Thanks! Been waiting for confirmation before placing order. HK should clarify that these are a weight match for us quadcopter folks! Hope they work well on my Quad. I live at 5500ft, the 10x45's weren't giving me enough lift at this altitude. hope this does it!
Yes. These props come with a set of little adapter rings to fit a range of sizes. DT750 shaft size is 4mm and these props have a 4mm adapter ring in the package. I use these on DT750 on the X666 quad on 3S, works really well.
Ok, Thanks. It all seems correct. When i input left stick i get both right motors going faster* input right both left go faster. Push forward both rear go faster. pull back and front go faster.I'll look at the sites you suggested. I am just sitting here looking at props. I still have to balance them first. If the prop has an R on the leading edge (11x4.7R)am I right assuming it rotates clockwise?
That setup guide I'm thinking of covers checking prop rotation, testing and reversing channels, and gyros if need be.
'R' props go clockwise, make sure the '11x4.7R' text is on the top side. As for balancing the props, I'll tell you a little secret. "DOn't waste your time, yet." You will probably bust some of the first set figuring out what you are doing", lol. :)
Do it while you're waiting for your batteries to charge the second or third time.
I have been playing around with exactly the same settings and suddenly the red light came on and the gyros are working!!
If I dip it the motors fasten up, if i move the stick the right motors fasten.
Thank you for your help QuadSB
Just before you get all giddy and run outside with it, check the gyros don't need reversing! If they do, it'll do the opposite of what it needs to remain level. (ie, it'll start to take off, flip over quicker than you can even think about, cartwheel across your loungeroom, and smash a prop on your curtains...)
Search RCEXPLORERdotSE, somewhere in the EDUCTAIONAL section is is a great guide to all this. Now that I think about it, you could have done with it before now. Sorry about that!
Hope this helps.
Thanks for your patience!
It went through the normal start up noises and LED flashes
I did exactly as the video shows but i do not get the red LED lighting up when the stick was pushed left.
I also tried right just to see but no LED.
That's OK mate! We're getting somewhere now!
What I reckon you should do is, #1, If you are certain the right channels from the Rx are at the right inputs of the KK board, then add some down and left trim, to go below the normal endpoints for the stick and try to arm. #2, If that doesn't work, try to arm using other combos of both sticks.
So if you find its UP LEFT of the throttle, then the throttle is reversed, if it is down left of the other stick, etc then your wiring is skew-wiff.
Hope this helps!
My Controller board is v2.1 (Atmega 168Pa) chip and flashed with "x copter 4.7v ultimate KK". I have reflashed the chip to make sure it is correct. Copy of the flash report I have loaded into files under FLASH-Colin.
After re-flashing motors spin up in right directions but gyros do not seems to do anything if the quad is dipped in any direction.Wiring has been double checked. I have also tried reversing elevator ,aileron,rudder on the transmitter but that does not work either. From your comments I am assuming the device is armed because I can run the motors. Is this correct? Or Have i got that wrong. Its very frustrating!
Thanks for your input. I have mastered that aspect. My problem now is that i have flashed the controller, I can operate all motors using the transmitter( in the correct direction)but for some reason i am unable to make motors respond to movements of the quad.In theory the motors should fasten up at the back if the back of the quad is dipped down. The other aspects is that i have read 4 different accounts of how to arm. I am confused. I wonder if you have or anyone else has some advice?
regards Colin Syd Australia
What board are you using? If you have managed to arm it, then the motors can spin up, so if you dip the frame the motors will respond. (They may respond in the wrong direction, which is fixed by reversing the gyros)
BUT IF THE BOARD IS NOT ARMED, HOW DO THE MOTORS SPINUP???
When I set up my multirotor board, I had to add a couple of clicks of trim to get it armed, by moving the throttle down and to the right.
If you have the channels all mixed up, then the throttle 'down to the right' will not arm it.
Hope this helps.
Sounds about right, BUT, do you have the right channels going to the right inputs on the KK board???
Also have you checked REDMACHINE's suggestion on the discussion for the controller, RE the YAW POT, and it maybe being in pass thru mode???
I have purchased
hexTronik DT750 Brushless Outrunner 750kv motors for the quad.
The shaft is thread, if i did not use the small insert (supplied with each motor)the prop would be like a "frog in a sox". I think i will use a nut under the prop and a nut and nylock on top locked with locite( after they are balanced). I am going to glue in the inserts to the prop with fast acting glue.
I haven't used threaded shaft motors before, so I'm not too sure what they come with, but I imagine that between the spacers that come with the props, and the inserts that comes with the motor you probably have what you need to keep it centred.
I'm not sure it is a good idea to use a nut, a nylock AND loctite on top, the reason is that you are likely to go through a few props, especially if this is you first, and it would make for a major pain to replace a busted prop, or two, or three...
Good luck mate, hope this helps!
I have the DT750 as well, i use this method nut down the end of the shaft, prop insert, prop, nut. This prop (standard rotation) only needs one nut ontop of the prop, as it tightens itself (no need for loctite or nylock nut). The counter rotating props (if your using a quad) the nut on shaft has loctite and i use two nuts on top of the prop. Oh i don't bother glueing in the insert, it stays on the shaft, if the prop snaps i just put on a new prop and reuse the insert. hope this helps.
I have two questions for the discussion group
How much do you need to cut off the shaft of the 4mm motor shafts to safety fit up the props?
I was thinking of using two nuts to lock the prop on or perhaps a nulock nut.What do most folks do?
Four black inserts are supplied with each prop. I obviously will use the 4mm. Do you push the black insert piece down to where the thread stops on the shaft or do you push it down to where the top of the blue aluminum housing starts?
Thanks for looking
You probably don't need to cut anything off the shaft. However, as you haven't said what motors you had in mind, it is a little hard to tell for sure...
Two nuts, or nylock type nuts can work pretty well, assuming your shaft is infact threaded...
I didn't use the inserts, just the prop driver supplied with my motors, (See Product ID L2206A-1650 for image).
I believe prop drivers like that are available separately.
Hope this helps!
I secured mine this way: one nut screwed down to end of the thread, then screwed in the insert (should end up in appropriate hole in bottom of the propeller hub), then washer (nicely fits upper side of propeller hub) and finally another nut, nulock one would be fine here. Let me know, if you would like to see a photo, I can take it for you.
because of flitetest on youtube. they suggested these props and everyone went out to buy them at once. since everyone ordered them and then they went on backorder then when they come into stock they are out again right away because people who have ordered already get them first :) like me!!! just reserved mine a couple days ago :D
A set of these will do for a quadcopter - a model with 4 motors in a sqaure configuration using these kinds of props for the thrust to keep them aloft. They usecontrol assist electronics for stability. Worth trying.
Well if you look at the price of 4 propellers, Cheap right? But the material is pretty good for such cheap propellers. Of course they are not as good as the APC props but they will work pretty good. And mine came pretty good balanced. SO i will strongly recommend them. Hope i helped you *-)