tourqe. Its a simple equation from there. # of pounds × RPM ÷ 1000 = HP. Basically the same thing except it will not work for millennials.

Also whats the red line and the blue line. I do like the print out idea for sure

Torque X RPM / 5252.1 = HP. In this equation the torque is measured in foot-pounds. Your equation probably comes from the fact that the torque arm in your dyno is less than 1 foot. My equation uses foot-pounds of torque. The software is very easily calibrated for any length of torque arm. Does your dyno use acquisition software? Does it give you a print out? Do you have any idea of your timeframe till you start producing data?Go to YouTube and type in the name of the video. Also no print out but it has two gauges. RPM and pounds. Pounds is the foot pounds of tourqe. Its a simple equation from there. # of pounds × RPM ÷ 1000 = HP. Basically the same thing except it will not work for millennials.

I'm here to help if you need it.

Go to Wikipedia and look up "horsepower". The term was first coined by James Watt's back in the 1800s as a way of letting farmers know how much work his harvesting machine could do compared to a horse.It's straight analog. Just dial gauges from the stone ages. Check out Go What is a tourqe arm? The equation I was using was the equation stamped on the front of the dyno. Ill get a few more pics from the site and post em for you to see

Torque Arm; I don't know where I get that term, it could just be something I came up with. Essentially it's a 12 inch mechanical arm that is attached to the dyno absorption unit. The other end presses on a gauge of some sort, thus the foot-pounds of torque. The gauge could be hydraulic or electronic (called a Strain Gauge). The arm could be of any length and the gauge could be calibrated for that length. Take pictures of the device on your dyno that feeds the gauges the hydraulic pressure.

The torque arm is less than a foot i had that same dyno at one timeTorque X RPM / 5252.1 = HP. In this equation the torque is measured in foot-pounds. Your equation probably comes from the fact that the torque arm in your dyno is less than 1 foot. My equation uses foot-pounds of torque. The software is very easily calibrated for any length of torque arm. Does your dyno use acquisition software? Does it give you a print out? Do you have any idea of your timeframe till you start producing data?

I'm here to help if you need it.

Is is a DY 70 or a DY 7D

Let me get back to you on that. I will pull it out of the attic and look.Is is a DY 70 or a DY 7D