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mQX Blade mQX Quad Helicopters Information and Help |
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09-23-2012, 03:16 AM | #61 (permalink) |
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Join Date: Dec 2011
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Most electronics use common ground.
-> Black and Blue are ground (minus) White/Red are the positive connection The LED should be connected between the third color and black/Blue |
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09-23-2012, 07:01 AM | #62 (permalink) | ||
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Then next question is... if I use two wires for the motor, how do I power the LEDs then? What if I put the two positives together and get power for the LED also from the motor power? Will the LEDs burn or lit? Sorry if these questions are pretty basic...
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Oxy 2 ♦ X-Vert ♦ Warp 360 ♦ Blade 450X ♦ Blade 450X Nightflyer ♦ Goblin 500 ♦ 2 X mCPX v2 ♦ night fly mQX ♦ LadyMQX ♦ nano QX ♦ nano QX FPV ♦ Inductrix ♦ DX8 G1 |
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09-23-2012, 11:33 PM | #63 (permalink) | ||
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Then you power up the 3rd wire (form a circuit between the 3rd wire, the LED and the wire to the motor that is also to the LED) to power the LED. Quote:
To be safe, you may want to add an external resister to the LED circuit in case one does not exist (and if a resister already exists, you will just have a dim LED). As for a value for the resister, a wild guess is that an about 250 ohm resister will limit the current to a safe value of 10mA or less. The other note is that it may be the two positives are to be put together, or it may be that is a common positive with two negatives to put together. As far as I know, the Walkera and Blade boards control the motor on opposite terminals (Blade on the motor's positive terminal, Walkera on the motor's negative terminal is my memory). |
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09-24-2012, 08:21 AM | #64 (permalink) |
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I was able to conduct a non-destructive inspection :
llama, if I understood what you wrote, I think it is like that: - green is motor positive - black is LED positive - red is common negative So... how should I connect to the mQX board which has one positive and one negative? Again, if I understood, I should put a resistor in the "middle" of the black, and connect both black and green to board's positive, and red to board's negative. Correct? Is there a possibility that the LED does not need any resistor? Thanks!
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Oxy 2 ♦ X-Vert ♦ Warp 360 ♦ Blade 450X ♦ Blade 450X Nightflyer ♦ Goblin 500 ♦ 2 X mCPX v2 ♦ night fly mQX ♦ LadyMQX ♦ nano QX ♦ nano QX FPV ♦ Inductrix ♦ DX8 G1 Last edited by Coco66; 09-24-2012 at 12:52 PM.. Reason: Corrected typo |
09-24-2012, 09:20 AM | #65 (permalink) | |
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09-25-2012, 09:58 AM | #66 (permalink) |
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Join Date: Apr 2012
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mQX Mini Pet Hybrid...
In the end, I've done it like said, I connected the black and green together and the red on the other side. Motors spin in the correct direction and LEDs light up.
Unfortunately - I did not see that before - the booms (which are metal) are not compatible, they're bigger, so I had to make a sort of extension with a 3cm piece of "old" boom to connect to the frame. The piece of old boom which goes inside the new boom (for 1 cm) also required a shrink wrap and some CA glue. The total added weight is only around 1g per boom (compared to the original Ladybird booms)... but added length is a lot. In the end, the thing does not fly well at all. Yawing during take off, unstable, super twitchy and... nothing comparable to my sweet Hybrid. One LED died during first battery as expected. I'll get back to previous booms, will just use the yellow/red propellers. Was nice to try. Thanks for helping!
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Oxy 2 ♦ X-Vert ♦ Warp 360 ♦ Blade 450X ♦ Blade 450X Nightflyer ♦ Goblin 500 ♦ 2 X mCPX v2 ♦ night fly mQX ♦ LadyMQX ♦ nano QX ♦ nano QX FPV ♦ Inductrix ♦ DX8 G1 |
09-26-2012, 05:24 PM | #67 (permalink) | ||
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Sorry for not answering sooner. For some reason, I did receive post updates until today.
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That possibility exists (needed resister already in the LED or something similar). |
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09-28-2012, 10:50 AM | #68 (permalink) |
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Join Date: Jan 2010
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Built my little hybrid last week with the Rakon kit. What a fun little quad.
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09-28-2012, 02:00 PM | #69 (permalink) | |
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Join Date: Apr 2012
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Oxy 2 ♦ X-Vert ♦ Warp 360 ♦ Blade 450X ♦ Blade 450X Nightflyer ♦ Goblin 500 ♦ 2 X mCPX v2 ♦ night fly mQX ♦ LadyMQX ♦ nano QX ♦ nano QX FPV ♦ Inductrix ♦ DX8 G1 |
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11-02-2012, 11:10 AM | #70 (permalink) |
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Join Date: May 2012
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Built my rakon hybrid but it dosnt seem to be as maneuverable or have the power as youtube videos of the ladybird ive seen. Not as fast as my mQX...
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mCX2 - mSRX (Asteroid BL kit with HP03S, RKH everything) - mCPX (MH X-Frame / X-Swash / Main Rotor Hub, Asteroid RKH tail adaptor, RKH grips, KBDD V2 skids and blades - mQX - K110 - a bunch of quads. |
11-17-2012, 12:03 PM | #71 (permalink) |
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Join Date: Oct 2012
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i'm thinking of building myself one of these hybrids, would make a nice project. only thing i'm wondering is, would the stock Nano CPx lipos be good enough? i have a bunch of them already for my nano and mcx's so it'd be easier & cheaper to use these than buy more batts and a new charger...
so will they work? diminished flight times? less power? any help is appreciated! |
11-17-2012, 01:33 PM | #72 (permalink) | |
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I think it would fly better if it was several grams lighter but the only way to remove weight would be a lighter battery and I have not yet found a suitable choice. I have not yet tried an nCPX battery.... I would think it is a bit small and unable to deliver the current required at full throttle, but I am about to buy three of the Eflite 25C versions for use in my little Parkzone Sukhoi so I'll give them a shot and let you know. They would definitely take some weight out Paul |
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11-17-2012, 02:21 PM | #73 (permalink) | |
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i still gotta get my better half on board with my "project" but i think that'll be easy |
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11-23-2012, 10:14 PM | #74 (permalink) |
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Join Date: Oct 2012
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just built my hybrid today! even in my small apartment & on low rates on my DX6i, i can feel the power this thing has. i'm gonna have to go to the local park soon and get some real flying in.
i'll see if i can get my very understanding fiancee to help me make a video, but she's more interested in learning to fly it herself surprisingly enough |
11-24-2012, 07:53 AM | #75 (permalink) | |
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I find that if the required throttle position for a hover is more than 50%, the quad becomes unstable in aggressive maneuvers such as a flip recovery because there is insufficient reserve throttle range and one or more motor(s) runs out of throttle headroom. This confuses the gyros and the unit becomes unstable. I just tried one of my Eflite 150mAH 25C cells and found that while it flies, it hovers above 50% throttle, at just about exactly the same throttle setting required to hover it on a 300mAH Nanotech cell. So although the 150mAH cell is lighter and (assumed) draws less hover current, the current required to hover still causes the same voltage droop in the smaller cell and I didn't gain any real power. I have some of the new 300mAH 45C Nanotechs coming from China (regular Nanotechs are 35C)... we'll see if those let me hover at 50% throttle. Paul |
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11-24-2012, 08:22 AM | #76 (permalink) | |
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11-24-2012, 10:46 AM | #77 (permalink) | |
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I'll be curious to see what kind of motor life you get. Have you checked to see how hot they are at the end of an 8 minute flight? Mine are hot with a 300mAH (8 gram) battery but not excessively so. Your throttle curve would seem to retain 50% as the mid point so no matter what the other points are, if you hover at or below 50%, you are doing better than I am. I use a linear throttle curve and mine hovers at just a tad over 50% on a freshly charged 8 month old 35C 300mAH Nanotech. Can't wait to see what it does on brand new 45C Nanotechs. Of course, if Eflite comes to their senses and makes a Spektrum-compatible mini-quad, all this is kinda moot..... Paul |
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11-24-2012, 01:22 PM | #78 (permalink) | |
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