MicroPower & DataRecorder Sensor RPM

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Certified Buyer Rated

May 07, 2010

Original part for a good price. Thx for this.

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Certified Buyer Rated

Apr 28, 2010

Great if you're going to fly helis, but it is a bit of a gimick on fix wing IMO. I fly FPV and this just provides me with interesting but useless information about prop speed. What you really need is airspeed and amp draw which you can get from the other eagletree expanders.

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Certified Buyer Rated

Feb 28, 2010

The magnets are easy to mount. I use a drill and heat shrink tubing.

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Certified Buyer Rated

Feb 02, 2010

this installed on my HK450 to check the head speed, There is a spot on the main gear for the magnets already. it works great and I am going to buy more because i am leaving it on the heli full time. thanks

HK

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Certified Buyer Rated

Jan 13, 2010

works great on 450 heli's or bigger i drill a small hole on my main gear and glue the magnet to it

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Certified Buyer Rated

Dec 02, 2009

Nice and cheap :) Could wish for high flexibility silicone wires but its not up to HK but Eagletree.

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Certified Buyer Rated

Nov 25, 2009

It needs some good placement and secure fixing, but it will give better reading results than the rpm brushless sensor i had previously.

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Certified Buyer Rated

Oct 17, 2009

Make sure that the gap between the magnet and the sensor doesn't exceed 2mm!

Works perfect with the V3 elogger.

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Customer Rated

Oct 15, 2009

1 point less due to handling:

- Hall probe and magnet have to be within about 2 mm diameter.

- hall probe has to be mounted with the flat side (see picture) directed towards the magnet. That is the shrinking tube of the probe and the cable both have to be near the rotating structure. Especially a bit a problem if the magnets are glued into the corresponding holes of TRex main gears.



Positive: most direct (reliable) measurement of rpm.

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Certified Buyer Rated

Sep 09, 2009

I use this to get rpm info on everything except electric helis. With them, i prefer the brushless motor sensor, which is easier to install on any number of helis.