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Home✈️Aircraft🚁Helicoptere-Electric General Discussion › Power panel / Eagle tree loggers
09-21-2009 01:58 AM  11 years ago
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Blackhawk6

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Trenton, Mi

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Power panel / Eagle tree loggers
Being recently new to the big electrics world I have been reading up on these. How many of you out there use these. Wow! Does the panel look awesome on the heli! Does this really display all that info in the flight? That is a pretty sweet gadget.

Just wondering if they are good investment for tracking and logging the flight data? I have only seen a handful of the panels on heli but hear a lot about the loggers.

How do these hook up? I would imagine that it connects between the batt and esc, correct? Does it go from the esc, to the logger, to the panel, back to the logger and out to the batt? Any info would be great cause I would like to get a couple for my 600 and the 700e build for the winter project. Thanks all!

Jason
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09-21-2009 02:27 AM  11 years ago
stanc

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Conroe, TX

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The power panel displays the highest amp draw, watts, motor/head speed and what voltage the packs are when you look at the panel. Of coarse it depends on what all you buy to go with the Data Logger and how you configure what is displayed on the panel. I believe there are four different items per screen and three or four screens.

There are excellent for logging flight data.

The Data Logger connects between the ESC and the Pack(s). You can buy the with a Male and Female Deans or with wire. The power panel connects to the data logger with a Four Pin Female Servo connector. The other connectors on the data logger or for motor rpm, USB cable for configuring and retrieving the data from a flight, GPS and other items. Go to eagletreesystems.com and look at everything they offer for the Data Logger.
Stan
2- Logo 500
Ion X2
eAvro90
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09-21-2009 02:33 AM  11 years ago
Blackhawk6

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Awesome link stanc! I just noticed that it displays the mah draw out of the pack. That is pretty cool! I think I'll be getting a couple of these for sure. Sweet!
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09-21-2009 08:53 AM  11 years ago
CRCR

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If you get the motor speed from the elogger, can anyone tell me the math to work out the headspeed?
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09-21-2009 11:50 AM  11 years ago
stanc

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Conroe, TX

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CRCR
If you get the motor speed from the elogger, can anyone tell me the math to work out the headspeed?
In the setup of the Data Logger, I believe it as for the kV of the motor, the gear ratio and how many poles your motor has. Once you give all the info that is required the Logger does the rest. The HS given is quite accurate.

It is measuring the voltage, so the rest is just a calculation.

(kV x V) / Gear Ratio = HS

Gear Ratio = Main Gear Tooth Count / Pinion Tooth Count
Unless your heli have a two stage gearing setup. Then you fine the ratio of both and multiply them together for the final ratio.
Stan
2- Logo 500
Ion X2
eAvro90
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09-24-2009 12:21 AM  11 years ago
Big Fil

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The PowerPanel is a cool little device if you want to view some max values right at the field without having to lug a laptop around. I only use when i have a new setup or am testing something new out. Most of the time though the logger and power panel don't ride on board. Even nowadays when I use my logger I rarely hook up the PP. Usually you don't need to see the numbers right then and there at the field.

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09-24-2009 12:31 AM  11 years ago
Blackhawk6

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Trenton, Mi

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Yea, it would be pretty handy for set up and trial flights for a new machine. I can understand that you wouldn't really need it on board after that but it would be nice to have for future set ups and changes to a machine. Thanks all!
Jason
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